[SOLVED] Quick fix Konica-Minolta C280 list error codes

[SOLVED] Quick fix Konica-Minolta C280 list error codes

– Compatible Printer model: Konica-Minolta bizhub C280
– Konica-Minolta bizhub C280 Error Codes with quick guides:

• Code: C0001
• Description: LCT communication error
  • Due to malfunctioning of the software or other causes, the watchdog timer triggers a reset when time is up.
• Troubleshooting Guides: 1 Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. 2 PCCB replacement

• Code: C0202
• Description: Tray 1 feeder up/down abnormality
  • The paper feed tray 1 upper limit sensor 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 CN18 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 CN106-PRCB CN21 for proper connection and correct as necessary. 4 PS25 I/O check, sensor check. 5 M12 operation check. 6 Change M12. 7 PRCB ICP7 conduction check. 8 Change PRCB.

• Code: C0204
• Description: Tray 2 feeder up/down abnormality
  • The paper feed tray 2 upper limit sensor 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 CN18 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 CN113-PRCB CN22 for proper connection and correct as necessary. 4 PS22 I/O check, sensor check. 5 M13 operation check. 6 Change M13. 7 PRCB ICP7 conduction check. 8 Change PRCB.

• Code: C0206
• Description: Tray3 lift-up failure
  • The lift-up upper sensor is not blocked even
• Troubleshooting Guides: 1 Check the connector between M124-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M125-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS114- PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS123- PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS114 I/O check, sensor check. 7 PS123 I/O check, sensor check. 8 M124 operation check. 9 M125 operation check. 10 Change PRCB. 11 Change MFPB.

• Code: C0208
• Description: Tray4 lift-up failure
  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 M124-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M125-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS114- PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS123- PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS114 I/O check, sensor check. 7 PS123 I/O check, sensor check. 8 M124 operation check. 9 M125 operation check. 10 Change PRCB. 11 Change MFPB.

• Code: C0209
• Description: LCT elevator motor failure
  • The elevator motor pulse sensor (PS10) cannot detect both edges of H/L even after the set period of time has elapsed while the elevator motor (M5) is turning backward/forward (raise/lower).
• Troubleshooting Guides: 1 Check the connector between M5-REYB CN2 for proper connection and correct as necessary. 2 Check the connector between PS10-REYB CN2 for proper connection and correct as necessary. 3 Check the connector of each motor for proper drive coupling, and correct as necessary. 4 PS10 I/O check, sensor check. 5 M5 operation check. 6 Change REYB. 7 Change PCCB.

• Code: C0210
• Description: LCT lift failure
  • The lift-up upper limit sensor (PS4) is not blocked even after the set period of time has elapsed after the paper lift-up operation began. • The lift-up upper limit sensor (PS4) is not blocked even after the set pulse is detected by the elevator motor pulse sensor (PS10) after the paper lift-up operation began. • The lift-up lower sensor (PS13) is not unblocked even after the set pulse is detected by the elevator motor pulse sensor (PS10) after the paper lift-up operation began. • The lift-up upper limit sensor (PS4) is not blocked even after the set period of time has elapsed after the paper lift-up operating. • The lift-up lower limit sensor (PS13) is not blocked even after the set period of time has elapsed after the paper lift-down operation began. • The lift-up lower limit sensor (PS13) is not blocked even after the set pulse is detected by the elevator motor pulse sensor (PS10) after the paper lift-down operation began. • The lift-up upper limit sensor (PS4) is not unblocked even after the set pulse is detected by the elevator motor pulse sensor (PS10) after the paper lift-down operation began. • The lower limit over run sensor (PS7) is blocked while the paper lift-down operating.
• Troubleshooting Guides: 1 Check the connector between PS4-PCCB CN5 for proper connection and correct as necessary. 2 Check the connector between PS13-PCCB CN2 for proper connection and correct as necessary. 3 Check the connector between PS10-PCCB CN2 for proper connection and correct as necessary. 4 Check the connector between PS7-PCCB CN2 for proper connection and correct as necessary. 5 PS4 I/O check, sensor check. 6 PS13 I/O check, sensor check. 7 PS10 I/O check, sensor check. 8 PS7 I/O check, sensor check. 9 Change PCCB.

• Code: C0211
• Description: Manual feed up/down abnormality
  • Paper does not unblock the manual lift-up position sensor even after the transport motor 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 manual lift-up position sensor is not blocked even after the transport motor 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 M1-PRCB CN14 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 PS26-relay CN93-PRCB CN19 for proper connection and correct as necessary. 4 Check the connector between SD1-relay CN99-relay CN93-PRCB CN19 for proper connection and correct as necessary. 5 PS26 I/O check, sensor check. 6 SD1 operation check. 7 M1 operation check. 8 Change M1. 9 PRCB ICP5 conduction check. 10 Change PRCB.

• Code: C0212
• Description: LCT ejection failure
  • The drawer cannot be determined to be out of position even after the set period of time has elapsed after the tray lock solenoid (SD1) is energized after the lowering operation is finished.
• Troubleshooting Guides: 1 Check the connector between SD1-PCCB CN7 for proper connection and correct as necessary. 2 SD1 operation check. 3 Change PCCB.

• Code: C0213
• Description: LCT shift gate malfunction
  • The division board position sensor (PS14) cannot be set to L even after the set period of time has elapsed after the operation of the division board position motor (M3) began with the division board position sensor (PS14) set to L.
• Troubleshooting Guides: 1 Check the connector between PS14-PCCB CN2<B> for proper connection and correct as necessary. 2 Check the connector between M3-PCCB CN2<B> for proper connection and correct as necessary. 3 Check the connector of each motor for proper drive coupling, and correct as necessary. 4 PS14 I/O check, sensor check. 5 M3 operation check. 6 Change PCCB.

• Code: C0214
• Description: LCT shifting failure
  • The shifter stop position sensor (PS11) is not blocked even after the set period of time has elapsed after the shift operation began (shift to the right). • The shifter stop position sensor (PS11) is not blocked even after the set pulse is detected by the shift motor pulse sensor (PS8) after the shift operation began (shift to the right). • The shifter home position sensor (PS12) is not unblocked even after the set pulse is detected by the shift motor pulse sensor (PS8) after the shift operation began (shift to the right). • The shifter home position sensor (PS12) is not blocked even after the set period of time has elapsed after the return operation began (shift to the left). • The shifter home position sensor (PS12) is not blocked even after the set pulse is detected by the shift motor pulse sensor (PS8) after the return operation began (shift to the left). • The shifter stop position sensor (PS11) is not unblocked even after the set pulse is detected by the shift motor pulse sensor (PS8) after the return operation began (shift to the left).
• Troubleshooting Guides: 1 Check the connector between PS8-PCCB CN2<A> for proper connection and correct as necessary. 2 Check the connector between PS11-PCCB CN2<A> for proper connection and correct as necessary. 3 Check the connector between PS12-PCCB CN2<A>for proper connection and correct as necessary. 4 PS8 I/O check, sensor check. 5 PS11 I/O check, sensor check. 6 PS12 I/O check, sensor check. 7 Change PCCB.

• Code: C0215
• Description: LCT shift motor malfunction
  • The shift motor pulse sensor (PS8) cannot detect both edges of H/L even after the set period of time has elapsed while the shift motor (M4) is turning backward/forward (raise/lower).
• Troubleshooting Guides: 1 Check the connector between M4-PCCB CN2<B> for proper connection and correct as necessary. 2 Check the connector between PS8-PCCB CN2<A> for proper connection and correct as necessary. 3 Check the connector of each motor for proper drive coupling, and correct as necessary. 4 PS8 I/O check, sensor check. 5 M4 operation check. 6 Change PCCB.

• Code: C1004
• Description: FNS communication error
  • When the FS control board (FSCB) is receiving data, a communication error 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 JSCB F1 conduction check. 4 JSCB F2 conduction check. 5 Change FSCB.

• Code: C1081
• Description: SD communication error
  • When a communication error is detected between the FS control board (FSCB) and the SD control board (SDCB).
• 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 Change SDDB. 4 Change FSCB.

• Code: C1113
• Description: Center-staple lead edge stopper motor malfunction
  <When FS-527+SD-509 is installed> • The leading edge stopper home sensor (PS45) is turned neither ON nor OFF even after the set period of time has elapsed after the leading edge stopper motor (M20) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M20-SDDB PJ8 for proper connection and correct as necessary. 2 Check the connector between PS45-SDDB PJ10 for proper connection and correct as necessary. 3 Check the connector of M20 for proper drive coupling, and correct as necessary. 4 PS45 I/O check, sensor check. 5 M20 operation check. 6 Change M20. 7 Change SDDB. 8 Change FSCB.

• Code: C1114
• Description: Center-staple front adjust drive motor malfunction
  <When FS-527+SD-509 is installed> • The center staple alignment home sensor/F (PS42) is turned neither ON nor OFF even after the set period of time has elapsed after the center staple alignment motor/F (M24) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M24-SDDB PJ7 for proper connection and correct as necessary. 2 Check the connector between PS42-SDDB PJ9 for proper connection and correct as necessary. 3 Check the connector of M24 for proper drive coupling, and correct as necessary. 4 PS42 I/O check, sensor check. 5 M24 operation check. 6 Change M24. 7 Change SDDB. 8 Change FSCB.

• Code: C1115
• Description: Center-staple knife drive motor malfunction
  <When FS-527+SD-509 is installed> • The center fold plate home sensor (PS47) is turned neither ON nor OFF even after the set period of time has elapsed after the center fold plate motor (M26) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M26-SDDB PJ2 for proper connection and correct as necessary. 2 Check the connector between PS47-SDDB PJ10 for proper connection and correct as necessary. 3 Check the connector of M26 for proper drive coupling, and correct as necessary. 4 PS47 I/O check, sensor check. 5 M26 operation check. 6 Change M26. 7 Change SDDB. 8 Change FSCB.

• Code: C1116
• Description: Center-staple transfer motor malfunction
  <When FS-527+SD-509 is installed> • The center fold roller motor (M25) does not reach the specified speed even after the set period of time has elapsed after it starts to operate.
• Troubleshooting Guides: 1 Check the connector between M25-SDDB PJ4 for proper connection and correct as necessary. 2 Check the connector of M25 for proper drive coupling, and correct as necessary. 3 M25 operation check. 4 Change M25. 5 Change SDDB. 6 Change FSCB.

• Code: C1150
• Description: Center-staple rear adjust drive motor malfunction
  <When FS-527+SD-509 is installed> • The center staple alignment home sensor/R (PS41) is turned neither ON nor OFF even after the set period of time has elapsed after the center staple alignment motor/R (M23) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M23-SDDB PJ7 for proper connection and correct as necessary. 2 Check the connector between PS41-SDDB PJ9 for proper connection and correct as necessary. 3 Check the connector of M23 for proper drive coupling, and correct as necessary. 4 PS41 I/O check, sensor check. 5 M23 operation check. 6 Change M23. 7 Change SDDB. 8 Change FSCB.

• Code: C1156
• Description: Center-staple paddle roller motor malfunction (trailing edge)
  <When FS-527+SD-509 is installed> • Even after the set period of time has elapsed after the upper paddle motor (M21) starts running, a change of motor lock signal is not detected and neither the paper detection sensor/1 (PS43) nor the paper detection sensor/2 (PS44) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M21-SDDB PJ5 for proper connection and correct as necessary. 2 Check the connector between PS43-SDDB PJ9 for proper connection and correct as necessary. 3 Check the connector between PS44-SDDB PJ13 for proper connection and correct as necessary. 4 Check the connector of M21 for proper drive coupling, and correct as necessary. 5 PS43 I/O check, sensor check. 6 PS44 I/O check, sensor check. 7 M21 operation check. 8 Change M21. 9 Change SDDB. 10 Change FSCB.

• Code: C1181
• Description: Malfunctioning of belt up/ down movement
  <When FS-529 is installed> • The belt position sensor (PS13) is not turned OFF after the set period of time has elapsed after the belt retract solenoid (SD5) is turned ON. • The belt position sensor (PS13) is not turned ON after the set period of time has elapsed after the conveyance motor/1 (M5) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M5-FSCB CN17 for proper connection and correct as necessary. 2 Check the connector between SD5-FSCB CN19 for proper connection and correct as necessary. 3 Check the connector between PS13-FSCB CN7 for proper connection and correct as necessary. 4 Check the connector of M5 for proper drive coupling, and correct as necessary. 5 PS13 I/O check, sensor check. 6 M5 operation check. 7 Change M5. 8 SD5 operation check. 9 Change SD5. 10 Change FSCB.

• Code: C1182
• Description: Shift motor drive malfunction
  <When JS-505 is installed> • The shift home sensor (PS6) is not blocked after the set period of time has elapsed after the shift motor (M2) is turned ON (start of moving to the home position.) • The shift home sensor (PS6) is not unblocked twice in a row after the set period of time has elapsed after the shift motor (M2) is turned ON (start of moving to the shift position.) <When FS-527 is installed> • When moving to the front (home) position: The tray 2 shift home sensor (PS25) is not turned ON even after the set period of time has elapsed after the tray 2 shift motor (M16) is turned ON. • When moving to the rear (shift) position: The tray 2 shift home sensor (PS25) is not turned OFF even after the set period of time has elapsed after the tray 2 shift motor (M16) is turned ON.
• Troubleshooting Guides: When JS-505 is installed: 1 Check the connector between M2-JSCB PJ4 for proper connection and correct as necessary. 2 Check the connector between PS6-JSCB PJ7 for proper connection and correct as necessary. 3 Check the connector of M2 for proper drive coupling, and correct as necessary. 4 PS6 I/O check, sensor check. 5 M2 operation check. 6 Change M2. 7 JSCB F6 conduction check. 8 Change JSCB.
  When FS-527 is installed: 1 Check the connector between M16-FSCB PJ5 for proper connection and correct as necessary. 2 Check the connector between PS25-FSCB PJ21 for proper connection and correct as necessary. 3 Check the connector of M16 for proper drive coupling, and correct as necessary. 4 PS25 I/O check, sensor check. 5 M16 operation check. 6 Change M16. 7 Change FSCB.

• Code: C1183
• Description: Elevate drive malfunction
  <When FS-527 is installed> • During downward movement, the tray 2 upper limit sensor (PS24) is turned OFF and the tray 2 lower limit sensor (PS21) is turned ON. • The elevate motor (M15) lock signal remains set to H for a set period of time while the elevate motor (M15) is turning. • The tray2 upper position switch (SW2) is turned ON even after the set period of time has elapsed while the elevate motor (M15) is energized. • The tray2 lower position switch (SW3) is turned ON even after the set period of time has elapsed while the elevate motor (M15) is energized. <When FS-529 is installed> • When the exit tray is moving up: When the tray up/down motor (M2) starts rotating with the output of the tray lower limit sensor (PS6) being ON, PS6 is not turned OFF even after the set period of time has elapsed. • The paper surface detect sensor/1 (PS2) or the paper surface detect sensor/2 (PS3) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating. • When the exit tray is moving down: The tray lower limit sensor (PS6) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating.
• Troubleshooting Guides: When FS-527 is installed: 1 Check the connector between M15-FSCB PJ4 for proper connection and correct as necessary. 2 Check the connector between PS21-FSCB PJ21 for proper connection and correct as necessary. 3 Check the connector between PS24-FSCB PJ16 for proper connection and correct as necessary. 4 Check the connector between SW2-FSCB PJ3 for proper connection and correct as necessary. 5 Check the connector between SW3-FSCB PJ3 for proper connection and correct as necessary. 6 Check the connector of M15 for proper drive coupling, and correct as necessary. 7 PS21 I/O check, sensor check. 8 PS24 I/O check, sensor check. 9 SW2 I/O check, sensor check. 10 SW3 I/O check, sensor check. 11 M15 operation check. 12 Change M15. 13 Change FSCB.
  When FS-529 is installed: 1 Check the connector between M2-FSCB CN12 for proper connection and correct as necessary. 2 Check the connector between PS6-FSCB CN5 for proper connection and correct as necessary. 3 Check the connector between PS2-FSCB CN4 for proper connection and correct as necessary. 4 Check the connector between PS3-FSCB CN4 for proper connection and correct as necessary. 5 Check the connector of M2 for proper drive coupling, and correct as necessary. 6 PS6 I/O check, sensor check. 7 PS2 I/O check, sensor check. 8 PS3 I/O check, sensor check. 9 M2 operation check. 10 Change M2. 11 Change FSCB.

• Code: C1190
• Description: Alignment plate motor drive malfunction
  <When FS-527 is installed> • The alignment plate home sensor (PS17) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment plate motor (M13) is turned ON.
• Troubleshooting Guides: When FS-527 is installed: 1 Check the connector between M13-FSCB PJ8 for proper connection and correct as necessary. 2 Check the connector between PS17-FSCB PJ17 for proper connection and correct as necessary. 3 Check the connector of M13 for proper drive coupling, and correct as necessary. 4 PS17 I/O check, sensor check. 5 M13 operation check. 6 Change M13. 7 Change FSCB.

• Code: C1190
• Description: Alignment plate R drive malfunction
  <When FS-529 is installed> • The alignment plate home sensor/R (PS9) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/R (M4) is turned ON.
• Troubleshooting Guides: When FS-529 is installed: 1 Check the connector between M4-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS9-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M4 for proper drive coupling, and correct as necessary. 4 PS9 I/O check, sensor check. 5 M4 operation check. 6 Change M4. 7 Change FSCB.

• Code: C1191
• Description: Alignment plate F drive malfunction
  <When FS-529 is installed> • The alignment plate home sensor/F (PS8) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/F (M3) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M3-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS8-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M3 for proper drive coupling, and correct as necessary. 4 PS8 I/O check, sensor check. 5 M3 operation check. 6 Change M3. 7 Change FSCB.

• Code: C1194
• Description: Leading edge stopper motor drive malfunction
  <When FS-527 is installed> • The leading edge stopper home sensor (PS20) is turned neither ON nor OFF even after the set period of time has elapsed after the leading edge stopper motor (M14) is turned ON.
  <When FS-529 is installed> • The leading edge stopper home sensor (PS14) is not turned OFF after the set period of time has elapsed after the stapler motor (M8) is turned ON.
• Troubleshooting Guides: When FS-527 is installed: 1 Check the connector between M14-FSCB PJ8 for proper connection and correct as necessary. 2 Check the connector between PS20-FSCB PJ17 for proper connection and correct as necessary. 3 Check the connector of M14 for proper drive coupling, and correct as necessary. 4 PS20 I/O check, sensor check FSCB PJ17-6 (ON). 5 M14 operation check FSCB PJ8-9 to 12. 6 Change M14. 7 Change FSCB.
  When FS-529 is installed: 1 Check the connector between M8-FSCB CN20 for proper connection and correct as necessary. 2 Check the connector between PS14-FSCB CN8 for proper connection and correct as necessary. 3 Check the connector of M8 for proper drive coupling, and correct as necessary. 4 PS14 I/O check, sensor check FSCB CN8-3 (ON). 5 M8 operation check. 6 Change stapler unit. 7 Change FSCB.

• Code: C11A1
• Description: Tray 2 exit roller pressure/ retraction malfunction
  <When FS-527 is installed> • The exit roller pressure sensor (PS12) is turned neither ON nor OFF even after the set period of time has elapsed after the exit roller retraction motor (M9) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M9-FSCB PJ9 for proper connection and correct as necessary. 2 Check the connector between PS12-FSCB PJ16 for proper connection and correct as necessary. 3 Check the connector of M9 for proper drive coupling, and correct as necessary. 4 PS12 I/O check, sensor check FSCB PJ16-12. 5 M9 operation check FSCB PJ9-5. 6 Change M9. 7 Change FSCB.

• Code: C11A1
• Description: Exit roller pressure/ retraction malfunction
  <When FS-529 is installed> • The pick up roller position sensor (PS12) is turned neither ON nor OFF even after the set period of time has elapsed after the pick up roller position motor (M1) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M9-FSCB CN11 for proper connection and correct as necessary. 2 Check the connector between PS12-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M1 for proper drive coupling, and correct as necessary. 4 PS12 I/O check, sensor check FSCB CN7-9. 5 M1 operation check FSCB CN11-3 to 6. 6 Change M1. 7 Change FSCB.

• Code: C11A2
• Description: Accommodation roller pressure/ retraction malfunction
  <When FS-527 is installed> • The accommodation roller pressure sensor (PS13) is turned neither ON nor OFF even after the set period of time has elapsed after the accommodation roller retraction motor (M10) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M10-FSCB PJ9 for proper connection and correct as necessary. 2 Check the connector between PS13-FSCB PJ16 for proper connection and correct as necessary. 3 Check the connector of M10 for proper drive coupling, and correct as necessary. 4 PS13 I/O check, sensor check FSCB PJ16-15 (ON). 5 M10 operation check FSCB PJ9-8 (REM). 6 Change M10. 7 Change FSCB.

• Code: C11A7
• Description: Tray 3 exit roller pressure/ retraction malfunction
  <When JS-603 is installed> • The tray3 exit roller retraction sensor (PS35) is turned neither ON nor OFF even after the set period of time has elapsed after the tray3 exit roller retraction motor (M17) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M17-FSCB PJ30 for proper connection and correct as necessary. 2 Check the connector between PS35-FSCB PJ12 for proper connection and correct as necessary. 3 Check the connector of M17 for proper drive coupling, and correct as necessary. 4 PS35 I/O check, sensor check FSCB PJ12-6 (ON). 5 M17 operation check FSCB PJ30-2 (REM). 6 Change M17. 7 Change FSCB.

• Code: C11B0
• Description: Stapler movement drive malfunction
  <When FS-527 is installed> • During home position search, neither the stapler home sensor/1 (PS18) nor the stapler home sensor/2 (PS19) is turned ON or OFF even after the set period of time has elapsed after the stapler movement motor (M11) is turned ON. <When FS-529 is installed> • During the home position search, the stapler home sensor (PS11) is not turned ON or OFF even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON.
• Troubleshooting Guides: When FS-527 is installed: 1 Check the connector between M1-FSCB PJ8 for proper connection and correct as necessary. 2 Check the connector between PS18-FSCB PJ17 for proper connection and correct as necessary. 3 Check the connector between PS19-FSCB PJ17 for proper connection and correct as necessary. 4 Check the connector of M11 for proper drive coupling, and correct as necessary. 5 PS18 I/O check, sensor check FSCB PJ17-12. 6 PS19 I/O check, sensor check FSCB PJ17-15. 7 M11 operation check FSCB PJ8-5 to 8. 8 Change M11. 9 Change FSCB.
  When FS-529 is installed: 1 Check the connector between M7-FSCB CN18 for proper connection and correct as necessary. 2 Check the connector between PS11-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M7 for proper drive coupling, and correct as necessary. 4 PS11 I/O check, sensor check FSCB CN7-6. 5 M7 operation check FSCB CN18-1 to 4. 6 Change M7. 7 Change FSCB.

• Code: C11B2
• Description: Staple drive malfunction
  <When FS-527 is installed> • The stapler home sensor is turned neither ON nor OFF even after the set period of time has elapsed after the stapler motor is turned ON. <When FS-529 is installed> • During the initial operation, the stapler home sensor is not turned ON even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON. • The stapler home sensor is not turned ON after the set period of time has elapsed after the stapler motor (M8) is turned ON.
• Troubleshooting Guides: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Change stapler unit. 3 Change FSCB.

• Code: C11B5
• Description: Saddle stapler drive malfunction
  <When FS-527+SD-509 is installed> • The center stapler home sensor is turned neither ON nor OFF even after the set period of time has elapsed after the center stapler motor is turned ON.
• Troubleshooting Guides: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Change saddle stapler unit. 3 Change SDDB. 4 Change FSCB.

• Code: C11C0
• Description: Punch motor drive malfunction
  <When FS-527+PK-517 is installed> • The punch home sensor/1 (PS100) is not turned ON even after the set period of time has elapsed while the punch motor/1 (M100) is energized.
• Troubleshooting Guides: 1 Check the connector between M100-FSCB PJ19 for proper connection and correct as necessary. 2 Check the connector between PS100- FSCB PJ19 for proper connection and correct as necessary. 3 Check the connector of M100 for proper drive coupling, and correct as necessary. 4 PS100 I/O check, sensor check FSCB PJ19-8. 5 M100 operation check. 6 Change M100. 7 Change FSCB.

• Code: C11E0
• Description: Duplex path switching motor drive malfunction
  <When FS-527 is installed> • The duplex path switching sensor (PS3) is turned neither ON nor OFF even after the set period of time has elapsed after the duplex path switching motor (M2) is turned ON.
• Troubleshooting Guides: When FS-527 is installed: 1 Check the connector between M2-FSCB PJ29 for proper connection and correct as necessary. 2 Check the connector between PS3-FSCB PJ11 for proper connection and correct as necessary. 3 Check the connector of M2 for proper drive coupling, and correct as necessary. 4 PS3 I/O check, sensor check FSCB PJ11-6. 5 M2 operation check FSCB PJ29-1 to 3. 6 Change M2. 7 Change FSCB.

• Code: C11E0
• Description: Finisher route change malfunction
  <When JS-505 is installed> • The route change home sensor (PS4) is not blocked after the set period of time has elapsed after the route change motor (M3) is turned ON (start of shifting to the lower tray route.) • The route change home sensor (PS4) is not unblocked after the set period of time has elapsed after the route change motor (M3) is turned ON (start of shifting to the upper tray route.)
• Troubleshooting Guides: When JS-505 is installed: 1 Check the connector between M3-JSCB PJ6 for proper connection and correct as necessary. 2 Check the connector between PS4-JSCB PJ7 for proper connection and correct as necessary. 3 Check the connector of M3 for proper drive coupling, and correct as necessary. 4 PS4 I/O check, sensor check JSCB PJ7-15. 5 M3 operation check JSCB PJ6-1 to 2. 6 Change M3. 7 Change FSCB.

• Code: C11E1
• Description: Upper lower path switching motor drive malfunction
  <When FS-527 is installed> • The upper lower path switching sensor (PS26) is turned neither ON nor OFF even after the set period of time has elapsed after the upper lower path switching motor (M6) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M6-FSCB PJ9 for proper connection and correct as necessary. 2 Check the connector between PS26-FSCB PJ21 for proper connection and correct as necessary. 3 Check the connector of M6 for proper drive coupling, and correct as necessary. 4 PS26 I/O check, sensor check FSCB PJ21-9. 5 M6 operation check FSCB PJ9-1. 6 Change M6. 7 Change FSCB.

• Code: C11E2
• Description: Tray1 path switching motor drive malfunction
  <When FS-527 is installed> • The tray1 path switching home sensor (PS7) is turned neither ON nor OFF even after the set period of time has elapsed after the tray1 path switching motor (M8) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M8-FSCB PJ9 for proper connection and correct as necessary. 2 Check the connector between PS7-FSCB PJ16 for proper connection and correct as necessary. 3 Check the connector of M8 for proper drive coupling, and correct as necessary. 4 PS7 I/O check, sensor check FSCB PJ16-3. 5 M8 operation check FSCB PJ9-4. 6 Change M8. 7 Change FSCB.

• Code: C1301
• Description: Fan motor drive malfunction
  <When FS-529 is installed> • While the motor is rotating, the fan lock signal remains L for the set period of time.
• Troubleshooting Guides: 1 Check the connector between FM1-FSCB CN19 for proper connection and correct as necessary. 2 Check the connector of FM1 for proper drive coupling, and correct as necessary. 3 FM1 operation check FSCB CN19-2 (LOCK). 4 Change FM1. 5 Change FSCB.

• Code: C1402
• Description: FS NVRAM memory error
  <When FS-529 is installed> • When the main power switch is turned ON, malfunctioning of the non-volatile 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 Change FSCB.

• Code: C2152
• Description: Transfer belt pressure welding alienation
  • The transfer belt retraction sensor does not detect “switch from retraction to pressure” within a given period time after transfer belt retraction clutch has stared engagement. • The transfer belt retraction sensor does not detect “switch from pressure to retraction” within a given period time after transfer belt retraction clutch has stared engagement.
• Troubleshooting Guides: 1 Check the connector between M1-PRCB CN14 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 PS39-relay CN124-PRCB CN3 for proper connection and correct as necessary. 4 Check the connector between CL5-relay CN103-PRCB CN24 for proper connection and correct as necessary. 5 PS39 I/O check, sensor check PRCB CN3-15 (ON) 6 CL5 operation check PRCB CN24-4 (ON) 7 M1 operation check PRCB CN14-2 (REM) PRCB CN14-5 (LOCK) C-2 to 5 8 Change M1. 9 PRCB ICP5 conduction check. 10 Change PRCB.

Solve Konica-Minolta bizhub C280 Error codes

• Code: C2164
• Description: PC charge malfunction
  • When electrostatic charge output is ON, electrostatic charge leak detection system continues to detect leaks for a predetermined period of time.
• Troubleshooting Guides: 1 Check the drum unit for proper connection and correct as necessary. 2 Check the HV CN1HV, CN2HV connector for proper connection and correct as necessary. 3 Check the PRCB CN17, CN20 connector for proper connection and correct as necessary. 4 Change drum unit. 5 Change HV. 6 Change PRCB.

• Code: C2253
• Description: Color 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 CN14 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 CN14-8 (REM) PRCB CN14-10 (LOCK) C-2 to 5 4 Change M2. 5 Change PRCB.

• Code: C2254
• Description: Color 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 CN14 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 CN14-8 (REM) PRCB CN14-10 (LOCK) C-2 to 5 4 Change M2. 5 Change PRCB.

• Code: C225D
• Description: Color developing unit de-engagement failure
  • Engagement is not completed in a given period time after the color dev. unit engaged motor has started engagement operation. • De-engagement is not completed in a given period time after the color dev. unit engaged motor has started de-engagement operation.
• Troubleshooting Guides: 1 Check the connector between M10-PRCB CN8 for proper connection and correct as necessary. 2 Check the M10 connector for proper drive coupling and correct as necessary. 3 Check the connector between PS37-PRCB CN8 for proper connection and correct as necessary. 4 Check the connector between CL6-relay CN102-PRCB CN24 for proper connection and correct as necessary. 5 PS37 I/O check, sensor check PRCB CN8-15 (ON). 6 CL6 operation check PRCB CN24-2 (ON). 7 M10 operation check PRCB CN8-16 to 17. 8 Change M10. 9 PRCB ICP5, 7 conduction check. 10 Change PRCB.

• Code: C2355
• Description: Transfer belt cleaner cooling fan 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 FM6-relay CN127-relay CN126-PRCB CN3 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM6 operation check PRCB CN3-17 (REM) PRCB CN3-18 (LOCK). 4 Change FM6. 5 PRCB ICP2 conduction check. 6 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change toner developing unit. 6 Change FREYB. 6 PRCB ICP12 conduction check. 7 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change toner developing unit. 6 Change FREYB. 6 PRCB ICP12 conduction check. 7 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change toner developing unit. 6 Change FREYB. 6 PRCB ICP12 conduction check. 7 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change toner developing unit. 6 Change FREYB. 6 PRCB ICP12 conduction check. 7 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 6 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 7 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Change developing unit. 10 Change FREYB. 11 PRCB ICP3,4 conduction check. 12 Change PRCB.

• Code: C2552
• Description: Abnormally high toner density detected cyan TCR sensor
  • TC ratio in the developing unit which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change developing unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 6 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 7 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Change developing unit. 10 Change FREYB. 11 PRCB ICP3,4 conduction check. 12 Change PRCB.

• Code: C2554
• Description: Abnormally high toner density detected magenta TCR sensor
  • TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change developing unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 6 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 7 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Change developing unit. 10 Change FREYB. 11 PRCB ICP3,4 conduction check. 12 Change PRCB.

• Code: C2556
• Description: Abnormally high toner density detected yellow TCR sensor
  • TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change developing unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 6 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 7 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 8 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 9 Change developing unit. 10 Change FREYB. 11 PRCB ICP3,4 conduction check. 12 Change PRCB.

• Code: C2558
• Description: Abnormally high toner density detected black TCR sensor
  • TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change developing unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change PRCB.

• Code: C2559
• Description: Cyan TCR sensor adjustment failure
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 5 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 6 Change developing unit. 7 Change FREYB. 8 PRCB ICP3,4,12 conduction check. 9 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 5 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 6 Change developing unit. 7 Change FREYB. 8 PRCB ICP3,4,12 conduction check. 9 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 5 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 6 Change developing unit. 7 Change FREYB. 8 PRCB ICP3,4,12 conduction check. 9 Change 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-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 M6, M7 operation check PRCB CN13-12 to 15 (M6) PRCB CN13-16 to 19 (M7) J-21 5 M8, M9 operation check PRCB CN12-9 to 12 (M8) PRCB CN12-13 to 16 (M9) J-10 6 Change developing unit. 7 Change FREYB. 8 PRCB ICP3,4,12 conduction check. 9 Change PRCB.

• Code: C2561
• Description: Cyan TCR sensor failure
  • Alarm signals for a TCR sensor are detected more than the predetermined number of times. This detection is used for detecting disconnection of TCR sensor connector.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change developing unit. 5 Change FREYB. 6 Change PRCB.

• Code: C2562
• Description: Magenta TCR sensor failure
  • Alarm signals for a TCR sensor are detected more than the predetermined number of times. This detection is used for detecting disconnection of TCR sensor connector.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change developing unit. 5 Change FREYB. 6 Change PRCB.

• Code: C2563
• Description: Yellow TCR sensor failure
  • Alarm signals for a TCR sensor are detected more than the predetermined number of times. This detection is used for detecting disconnection of TCR sensor connector.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change developing unit. 5 Change FREYB. 6 Change PRCB.

• Code: C2564
• Description: Black TCR sensor failure
  • Alarm signals for a TCR sensor are detected more than the predetermined number of times. This detection is used for detecting disconnection of TCR sensor connector.
• Troubleshooting Guides: 1 Reinstall developing unit. 2 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 3 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 4 Change developing unit. 5 Change FREYB. 6 Change PRCB.

• Code: C2650
• Description: Main backup media access error
  • Contact the responsible people of KMBT before taking some countermeasures.
• Troubleshooting Guides: 1 Check the connector (CN23) on PRCB, the connector (CN1) on SV ERB, and the harness between the boards for proper connection and correct as necessary. 2 Change PRCB 1. 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.) 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. Make sure that malfunction codes other than C2650 or improper IU/TC placement is not detected. 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 SV ERB. 3 Change SV ERB 1. Replace the current SV ERB with a new one. 2. Turn ON the main power switch and check to see that warm-up is started. (One minute is spent to prepare the new SV ERB for use. During the period, the control panel backlight stays off.) Make sure that malfunction codes other than C2650 or improper IU/TC placement is not detected. 3. Make the specified readjustments. 4 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- FREYB CN5, CN7, CN9, CN11 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change drum unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change 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- FREYB CN5, CN7, CN9, CN11 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change drum unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change 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- FREYB CN5, CN7, CN9, CN11 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change drum unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change PRCB.

• Code: C2A14
• Description: Drum unit/K 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- FREYB CN5, CN7, CN9, CN11 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change drum unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change PRCB.

• Code: C3101
• Description: Fusing roller separation failure
  • With the fusing roller being retracted, the pulse of the encoder sensor does not change even after the specified period of time has passed after the fusing pressure roller retraction motor started rotating. • With the fusing roller being pressed, the encoder pulse sensor does not change even after the specified period of time has passed after the fusing pressure roller retraction motor started rotating. • With the pressure roller being pressed, the fusing pressure roller home sensor did not turn ON (pressed) even after the fusing pressure roller retraction sensor counted up the specified number of pulse after the fusing pressure roller retraction motor started rotating.
• Troubleshooting Guides: 1 Check the connector between M11-PRCB CN3 for proper connection and correct as necessary. 2 Check the connector between PS32-PRCB CN3 for proper connection and correct as necessary. 3 Check the connector between fusing unit- PRCB CN12 for proper connection and correct as necessary. 4 PS32 I/O check, sensor check PRCB CN3-9 (ON) C-13 5 M11 operation check PRCB CN3-5 to 6 C-13. 6 Change M11. 7 Change fusing unit. 8 PRCB ICP6 conduction check. 9 Change 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 CN11 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 CN11-9 (REM) PRCB CN11-12 (LOCK) J-6. 4 Change M3. 5 Change 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 CN11 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 CN11-9 (REM) PRCB CN11-12 (LOCK) J-6. 4 Change M3. 5 Change PRCB.

• Code: C3302
• Description: Fusing cooling fan motor/ 2,3 failure to turn
  • The fan motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector between FM5-relay CN11-relay CN9-PRCB CN9 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM5 operation check PRCB CN9-17 (LOCK) J-12 4 Change FM5. 5 Change PRCB.

• Code: C3421
• Description: Fusing heaters trouble (Heating side)
  • Detected temperature of the heating roller thermistor/C does not go up a given range of temperature even after a lapse of given period of time at warm up. • Detected temperature of the heating roller thermistor/C does not reach to a given temperature even after a lapse of given period of time after warm up is completed.
• 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 6 Change PRCB. 7 Change DCPU.

• Code: C3423
• Description: Fusing heaters trouble (Pressurizing side)
  • Detected temperature of the pressure roller thermistor does not go up a given range of temperature even after a lapse of given period of time at warm up. • Detected temperature of the pressure roller thermistor does not reach to a given temperature even after a lapse of given period of time after warm up is completed.
• 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 6 Change PRCB. 7 Change DCPU.

• Code: C3721
• Description: Fusing abnormally high temperature detection (Center of the heating side)
  • Detected temperature of the heating roller thermistor/C goes beyond a given temperature for a given period of time consecutively. • Detected temperature of the heating roller thermistor/M 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.
• 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3722
• Description: Fusing abnormally high temperature detection (Edge of the heating side)
  • Detected temperature of the heating roller thermistor/S 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3723
• Description: Fusing abnormally high temperature detection (Pressurizing side)
  • Detected temperature of the pressure roller thermistor 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3821
• Description: Fusing abnormally low temperature detection (Heating side)
  • Detected temperature of the heating roller thermistor/C goes below a given temperature for a given period of time consecutively after warm up is completed. • Detected temperature of the heating roller thermistor/M goes below a given temperature for a given period of time consecutively after warm up is completed.
• 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3823
• Description: Fusing abnormally low temperature detection (Pressurizing side)
  • Detected temperature of the pressure roller thermistor goes below a given temperature for a given period of time consecutively after warm up is completed.
• 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3921
• Description: Fusing sensor wire breaks detection (Heating side)
  • The maximum value and minimum value of detected temperature of the heating roller thermistor/C, M and S are compared after a lapse of given time from starting of warm up and the gap between the value of maximum and minimum of either thermistor is below or over a given temperature. • The detected temperature gap between the heating roller thermistor /C and the heating roller thermistor/M surpasses a given 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 right door. 3 Check the fusing unit, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• Code: C3923
• Description: Fusing sensor wire breaks detection (Pressurizing side)
  • The maximum value and minimum value of detected temperature of the pressure roller thermistor are compared after a lapse of given time from starting of warm up and the gap between the value of maximum and minimum is below or over a given temperature. • The pressure heater lights up 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, DCPU and PRCB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change PRCB. 6 Change DCPU.

• 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 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- PHREYB CN6 for proper connection and correct as necessary. 2 Check the connector between PHREYB CN3-PRCB CN26 for proper connection and correct as necessary. 3 Change PH unit. 4 PHREYB ICP1 conduction check. 5 Change PHREYB. 6 Change PRCB.

• Code: C4501
• Description: Laser malfunction
  • SOS signal is not detected even after the lapse of a given period of time after staring 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- PHREYB CN5 for proper connection and correct as necessary. 2 Check the connector between PHREYB CN2-PRCB CN25 for proper connection and correct as necessary. 3 Change PH unit. 4 PRCB ICP12 conduction check. 5 Change PHREYB. 6 Change PRCB.

• 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 CN14 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check PRCB CN14-2 (REM) PRCB CN14-5 (LOCK) C-2 to 5. 4 Change M1. 5 Change 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 CN14 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check PRCB CN14-2 (REM) PRCB CN14-5 (LOCK) C-2 to 5. 4 Change M1. 5 Change 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 motor remains stationary.
• Troubleshooting Guides: 1 Check the connector between FM1-PRCB CN13 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check PRCB CN13-3 (LOCK) J-20 4 Change FM1. 5 PRCB ICP3 conduction check. 6 Change PRCB.

• Code: C5354
• Description: Exhaust fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector between FM3-relay CN88-PRCB CN15 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM3 operation check PRCB CN15-8 (LOCK). 4 Change FM3. 5 Change PRCB.

• Code: C5355
• Description: Cooling fan motor/3’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector between FM2-relay CN18-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 CN13-6 (LOCK). 4 Change FM2. 5 Change PRCB.

• Code: C5370
• Description: MFP control board cooling fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the FM7 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM7 operation check MFPB PJ26-3 (LOCK). 4 Change FM17. 5 Change 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 MFPB PJ20 L-24. 5 Change MFPB.

• Code: C5501
• Description: AC signal abnormality
  • Signal is not detected for a given period of interval when AC frequency is measured with the power switch ON or when fusing heater is turned ON/OFF.
• 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 Change fusing unit. 4 Change PRCB. 5 Change 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 Change PRCB.

• Code: C6102
• Description: Drive system home sensor malfunction
  • The scanner home sensor is unable to detect the scanner located at its home position. • The scanner home sensor 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 detects the scanner when the scanner has moved the maximum travelling distance from the position, at which it blocks the scanner home sensor.
• Troubleshooting Guides: 1 Correct or change the scanner drive (cable, 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- REYB/SCAN PJ5 for proper connection and correct as necessary. 5 Check the connector between PS201- REYB/SCAN PJ8 for proper connection and correct as necessary. 6 Check the connector between REYB/ SCAN PJ2-MFPB PJ14 for proper connection and correct as necessary. 7 PS201 I/O check, sensor check REYB/SCAN PJ8-3 (ON) T-9 8 M201 operation check REYB/SCAN PJ5-1 to 4 T-12. 9 Change REYB/SCAN. 10 Change MFPB.

• Code: C6103
• Description: Slider over running
  • The scanner home sensor detects the scanner at its home position during a period of time that begins with the time when a pre-scan 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 (cable, 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- REYB/SCAN PJ5 for proper connection and correct as necessary. 5 Check the connector between PS201- REYB/SCAN PJ8 for proper connection and correct as necessary. 6 Check the connector between REYB/ SCAN PJ2-MFPB PJ14 for proper connection and correct as necessary. 7 PS201 I/O check, sensor check REYB/SCAN PJ8-3 (ON) T-9 8 M201 operation check REYB/SCAN PJ5-1 to 4 T-12. 9 Change REYB/SCAN. 10 Change MFPB.

• Code: C6704
• Description: Image input time out
  • Image data is not input from the CCD board (CCDB) 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 Change MFPB. 4 Change 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 PJ2- 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. 5 Change CCDB. 6 Change MFPB.

• Code: C6752
• Description: ASIC clock input error (front side)
  • When starting the scanner, verification on reading and writing the predetermined value for image processing ASIC on CCD board was conducted, and verification failure was detected.
• Troubleshooting Guides: 1 Correct the harness connection of CCDB if faulty. 2 Change CCDB. 3 PRCB ICP11 conduction check. 4 Change PRCB. 5 Change MFPB.

• Code: C6753
• Description: ASIC clock input error (back side)
  • When starting the scanner, verification on reading and writing the predetermined value for image processing ASIC on CCD board was conducted, and verification failure was detected.
• Troubleshooting Guides: 1 Correct the harness connection of CCDB if faulty. 2 Change CCDB. 3 PRCB ICP11 conduction check. 4 Change PRCB. 5 Change MFPB.

• Code: C6901
• Description: DSC board mount failure 1
  • When MFP detects that DSC board is not properly installed.
• Troubleshooting Guides: 1 Correct the harness connection of DSC board if faulty. 2 Change DSC board. 3 Change MFPB.

• Code: C6902
• Description: DSC Bus check NG1-1
  • When DSC bus check detects an error.
• Troubleshooting Guides: 1 Correct the harness connection of DSC board if faulty. 2 Change DSC board. 3 Change MFPB.

• Code: C6903
• Description: DSC Bus check NG1-2
• Troubleshooting Guides: 1 Correct the harness connection of DSC board if faulty. 2 Change DSC board. 3 Change MFPB.

• Code: C6F01
• Description: Scanner sequence trouble 1
  • The original transport interval becomes shorter than the designed value due to an original transport control error in original reading in ADF.
• Troubleshooting Guides: 1 Correct the harness connection between main body and ADF if faulty. 2 Change REYB/SCAN. 3 Change DFCB. 4 Change MFPB.

• Code: C8101
• Description: Before reading pressure welding alienation mechanism
  • During a pressure motion being performed, the read roller sensor (PS6) output does not change from H to L. • During a retraction motion being performed, the read roller sensor (PS6) output does not change from L to H.
• Troubleshooting Guides: 1 Check the connector between M4-DFCB PJ6 for proper connection and correct as necessary. 2 Check the connector between PS6-DFCB PJ6 for proper connection and correct as necessary. 3 Check the connector of M4 for proper drive coupling, and correct as necessary. 4 PS6 I/O check, sensor check DFCB PJ6-3 (ON) DF-617 I-4 to 5 5 M4 operation check DFCB PJ6-5 to 6 DF-617 I-4 6 Change M4. 7 DFCB PS3 conduction check. 8 Change FSCB.

• Code: C8102
• Description: Turn around pressure welding alienation trouble
  • During a pressure motion being performed, the reverse roller sensor (PS7) output does not change from H to L. • During a retraction motion being performed, the reverse roller sensor (PS7) output does not change from L to H.
• Troubleshooting Guides: 1 Check the connector between M5-DFCB PJ5 for proper connection and correct as necessary. 2 Check the connector between PS7-REYB PJ3 for proper connection and correct as necessary. 3 Check the connector of M5 for proper drive coupling, and correct as necessary. 4 PS7 I/O check, sensor check REYB PJ3-3 (ON) DF-617 L-7. 5 DFCB F9 conduction check. 6 M5 operation check DFCB PJ5-10 to 13 DF-617 I-5. 7 Change M5. 8 DFCB PS2 conduction check. 9 Change FSCB.

• Code: C8103
• Description: Lift up mechanism trouble (Upward movement)
  • The lift up upper sensor (PS16) is not turned ON after a lapse of a given time after the lift-up motor (M7) moves up (is turned forward).
• Troubleshooting Guides: 1 Check the connector between M7-DFCB PJ5 for proper connection and correct as necessary. 2 Check the connector between PS16-DFCB PJ11 for proper connection and correct as necessary. 3 Check the connector of M7 for proper drive coupling, and correct as necessary. 4 PS16 I/O check, sensor check DFCB PJ11-3 (ON) DF-617 B to C-7. 5 M7 operation check DFCB PJ5-6 to 9 DF-617 I-5. 6 Change M7. 7 Change DFCB.

• Code: C8106
• Description: Lift up mechanism failure (Downward movement)
  • The lift up lower sensor (PS15) is not turned ON after a lapse of a given time after the lift-up motor (M7) goes down (is turned backward).
• Troubleshooting Guides: 1 Check the connector between M7-DFCB PJ5 for proper connection and correct as necessary. 2 Check the connector between PS15-REYB PJ3 for proper connection and correct as necessary. 3 Check the connector of M7 for proper drive coupling, and correct as necessary. 4 PS15 I/O check, sensor check REYB PJ3-6 (ON) DF-617 L-7. 5 DFCB F9 conduction check. 6 M7 operation check DFCB PJ5-6 to 9 DF-617 I-5. 7 Change M7. 8 DFCB PS1 conduction check. 9 Change DFCB.

• Code: C8107
• Description: Glass cleaning mechanism trouble
  • The glass cleaning sensor (PS21) is not turned ON after the set period of time has elapsed after the glass cleaning motor (M9) is turned ON.
• Troubleshooting Guides: 1 Check the connector between M9-DFCB PJ17 for proper connection and correct as necessary. 2 Check the connector between PS21-DFCB PJ17 for proper connection and correct as necessary. 3 Check the connector of M9 for proper drive coupling, and correct as necessary. 4 PS21 I/O check, sensor check DFCB PJ17-7 (ON) DF-617 I-3. 5 M9 operation check DFCB PJ17-1 to 4 DF-617 I-3. 6 Change M9. 7 Change DFCB.

• Code: C8302
• Description: Cooling fan trouble
  • The lock signal continues to detect H during a given time while the cooling fan (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 PJ7 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check DFCB PJ7-1 (ON) DF-617 B to C-4. 4 Change FM1. 5 DFCB F7 conduction check. 6 Change DFCB.

• Code: C8401
• Description: EEPROM failure
  • EEPROM does not access normally
• 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 Change DFCB.

• Code: C9401
• Description: Exposure turning on the lamp trouble detection
  • The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
• Troubleshooting Guides: 1 Check the connection between the lamp harness and the inverter board, and correct if necessary. 2 Check the connector between INVB CN1- REYB/SCAN PJ7 for proper connection and correct as necessary. 3 Check the connector between REYB/ SCAN PJ2-MFPB PJ14 for proper connection and correct as necessary. 4 Check the connector between CCDB PJ2- MFPB PJ01 for proper connection and correct as necessary. 5 Change INVB. 6 Change exposure unit. 7 Change CCDB. 8 Change REYB/SCAN.

• Code: C9402
• Description: Exposure turning on the lamp abnormally detection
  • 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 the lamp harness and the inverter board, and correct if necessary. 2 Check the connector between INVB CN1- REYB/SCAN PJ7 for proper connection and correct as necessary. 3 Check the connector between REYB/ SCAN PJ2-MFPB PJ14 for proper connection and correct as necessary. 4 Check the connector between CCDB PJ2- MFPB PJ01 for proper connection and correct as necessary. 5 Change INVB. 6 Change exposure unit. 7 Change CCDB. 8 Change REYB/SCAN.

• 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 MFP board (MFPB) for proper connection and correct as necessary. 3 Change MFPB

• Code: CA052
• Description: Controller hardware error
  • A controller hardware error is detected in the network I/F.
• 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 MFP board (MFPB) for proper connection and correct as necessary. 3 Change 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 MFP board (MFPB) for proper connection and correct as necessary. 3 Change MFPB

• Code: CB001 … CB119
• Description: FAX board error
• Troubleshooting Guides:

• Code: CC001
• Description: Vendor connection failure
  • It is detected that communications with the vendor are interrupted for a given period of time or more with “Installed” selected for the setting of vendor installation.
• Troubleshooting Guides: 1 Check the connector between vendor CN34-MFPB PJ24 for proper connection and correct as necessary. 2 Change PRCB. 3 Change vendor.

• Code: CC151 … CC165
• Description: ROM contents error
• Troubleshooting Guides:

• Code: CD004 … CD04B
• Description: Hard disk error
• Troubleshooting Guides:

• Code: CE001 … CEEE1
• Description: MFP board (MFPB) is fault
• Troubleshooting Guides:

• Code: CEEE2
• Description: Scanner section malfunction
• Troubleshooting Guides:

• Code: CEEE3
• Description: Printer control board malfunction
• Troubleshooting Guides:

• Code: CFB00 … CFF5E
• Description: ASIC error
  • MFP board (MFPB)
• Troubleshooting Guides:

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