[SOLVED] Quick fix Konica-Minolta C554 list error codes

– Compatible Printer model: Konica-Minolta bizhub C554
– Konica-Minolta bizhub C554 Error Codes with quick guides:

Code: C0002
Description: Paper feed communication error
When the printer control board (PRCB) is receiving data, a communication error is detected.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace PRCB.

Code: C0106
Description: Tray 3/LCT paper feed motor turning at abnormal timing
• The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: When PC-110 or PC-210 is installed: 1 Check the connector between M111-PCCB CN5 for proper connection and correct as necessary. 2 Check the connector of M111 for proper drive coupling and correct as necessary. 3 M111 operation check PCCB CN5-5 (CW/CCW) PC-110/PC-210 4-C. 4 Replace M111. 5 Replace PCCB.
When PC-410 is installed: 1 Check the connector between M131-PCCB CN5 for proper connection and correct as necessary. 2 Check the connector of M131 for proper drive coupling and correct as necessary. 3 M131 operation check PCCB CN5-5 (CW/CCW) PC-410 5-J. 4 Replace M131. 5 Replace PCCB.

Code: C0107
Description: Tray 3/LCT vertical transport motor turning at abnormal timing
• The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: When PC-110 or PC-210 is installed: 1 Check the connector between M112-PCCB CN5 for proper connection and correct as necessary. 2 Check the connector of M112 for proper drive coupling and correct as necessary. 3 M112 operation check PCCB CN5-13 (CW/CCW) PC-110/PC-210 3 to 4-C. 4 Replace M112. 5 Replace PCCB.
When PC-410 is installed: 1 Check the connector between M132-PCCB CN5 for proper connection and correct as necessary. 2 Check the connector of M132 for proper drive coupling and correct as necessary. 3 M132 operation check PCCB CN5-13 (CW/CCW) PC-410 4-J. 4 Replace M132. 5 Replace PCCB.

Code: C0108
Description: Tray 4 paper feed motor turning at abnormal timing
<When PC-210 is installed> • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M121-PCCB CN9 for proper connection and correct as necessary. 2 Check the connector of M121 for proper drive coupling and correct as necessary. 3 M121 operation check PCCB CN9-5 (CW/CCW) PC-210 6-K. 4 Replace M121. 5 Replace PCCB.

Code: C0109
Description: Tray 4 vertical transport motor turning at abnormal timing
<When PC-210 is installed> • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M122-PCCB CN9 for proper connection and correct as necessary. 2 Check the connector of M122 for proper drive coupling and correct as necessary. 3 M122 operation check PCCB CN9-13 (CW/CCW) PC-210 6-K. 4 Replace M122. 5 Replace PCCB.

Code: C0202
Description: Tray 1 feeder up/down abnormality
The tray 1 upper limit sensor (PS22) is not blocked even after the lapse of a given period of time after the lifting motion has been started.
Troubleshooting Guides: 1 Check the connector between M12-PRCB CN25 for proper connection and correct as necessary. 2 Check the connector of M12 for proper drive coupling and correct as necessary. 3 Check the connector between PS25-relay CN30- PRCB CN26 for proper connection and correct as necessary. 4 PS25 I/O check, sensor check PRCB CN26-3 (ON) 7-C. 5 M12 operation check PRCB CN25-5 (REM) 1-C. 6 Replace M12. 7 PRCB ICP5 conduction check. 8 Replace PRCB.

Code: C0204
Description: Tray 2 feeder up/down abnormality
The tray 2 upper limit sensor (PS22) is not blocked even after the lapse of a given period of time after the lifting motion has been started.
Troubleshooting Guides: 1 Check the connector between M13-PRCB CN20 for proper connection and correct as necessary. – – 2 Check the connector of M13 for proper drive coupling and correct as necessary. 3 Check the connector between PS22-relay CN40- PRCB CN19 for proper connection and correct as necessary. 4 PS22 I/O check, sensor check PRCB CN19-9 (ON) 9-C. 5 M13 operation check PRCB CN20-5 (REM) 2-C. 6 Replace M13. 7 PRCB ICP4 conduction check. 8 Replace PRCB.

Code: C0206
Description: Tray 3 lift-up failure
The tray 3 upper limit sensor (PS116) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began.
Troubleshooting Guides: 1 Check the connector between M113-PCCB CN6 for proper connection and correct as necessary. 2 Check the connector of M113 for proper drive coupling and correct as necessary. 3 Check the connector between PS116-relay CN24- PCCB CN4 for proper connection and correct as necessary. 4 PS116 I/O check, sensor check PCCB CN4-3 (ON) PC-110/PC-210 7-C 5 M113 operation check PCCB CN6-8 to 9 PC-110/PC-210 2-C 6 Replace M113. 7 Replace PCCB. 8 Replace MFPB.

Code: C0208
Description: Tray 4 lift-up failure
The tray 4 upper limit sensor (PS126) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began.
Troubleshooting Guides: 1 Check the connector between M123-PCCB CN8 for proper connection and correct as necessary. 2 Check the connector of M123 for proper drive coupling and correct as necessary. 3 Check the connector between PS126-relay CN47- PCCB CN7 for proper connection and correct as necessary. 4 PS126 I/O check, sensor check PCCB CN7-3 (ON) PC-210 8-K. 5 M123 operation check PCCB CN8-8 to 9 PC-210 5-K. 6 Replace M123. 7 Replace PCCB. 8 Replace MFPB.

Code: C0210
Description: LCT lift failure
• The main tray upper limit sensor (PS136) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. • The shifter stop / lower limit position sensor (PS138) is not unblocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. • The main tray upper limit sensor (PS136) is not blocked even after the set period of time has elapsed after the paper lift-up operating. • The main tray upper limit sensor (PS136) is not unblocked even after the set period of time has elapsed after the paper lift-down operation began. • The shifter stop / lower limit position sensor (PS138) is not blocked even after the set period of time has elapsed after the paper lift-down operation began.
Troubleshooting Guides: 1 Check the connector between M134-PCCB CN10 for proper connection and correct as necessary. 2 Check the connector of M134 for proper drive coupling and correct as necessary. 3 Check the connector between PS136-relay CN1- PCCB CN4 for proper connection and correct as necessary. 4 Check the connector between PS138-relay CN16- PCCB CN14 for proper connection and correct as necessary. 5 PS136 I/O check, sensor check PCCB CN4-3 (ON) PC-410 8-J. 6 PS138 I/O check, sensor check PCCB CN14-6 (ON) PC-410 4-J. 7 M134 operation check PCCB CN10-1 to 2 PC-410 6-J. 8 Replace M134. 9 PCCB IC2 conduction check. 10 Replace PCCB.

Code: C0211
Description: Manual feed up/down abnormality
• Paper does not unblock the bypass lift-up position sensor (PS26) even after the paper feed motor (M22) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position. • The bypass lift-up position sensor (PS26) is not blocked even after the paper feed motor (M22) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position.
Troubleshooting Guides: 1 Check the connector between M22-EXCB CN3 for proper connection and correct as necessary. 2 Check the connector of M22 for proper drive coupling and correct as necessary. 3 Check the connector between PS26-relay CN19- PRCB CN27 for proper connection and correct as necessary. 4 Check the connector between SD1-relay CN21-relay CN19-PRCB CN27 for proper connection and correct as necessary. 5 PS26 I/O check, sensor check PRCB CN27-13 (ON) 4-C. 6 SD1 operation check PRCB CN27-10 (ON) 4-C. 7 M22 operation check EXCB CN3-5 to 8 22-P. 8 Replace M22. 9 EXCB IC4 conduction check. 10 Replace EXCB. 11 Replace PRCB.

Code: C0214
Description: LCT shift failure
• The shifter stop / lower limit position sensor (PS138) is not blocked even after the set period of time has elapsed after the shift operation began (shift to the right). • The shifter home sensor (PS139) is not unblocked even after the set period of time has elapsed after the shift operation began (shift to the right). • The shifter stop / lower limit position sensor (PS138) is not unblocked even after the set period of time has elapsed after the return operation began (shift to the left). • The shifter home sensor (PS139) is not blocked even after the set period of time has elapsed after the return operation began (shift to the left).
Troubleshooting Guides: 1 Check the connector between M133-PCCB CN10 for proper connection and correct as necessary. 2 Check the connector of M133 for proper drive coupling and correct as necessary. 3 Check the connector between PS138-relay CN16- PCCB CN14 for proper connection and correct as necessary. 4 Check the connector between PS139-relay CN16- PCCB CN14for proper connection and correct as necessary. 5 PS138 I/O check, sensor check PCCB CN14-6 (ON) PC-410 4-J. 6 PS139 I/O check, sensor check PCCB CN14-3 (ON) PC-410 4-J. 7 M133 operation check PCCB CN10-3 to 4 PC-410 6-J. 8 Replace M133. 9 PCCB IC2 conduction check. 10 Replace PCCB.

Code: C0216
Description: LCT up/down abnormality
The upper limit sensor (PS2) is not blocked even after the set period of time has elapsed after the paper lift-up operation began.
Troubleshooting Guides: When LU-204 is installed: 1 Check the connector between M1-LCDB CN3 for proper connection, and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 Check the connectors between PS2-relay CN406- LCDB CN5 for proper connection, and correct as necessary. 4 PS2 I/O check, sensor check LUDB CN5-3 (ON) LU-204 4-G. 5 M1 operation check LUDB CN3-4 (ON) LU-204 3-G. 6 Replace M1. 7 LUDB ICP2 conduction check. 8 Replace LUDB.
When LU-301 is installed: 1 Check the connector between M1-LCDB CN3 for proper connection, and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 Check the connectors between PS2-relay CN3-LCDB CN5 for proper connection, and correct as necessary. 4 PS2 I/O check, sensor check LUDB CN5-3 (ON) LU-301 4-G. 5 M1 operation check LUDB CN3-4 (ON) LU-301 3-G. 6 Replace M1. 7 LUDB ICP2 conduction check. 8 Replace LUDB.

Code: C1003
Description: PK communication error
<When FS-535+PK-521 is installed> When a communication error is detected between the FS control board (FSCB) and the punch control board (PKCB).
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace PKCB. 4 Replace FSCB.

Code: C1004
Description: FNS communication error
<When FS-533, FS-534 or FS-535 is installed> When the FS control board (FSCB) is receiving data, a communication error is detected.
<When JS-506 is installed> When the JS control board (JSCB) is receiving data, a communication error is detected.d
Troubleshooting Guides: When FS-533, FS-534 or FS-535 is installed: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace FSCB (FS-533/FS-534/FS-535)
When JS-506 is installed: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace JSCB.

Code: C1005
Description: ZU communication error
When the ZU control board (ZUCB) is receiving data, a communication error is detected.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace ZUCB.

Code: C1080
Description: RU communication error
When the RU control board (RUCB) is receiving data, a communication error is detected.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace RUCB.

Code: C1081
Description: SD communication error
<When FS-534+SD-511 or FS-535+SD-512 is installed> When a communication error is detected between the FS control board (FSCB) and the SD control board (SDDB).
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace SDDB (SD-511/SD-512). 4 Replace FSCB (FS-534/FS-535).

Code: C1102
Description: Main tray up/down motor’s drive malfunction
<When FS-533 is installed> • While the exit tray is being lifted, the stapler movement motor (M107) is not unblocked after the set period of time has elapsed after the tray lift up motor (M109) is turned ON. • While the exit tray is being lowered, the stapler movement motor (M107) is not blocked after the set period of time has elapsed after the tray lift up motor (M109) is turned ON.
<When FS-534 is installed> • While the exit tray is being lifted, the main tray upper position sensor (PS26/PS27) is not blocked and the main tray upper position detect switch (SW2) is not turned ON, even after the main tray up/down motor (M11) turns by the set number of times. • While the exit tray is being lowered, the main tray full detection sensor (PS29) is not blocked after the set period of time has elapsed after the main tray up/down motor (M11) is turned ON.
<When FS-535 is installed> • The main tray upper limit sensor (PS44/PS45) is turned ON even after the set period of time has elapsed while the main tray up/down motor (M5) is energized. • The staple paper exit top surface sensor (PS7) is unblocked even after the set period of time has elapsed while the main tray up/down motor (M5) is energized.
Troubleshooting Guides: When FS-533 is installed: 1 Check the connector between M109-FSCB CN108 for proper connection and correct as necessary. 2 Check the connector of M109 for proper drive coupling and correct as necessary. 3 Check the connector between PS107-FSCB CN110 for proper connection and correct as necessary. 4 PS107 I/O check, sensor check FSCB CN110 FS-533 7-D to E. 5 M109 operation check FSCB CN108 FS-533 10-E. 6 Replace M109. 7 FSCB CP109 conduction check. 8 Replace FSCB.
When FS-534 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M11 for proper drive coupling, and correct as necessary. 3 PS26 I/O check, sensor check FSCB J14<A>-5 (ON) FS-534 2-C. 4 PS27 I/O check, sensor check FSCB J14-8 (ON) FS-534 3-C. 5 PS29 I/O check, sensor check FSCB J14<A>-8 (ON) FS-534 4-C. 6 SW2 operation check FSCB J10-1 to 2 FS-534 8-K. 7 M11 operation check FSCB J9<A>-9 to 10 FS-534 10-C to D. 8 Replace M11. 9 Replace FSCB.
When FS-535 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M5 for proper drive coupling, and correct as necessary. 3 PS44 I/O check, sensor check FSCB CN24-2 (ON) FS-535 8-L. 4 PS45 I/O check, sensor check FSCB CN18-1 to 3 FS-535 13-D. 5 PS7 I/O check, sensor check FSCB CN23-15 (ON) FS-535 13-L. 6 M5 operation check FSCB CN22-1 to 11 FS-535 5-L. 7 Replace M5. 8 FSCB ICP1 conduction check. 9 Replace FSCB.

Code: C1103
Description: Alignment plate motor/Fr’s malfunction
<When FS-533 is installed> • The alignment plate home sensor/F (PS108) is not unblocked after the set period of time has elapsed after the plate drive starts from the home position. • The alignment plate home sensor/F (PS108) is not blocked after the set period of time has elapsed after the alignment motor/F (M105) is turned ON to return the plate to the home position.
<When FS-534 is installed> • The alignment plate/F home sensor (PS12) is not unblocked after the set period of time has elapsed after the plate drive starts from the home position. • The alignment plate/F home sensor (PS12) is not blocked after the set period of time has elapsed after the alignment motor/front (M7) is turned ON to return the plate to the home position. • The alignment plate/F does not reach the specified position within the set period of time.
<When FS-535 is installed> The alignment plate motor home sensor/Fr (PS17) is not blocked even after the set period of time has elapsed while the alignment plate motor/Fr (M11) is energized.
Troubleshooting Guides: When FS-533 is installed: 1 Check the connector between M105-FSCB CN102 for proper connection and correct as necessary. 2 Check the connector of M105 for proper drive coupling and correct as necessary. 3 Check the connector between PS108-FSCB CN102 for proper connection and correct as necessary. 4 PS108 I/O check, sensor check FSCB CN102 FS-533 7-J. 5 M105 operation check FSCB CN102 FS-533 7-J. 6 Replace M105. 7 FSCB CP105 conduction check. 8 Replace FSCB.
When FS-534 is installed: 1 Check the connector between M7-FSCB J4 for proper connection and correct as necessary. 2 Check the connector of M7 for proper drive coupling, and correct as necessary. 3 Check the connector between PS12-FSCB J4 for proper connection and correct as necessary. 4 PS12 I/O check, sensor check FSCB J4-4 (ON) FS-534 13-C. 5 M7 operation check FSCB J4<A>-5 to 8 FS-534 11-C to D. 6 Replace M7. 7 Replace FSCB.
When FS-535 is installed: 1 Check the connector between M11-FSCB CN19 for proper connection and correct as necessary. 2 Check the connector of M11 for proper drive coupling, and correct as necessary. Check the connector between PS17-FSCB CN20 for proper connection and correct as necessary. 3 PS17 I/O check, sensor check FSCB CN20-6 (ON) FS-535 12-D. 4 M11 operation check FSCB CN19-1 to 4 FS-535 10-D. 5 Replace M11. 6 FSCB ICP4 conduction check. 7 Replace FSCB.

Code: C1104
Description: Exit roller motor’s malfunction
<When FS-535 is installed> Even after a predetermined period of time has elapsed since the exit roller motor (M4) starts operation, the lock signal is not set to L (turning).
Troubleshooting Guides: 1 Check the connector between M4-FSCB CN18 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 M4 operation check FSCB CN18-4 to 11 FS-535 14-D. 4 Replace M4. 5 FSCB ICP14 conduction check. 6 Replace FSCB.

Code: C1105
Description: Bundle eject motor’s drive malfunction
<When FS-534 is installed> • The gripper home position sensor (PS18) does not block even after the set period of time has elapsed after the gripper position detection sensor (PS19) unblocked. • The gripper position detection sensor (PS19) does not block even after the set period of time has elapsed after it unblock. • The gripper position detection sensor (PS19) does not block even after the set period of time has elapsed after the gripper home position sensor (PS18) unblocked. • The gripper home position sensor (PS18) does not block even after the set period of time has elapsed after the bundle eject motor (M10) unblocked. • The gripper home position sensor (PS18) and the gripper position detection sensor (PS19) are blocked at the same time.
Troubleshooting Guides: When FS-534 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M10 for proper drive coupling, and correct as necessary. 3 PS18 I/O check, sensor check FSCB J13-13 (ON) FS-534 7-C. 4 PS19 I/O check, sensor check FSCB J12-3 (ON) FS-534 7-C. 5 M10 operation check FSCB J13-1 to 2 FS-534 8-C to D. 6 Replace M10. 7 Replace FSCB.

Code: C1105
Description: Paper output roller motor’s drive malfunction
<When FS-535 is installed> The paper output roller home sensor (PS10) is not blocked or unblocked even after the set period of time has elapsed after the paper output roller motor (M6) is turned ON.
Troubleshooting Guides: When FS-535 is installed: 1 Check the connector between M6-FSCB CN60 for proper connection and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS10-relay CN211- FSCB CN21 for proper connection and correct as necessary. 4 PS10 I/O check, sensor check FSCB CN21-3 (ON) FS-535 6-L. 5 M6 operation check FSCB CN60-9 to 12 FS-535 16-D. 6 Replace M6. 7 FSCB ICP19 conduction check. 8 Replace FSCB.

Code: C1106
Description: Stapler movement motor’s malfunction
<When FS-533 is installed> • The stapler home sensor (PS110) is not unblocked after the laps of given time after it started operating from the home position. • The stapler home sensor (PS110) is not unblocked after the laps of give time after the stapler movement motor (M107) turned ON when it returned to the home position.
<When FS-534 is installed> • The stapler home position sensor (Rear) (PS23) is not blocked or unblocked even after the set period of time has elapsed after the side stapler movement motor (M13) turned ON. • The stapler does not reach the specified position within the set period of time.
<When FS-535 is installed> The stapler position sensor/1/2/3/4 (PS50/PS/51/PS52/PS53) is blocked or unblocked even after the set period of time has elapsed after the stapler movement motor (M13) is turned ON.
Troubleshooting Guides: When FS-533 is installed: 1 Check the connector between M107-STREYB CN123 for proper connection, and correct as necessary. 2 Check the connector of M107 for proper drive coupling, and correct as necessary. 3 Check the connector between PS110-FSCB CN110 for proper connection, and correct as necessary. 4 PS110 I/O check, sensor check FSCB CN110 FS-533 8-D to E. 5 M107 operation check STREYB CN123-5 to 8 FS-533 5-L. 6 Replace M107. 7 Replace STREYB. 8 FSCB CP107 conduction check. 9 Replace FSCB.
When FS-534 is installed: 1 Check the connector between M13-relay CN3-FSCB J11 for proper connection, and correct as necessary. 2 Check the connector of M13 for proper drive coupling, and correct as necessary. 3 Check the connector between PS23-relay CN3-FSCB J11 for proper connection, and correct as necessary. 4 PS23 I/O check, sensor check FSCB J11-3 (ON) FS-534 4-C. 5 M13 operation check FSCB J11<A>-1 to 4 FS-534 4-C to D. 6 Replace M13. 7 Replace FSCB.
When FS-535 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M13 for proper drive coupling, and correct as necessary. 3 PS50 I/O check, sensor check FSCB CN23-3 (ON) FS-535 11 to 12-L. 4 PS51 I/O check, sensor check FSCB CN23-6 (ON) FS-535 12-L. 5 PS52 I/O check, sensor check FSCB CN23-9 (ON) FS-535 12-L. 6 PS53 I/O check, sensor check FSCB CN23-12 (ON) FS-535 12-L. 7 M13 operation check FSCB CN15-3 to 8 FS-535 8-D. 8 Replace M13. 9 FSCB ICP18 conduction check. 10 Replace FSCB.

Code: C1109
Description: Stapler motor’s drive malfunction
<When FS-533 is installed> The stapler home sensor (PS110) is not blocked even after the set period of time has elapsed after the stapler motor turned ON.
<When FS-534 is installed> • The stapler home position sensor (Rear) (PS23) is not blocked or unblocked even after the set period of time has elapsed after the stapler motor (M14) turned ON. • The stapler position sensor (Center) (PS24) is blocked, when the stapler motor (M14) is running.
<When FS-535 is installed> The home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) turned ON, and the home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) drives to the reverse direction.o
Troubleshooting Guides: When FS-533 is installed: 1 Check the connector between the stapler unit- STREYB CN122 and CN123 for proper connection and correct as necessary. 2 Check the connector of the stapler unit for proper drive coupling and correct as necessary. 3 Check the connector between PS110-FSCB CN110 for proper connection and correct as necessary. 4 PS110 I/O check, sensor check FSCB CN110 FS-533 8-D to E. 5 Replace the stapler unit. 6 Replace STREYB. 7 Replace FSCB.
When FS-534 is installed: 1 Check the connector between the stapler unit-relay CN4-FSCB J11 for proper connection and correct as necessary. 2 Check the connector of the stapler unit for proper drive coupling, and correct as necessary. 3 Check the connector between PS23-relay CN3-FSCB. J11 for proper connection and correct as necessary. 4 Check the connector between PS24-relay CN3-FSCB J11 for proper connection and correct as necessary. 5 PS23 I/O check, sensor check FSCB J11-3 (ON) FS-534 4-C. 6 PS24 I/O check, sensor check FSCB J11-6 (ON) FS-534 4 to 5-C. 7 Replace the stapler unit. 8 Replace FSCB.
When FS-535 is installed: 1 Check the connector between M14-FSCB CN15 for proper connection and correct as necessary. 2 Check the connector of M14 for proper drive coupling, and correct as necessary. 3 Replace the stapler unit. 4 M14 operation check FSCB CN15-1 to 2 FS-535 8 to 9-D. 5 Replace M14. 6 FSCB ICP10 conduction check. 7 Replace FSCB.

Code: C1112
Description: Stapler motor’s malfunction
<When FS-534+SD-511 or FS-535+SD-512 is installed> • The stapler home sensor is not turned ON even after the set period of time has elapsed while the stapler motor is energized. • The stapler home sensor is not turned OFF even after the set period of time has elapsed after the stapler home sensor is turned ON.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between the staple unit-SDDB J4 for proper connection and correct as necessary. 2 Check the connector of the staple unit for proper drive coupling and correct as necessary. 3 Replace the staple unit. 4 Replace SDDB. 5 Replace FSCB.
When FS-535+SD-512 is installed: 1 Check the connector between the staple unit-SDDB J4 for proper connection and correct as necessary. 2 Check the connector of the staple unit for proper drive coupling and correct as necessary. 3 Replace the stapler unit. 4 Replace SDDB. 5 Replace FSCB.

Code: C1113
Description: Center-staple lead edge stopper motor malfunction
<When FS-534+SD-511 or FS-535+SD-512 is installed> The stopper home sensor (PS6) is not blocked or unblocked even after the set period of time has elapsed after the stopper drive motor (M4) is turned ON.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between M4-SDDB J10 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 Check the connector between PS6-SDDB J10 for proper connection, and correct as necessary. 4 PS6 I/O check, sensor check SDDB J10-5 (ON) SD-511 2-G.. 5 M4 operation check SDDB J10-6 to 9 SD-511 1 to 2-F to G 6 Replace M4. 7 Replace SDDB. 8 Replace FSCB.
When FS-535+SD-512 is installed: 1 Check the connector between M4-SDDB J10 for proper connection, and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 Check the connector between PS6-SDDB J10 for proper connection, and correct as necessary. 4 PS6 I/O check, sensor check SDDB J10-5 (ON) SD-512 1-G. 5 M4 operation check SDDB J10-6 to 9 SD-512 1-F to G. 6 Replace M4. 7 Replace SDDB. 8 Replace FSCB.

Code: C1114
Description: Center-staple front adjust drive motor malfunction
<When FS-534+SD-511 or FS-535+SD-512 is installed> The alignment home sensor (PS4) is not blocked or unblocked even after the set period of time has elapsed after the alignment motor (M3) is turned ON.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between M3-relay CN10-SDDB J7 for proper connection and correct as necessary. 2 Check the connector of M3 for proper drive coupling, and correct as necessary. 3 Check the connector between PS4-relay CN10-SDDB. J7 for proper connection, and correct as necessary. 4 PS4 I/O check, sensor check SDDB J7-6 (ON) SD-511 6-F. 5 M3 operation check SDDB J7 7 to 10 SD-511 5-F to G. 6 Replace M3. 7 Replace SDDB. 8 Replace FSCB.
When FS-535+SD-512 is installed: 1 Check the connector between M3-relay CN10-SDDB J7 for proper connection, and correct as necessary. 2 Check the connector of M3 for proper drive coupling, and correct as necessary. 3 Check the connector between PS4-relay CN10-SDDB. J7 for proper connection, and correct as necessary. 4 PS4 I/O check, sensor check SDDB J7-6 (ON) SD-512 5-G. 5 M3 operation check SDDB J7-7 to 10 SD-512 5-F to G. 6 Replace M3. 7 Replace SDDB. 8 Replace FSCB.

Code: C1115
Description: Center-staple knife drive motor malfunction
<When FS-534+SD-511 is installed> The center fold knife home sensor (PS8) is not blocked or unblocked even after the set period of time has elapsed after the center fold knife motor (M9) is turned ON.
<When FS-535+SD-512 is installed> The center fold home sensor (PS8) is not blocked even after the set period of time has elapsed while the center fold knife motor (M9) is energized.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between M9-SDDB J11 for proper connection and correct as necessary. 2 Check the connector of M9 for proper drive coupling, and correct as necessary. 3 Check the connector between PS8-relay CN10-SDDB. J7 for proper connection, and correct as necessary. 4 PS8 I/O check, sensor check SDDB J7-3 (ON) SD-511 6-G. 5 M9 operation check SDDB J11 11 to 20 SD-511 1 to 2-B. 6 Replace M9. 7 Replace SDDB. 8 Replace FSCB.
When FS-535+SD-512 is installed: 1 Check the connector between M9-SDDB J11 for proper connection, and correct as necessary. 2 Check the connector of M9 for proper drive coupling, and correct as necessary. 3 Check the connector between PS8-relay CN10-SDDB J7 for proper connection, and correct as necessary. 4 PS8 I/O check, sensor check SDDB J7-3 (ON) SD-512 5-G. 5 M9 operation check SDDB CN11-11 to 20 SD-512 1-B. 6 Replace M9. 7 Replace SDDB. 8 Replace FSCB.

Code: C1124
Description: Sheet feeder up/down drive failure (lower)
<When FS-535+PI-505 is installed> The tray upper limit sensor /Lw (PS209) or tray lower limit sensor /Lw (PS210) are not turned ON even after the set period of time has elapsed after the tray lift motor /Lw (M202) is energized.
Troubleshooting Guides: 1 Check the connector between M202-relay CN206- PIDB CN56 for proper connection, and correct as necessary. 2 Check the connector of M202 for proper drive coupling, and correct as necessary. 3 Check the connector between PS209-relay CN237- PIDB CN53<A> for proper connection, and correct as necessary. 4 Check the connector between PS210-relay CN236- PIDB CN53<A> for proper connection, and correct as necessary. 5 PS209 I/O check, sensor check PIDB CN53<A>-8 (ON) PI-505 8-C to D. 6 PS210 I/O check, sensor check PIDB CN53<A>-11 (ON) PI-505 9-C to D. 7 M202 operation check PIDB CN56-5 to 6 PI-505 7-C to D. 8 Replace M202. 9 PIDB ICP2 conduction check. 10 Replace PIDB. 11 Replace FSCB.

Code: C1125
Description: Sheet feeder up/down drive failure (upper)
<When FS-535+PI-505 is installed> The tray lower limit sensor /Up (PS205) or tray upper limit sensor /Up (PS204) are not turned ON even after the set period of time has elapsed after the tray lift motor /Up (M201) is energized.
Troubleshooting Guides: 1 Check the connector between M201-relay CN203- PIDB CN54 for proper connection, and correct as necessary. 2 Check the connector of M201 for proper drive coupling, and correct as necessary. 3 Check the connector between PS204-relay CN235- PIDB CN55 for proper connection, and correct as necessary. 4 Check the connector between PS205-relay CN235- PIDB CN55 for proper connection, and correct as necessary. 5 PS204 I/O check, sensor check PIDB CN55-8 (ON) PI-505 5-C to D. 6 PS205 I/O check, sensor check PIDB CN55-7 (ON) PI-505 6-C to D. 7 M201 operation check PIDB CN54-7 to 8 PI-505 4-C to D. 8 Replace M201. 9 PIDB ICP2 conduction check. 10 Replace PIDB. 11 Replace FSCB.

Code: C1127
Description: Punch oscillating motor’s drive malfunction
<When FS-535+PK-521 is installed> The PK punch home sensor (PS303) is not turned ON even after the set period of time has elapsed while the punch oscillating motor (M302) is energized.
Troubleshooting Guides: 1 Check the connector between M302-relay CN342- relay CN341-PKCB CN37 for proper connection, and correct as necessary. 2 Check the connector of M302 for proper drive coupling, and correct as necessary. 3 Check the connector between PS303-relay CN342- relay CN341-PKCB CN34 for proper connection, and correct as necessary. 4 PS303 I/O check, sensor check PKCB CN37-2 (ON) PK-521 5-C. 5 M302 operation check PKCB CN34-1 to 6 PK-521 5-C. 6 Replace M302. 7 Replace PKCB. 8 Replace FSCB.

Code: C1130
Description: 1st stopper motor’s drive malfunction
<When FS-535+ZU-606 is installed> The 1st folding stopper home sensor (PS603) is not turned ON even after the set period of time has elapsed after the 1st stopper motor (M602) starts searching home position.
Troubleshooting Guides: 1 Check the connector between M602-relay CN30- ZUCB CN15 for proper connection, and correct as necessary. 2 Check the connector of M602 for proper drive coupling, and correct as necessary. 3 Check the connector between PS603-relay CN636- ZUCB CN4 for proper connection, and correct as necessary. 4 PS603 I/O check, sensor check ZUCB CN4-11 (ON) ZU-606 5-C. 5 M602 operation check ZUCB CN15-4 to 6 ZU-606 3-C. 6 Replace M602. 7 ZUCB ICP7 conduction check. 8 Replace ZUCB.

Code: C1131
Description: 2nd stopper motor’s drive malfunction
<When FS-535+ZU-606 is installed> The 2nd stopper home sensor (PS604) is not turned ON even after the set period of time has elapsed after the 2nd stopper motor (M603) starts searching home position.
Troubleshooting Guides: 1 Check the connector between M603-relay CN675- relay CN30-ZUCB CN15 for proper connection, and correct as necessary. 2 Check the connector of M603 for proper drive coupling, and correct as necessary. 3 Check the connectors between PS604-relay CN674- relay CN636-ZUCB CN4 for proper connection, and correct as necessary. 4 PS604 I/O check, sensor check ZUCB CN4-5 (ON) ZU-606 4 to 5-C. 5 M603 operation check ZUCB CN15-7 to 12 ZU-606 4-C. 6 Replace M603. 7 ZUCB ICP6 conduction check. 8 Replace ZUCB.

Code: C1132
Description: Punch drive motor’s malfunction
<When FS-533+PK-519 is installed> • The puncher drive cam sensor (PS203) or puncher home sensor (PS204) is not blocked or unblocked even after the set period of time has elapsed while the punch motor (M201) is energized. • The punch motor sensor (PS202) does not turn ON after the punch motor (M201) stopped.• The holes with other marketing area is set in [Service Mode] – [Finisher] – [Punch Option Setting]
<When FS-534+PK-520 is installed> The punch home sensor (PS1) is not blocked or unblocked even after the set period of time has elapsed while the punch drive motor (M1) is energized.
<When FS-535+PK-521 is installed> The PK punch home sensor/2 (PS301) is not blocked or unblocked even after the set period of time has elapsed while the punch drive motor (M301) is energized.
Troubleshooting Guides: When FS-533+PK-519 is installed: 1 Check the number of the holes in [Service Mode] – [Finisher] – [Punch Option Setting]. 2 Check the connector between M201-PKCB CN203 for proper connection, and correct as necessary. 3 Check the connector of M201 for proper drive coupling, and correct as necessary. 4 Check the connector between PS202-PKCB CN204 for proper connection, and correct as necessary. 5 Check the connector between PS203-PKCB CN204 for proper connection, and correct as necessary. 6 Check the connector between PS204-PKCB CN204 for proper connection, and correct as necessary. 7 PS202 I/O check, sensor check PKCB CN204 FS-533 (PK-519) 5-C. 8 PS203 I/O check, sensor check PKCB CN204 FS-533 (PK-519) 6-C. 9 PS204 I/O check, sensor check PKCB CN204 FS-533 (PK-519) 6-C. 10 M201 operation check PKCB CN203-1 to 2 FS-533 (PK-519) 4-C. 11 Replace M201. 12 PKCB F201 conduction check. 13 Replace PKCB. 14 Replace FSCB.
When FS-534+PK-520 is installed: 1 Check the connector between M1-relay CN351-FSCB J7 for proper connection, and correct as necessary. 2 Check the connector of M1 for proper drive coupling, and correct as necessary. 3 Check the connector between PS1-FSCB J7 for proper connection, and correct as necessary. 4 PS1 I/O check, sensor check FSCB J7-5 (ON) FS-534 (PK-520) 7-K. 5 M1 operation check FSCB J7 7 to 8 FS-534 (PK-520) 7-K. 6 Replace M1. 7 Replace FSCB.
When FS-535+PK-521 is installed: 1 Check the connector between M301-relay CN351- PKCB CN35 for proper connection, and correct as necessary. 2 Check the connector of M301 for proper drive coupling, and correct as necessary. 3 Check the connector between PS301-PKCB CN36 for proper connection, and correct as necessary. 4 PS301 I/O check, sensor check PKCB CN36-5 (ON) PK-521 3-C. 5 M301 operation check PKCB CN35-1 to 3 PK-521 2-C. 6 Replace M301. 7 Replace PKCB. 8 Replace FSCB.

Code: C1133
Description: Punch shift motor’s drive malfunction
<When FS-535+ZU-606 is installed> The punch shift home sensor (PS605) is not turned ON, or is not turned OFF after it is turned ON, even after the set period of time has elapsed after the punch shift motor (M605) starts searching its home position.
Troubleshooting Guides: 1 Check the connector between M605-ZUCB CN5 for proper connection, and correct as necessary. 2 Check the connector of M605 for proper drive coupling, and correct as necessary. 3 Check the connector between PS605-ZUCB CN3 for proper connection, and correct as necessary. 4 PS605 I/O check, sensor check ZUCB CN3-2 (ON) ZU-606 6-C. 5 M605 operation check ZUCB CN5-1 to 6 ZU-606 2-C. 6 Replace M605. 7 ZUCB ICP5 conduction check. 8 Replace ZUCB.

Code: C1134
Description: Main motor cooling fan’s drive malfunction
<When FS-535+ZU-606 is installed> Even after the set period of time has elapsed after the main motor cooling fan (FM601) is turned ON, the FM601 EM signal is faulty and the fan is turned OFF; the signal is faulty after each of the following three trials.
Troubleshooting Guides: 1 Check the connector between FM601-relay CN653- ZUCB CN11 for proper connection, and correct as necessary. 2 Check the connector of FM601 for proper drive coupling, and correct as necessary. 3 FM601 operation check ZUCB CN11-11 (DRV) ZU-606 8 to 9-C. 4 Replace FM601. 5 ZUCB ICP8 conduction check. 6 Replace ZUCB.

Code: C1135
Description: Punch motor’s drive malfunction
<When FS-535+ZU-606 is installed> The punch motor (M604) is not turned OFF even after the set period of time has elapsed after it is turned ON.
Troubleshooting Guides: 1 Check the connector between M604-relay CN644- relay CN638-ZUCB CN11 for proper connection, and correct as necessary. 2 Check the connector of M604 for proper drive coupling, and correct as necessary. 3 M604 operation check ZUCB CN11-2 (DRV) ZU-606 7-C. 4 Replace M604. 5 ZUCB ICP10 conduction check. 6 Replace ZUCB.

Code: C1136
Description: Punch switchover motor’s drive malfunction
<When FS-535+ZU-606 is installed> The punch switchover switch (MS601) is not turned OFF from the ON position, or not turned ON from the OFF position, even after the set period of time has elapsed after the punch switchover motor (M608) is turned ON.
Troubleshooting Guides: 1 Check the connector between M604-relay CN644- relay CN638-ZUCB CN11 for proper connection, and correct as necessary. 2 Check the connector of M608 for proper drive coupling, and correct as necessary. 3 MS601 I/O check, sensor check ZUCB CN11-9 ZU-606 8-C 4 M608 operation check ZUCB CN11-8 (DRV) ZU-606 7 to 8-C 5 Replace M608. 6 ZUCB ICP9 conduction check. 7 Replace ZUCB.

Code: C1140
Description: Alignment plate motor/Rr’s malfunction
<When FS-533 is installed> • The alignment plate home sensor/R (PS109) is not unblocked after the set period of time has elapsed after the plate drive starts from the home position. • The alignment plate home sensor/R (PS109) is not blocked after the set period of time has elapsed when the plate returns to the home position.
<When FS-534 is installed> The alignment plate/R home sensor (PS13) is not blocked or unblocked even after the set period of time has elapsed while the alignment motor/Rr (M8) is energized.
<When FS-535 is installed> The alignment plate motor home sensor/Rr (PS18) is not blocked even after the set period of time has elapsed while the alignment plate motor/Rr (M12) is energized.
Troubleshooting Guides: When FS-533 is installed: 1 Check the connector between M106-FSCB CN102 for proper connection and correct as necessary. 2 Check the connector of M106 for proper drive coupling and correct as necessary. 3 Check the connector between PS109-relay CN106- FSCB CN102 for proper connection and correct as necessary. 4 PS109 I/O check, sensor check FSCB CN102 FS-533 7-J. 5 M106 operation check FSCB CN102 FS-533 8-J. 6 Replace M106. 7 FSCB CP105 conduction check. 8 Replace FSCB.
When FS-534 is installed: 1 Check the connector between M8-FSCB J12 for proper connection, and correct as necessary. 2 Check the connector of M8 for proper drive coupling, and correct as necessary. 3 Check the connector between PS13-FSCB J9 for proper connection, and correct as necessary. 4 PS13 I/O check, sensor check FSCB J9-9 (ON) FS-534 9-C. 5 M8 operation check FSCB J12-13 to 16 FS-534 5 to 6-C to D. 6 Replace M8. 7 Replace FSCB.
When FS-535 is installed: 1 Check the connector between M12-FSCB CN2 for proper connection, and correct as necessary. 2 Check the connector of M12 for proper drive coupling, and correct as necessary. 3 Check the connector between PS18-FSCB CN19 for proper connection, and correct as necessary. 4 PS18 I/O check, sensor check FSCB CN20-3 (ON) FS-535 11-D. 5 M12 operation check FSCB CN19-5 to 8 FS-535 10-D. 6 Replace M12. 7 Replace FSCB.

Code: C1141
Description: Paddle motor’s drive malfunction
<When FS-534 is installed> The upper paddle homeposition detection sensor (PS14) is not blocked or unblocked even after the set period of time has elapsed while the FNS paddle motor (M5) is turning.
<When FS-535 is installed> Even after a predetermined period of time has elapsed since the paddle motor (M16) starts operation, the lock signal is not set to L (turning).
Troubleshooting Guides: When FS-534 is installed: 1 Check the connector between M5-FSCB J4 for proper connection, and correct as necessary. 2 Check the connector of M5 for proper drive coupling, and correct as necessary. 3 Check the connector between PS14-FSCB J4 for proper connection, and correct as necessary. 4 PS14 I/O check, sensor check FSCB J4-7 (ON) FS-534 13-C. 5 M5 operation check FSCB J4<A>-5 to 8 FS-534 12-C to D. 6 Replace M5. 7 Replace FSCB.
When FS-535 is installed: 1 Check the connector between M16-relay CN211-FSCB CN21 for proper connection, and correct as necessary. 2 Check the connector of M16 for proper drive coupling, and correct as necessary. 3 M16 operation check FSCB CN21-7 to 14 FS-535 7-L. 4 Replace M16. 5 FSCB ICP13 conduction check. 6 Replace FSCB.

Code: C1142
Description: Trailing paddle up/down motor’s malfunction
<When FS-535 is installed> The trail edge paddle home sensor (PS20) is not blocked or unblocked even after the set period of time has elapsed after the trail edge paddle up/down motor (M15) is turned ON.
Troubleshooting Guides: 1 Check the connector between M15-relay CN122-FSCB CN12 for proper connection, and correct as necessary. 2 Check the connector of M15 for proper drive coupling, and correct as necessary. 3 Check the connector between PS20-FSCB CN50 for proper connection, and correct as necessary. 4 PS20 I/O check, sensor check FSCB CN50-6 (ON) FS-535 17-D. 5 M15 operation check FSCB CN12-5 to 8 FS-535 5-D. 6 Replace M15. 7 Replace FSCB.

Quick fix Konica-Minolta C554 list error codes

Solve Konica-Minolta bizhub C554 Error codes

Code: C1143
Description: Leading edge paddle up/down motor’s malfunction
<When FS-535 is installed> The leading edge paddle home sensor (PS16) is not blocked or unblocked even after the set period of time has elapsed after the leading edge paddle up/down motor (M18) is turned ON.
Troubleshooting Guides: 1 Check the connector between M18-relay CN243-FSCB CN24 for proper connection, and correct as necessary. 2 Check the connector of M18 for proper drive coupling, and correct as necessary. 3 Check the connector between PS16-relay CN243- FSCB CN24 for proper connection, and correct as necessary. 4 PS16 I/O check, sensor check FSCB CN24-16 (ON) FS-535 9-L. 5 M8 operation check FSCB CN24-17 to 20 FS-535 9-L. 6 Replace M18. 7 Replace FSCB.

Code: C1144
Description: Pre-eject drive motor’s malfunction
<When FS-534 is installed> • The pre-eject home sensor (PS21) is not blocked or unblocked even after the set period of time has elapsed after the pre-eject drive motor (M9) is turned ON. • The pre-eject away sensor (PS22) is not blocked or unblocked even after the set period of time has elapsed after the pre-eject drive motor (M9) is turned ON.
Troubleshooting Guides: When FS-534 is installed: 1 Check the connector between M9-relay CN7<A>- FSCB J13 for proper connection, and correct as necessary. 2 Check the connector of M9 for proper drive coupling, and correct as necessary. 3 Check the connector between PS21-relay CN8-relay CN7-FSCB J12 for proper connection, and correct as necessary. 4 Check the connector between PS22-relay CN8-relay CN7-FSCB J12 for proper connection, and correct as necessary. 5 PS21 I/O check, sensor check FSCB J12-6 (ON) FS-534 6-C. 6 PS22 I/O check, sensor check FSCB J12-9 (ON) FS-534 6-C. 7 M9 operation check FSCB J13-3 to 4 FS-534 8-C to D. 8 Replace M9. 9 Replace FSCB.

Code: C1144
Description: Stacker plate drive motor’s malfunction
<When FS-535 is installed> The stacker plate home sensor (PS11) is not blocked or unblocked even after the set period of time has elapsed while the stacker plate drive motor (M17) is energized.
Troubleshooting Guides: When FS-535 is installed: 1 Check the connector between M17-relay CN233-FSCB CN23 for proper connection, and correct as necessary. 2 Check the connector of M17 for proper drive coupling, and correct as necessary. 3 Check the connector between PS11-FSCB CN20 for proper connection, and correct as necessary. 4 PS11 I/O check, sensor check FSCB CN20-12 (ON) FS-535 12-D. 5 M17 operation check FSCB CN23-19 to 20 FS-535 13-L. 6 Replace M17. 7 FSCB ICP9 conduction check. 8 Replace FSCB.

Code: C1145
Description: Trailing edge stopper motor’s malfunction
<When FS-534 is installed> The trailing edge stopper home position detection sensor (PS20) is not blocked or unblocked even after the set period of time has elapsed after the trailing edge stopper motor (M6) is turned ON.
<When FS-535 is installed> • The trailing edge stopper home sensor (PS22) is not blocked or unblocked even after the set period of time has elapsed after the trailing edge stopper motor (M19) is turned ON. • The trailing edge stopper standby sensor/1 (PS23) is not blocked or unblocked even after the set period of time has elapsed after trailing edge stopper motor (M19) is turned ON. • The trailing edge stopper standby sensor/2 (PS42) is not blocked or unblocked even after the set period of time has elapsed after the trailing edge stopper motor (M19) is turned ON.
Troubleshooting Guides: When FS-534 is installed: 1 Check the connector between M6-FSCB J5 for proper connection, and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS20-relay CN22-FSCB J5 for proper connection, and correct as necessary. 4 PS20 I/O check, sensor check FSCB J5-9 (ON) FS-534 9-K. 5 M6 operation check FSCB J5-13 to 16 FS-534 9-K. 6 Replace M6. 7 Replace FSCB.
When FS-535 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M19 for proper drive coupling, and correct as necessary. 3 PS22 I/O check, sensor check FSCB CN20-15 (ON) FS-535 13-D. 4 PS23 I/O check, sensor check FSCB CN20-18 (ON) FS-535 13-D. 5 PS42 I/O check FSCB CN20-9 (ON) FS-535 12-D. 6 M19 operation check FSCB CN19-9 to 12 FS-535 11-D. 7 Replace M19. 8 Replace FSCB.

Code: C1152
Description: Paper transport belt motor’s malfunction
<When FS-535+SD-512 is installed> Even after a predetermined period of time has elapsed since the paper transport belt motor (M34) starts operation, the lock signal is not set to L (turning).
Troubleshooting Guides: 1 Check the connectors between M34-relay CN1-FSCB CN42 for proper connection, and correct as necessary. 2 Check the connector of M34 for proper drive coupling, and correct as necessary. 3 M34 operation check SDDB CN1-1 to 11 SD-512 7-D. 4 Replace M34. 5 FSCB ICP12 conduction check. 6 Replace SDDB. 7 Replace FSCB.

Code: C1156
Description: Center-staple paddle roller motor malfunction (trailing edge)
<When FS-534+SD-511 is installed> The paddle home sensor (PS5) is not blocked or unblocked even after the set period of time has elapsed while the SD paddle motor (M7) is energized.
<When FS-535+SD-512 is installed> The paddle home sensor (PS5) is not blocked or unblocked even after the set period of time has elapsed while the SD paddle motor (M7) is energized.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between M7-SDDB J8 for proper connection and correct as necessary. 2 Check the connector of M7 for proper drive coupling, and correct as necessary. 3 Check the connector between PS5-SDDB J8 for proper connection and correct as necessary. 5 PS5 I/O check, sensor check SDDB J8-3 (ON) SD-511 3 to 4-G. 7 M7 operation check SDDB J8 4 to 7 SD-511 3-F to G. 8 Replace M7. 9 Replace SDDB. 10 Replace FSCB.
When FS-535+SD-512 is installed: 1 Check the connector between M7-SDDB J8 for proper connection, and correct as necessary. 2 Check the connector of M7 for proper drive coupling, and correct as necessary. 3 Check the connector between PS5-SDDB J8 for proper connection, and correct as necessary. 4 PS5 I/O check, sensor check SDDB J8-3 (ON) SD-512 3-G. 5 M7 operation check SDDB J8-4 to 7 SD-512 3-F to G. 6 Replace M7. 7 Replace SDDB. 8 Replace FSCB.

Code: C1182
Description: Shift motor drive malfunction
<When JS-506 is installed> • The tray shift home sensor (PS1) is not unblocked after the set period of time has elapsed after the tray shift motor (M1) is turned ON (start of moving to the home position.) • The tray shift home sensor (PS1) is not blocked after the set period of time has elapsed after the tray shift motor (M1) is turned ON (start of moving to the shift position.)
Troubleshooting Guides: 1 Check the connector between M1-JSCB CN208 for proper connection and correct as necessary. 2 Check the connector of M1 for proper drive coupling, and correct as necessary. 3 Check the connector between PS1-JSCB CN208 for proper connection and correct as necessary. 4 PS1 I/O check, sensor check JSCB CN208-5 (ON) JS-506 5-C. 5 M1 operation check JSCB CN208 1 (DRV) JS-506 4 to 5-C. 6 Replace M1. 7 JSCB ICP3 conduction check. 8 Replace JSCB.

Code: C1184
Description: Paper discharge control motor’s malfunction
<When FS-534 is installed> The paper delivery control sensor (PS28) is not blocked or unblocked even after the set period of time has elapsed while the paper receiving control motor (M12) is energized.
Troubleshooting Guides: 1 Check the connector between M12-relay CN1-FRCB J14 for proper connection, and correct as necessary. 2 Check the connector of M12 for proper drive coupling, and correct as necessary. 3 Check the connector between PS28-relay CN1-FRCB J14 for proper connection, and correct as necessary. 4 PS28 I/O check, sensor check FSCB J14-3 (ON) FS-534 2 to 3-C. 5 M12 operation check FSCB J14<A>-9 to 12 FS-534 2-C to D. 6 Replace M12. 7 Replace FSCB.

Code: C1195
Description: Paper discharge control motor’s malfunction
<When FS-534+SD-511 is installed> The curl cover detection sensor (PS2) is not blocked or unblocked even after the set period of time has elapsed after the paper discharge control motor (M2) is turned ON.
Troubleshooting Guides: When FS-534+SD-511 is installed: 1 Check the connector between M2-relay CN3-relay CN2-SDDB J5 for proper connection, and correct as necessary. 2 Check the connector of M2 for proper drive coupling, and correct as necessary. 3 Check the connector between PS2-relay CN3-relay CN2-SDDB J5 for proper connection, and correct as necessary. 4 PS2 I/O check, sensor check SDDB J5 3 (ON) SD-511 3-B. 5 M2 operation check SDDB J5 4 to 7 SD-511 3-B. 6 Replace M2. 7 Replace SDDB. 8 Replace FSCB.

Code: C1195
Description: Paper receiving guide control motor’s malfunction
<When FS-535+SD-512 is installed> The paper receiving guide home sensor (PS2) is not blocked or unblocked even after the set period of time has elapsed after the paper receiving guide control motor (M2) is turned ON.
Troubleshooting Guides: When FS-535+SD-512 is installed: 1 Check the connector between M2-relay CN3-relay CN2-SDDB J5 for proper connection, and correct as necessary. 2 Check the connector of M2 for proper drive coupling, and correct as necessary. 3 Check the connector between PS2-relay CN3-relay CN2-SDDB J5 for proper connection, and correct as necessary. 4 PS2 I/O check, sensor check SDDB J5-3 (ON) SD-512 3-B. 5 M2 operation check SDDB J5-4 to 7 SD-512 2-B. 6 Replace M2. 7 Replace SDDB. 8 Replace FSCB.

Code: C1196
Description: Center fold roller motor’s malfunction
<When FS-534+SD-511 is installed> The guide home sensor (PS7) is not blocked or unblocked even after the set period of time has elapsed after the center fold roller motor (M6) is turned ON.
Troubleshooting Guides: 1 Check the connector between M8-SDDB J8 for proper connection, and correct as necessary. 2 Check the connector of M8 for proper drive coupling, and correct as necessary. 3 Check the connector between PS7-SDDB J9 for proper connection, and correct as necessary. 4 PS7 I/O check, sensor check SDDB J9-6 (ON) SD-511 4-G. 5 M8 operation check SDDB J10 6 to 9 SD-511 1 to 2-F to G. 6 Replace M8. 7 Replace SDDB. 8 Replace FSCB.

Code: C1196
Description: Tri-fold guide motor’s malfunction
<When FS-535+SD-512 is installed> The tri-fold guide home sensor (PS7) is not not blocked or unblocked even after the set period of time has elapsed after the tri-fold guide motor (M6) is turned ON.
Troubleshooting Guides: 1 Check the connector between M6-SDDB J9 for proper connection, and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS7-SDDB J9 for proper connection, and correct as necessary. 4 PS7 I/O check, sensor check SDDB J9-6 (ON) SD-512 4-G. 5 M6 operation check SDDB J9-7 to 10 SD-512 3-F to G. 6 Replace M6. 7 Replace SDDB. 8 Replace FSCB.

Code: C1197
Description: Tri-folding guide motor’s malfunction
<When FS-534+SD-511 is installed> The tri-folding gate home sensor (PS11) is not blocked or unblocked even after the set period of time has elapsed while the tri-folding guide motor (M6) is energized.
Troubleshooting Guides: 1 Check the connector between M6-SDDB J9 for proper connection, and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS11-SDDB J8 for proper connection, and correct as necessary. 4 PS11 I/O check, sensor check SDDB J8-10 (ON) SD-511 3-G. 5 M6 operation check SDDB J9 7 to 10 SD-511 4-F to G. 6 Replace M6. 7 Replace SDDB. 8 Replace FSCB.

Code: C1197
Description: Center fold change motor’s malfunction
<When FS-535+SD-512 is installed> The center fold change gate home sensor (PS11) is not blocked or unblocked even after the set period of time has elapsed while the center fold change motor (M8) is energized.
Troubleshooting Guides: 1 Check the connector between M8-SDDB J8 for proper connection, and correct as necessary. 2 Check the connector of M8 for proper drive coupling, and correct as necessary. 3 Check the connector between PS11-SDDB J8 for proper connection, and correct as necessary. 4 PS11 I/O check, sensor check SDDB J8-10 (ON) SD-512 2-G. 5 M8 operation check SDDB J8-11 to 14 SD-512 2-F to G. 6 Replace M8. 7 Replace SDDB. 8 Replace FSCB.

Code: C11A1
Description: Exit roller pressure/ retraction malfunction
<When FS-533 is installed> The pick up roller position sensor (PS105) is turned neither ON nor OFF even after the set period of time has elapsed after the exit roller lift up motor (M104) is turned ON.
Troubleshooting Guides: 1 Check the connector between M104-FSCB CN109 for proper connection and correct as necessary. 2 Check the connector of M104 for proper drive coupling, and correct as necessary. 3 Check the connector between PS105-FSCB CN110 for proper connection and correct as necessary. 4 PS105 I/O check, sensor check FSCB CN110 FS-533 7-D to E. 5 M104 operation check FSCB CN109 FS-533 9-D to E. 6 Replace M104. 7 FSCB CP104 conduction check. 8 Replace FSCB.

Code: C11A2
Description: Accommodation roller pressure/ retraction malfunction
<When FS-534 is installed> The receiving roller retraction sensor (PS11) is not blocked or unblocked even after the set period of time has elapsed after the receiving roller retraction motor (M4) is turned ON.
Troubleshooting Guides: 1 Check the connector between M4-FSCB J4 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 Check the connector between PS11-FSCB J4 for proper connection, and correct as necessary. 4 PS11 I/O check, sensor check FSCB J4-16 (ON) FS-534 13-C. 5 M4 operation check FSCB J4<A>-1 to 4 FS-534 11-C to D. 6 Replace M4. 7 Replace FSCB.

Code: C11E1
Description: Paper exit switching drive malfunction
<When FS-534 is installed> The exchange folded knife home position sensor (PS30) is not blocked or unblocked even after the set period of time has elapsed after the FNS entry transport motor (M2) is turned ON.
Troubleshooting Guides: 1 Check the connector between M2-FSCB J9 for proper connection and correct as necessary. 2 Check the connector of M2 for proper drive coupling, and correct as necessary. 3 Check the connector between PS30-FSCB J4 for proper connection, and correct as necessary. 4 PS30 I/O check, sensor check FSCB J4<A>-15 (ON) FS-534 12-C. 5 M2 operation check FSCB J9<A>-1 to 4 FS-534 10 to 11-B to C. 6 Replace M2. 7 Replace FSCB.

Code: C1402
Description: FS nonvolatile memory error
<When FS-533 is installed> When the main power switch is turned ON, malfunctioning of the nonvolatile memory on the FS control board (FSCB) is detected.
Troubleshooting Guides: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace FSCB.

Code: C2152
Description: Transfer belt pressure welding alienation
• The 1st transfer pressure sensor (PS39) does not detect “switch from retraction to pressure” within a given period time after 1st transfer pressure clutch (CL5) has stared engagement. • The 1st transfer pressure sensor (PS39) is unblocked after the laps of given time after the 1st transfer pressure clutch (CL5) turned OFF when the pressing operation is finished. • The 1st transfer pressure sensor (PS39) does not detect “switch from pressure to retraction” within a given period time after 1st transfer pressure clutch (CL5) has stared engagement. • The 1st transfer pressure sensor (PS39) is blocked after the lamps of given time after the 1st transfer pressure clutch (CL5) turned OFF when the release operation is finished.
Troubleshooting Guides: 1 Check the connector between M3-PRCB CN2 for proper connection and correct as necessary. 2 Check the connector of M3 for proper drive coupling and correct as necessary. 3 Check the connector between PS39-relay CN113- PRCB CN13 for proper connection and correct as necessary. 4 Check the connector between CL5-relay CN118-PRCB CN13 for proper connection and correct as necessary. 5 PS39 I/O check, sensor check PRCB CN13-7 (ON) bizhub C554 25-C bizhub C454 23-C. 6 CL5 operation check PRCB CN13-14 (ON) bizhub C554 25-C bizhub C454 22-C. 7 M3 operation check PRCB CN2-9 (REM) PRCB CN2-12 (LOCK) bizhub C554 22-J bizhub C454 21-J. 8 Replace M3. 9 PRCB ICP3 conduction check. 10 Replace PRCB.

Code: C2253
Description: PC motor’s failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
Troubleshooting Guides: 1 Check the connector between M2-PRCB CN31 for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 M2 operation check PRCB CN31-9 (REM) PRCB CN31-12 (LOCK) bizhub C554 19-J bizhub C454 17-J. 4 Replace M2. 5 Replace PRCB.

Code: C2254
Description: PC motor’s turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M2-PRCB CN31 for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 M2 operation check PRCB CN31-9 (REM) PRCB CN31-12 (LOCK) bizhub C554 19-J bizhub C454 17-J. 4 Replace M2. 5 Replace PRCB.

Code: C2255
Description: Developing motor’s failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
Troubleshooting Guides: 1 Check the connector between M21-PRCB CN32 for proper connection and correct as necessary. 2 Check the M21 connector for proper drive coupling and correct as necessary. 3 M21 operation check PRCB CN32-2 (REM) PRCB CN32-5 (LOCK) bizhub C554 19-J bizhub C454 17-J. 4 Replace M21. 5 Replace PRCB.

Code: C2256
Description: Developing motor’s turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M21-PRCB CN32 for proper connection and correct as necessary. 2 Check the M21 connector for proper drive coupling and correct as necessary. 3 M21 operation check PRCB CN32-2 (REM) PRCB CN32-5 (LOCK) bizhub C554 19-J bizhub C454 17-J. 4 Replace M21. 5 Replace PRCB.

Code: C2350
Description: Toner suction fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Troubleshooting Guides: 1 Check the connectors between FM11-relay CN62- PRCB CN23 for proper connection, and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM11 operation check PRCB CN23-10 (REM) 5-C. 4 Replace FM11. 5 Replace PRCB.

Code: C2355
Description: Transfer belt cleaner cooling fan motor’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Troubleshooting Guides: 1 Check the connector between FM2-relay CN115- PRCB CN13 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM2 operation check PRCB CN13-8 (REM) PRCB CN13-10 (LOCK) bizhub C554 23-C bizhub C454 25-C. 4 Replace FM2. 5 PRCB ICP3 conduction check. 6 Replace PRCB.

Code: C2411
Description: Developing unit/C new article release
The status with the new unit is not cleared after the new developing unit is set.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2412
Description: Developing unit/M new article release
The status with the new unit is not cleared after the new developing unit is set.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2413
Description: Developing unit/Y new article release
The status with the new unit is not cleared after the new developing unit is set.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2414
Description: Developing unit/K new article release
The status with the new unit is not cleared after the new developing unit is set.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2551
Description: Abnormally low toner density detected cyan TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper
Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Reinstall developing unit. 3 Reinstall toner cartridge. 4 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 5 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 6 M10 operation check PRCB CN14-13 to 16 18-C. 7 M6, M7. M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) PRCB CN14-5 to 8 (M8) PRCB CN14-1 to 4 (M9) 17 to 18-C. 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Replace the developing unit. 10 Replace FRB. 11 PRCB ICP21, ICP40, ICP41, ICP44, ICP46 conduction check. 12 Replace PRCB.

Code: C2552
Description: Abnormally high toner density detected cyan TCR sensor
The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the developing unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2553
Description: Abnormally low toner density detected magenta TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper
Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Reinstall developing unit. 3 Reinstall toner cartridge. 4 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 5 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 6 M10 operation check PRCB CN14-13 to 16 18-C. 7 M6, M7. M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) PRCB CN14-5 to 8 (M8) PRCB CN14-1 to 4 (M9) 17 to 18-C. 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Replace the developing unit. 10 Replace FRB. 11 PRCB ICP21, ICP40, ICP41, ICP44, ICP46 conduction check. 12 Replace PRCB.

Code: C2554
Description: Abnormally high toner density detected magenta TCR sensor
The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the developing unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2555
Description: Abnormally low toner density detected yellow TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper
Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Reinstall developing unit. 3 Reinstall toner cartridge. 4 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 5 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 6 M10 operation check PRCB CN14-13 to 16 18-C. 7 M6, M7. M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) PRCB CN14-5 to 8 (M8) PRCB CN14-1 to 4 (M9) 17 to 18-C. 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Replace the developing unit. 10 Replace FRB. 11 PRCB ICP21, ICP40, ICP41, ICP44, ICP46 conduction check. 12 Replace PRCB.

Code: C2556
Description: Abnormally high toner density detected yellow TCR sensor
The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the developing unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2557
Description: Abnormally low toner density detected black TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper
Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Reinstall developing unit. 3 Reinstall toner cartridge. 4 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 5 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 6 M10 operation check PRCB CN14-13 to 16 18-C. 7 M6, M7. M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) PRCB CN14-5 to 8 (M8) PRCB CN14-1 to 4 (M9) 17 to 18-C. 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Replace the developing unit. 10 Replace FRB. 11 PRCB ICP21, ICP40, ICP41, ICP44, ICP46 conduction check. 12 Replace PRCB.

Code: C2558
Description: Abnormally high toner density detected black TCR sensor
The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the developing unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2559
Description: Cyan TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 M10 operation check PRCB CN14-17 to 20 18-C. 5 M6, M7, M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) 17 to 18-C. 6 Replace the developing unit. 7 Replace FRB. 8 PRCB ICP21, ICP40, ICP43, ICP44, ICP46 conduction check. 9 Replace PRCB.

Code: C255A
Description: Magenta TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 M10 operation check PRCB CN14-17 to 20 18-C. 5 M6, M7, M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) 17 to 18-C. 6 Replace the developing unit. 7 Replace FRB. 8 PRCB ICP21, ICP40, ICP43, ICP44, ICP46 conduction check. 9 Replace PRCB.

Code: C255B
Description: Yellow TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 M10 operation check PRCB CN14-17 to 20 18-C. 5 M6, M7, M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) 17 to 18-C. 6 Replace the developing unit. 7 Replace FRB. 8 PRCB ICP21, ICP40, ICP43, ICP44, ICP46 conduction check. 9 Replace PRCB.

Code: C255C
Description: Black TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 M10 operation check PRCB CN14-17 to 20 18-C. 5 M6, M7, M8, M9 operation check PRCB CN14-13 to 16 (M6) PRCB CN14-9 to 12 (M7) 17 to 18-C. 6 Replace the developing unit. 7 Replace FRB. 8 PRCB ICP21, ICP40, ICP43, ICP44, ICP46 conduction check. 9 Replace PRCB.

Code: C2561
Description: Cyan TCR sensor failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2562
Description: Magenta TCR sensor failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2563
Description: Yellow TCR sensor failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2564
Description: Black TCR sensor failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary. 3 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 4 Replace the developing unit. 5 Replace FRB. 6 Replace PRCB.

Code: C2650
Description: Main backup media access error
• The re-written data, which has been read out, checked and founded as error, is read out again and found as error. • The error was found when reading out the counter value. • MFP detects that the SSD board is not mounted.
Troubleshooting Guides: 1 Check the connector from SSDB to MFPB for proper connection and correct as necessary. 2 Check the harness from MFPB to PRCB for proper connection and correct as necessary. 3 Replace MFPB. 4 Replace PRCB. 4.1. Check that the trouble code “C4802” appears and then display service mode. 4.2. Call the Enhanced Security to the screen. 4.3. Touch [Engine Data Backup]. 4.4. Touch [Engine Data Load mode], and press the Start key. 4.5. Select [Yes], and press the Start key again. 4.6. Check that the result “OK” appears. 4.7. Turn OFF the main power switch and turn it ON again more than 10 seconds after. 4.8. Update the PRCB firmware. 4.9. Make the specified readjustments. 5 If the above actions do not solve the problem, contact KMBT.

Code: C2A11
Description: Drum unit/C new release failure
The status with the new unit is not cleared after the new drum unit is set.
Troubleshooting Guides: 1 Clean the connection between the drum unit and the machine if dirty. 2 Reinstall drum unit. 3 Check the connector between drum unit-FRB CN12 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the drum unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2A12
Description: Drum unit/M new release failure
Troubleshooting Guides: 1 Clean the connection between the drum unit and the machine if dirty. 2 Reinstall drum unit. 3 Check the connector between drum unit-FRB CN12 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the drum unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2A13
Description: Drum unit/Y new release failure
Troubleshooting Guides: 1 Clean the connection between the drum unit and the machine if dirty. 2 Reinstall drum unit. 3 Check the connector between drum unit-FRB CN12 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the drum unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2A14
Description: Drum unit/K new release failure
The status with the new unit is not cleared after the new drum unit is set.
Troubleshooting Guides: 1 Clean the connection between the drum unit and the machine if dirty. 2 Reinstall drum unit. 3 Check the connector between drum unit-FRB CN12 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the drum unit. 6 Replace FRB. 7 Replace PRCB.

Code: C2A21
Description: Toner cartridge/C new release failure
The status with the new cartridge is not cleared after the new toner cartridge is set.
Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty. 2 Check the connector between toner cartridge-relay CN79-EXCB CN4 for proper connection and correct as necessary. 3 Reinstall the toner cartridge. 4 Check the harness for proper connection and correct as necessary. 5 Check the connector between EXCB CN2-PRCB CN11 for proper connection and correct as necessary. 6 Replace the toner cartridge. 7 Replace PRCB.

Code: C2A22
Description: Toner cartridge/M new release failure
The status with the new cartridge is not cleared after the new toner cartridge is set.
Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty. 2 Check the connector between toner cartridge-relay CN79-EXCB CN4 for proper connection and correct as necessary. 3 Reinstall the toner cartridge. 4 Check the harness for proper connection and correct as necessary. 5 Check the connector between EXCB CN2-PRCB CN11 for proper connection and correct as necessary. 6 Replace the toner cartridge. 7 Replace PRCB.

Code: C2A23
Description: Toner cartridge/Y new release failure
The status with the new cartridge is not cleared after the new toner cartridge is set.
Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty. 2 Check the connector between toner cartridge-relay CN79-EXCB CN4 for proper connection and correct as necessary. 3 Reinstall the toner cartridge. 4 Check the harness for proper connection and correct as necessary. 5 Check the connector between EXCB CN2-PRCB CN11 for proper connection and correct as necessary. 6 Replace the toner cartridge. 7 Replace PRCB.

Code: C2A24
Description: Toner cartridge/K new release failure
The status with the new cartridge is not cleared after the new toner cartridge is set.
Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty. 2 Check the connector between toner cartridge-relay CN79-EXCB CN4 for proper connection and correct as necessary. 3 Reinstall the toner cartridge. 4 Check the harness for proper connection and correct as necessary. 5 Check the connector between EXCB CN2-PRCB CN11 for proper connection and correct as necessary. 6 Replace the toner cartridge. 7 Replace PRCB.

Code: C3101
Description: Fusing roller separation failure
• With the fusing roller being retracted, the fusing pressure home sensor (PS38) is not unblocked even after the specified period of time has passed after the fusing pressure motor (M11) started rotating. • With the fusing roller being pressed, the fusing pressure home sensor (PS38) is not blocked even after the specified period of time has passed after the fusing pressure motor (M11) started rotating.
Troubleshooting Guides: 1 Check the connector between M11-relay CN112- PRCB CN13 for proper connection and correct as necessary. 2 Check the connector between fusing unit-relay CN95, CN96-PRCB CN4 for proper connection and correct as necessary. (bizhub C554). Check the connector between fusing unit-relay CN98, CN99, CN104-PRCB CN5 for proper connection and correct as necessary. (bizhub C454) 3 PS38 I/O check, sensor check PRCB CN4-9 (ON) (bizhub C554) PRCB CN5-12 (ON) (bizhub C454) – 4 M11 operation check PRCB CN13-1 to 4 bizhub C554 26-C bizhub C454 24-C. 5 Replace M11. 6 Replace the fusing unit (bizhub C554/bizhub C454). 7 PRCB IC26 conduction check. 8 Replace PRCB.

Code: C3102
Description: Heating roller assy failure to turn
The hard latch signal from one or both of the heating roller rotation latch detection 1 and the heating roller rotation latch detection 2 is turned ON.
Troubleshooting Guides: 1 Check the fusing unit for proper installation and correct as necessary. 2 Check the connector between M3-PRCB CN2 for proper connection and correct as necessary. 3 Check the connector of M3 for proper drive coupling and correct as necessary. 4 PS37 I/O check, sensor check. 5 M3 operation check PRCB CN2-9 (REM) PRCB CN2-12 (LOCK) bizhub C554 22-J bizhub C454 21-J. 7 Replace M3. 8 Replace the fusing unit. 9 Replace PRCB.

Code: C3201
Description: Fusing motor failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M3-PRCB CN2 for proper connection and correct as necessary. 2 Check the loading status of the fusing unit drive, and correct the error as necessary. 3 M3 operation check PRCB CN2-9 (REM) PRCB CN2-12 (LOCK) bizhub C554 22-J bizhub C454 21-J. 4 Replace M3. 5 Replace PRCB.

Code: C3202
Description: Fusing motor turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M3-PRCB CN2 for proper connection and correct as necessary. 2 Check the loading status of the fusing unit drive, and correct the error as necessary. 3 M3 operation check PRCB CN2-9 (REM) PRCB CN2-12 (LOCK) bizhub C554 22-J bizhub C454 21-J. 4 Replace M3. 5 Replace PRCB.

Code: C3302
Description: Paper cooling fan failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM8-relay CN106- PRCB CN12 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM8 operation check PRCB CN12-1 (REM) PRCB CN12-3 (LOCK) 28-C. 4 Replace FM8. 5 PRCB ICP3 conduction check. 6 Replace PRCB.

Code: C3425
Description: Fusing warm-up trouble
• Detected temperature of the heating roller temperature sensor (TEMS) does not go up a given range of temperature even after a lapse of given period of time at warm up. • The warm-up is not completed even after the set period of time has elapsed after the warm-up is started. • Less than the predetermined temperature of the heating roller temperature sensor (TEMS), even after a predetermined period of time after warm-up is complete.
Troubleshooting Guides:

Code: C3722
Description: Fusing abnormally high temperature detection (Edge of the heating side)
Detected temperature of the heating roller thermistor/1 (TH1) goes beyond a given temperature for a given period of time consecutively.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, IHPU (bizhub C554 only) and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace IHPU (bizhub C554 only). 6 Replace PRCB.

Code: C3725
Description: Fusing abnormally high temperature detection (Main of the heating side)
• Detected temperature of the heating roller temperature sensor (TEMS) goes beyond a given temperature for a given period of time consecutively. • The hard protector signal error is detected for a given period of time consecutively.d
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, IHPU (bizhub C554 only) and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace IHPU (bizhub C554 only). 6 Replace PRCB.

Code: C3726
Description: Fusing abnormally high temperature detection (Center of the heating side)
Detected temperature of the heating roller thermistor/2 (TH2) goes beyond a given temperature for a given period of time consecutively.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, IHPU (bizhub C554 only) and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace IHPU (bizhub C554 only). 6 Replace PRCB.

Code: C3822
Description: Fusing abnormally low temperature detection (Edge of the heating roller)
The heating roller thermistor/1 continues to detect a temperature lower than a predetermined one for a predetermined period of time.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit. 5 Replace IHPU. 6 Replace PRCB.

Code: C3825
Description: Fusing abnormally low temperature detection (Main of the heating roller)
The heating roller temperature sensor (TEMS) continues to detect a temperature lower than a predetermined one for a predetermined period of time.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU (bizhub C554 only) and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace IHPU (bizhub C554 only). 6 PRCB ICP15 conduction check. 7 Replace PRCB.

Code: C3826
Description: Fusing abnormally low temperature detection (Center of the heating roller)
The heating roller thermistor/2 (TH2) continues to detect a temperature lower than a predetermined one for a predetermined period of time.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU (bizhub C554 only) and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace IHPU (bizhub C554 only). 6 PRCB ICP15 conduction check. 7 Replace PRCB.

Code: C3922
Description: Fusing sensor wire breaks detection (Edge of the heating roller)
After a predetermined period of time after the warm-up stage is started, the heating roller thermistor/1 (TH1) voltage does not decrease by predetermined steps (temperature rise) within a predetermined period of time.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace PRCB.

Code: C3925
Description: Fusing sensor wire breaks detection (Center of the heating roller)
After a predetermined period of time after the warm-up stage is started, the heating roller temperature sensor (TEMS) voltage does not increase by predetermined steps (temperature rise) within a predetermined period of time.utively.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace PRCB.

Code: C3926
Description: Fusing sensor wire breaks detection (Middle of the heating roller)
• After a predetermined period of time after the warm-up stage is started, the heating roller thermistor/2 (TH2) voltage does not decrease by predetermined steps (temperature rise) within a predetermined time. • When a temperature detected by the heating roller thermister/1 (TH1) is compared with the temperature detected by the heating roller thermister/2 (TH2) to find out that the difference exceeded the predetermined temperature.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit (bizhub C554/bizhub C454). 5 Replace PRCB.

Code: C392A
Description: Heating roller temperature sensor contamination (Center of the heating roller)
When the machine is in standby mode after a predetermined period of time after the warm-up stage is started, detected temperature of the heating roller temperature sensor (TEMS) lower than a given temperature for a given period of time consecutively.
Troubleshooting Guides: 1 Wipe the TEMS clean of dirt if any. <Cleaning procedure> • Clear away a dirt or a foreign object on the sensor with a cotton swab. • When a dirt is left even if you cleaned the sensor by above procedure, clear away a dirt or a foreign object on the sensor using a cotton swab dampened with the alcohol. And, wipe off the sensor with a dry cotton swab afterwards. 2 Check the TEMS for installed position and proper connector connection. 3 Check the connection of the fusing unit. 4 Check the fusing unit and PRCB for proper connection and correct or change as necessary. 5 Replace the fusing unit. 6 Replace PRCB.

Code: C3B02
Description: IH malfunction (CPU)
A failure in communication with the fusing CPU continues for a predetermined period of time.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHC, IHPU, IHMEB and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit. 5 Replace IHC. 6 Replace IHPU. 7 Replace IHMEB. 8 Replace PRCB.

Code: C3B03
Description: IH malfunction (monitor)
Though the IH heater is OFF, mechanically, the ON status is detected. (Malfunction of IH heater operation)
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHC, IHPU, IHMEB and PRCB for proper connection and correct or change as necessary. 4 Replace the fusing unit. 5 Replace IHC. 6 Replace IHPU. 7 Replace IHMEB. 8 Replace PRCB.

Code: C3B07
Description: IH input power error
• While the IH heater was ON, input power stayed at the high voltage power detection value or over for more than the predetermined period of time. • While the IH heater was ON, input power was at the low power detection value or under for more than the predetermined period of time. • While the IH heater was ON, input power was at the high voltage detection value or over for more than the predetermined period of time. • While the IH heater was ON, input power was below the low voltage detection value or under for more than the predetermined period of time. • While the IH heater was ON, inverter power stayed at the upper limit value or over for more than the predetermined period of time. • While the IH heater was ON, output voltage halt was detected.
Troubleshooting Guides: 1 Check the connection of the fusing unit. 2 Check the fusing unit, IHC, IHPU and PRCB for proper connection and correct or change as necessary. 3 Replace IHC. 4 Replace IHPU. 5 Replace PRCB.

Code: C3B08
Description: IH input voltage error
• While the IH heater was ON, input power was at the high voltage detection value or over for more than the predetermined period of time. • While the IH heater was ON, input voltage was at the low power detection value or under for more than the predetermined period of time.
Troubleshooting Guides: 1 Check the connection of the fusing unit. 2 Check the fusing unit, IHC, IHPU and PRCB for proper connection and correct or change as necessary. 3 Replace IHC. 4 Replace IHPU. 5 Replace PRCB.

Code: C4101
Description: Polygon motor rotation trouble
• The polygon motor fails to turn stably even after the lapse of a given period of time after activating and changing rotation speed the polygon motor. • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor is rotating.
Troubleshooting Guides: 1 Check the connector between PH unit-FRB CN17 for proper connection and correct as necessary. 2 Replace the PH unit. 3 FRB fuse conduction check. 4 Replace FRB. 5 Replace PRCB.

Code: C4501
Description: Laser malfunction
• SOS signal is not detected even after the lapse of a given period of time after starting the laser output. • SOS signal is not detected for a given period of time during printing or IDC sensor adjustment.
Troubleshooting Guides: 1 Check the connector between PH unit-relay CN64- PRCB CN24 for proper connection and correct as necessary. 2 Replace the PH unit. 3 Replace PRCB.

Code: C4801
Description: Main unit board failure
MFP detects simultaneous replacement of multiple boards.
Troubleshooting Guides: 1 Reinstall the old PRCB. 2 Back up data. 2.1. Call the Service Mode to the screen. 2.2. Call the Enhanced Security to the screen. 2.3. Touch [Engine Data Backup]. 2.4. Touch [Engine Data Save mode], and press the Start key. 2.5. Select [Yes], and press the Start key again. 2.6. Check that the result “OK” appears. 3 Replace PRCB Turn OFF the main power switch and replace the current PRCB with a new one. (When using a PRCB of another machine in service, be sure to use a PRCB installed in the same model.) 4 Restore back up data. 4.1. Turn ON the main power switch. 4.2. Check that the trouble code “C4802” appears and then display service mode. 4.3. Call the Enhanced Security to the screen. 4.4. Touch [Engine Data Backup]. 4.5. Touch [Engine Data Load mode], and press the Start key. 4.6. Select [Yes], and press the Start key again. 4.7. Check that the result “OK” appears. 4.8. Turn OFF the main power switch and turn it ON again more than 10 seconds after. 5 Update the PRCB firmware. 6 If the above actions do not solve the problem, contact KMBT.

Code: C4802
Description: Main unit backup data miscompare
The replacement of the printer control board is detected.
Troubleshooting Guides: 1 1.1. Check that the trouble code “C4802” appears and then display service mode. 1.2. Call the Enhanced Security to the screen. 1.3. Touch [Engine Data Backup]. 1.4. Touch [Engine Data Load mode], and press the Start key. 1.5. Select [Yes], and press the Start key again. 1.6. Check that the result “OK” appears. 1.7. Turn OFF the main power switch and turn it ON again more than 10 seconds after. 2 Update the PRCB firmware. 3 If the above actions do not solve the problem, contact KMBT.

Code: C5102
Description: Transport motor’s failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M1-PRCB CN31 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check PRCB CN31-2 (REM) PRCB CN31-5 (LOCK) bizhub C554 18-J bizhub C454 16-J. 4 Replace M1. 5 Replace PRCB.

Code: C5103
Description: Transport motor’s turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Troubleshooting Guides: 1 Check the connector between M1-PRCB CN31 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check PRCB CN31-2 (REM) PRCB CN31-5 (LOCK) bizhub C554 18-J bizhub C454 16-J. 4 Replace M1. 5 Replace PRCB.

Code: C5304
Description: Fusing power supply cooling fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM12-EXCB CN6 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM12 operation check EXCB CN6-1 (REM) EXCB CN6-3 (LOCK) 23-T 4 Replace FM12. 5 EXCB ICP1 conduction check. 6 Replace EXCB. 7 Replace PRCB.

Code: C5306
Description: IH coil cooling fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FS7-relay CN77-EXCB CN5 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM7 operation check EXCB CN5-1 (REM) EXCB CN5-3 (LOCK) 23-T. 4 Replace FM7. 5 EXCB ICP1 conduction check. 6 Replace EXCB. 7 Replace PRCB.

Code: C5351
Description: Power supply cooling fan motor’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM1-relay CN26-PRCB CN18 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check PRCB CN18-13 (REM) PRCB CN18-15 (LOCK) 7-C. 4 Replace FM1. 5 PRCB ICP2 conduction check. 6 Replace PRCB.

Code: C5354
Description: Ozone fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM13-relay CN165- PRCB CN23 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM13 operation check PRCB CN23-10 (REM) PRCB CN23-12 (LOCK) 5-C. 4 Replace FM13. 5 PRCB ICP19 conduction check. 6 Replace PRCBce PRCB.

Code: C5355
Description: Toner bottle cooling fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM4-relay CN111- PRCB CN36 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM4 operation check PRCB CN36-2 (REM) PRCB CN36-3 (LOCK) 26-C. 4 Replace FM4. 5 PRCB ICP18 conduction check. 6 Replace PRCB.

Code: C5358
Description: Fusing power supply cooling fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM12-EXCB CN6 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM12 operation check EXCB CN6-1 (REM) 23-TM). 4 Replace FM12. 5 EXCB ICP1 conduction check. 6 Replace EXCB. 7 Replace PRCB.

Code: C5370
Description: Rear side cooling fan’s failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.
Troubleshooting Guides: 1 Check the connector between FM3-MFPB PJ26 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM3 operation check MFPB PJ26-3 (LOCK) 7-P. 4 Replace FM3. 5 Replace MFPB.

Code: C5372
Description: MFP control board CPU temperature failure
Temperature failure of CPU on the MFP board was detected.
Troubleshooting Guides: 1 Reboot the machine. 2 Check the fan connector for proper connection and correct as necessary. 3 Check the fan for possible overload and correct as necessary. 4 Fan motor operation check. 5 Replace MFPB.

Code: C5501
Description: AC signal abnormality
The zero cross signal is not input during fusing phase control.
Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU and PRCB for proper connection and correct or change as necessary. 3 Replace fusing unit. 4 Replace PRCB. 5 Replace DCPU.

Code: C5601
Description: Engine control malfunction
Engine control malfunction is detected with port monitor control.
Troubleshooting Guides: 1 Check the connectors on the PRCB for proper connection and correct or change as necessary. 2 Rewrite the firmware. 3 Replace PRCB.

Code: C5603
Description: Expansion control board communication error
Communication error is detected in expansion control board.
Troubleshooting Guides: 1 Reboot the machine. 2 Check the connector between EXCB-PRCB for proper connection and correct as necessary. 3 PRCB ICP12 conduction check. 4 Replace EXCB. 5 Replace PRCB.

Code: C6001
Description: DF related configuration error 1
Inconsistency in the configuration with the installed DF is detected on the main body.
Troubleshooting Guides: 1 Check the type of the installed DF and replace it if it is a wrong one. 2 Check to see if the correct firmware is installed and rewrite with the correct one as necessary. 3 Correct the harness connection between DFCB and DSIPB if faulty. 4 Correct the harness connection between DSIPB and MFPB if faulty. 5 Replace DFCB. 6 Replace DSIPB. 7 Replace MFPB.

Code: C6002
Description: DF related configuration error 2
Inconsistency in the configuration with the installed DF is detected on the DF
Troubleshooting Guides: 1 Check the type of the installed DF and replace it if it is a wrong one. 2 Correct the harness connection between DFCB and DSIPB if faulty. 3 Check the connectors of the dual scan image processing board (DSIPB) for proper connection, and correct as necessary. (Direction of the point of contact and connection state of the flat cable in particular)

Code: C6102
Description: Drive system home sensor malfunction
• The scanner home sensor (PS201) is unable to detect the scanner located at its home position. • The scanner home sensor (PS201) is unable to detect a scanner even when the scanner motor has been driven to move the scanner over the maximum travelling distance. • The scanner home sensor (PS201) detects the scanner when the scanner has moved the maximum travelling distance from the position, at which it blocks the scanner home sensor (PS201).
Troubleshooting Guides: 1 Correct or change the scanner drive (pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. – – 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the connector between M201-SCDB PJ4 for proper connection and correct as necessary. 5 Check the connector between PS201-SCDB PJ6 for proper connection and correct as necessary. 6 Check the connector between SCDB PJ2-PRCB CN43 for proper connection and correct as necessary. 7 PS201 I/O check, sensor check SCDB PJ6-3 (ON) 27-P. 8 M201 operation check SCDB PJ4-1 to 4 27-P. 9 Replace SCDB. 10 Replace PRCB.

Code: C6103
Description: Slider over running
The scanner home sensor (PS201) detects the scanner at its home position during a period of time that begins with the time when a prescan command and a scan preparation command are executed and ends when a home return command is executed.
Troubleshooting Guides: 1 Correct or change the scanner drive (pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. – – 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the connector between M201-SCDB PJ4 for proper connection and correct as necessary. 5 Check the connector between PS201-SCDB PJ6 for proper connection and correct as necessary. 6 Check the connector between SCDB PJ2-PRCB CN43 for proper connection and correct as necessary. 7 PS201 I/O check, sensor check SCDB PJ6-3 (ON) 27-P. 8 M201 operation check SCDB PJ4-1 to 4 27-P. 9 Replace SCDB. 10 Replace PRCB.

Code: C6104
Description: Back side cleaning home sensor abnormality (initial)
• The CIS cleaning sensor (PS7) does not change from H to L even after the lapse of a given period of time after the home position detecting operation is started at the initial operation. • The CIS cleaning sensor (PS7) does not change from L to H even after the lapse of a given period of time after the home position detecting operation is started at the initial operation.
Troubleshooting Guides: 1 Check if the opening and closing guide is firmly closed. 2 Check the connector between M5-DFCB J9 for proper connection, and correct as necessary. 3 Check the connector of M5 for proper drive coupling, and correct as necessary. 4 Check the connector between PS7-DFCB J13 for proper connection, and correct as necessary. 5 PS7 I/O check, sensor check DRCB J13-3 (ON) DF-701 1-G. 6 M5 operation check DRCB J9-1 to 4 DF-701 6-G. 7 Replace M5. 8 Replace DFCB.

Code: C6105
Description: Back side cleaning home sensor abnormality (normal)
At the time of operation other than the initial operation, the CIS cleaning sensor (PS7) error is detected.
Troubleshooting Guides: 1 Check if the opening and closing guide is firmly closed. 2 Check the connector between M5-DFCB J9 for proper connection, and correct as necessary. 3 Check the connector of M5 for proper drive coupling, and correct as necessary. 4 Check the connector between PS7-DFCB J13 for proper connection, and correct as necessary. 5 PS7 I/O check, sensor check DRCB J13-3 (ON) DF-701 1-G. 6 M5 operation check DRCB J9-1 to 4 DF-701 6-G. 7 Replace M5. 8 Replace DFCB.

Code: C6704
Description: Image input time out
Image data is not input from the scanner to the MFP board (MFPB).
Troubleshooting Guides: 1 Select [Service Mode] – [State Confirmation] – [Memory/HDD Adj.] – [Memory Bus Check] – [Scanner – Memory], and conduct the memory bus function. 2 Check the connectors between scanner section and MFPB for proper connection and correct as necessary. 3 Replace MFPB. 4 Replace CCDB.

Code: C6751
Description: CCD clamp/gain adjustment failure
• The adjustment value is 0 or 255 during a CCD clamp adjustment. • The peak value of the output data is 64 or less during a CCD gain adjustment.
Troubleshooting Guides: 1 Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. 2 Check for possible extraneous light and correct as necessary. 3 Clean the lens, mirrors, CCD surface, and shading sheet if dirty. 4 Correct reflective mirror of the scanner if faulty, or change scanner mirror. 5 Replace CCDB. 6 Replace MFPB.

Code: C6752
Description: ASIC clock input error (front side)
When starting the machine, verification on reading and writing the predetermined value for image processing ASIC on CCD board (CCDB) was conducted, and verification failure was detected.
Troubleshooting Guides: 1 Correct the harness connection of CCDB if faulty. 2 Replace CCDB. 3 Replace MFPB.

Code: C6753
Description: ASIC clock input error (back side)
When starting the machine, verification on reading and writing the predetermined value for image processing ASIC on dual scan image processing board (DSIPB) was conducted, and verification failure was detected.
Troubleshooting Guides: 1 Correct the harness connection between DF and DSIPB if faulty. 2 Correct the harness connection between DSIPB and MFPB if faulty. 3 Replace CIS. 4 Replace DSIPB. 5 Replace MFPB.

Code: C6754
Description: CIS clamp adjustment failure
After the gain adjustment is performed at the start-up, the CIS clamp adjustment value is too high or too low.
Troubleshooting Guides: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Check for possible extraneous light and correct as necessary. 4 Clean the back side reading glass and the shading sheet if dirty.

Code: C6755
Description: CIS gain adjustment failure
After the gain adjustment is performed at the start-up, the peak value of the output data is lower than a given value.
Troubleshooting Guides: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Check for possible extraneous light and correct as necessary. 4 Clean the back side reading glass and the shading sheet if dirty. 5 Replace CIS. 6 Replace DSIPB. 7 Replace CISPU. 8 Replace MFPB.

Code: C6756
Description: CCD power-supply voltage malfunction
Power is not supplied to CCD after the lapse of a given period of time after the main power switch or sub power key is turned ON or the machine recovers from the sleep mode.
Troubleshooting Guides: 1 Correct the harness connection between CCDB and SCDB if faulty. 2 Correct the harness connection between SCDB and DCPU if faulty. 3 Replace CCDB. 4 Replace SCDB. 5 Replace DCPU.

Code: C6901
Description: DSC board mount failure 1
When MFP detects that DSC board/1 (front side) is not properly installed.
Troubleshooting Guides: 1 Correct the harness connection of DSCB/1 if faulty. 2 Replace DSCB/1. 3 Replace MFPB.

Code: C6902
Description: DSC board bus check NG1-1
When DSC bus check (front side) detects an error.
Troubleshooting Guides: 1 Correct the harness connection of DSCB/1 if faulty. 2 Replace DSCB/1. 3 Replace MFPB.

Code: C6903
Description: DSC board bus check NG1-2
When DSC bus check (front side) detects an error.
Troubleshooting Guides: 1 Correct the harness connection of DSCB/1 if faulty. 2 Replace DSCB/1. 3 Replace MFPB.

Code: C6911
Description: DSC board mount failure 2
When MFP detects that DSC board/2 (back side) is not properly installed.
Troubleshooting Guides: 1 Correct the harness connection of DSCB/2 if faulty. 2 Correct the harness connection of DSIPB if faulty. 3 Replace DSCB/2. 4 Replace DSIPB. 5 Replace MFPB.

Code: C6912
Description: DSC Bus check NG2-1
Troubleshooting Guides: 1 Correct the harness connection of DSCB/2 if faulty. 2 Correct the harness connection of DSIPB if faulty. 3 Replace DSCB/2. 4 Replace DSIPB. 5 Replace MFPB.

Code: C6913
Description: DSC Bus check NG2-2
When DSC bus check (back side) detects an error.
Troubleshooting Guides: 1 Correct the harness connection of DSCB/2 if faulty. 2 Correct the harness connection of DSIPB if faulty. 3 Replace DSCB/2. 4 Replace DSIPB. 5 Replace MFPB.

Code: C6F01
Description: Scanner sequence trouble 1
The original transport interval becomes shorter than the predetermined value due to an original transport control error in original reading in DF.
Troubleshooting Guides: 1 Correct the harness connection between main body and DF if faulty. 2 Replace DFCB. 3 Replace MFPB.

Code: C8101
Description: Before reading pressure welding alienation mechanism
• During a pressure motion being performed, the document reading sensor (PS6) output does not change from H to L. • During a retraction motion being performed, the document reading sensor (PS6) output does not change from L to H.
Troubleshooting Guides: 1 Check the connector between M4-DFCB J18 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 Check the connector between PS6-DFCB J10 for proper connection and correct as necessary. 4 PS6 I/O check, sensor check DFCB J10-3 (ON) DF-701 2-G. 5 M4 operation check DFCB J18-4 to 5 DF-701 1-G. 6 Replace M4. 7 FSCB F8 conduction check. 8 Replace DFCB.

Code: C8107
Description: Glass cleaning mechanism trouble
The document reading glass cleaning sensor (PS13) is not turned ON after the set period of time has elapsed after the document reading glass cleaning motor (M6) is turned ON.
Troubleshooting Guides: 1 Check the connector between M6-DFCB J8 for proper connection and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS13-DFCB J15 for proper connection and correct as necessary. 4 PS13 I/O check, sensor check DFCB J15-5 (ON) DF-701 3-G. 5 M6 operation check DFCB J8-1 to 4 DF-701 1-B. 6 Replace M6. 7 Replace DFCB.

Code: C8302
Description: Cooling fan trouble
• The lock signal continues to detect H during a given time while the DF cooling fan motor (FM1) is spinning. • The lock signal continues to detect L during a given time while the cooling fan (FM1) is during halts.
Troubleshooting Guides: 1 Check the connector between FM1-DFCB J16 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check DFCB J16-3 (ON) DF-701 7-G. 4 Replace FM1. 5 DFCB F6 conduction check. 6 Replace DFCB.

Code: C9401
Description: Exposure LED lighting failure
The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
Troubleshooting Guides: 1 Check the connection between SCDB PJ3-LU201, and correct if necessary. 2 Check the connector between SCDB PJ1-PRCB CN43 for proper connection and correct as necessary. 3 Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. 4 Replace the LED exposure unit. 5 Replace CCDB. 6 Replace SCDB. 7 Replace PRCB. 8 Replace MFPB.

Code: C9402
Description: Exposure LED lighting abnormally
The average output value of the CCD sensor with the scanner at its standby position is a predetermined value or more at the end of a scan job.
Troubleshooting Guides: 1 Check the connection between SCDB PJ3-LU201, and correct if necessary. 2 Check the connector between SCDB PJ1-PRCB CN43 for proper connection and correct as necessary. 3 Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. 4 Replace the LED exposure unit. 5 Replace CCDB. 6 Replace SCDB. 7 Replace PRCB. 8 Replace MFPB.

Code: C9403
Description: CIS LED lighting failure
At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.
Troubleshooting Guides: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.

Code: C9404
Description: CIS LED lighting abnormally
After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.
Troubleshooting Guides: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.

Code: CA051
Description: Standard controller configuration failure
The controller of the MFP board (MFPB) is faulty.
Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFPB for proper connection and correct as necessary. 3 Replace MFPB.

Code: CA052
Description: Controller hardware error
A controller hardware error is detected in the network interface.
Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFPB for proper connection and correct as necessary. 3 Replace MFPB.

Code: CA053
Description: Controller start failure
A controller start failure is detected in the controller interface.
Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFPB for proper connection and correct as necessary. 3 Replace MFPB.

Code: CB001
Description: FAX board error 1
Troubleshooting Guides:

Code: CB002
Description: FAX board error 2
Troubleshooting Guides:

Code: CB003
Description: FAX board error 3
Troubleshooting Guides:

Code: CB051
Description: FAX board mount failure line 1
Troubleshooting Guides:

Code: CB052
Description: FAX board mount failure line 2
Troubleshooting Guides:

Code: CB110
Description: FAX driver error: Instance generation error or observer registration error
Troubleshooting Guides:

Code: CC140
Description: Trouble related to security
Troubleshooting Guides: Contact the responsible people of KM before taking some countermeasures.

Code: CC151, CC152
Description: ROM contents error upon startup (MSC) Trouble code ROM contents error upon startup (scanner) A fault is detected in a sequence of ROM contents check of the MFPB during starting.
Troubleshooting Guides: 1 Check the ROM version. – – 2 Rewrite the firmware. – – 3 Replace the appropriate board. MSC: MFP board (MFPB) IR: MFP board (MFPB)

Code: CC155
Description: Finisher ROM error Data of flash ROM of the finishing options is determined to be faulty when the main power swicth is turned ON.
Troubleshooting Guides:
When FS-533, FS-534 or FS-535 is installed: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace FSCB (FS-533/FS-534/FS-535).

When JS-506 is installed: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace JSCB

Code: CC156
Description: DF ROM error. Upgrade of the firmware has not been successful.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace DFCB

Code: CC157
Description: Finisher ROM error (RU). When a communication error is detected between the main body and the horizontal transport unit.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace RUCB – – 4 Replace FSCB

Code: CC158
Description: Finisher ROM error (ZU). Data of flash ROM of the z-folding unit is determined to be faulty when the power is turned ON.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace ZUCB

Code: CC159, CC15A
Description: ROM contents error upon startup (DSC1), ROM contents error upon startup (DSC2)
Troubleshooting Guides: • DSC board/1 (DSCB/1; SC-508) • DSC board/2 (DSCB/2; SC-508) 1 Check DSCB/1 or DSCB/2 connector for proper connection and correct as necessary. – – 2 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 3 Rewrite the firmware. – – 4 Replace DSCB/1 or DSCB/2

Code: CC15B
Description: Flash ROM error (saddle) <When FS-534+SD-511 is installed> <When FS-535+SD-512 is installed> Data of flash ROM of the saddle is determined to be faulty when the main power switch is turned ON.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace SDDB (SD-511/SD-512)

Code: CC15C
Description: Engine Flash ROM writing error. Data of flash ROM of the engine is determined to be faulty.
Troubleshooting Guides: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace PRCB

Code: CC163
Description: ROM contents error (PRT). The wrong model of firmware is detected in the engine during the initial connection to the engine is being checked.
Troubleshooting Guides: • SSD board (SSDB) • Printer control board (PRCB) 1 Rewrite the firmware. – – 2 Replace PRCB – – 1. Turn OFF the main power switch and replace the current PRCB with a new one. 2. Update the PRCB firmware. 3. After completing the firmware update, turn OFF and ON the main power switch and check to see that warm-up is started. 4. When the trouble cannot be solved, reinstall the removed PRCB to the original board. NOTE • When taking the above steps, check whether PRCB is defective or not without replacing the SSDB. 3 If the above actions do not solve the problem, contact KM.

Code: CC164
Description: ROM contents error (MSC) • The wrong model of firmware is detected in the MFP board when the main power switch is turned ON. • The machine type information (Machine, Type) registered to the machine differs from the actual machine type.
Troubleshooting Guides: • Printer control board (PRCB) • MFP board (MFPB) 1 Check the ROM version. – – 2 Check the machine type information registered and reenter as necessary. For details the machine information, see “J.2.4 Entering the machine type information”. – – 3 Rewrite the firmware. – – 4 Replace the corresponding board. – – 5 If the above actions do not solve the problem, contact KM.

Code: CC165
Description: ROM contents error (DF) When the power is turned ON, DF control board or firmware error is detected.
Troubleshooting Guides: DF control board (DFCB) 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. – – 2 Rewrite the firmware. – – 3 Replace DFCB

Code: CC170…CC186
Description: Dynamic link error during starting (AP0) Dynamic link error during starting (AP1) Dynamic link error during starting (AP2) Dynamic link error during starting (AP3) Dynamic link error during starting (AP4) Dynamic link error during starting (LDR) Dynamic link error during starting (IBR) Dynamic link error during starting (IID) Dynamic link error during starting (IPF) Dynamic link error during starting (IMY) Dynamic link error during starting (SPF) Dynamic link error during starting (OAP) A dynamic link error occurs in the program on the MFP board due to an insufficient memory space available, a ROM fault, or other reason when the main power switch is turned ON.
Troubleshooting Guides: 1 If the malfunction code “C-C172” has occurred, access [Service Mode] -> [System 2] -> [Image Controller Setting] and check to see if “Controller 2,” “Controller 3,” or “Others” is set for [Image Controller Setting]. If any of these is set, according to the kind of controller, select “Controller 0” or “Controller 1.” 2 If the malfunction code ‘C-C180’ has occurred, check to install the appropriate loadable device driver for an authentication unit which is installed to the MFP. When the appropriate loadable device driver is not installed, reinstall the appropriate loadable device driver. – – 3 Replace MFPB – – 4 If the above actions do not solve the problem, contact KM.

Code: CC190
Description: Outline font load error. An error occurred while loading the outline font.
Troubleshooting Guides: • MFP board (MFPB) • Hard disk 1 Check the connector between hard disk-MFPB PJ11 for proper connection and correct as necessary. – – 2 Format hard disk. – – 3 Replace the hard disk. – – 4 Replace MFPB

Code: CC191
Description: Setting parameter load error (LDR) Upon startup, the processing of the loadable device driver setting data file failed. • RAM disk file creation failed. • Reading from the flash ROM failed. • An error occurred in API of the authentication module.
Troubleshooting Guides: 1 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. – – 2 Reinstall the loadable device driver. – – 3 Rewrite the firmware. – – 4 Replace MFPB

Code: CC211
Description: Authentication device general error. When using the authentication device, authentication data is not to meet the specifications.
Troubleshooting Guides: • MFP board (MFPB) • Authentication device 1 Check the USB cable for proper connection and correct as necessary. – – 2 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch.

Code: CC212
Description: User validation error. • An error occurred while validating the user authentication information. • The loadable device driver is not successfully installed.
Troubleshooting Guides: • MFP board (MFPB) • Authentication device 1 When this trouble code is generated after installing the loadable device driver, check to see if there is any file other than loadable device driver in USB memory used. If there is any file, reinstall the loadable device driver. – – 2 Check the USB cable for proper connection and correct as necessary. – – 3 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. – – 4 Re-register the user authentication information. – – 5 Replace authentication device.

Code: CC213
Description: • User registration error • Card information setting error
Troubleshooting Guides: • MFP board (MFPB) • Authentication device 1 Check the USB cable for proper connection and correct as necessary. – – 2 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. – – 3 Reset the authentication settings. (card type, IC card advanced settings, and etc.) – – 4 Re-register the user authentication information.

Code: CC214
Description: User information deletion error The deletion of the user information is uncompleted.
Troubleshooting Guides: • MFP board (MFPB) • Authentication device 1 Check the USB cable for proper connection and correct as necessary. – – 2 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch.

Code: CC216
Description: Acquisition failure of the number of trials/Initialize error of number of authentication. An error occurred during user authentication using optional authentication unit AU-102.
Troubleshooting Guides: • MFP board (MFPB) • Authentication device 1 Check the USB cable for proper connection and correct as necessary. – – 2 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. – – 3 Reset the number of authentication trials.

Code: CD002
Description: JOB RAM save error. The error in save of job data to the memory/ hard disk and its read error are detected.
Troubleshooting Guides: • MFP board (MFPB) • Hard disk 1 Check the connector between hard disk-MFPB PJ11 for proper connection and correct as necessary. – – 2 Format hard disk. – – 3 Replace the hard disk. – – 4 Replace MFPB

Code: CD004, CD00F, CD020
Description: Hard disk access error (connection failure) Hard disk data transfer error Hard disk verify error
Troubleshooting Guides: • MFP board (MFPB) • Hard disk 1 Check the connector between hard disk-MFPB PJ11 for proper connection and correct as necessary. – – 2 Reinstall the hard disk. – – 3 Replace the hard disk. – – 4 Replace MFPB.

Code: CD010
Description: Hard disk unformat Unformatted hard disk is connected.
Troubleshooting Guides: • MFP board (MFPB) • Hard disk 1 Select [Service Mode] -> [State Confirmation] -> [Memory/HDD Adj.] -> [HDD Format], and conduct the HDD format function. – – 2 Replace the hard disk. – – 3 Replace MFPB

Code: CD011
Description: Hard disk out of specifications mounted. A hard disk that falls outside the specifications is connected.
Troubleshooting Guides: 1 Check the hard disk specifications. – – 2 Replace the hard disk.

Code: CD012
Description: Mount error due to hard disk being unformatted. • The hard disk is not logically formatted after the whole data in the hard disk has been deleted by overwriting. • The hard disk that has replaced an old one is not logically formatted.
Troubleshooting Guides: 1 Logically format the hard disk and then upgrade the firmware. – – 2 Replace the hard disk.

Code: CD030
Description: Hard disk management information reading error. The machine fails to read administrative information data saved in the hard disk.
Troubleshooting Guides:

Code: CD041…CD046
Description: HDD command execution error. The error occurred inside the hard disk.
Troubleshooting Guides: 1 Check the hard disk specifications. – – 2 Format hard disk. – – 3 Replace the hard disk.

Code: CD047…CD04B
Description: HDD SCSI library error. The error occurred inside the hard disk.
Troubleshooting Guides: 1 Check the hard disk specifications. – – 2 Format hard disk. – – 3 Replace the hard disk.

Code: CD110
Description: Wireless LAN destination initialization error. When an initialization error occurred on the settings of the wireless LAN in the upgrade kit (UK-208).
Troubleshooting Guides: 1 Check the UK-208 connector for proper connection and correct as necessary. – – 2 Check the UK-209 and DSIPB for proper connection and correct as necessary. – – 3 Update the PRCB firmware. – – 4 Reinstall the UK-208. – – 5 Reinstall the UK-209 or DSIPB.

Code: CD201…CD203
Description: File memory mounting error. Memory capacity discrepancy. Memory capacity discrepancy 2
Troubleshooting Guides: 1 Check to see if MEMB/1 or MEMB/2 on MFPB is installed correctly. – – 2 Replace MEMB/1 or MEMB/2 on MFPB. – – 3 Replace MFPB.

Code: CD211
Description: PCI-SDRAM DMA operation failure. Hardware related to the transfer of memory image of the MFP board (MFPB) fails to respond.
Troubleshooting Guides: 1 Replace MFPB.

Code: CD212
Description: Compression/extraction timeout detection. Hardware related to the BTC compression function of the MFP board (MFPB) fails to respond.
Troubleshooting Guides: 1 Replace MFPB.

Code: CD241, CD242
Description: Encryption ASIC setting error. Encryption ASIC mounting error.
Troubleshooting Guides: 1 Check the MFP board connector for proper connection and correct as necessary. – – 2 Replace MFPB.

Code: CD252
Description: No relay circuit boards for IC-414 mounting at IC-414 mount setting. EFI relay circuit boards (VI-506) are not mounted when the IC-414 is set to mount setting at Service Mode.
Troubleshooting Guides: • MFP board (MFPB) • EFI relay board (VI-506) 1 If the IC-414 is not mounted, access [Service Mode] -> [System 2] -> [Image Controller Setting] and check to see if “Controller 0” is set for [Image Controller Setting]. – – 2 Check the EFI relay board (VI-506) connector for proper connection and correct as necessary. – – 3 Replace EFI relay board (VI-506) – – 4 Replace MFPB.

Code: CD261
Description: USB host board failure. • When a failure is detected in USB host board included in the local interface kit. • Non-standard USB device is connected.
Troubleshooting Guides: • MFP board (MFPB) • USB host board (EK-606) • USB host board (EK-607) 1 Check the operation with another USB device. – – 2 Check the USB host board connector for proper connection and correct as necessary. – – 3 Replace the USB host board – – 4 Replace MFPB.

Code: CD262
Description: Extension network adapter installation error. • When the 2nd network card settings is set to “Set” but the upgrade kit (UK-208) is not installed. • Upgrade Kit (UK-208) is faulty.
Troubleshooting Guides: 1 Check the settings of the Service Mode. [Service Mode] -> [Network Settings] -> [2nd Network Setting] -> [2nd network card settings] – – 2 Check the UK-208 connector for proper connection and correct as necessary. – – 3 Check the UK-209 and DSIPB for proper connection and correct as necessary. – – 4 Update the PRCB firmware. – – 5 Reinstall the UK-208. – – 6 Reinstall the UK-209 or DSIPB.

Code: CD271
Description: i-Option activated and additional memory not installed. While the i-Option is activated, the additional memory included in UK-204 is not installed.
Troubleshooting Guides: • MFP board (MFPB) • Memory board/2 (MEMB/2; UK-204) 1 Check the MEMB/2 for proper connection and correct as necessary. – – 2 Replace MEMB/2 – – 3 Replace MFPB.

Code: CD272
Description: i-Option activated and additional memory and HDD not installed. While the i-Option is activated, the additional memory included in UK-204 and the HDD are not installed.
Troubleshooting Guides: • MFP board (MFPB) • Hard disk • Memory board/2 (MEMB/2; UK-204) 1 Check MEMB/2 for proper connection and correct as necessary. – – 2 Access [Service Mode] -> [System 2] -> [HDD] and check to see if “Installed” is selected. – – 3 Replace MEMB/2 – – 4 Replace the hard disk. – – 5 Replace MFPB

Code: CD370
Description: Nonvolatile data multiple errors. Multiple errors (over 5) are detected by the abnormal check of each nonvolatile data.
Troubleshooting Guides: • Trouble code [C-D370] will be displayed when multiple errors (over 5) of nonvolatile data are detected, which can be restored with one restoration command. • Data backup will be automatically performed every hour. Backup can also be performed manually with the following setting. [Service Mode] -> [Enhanced Security] -> [Memory Data Backup] 1. When a trouble caused by nonvolatile data error occurs, the screen below appears. 2. Select [Yes]. 3. The screen will be shifted to the data restoration screen to perform data restoration. NOTE • When the restoration is performed in a short time, data restoration screen may not be displayed. 4. Check the message which indicates that the data restoration was successfully conducted. Turn OFF the main power switch and turn it ON again more than 10 seconds after. NOTE • In case it failed to restore data, return to the trouble code screen.

Code: CD390
Description: Nonvolatile data checksum error
Troubleshooting Guides: 1 Wait until “Recover Data” appears. (MFP will reboot maximum 2 times by itself, it may take 5 minutes.) Touch the “Recover Data” button and follow the instructions that appear on the control panel to restore (backup) data.

Code: CD3A0
Description: Counter error. The total counter values provided by the MFP board and the SSD board are different.
Troubleshooting Guides: • MFP board (MFPB) • SSD board (SSDB) 1 If this error occurs temporarily due to the use of the board removed from another machine, reinstall the original board. – – 2 Replace the current MFPB with a new one.

Code: CD401…CD413
Description: NACK command incorrect ACK command incorrect Checksum error Receiving packet incorrect Receiving packet analysis error ACK receiving timeout Retransmission timeout Touch panel board error Touch panel type mismatch Electrostatic touch panel operation mode error. When abnormality is found in the communication of controller.
Troubleshooting Guides: 1 Check whether there is a strong electromagnetic noise source near the main body. – – 2 Check the connectors on MFPB for proper connection and correct as necessary. – – 3 Replace MFPB

Code: CD601…CD603
Description: Trouble related to security.
Troubleshooting Guides: Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. If the above actions do not solve the problem, contact KM.

Code: CDF50, CDF70, CDFA0
Description: ASIC image version failure ASIC image access failure ASIC image error. Communication error is detected between the MFP board (MFPB) and the CCD board (CCDB).
Troubleshooting Guides: • MFP board (MFPB) • CCD board (CCDB) 1 Check the connector between MFPB and CCDB for proper connection, and correct as necessary. – – 2 Update the firmware. – – 3 Replace CCDB – – 4 Replace MFPB

Code: CDF51, CDF71, CDFA1
Description: ASIC image version failure (back side) ASIC image access failure (back side) ASIC image error (back side). Communication error is detected between the MFP board (MFPB) and the dual scan image processing board (DSIPB).
Troubleshooting Guides: • MFP board (MFPB) • Dual scan image processing board (DSIPB) 1 Check the connector between MFPB and DSIPB for proper connection, and correct as necessary. – – 2 Update the firmware. – – 3 Replace DSIPB – – 4 Replace MFPB

Code: CE001, CE003
Description: Abnormal message queue. Task error. MFP board (MFPB) is faulty.
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB

Code: CE002
Description: Message and method parameter failure. MFP board (MFPB) is faulty.
Troubleshooting Guides: • MFP board (MFPB) • Hard disk 1 Turn OFF the main power switch and turn it ON again, and conduct the following setting. [Service Mode] -> [System 1] -> [Initialization] -> [Clear All Data]. – – 2 Format hard disk – – 3 Replace the hard disk. – – 4 Replace MFPB

Code: CE004…CE007
Description: Event error Memory access error Header access error DIMM initialize error. MFP board (MFPB) is faulty.
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB

Code: CE101
Description: Browser finish detected. • The browser is automatically recovered (restarted) after the main body detected that the browser (separate process) has stopped with fault. • When the “Malfunction finish is detected over predetermined number of times” or “the browser task process is except in idle (printing, etc)”.
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB.

Code: CE201
Description: Transmission operation log storage fault. When the transmission log storage failed, it repeats retrial until transmission operation log is stored. The trouble is detected when the retrial failed for predetermined number of times.
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB.

Code: CE301…CE305
Description: Referring incorrect memory Incorrect command Finished due to error inside Qt library Finished due to error outside Qt library Program forced to stop. Error occurred with the process inside the MFP controller
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB – – 3 Acquire the debug logs in [Service Mode] -> [Debug Settings] and analyze them.

Code: CED01
Description: The authentication application information does not exist in the hard disk/SSD board in the enhanced server authentication state. With “Enhanced Server Authentication” set, no authentication application registration information is found in the hard disk or the SSD board (SSDB).
Troubleshooting Guides: • SSD board (SSDB) • Hard disk 1 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. – – 2 Check the connector from MFPB to Hard disk for proper connection and correct as necessary. – – 3 Check the connector from SSDB to MFPB for proper connection and correct as necessary. – – 4 Logically format the hard disk. – – 5 Replace the hard disk – – 6 If the above actions do not solve the problem, contact KM.

Code: CEEE1
Description: MFP board malfunction.
Troubleshooting Guides: 1 Check the connectors on MFPB for proper connection and correct as necessary. – – 2 Replace MFPB

Code: CEEE2
Description: Scanner section malfunction
Troubleshooting Guides: • LED exposure unit (LU201) • CCD board (CCDB) • Scanner drive board (SCDB) 1 Correct the connector connection between CCDB and SCDB if faulty. – – 2 Replace SCDB – – 3 Replace CCDB

Code: CEEE3
Description: Printer control board malfunction. Printer control board (PRCB) is faulty.
Troubleshooting Guides: 1 Check the PRCB connector for proper connection and correct as necessary. – – 2 Replace PRCB

Code: CF0##…CFF##
Description: Abort code. MFP Control Board error
Troubleshooting Guides: • MFP board (MFPB) • DSC board/1 (DSCB/1) • DSC board/2 (DSCB/2) • EFI relay board (EFIRYB: VI-506) • Dual scan image processing board (DSIPB)

Code: CF001…CFFE7
Description: Abort code • MFP board (MFPB) • Memory board/1 (MEMB/1) • Memory board/2 (MEMB/2) • EFI board (EFIRYB: VI-506) • Dual scan image processing board (DSIPB) • DSC board/1 (DSCB/1: Security kit SC-508) • DSC board/2 (DSCB/2: Security kit SC-508) • Hard disk (HDD)
Troubleshooting Guides: 1 Main power switch Turn OFF and ON the main power switch, and check if the Abort code appears again. NO When not reappearing, continuous use is carried out, and it is checked whether an abort code occurs. 2 Connector connection Check the connector for proper connection and correct as necessary. • MFP board (MFPB) • Memory board/1 (Standard memory: MEMB/1) • Memory board/2 (Expansion memory: MEMB/2) • EFI board (EFIRYB: VI-506) • Dual scan image processing board (DSIPB) • DSC board/1 (DSCB/1: SC-508) • DSC board/2 (DSCB/2: SC-508) • Hard disc (HDD) NO It will correct, if connector connection has abnormalities. 3 Firmware Update the firmware to the latest version, and check if the Abort code appears again. NO After conducting firmware updating, check the firmware version No. and confirm that the firmware has been normally updated. 4 Memory Check Conduct the following setting. [Service Mode] -> [State Confirmation] -> [Memory/ HDD Adj.] -> [Memory Check] -> [Rough Check]. NO When ‘NG’ is displayed, replace the appropriate memory or PWB. • WORK0: Standard memory (MEMB/1) • WORK1: Expansion memory (MEMB/2) • FILE0,1: MFP board (MFPB) • FILE2,3: EFI board (EFIRYB: VI-506) • FILE4,5: Dual scan image processing board (DSIPB) 5 HDD R/W Check Conduct the following setting. [Service Mode] -> [State Confirmation] -> [Memory/ HDD Adj.] -> [HDD R/W Check]. NO When ‘NG’ is displayed, replace the hard disk (HDD). 6 JPEG Check Conduct the following setting. [Service Mode] -> [State Confirmation] -> [Memory/ HDD Adj.] -> [JPEG Check]. NO When ‘NG’ is displayed, Check the MFPB. 7 MFP board Replace MFPB NO Other electric parts indicated to Component of abort code list are replaceed.

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[SOLVED] Quick fix Konica-Minolta C554 list error codes