[SOLVED] Quick fix Konica-Minolta Pro 920 list error codes

– Compatible Printer model: Konica-Minolta bizhub Pro 920
– Konica-Minolta bizhub Pro 920 Error Codes with quick guides:

Code: SC13-01
Description: An abnormal speed signal of the paper feed motor (M4) is checked. An error detection signal is detected twice in succession a specified period of time after M4 was turned ON (the first signal is ignored).
Causes: Paper feed motor (M4) Printer control board (PRCB)

Code: SC13-02
Description: An abnormal speed signal of the paper feed motor (M101) is checked. An error detection signal is detected twice in succession a specified period of time after M101 was turned ON (the first signal is ignored).
Causes: Paper feed motor (M101) LU drive board (LUDB)

Code: SC18-10
Description: The locking of the paper lift motor /1 (M19) is detected. An error detection signal of M19 is detected while M19 is ON.
Causes: Paper lift motor /1 (M19) Printer control board (PRCB) Upper limit sensor /1 (PS20) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 1

Code: SC18-11#
Description: When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting operation. And at this time, an error detection signal (24V cut off) is detected.
Causes: Paper lift motor /1 (M19) Printer control board (PRCB) Upper limit sensor /1 (PS20) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 1

Code: SC18-12#
Description: When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting operation. And at this time, an error detection signal (blowout of ICP) is detected.
Causes: Paper lift motor /1 (M19) Printer control board (PRCB) Upper limit sensor /1 (PS20) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 1

Code: SC18-13#
Description: When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting operation. And at this time, an error detection signal is not detected.
Causes: Paper lift motor /1 (M19) Printer control board (PRCB) Upper limit sensor /1 (PS20) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 1

Code: SC18-20
Description: The locking of the paper lift motor /2 (M20) is detected. When M20 is ON, an error detection signal of the M20 is detected.
Causes: Paper lift motor /2 (M20) Printer control board (PRCB) Upper limit sensor /2 (PS21) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 2

Code: SC18-21#
Description: When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal (24V cut off) is detected.
Causes: Paper lift motor /2 (M20) Printer control board (PRCB) Upper limit sensor /2 (PS21) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 2

Code: SC18-22#
Description: When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal (blowout of ICP) is detected.
Causes: Paper lift motor /2 (M20) Printer control board (PRCB) Upper limit sensor /2 (PS21) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 2

Code: SC18-23#
Description: When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal is not detected.
Causes: Paper lift motor /2 (M20) Printer control board (PRCB) Upper limit sensor /2 (PS21) DC power supply /2 (DCPS2) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 2

Code: SC18-30
Description: The locking of the paper lift motor /3 (M21) is detected. When M21 is ON, an error detection signal of the M21 is detected.
Causes: Paper lift motor /3 (M21) Printer control board (PRCB) Upper limit sensor /3 (PS22) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 3

Code: SC18-31#
Description: When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal (24V cut off) is detected.
Causes: Paper lift motor /3 (M21) Printer control board (PRCB) Upper limit sensor /3 (PS22) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 3

Code: SC18-32#
Description: When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal (blowout of ICP) is detected.
Causes: Paper lift motor /3 (M21) Printer control board (PRCB) Upper limit sensor /3 (PS22) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 3

Code: SC18-33#
Description: When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal is not detected.
Causes: Paper lift motor /3 (M21) Printer control board (PRCB) Upper limit sensor /3 (PS22) Loose connection Tray rear end restriction plate misaligned Paper improperly loaded Tray 3

Code: SC18-40
Description: The locking of the paper lift motor (M100) is detected. When the paper lift motor (M100) is ON, an error detection signal of M100 is detected in succession for 1 second.
Causes: Paper lift motor (M100) DC power supply /2 (DCPS2) LU drive board (LUDB) Lower limit sensor (PS101) Upper limit sensor (PS109) Loose connection

Code: SC18-41#
Description: When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal (24V cut off) is detected.
Causes: Paper lift motor (M100) DC power supply /2 (DCPS2) LU drive board (LUDB) Lower limit sensor (PS101) Upper limit sensor (PS109) Loose connection

Code: SC18-42#
Description: When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal (blowout of ICP) is detected.
Causes: Paper lift motor (M100) DC power supply /2 (DCPS2) LU drive board (LUDB) Lower limit sensor (PS101) Upper limit sensor (PS109) Loose connection

Code: SC18-43#
Description: When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal is not detected.
Causes: Paper lift motor (M100) LU drive board (LUDB) Lower limit sensor (PS101) Upper limit sensor (PS109) Loose connection

Code: SC18-51#
Description: When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal (24V cut off) is detected.
Causes: Bypass tray lift motor (M22) Printer control board (PRCB) Upper limit sensor /Bypass (PS23) Lower limit sensor /Bypass (PS43) DC power supply /2 (DCPS2) Loose connection

Code: SC18-52#
Description: When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal (blowout of ICP) is detected.
Causes: Bypass tray lift motor (M22) Printer control board (PRCB) Upper limit sensor /Bypass (PS23) Lower limit sensor /Bypass (PS43) DC power supply /2 (DCPS2) Loose connection

Code: SC18-53#
Description: When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal is not detected.
Causes: Bypass tray lift motor (M22) Printer control board (PRCB) Upper limit sensor /Bypass (PS23) Lower limit sensor /Bypass (PS43) DC power supply /2 (DCPS2) Loose connection

Code: SC21-01
Description: • When the charge cleaning home sensor (PS41) is OFF with the main power switch (SW1) ON, PS41 does not turn ON within a specified period of time after the charge cleaning motor (M23) turns ON for home position research operation (return operation). At this time, an error detection signal (blowout of ICP) is not detected. • PS41 does not turn OFF within a specified period of time after the reverse operation (return operation) is started. At this time, an error detection signal (blowout of ICP) is not detected. • It is checked that the time for the M23 operations is over. The charge cleaning limit sensor (PS42) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS41 being OFF. Or, PS41 does not turn ON within a specified period of time after PS42 turns ON. At this time, an error detection signal (blowout of ICP) is not detected.
Causes: Charge cleaning motor (M23) Printer control board (PRCB) Charge cleaning home sensor (PS41) Charge cleaning limit sensor (PS42) Wiring harness broken Loose connection

Code: SC21-02
Description: • The blowout of ICP for the charge cleaning motor (M23) in the printer control board (PRCB) is checked. When the charge cleaning home sensor (PS41) is OFF with the main power switch (SW1) ON, PS41 does not turn ON within a specified period of time after the M23 turns ON for home position research operation (return operation). And at this time, an error detection signal (blowout of ICP) is detected. • PS41 does not turn OFF within a specified period of time after the reverse operation (return operation) is started. And at this time, an error detection signal (blowout of ICP) is detected. • The charge cleaning limit sensor (PS42) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS41 being OFF. Or, PS41 does not turn ON within a specified period of time after PS42 turns ON. At this time, an error detection signal (blowout of ICP) is detected.
Causes: Charge cleaning motor (M23) Printer control board (PRCB) Charge cleaning home sensor (PS41) Charge cleaning limit sensor (PS42) Wiring harness broken Loose connection

Code: SC21-03
Description: The locking of the charge cleaning motor (M23) is detected. A motor lock signal is detected while moving from the charge cleaning limit sensor (PS42) side to the charge cleaning home sensor (PS41) side, and after a retry operation, a fifth motor lock signal is detected.
Causes: Charge cleaning motor (M23) Printer control board (PRCB) Charge cleaning home sensor (PS41) Charge cleaning limit sensor (M23) Charging/cleaning member

Code: SC21-04
Description: • It is checked that the operations of the transfer/separation cleaning motor (M18) are over. When the transfer/separation cleaning home sensor (PS11) is OFF with the main power switch (SW1) ON, PS11 does not turn ON within a specified period of time after the M18 turns ON for a home position research operation (return operation). At this time, an error detection signal (blowout of ICP) is not detected. • PS11 does not turn OFF within a specified period of time after the reverse operation (return operation) is started. At this time, an error detection signal (blowout of ICP) is not detected. • It is checked that the operations of the M18 are over. The transfer/separation cleaning limit sensor (PS12) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS11 being OFF. Or, PS11 does not turn ON within a specified period of time after PS12 turns ON. At this time, an error detection signal (blowout of ICP) is not detected.
Causes: Transfer/separation cleaning motor (M18) ADU drive board (ADUDB) Transfer/separation cleaning home sensor (PS11) Transfer/separation cleaning limit sensor (PS12) Wiring harness broken Loose connection

Code: SC21-06
Description: The locking of the transfer/separation cleaning motor (M18) is detected. Motor lock signals are detected while moving from the transfer/ separation limit sensor (PS12) side to the transfer/separation home sensor (PS11) side, and after a retry operation, a fifth motor lock signal is detected.
Causes: Transfer/separation cleaning motor (M18) ADU drive board (ADUDB) Transfer/separation cleaning home sensor (PS11) Transfer/separation cleaning limit sensor (PS12) Transfer/separation cleaning member

Code: SC23-01
Description: The speed error signal of the toner bottle motor (M15) is checked. An error detection signal is detected twice in succession a specified period of time after M15 turns ON (the first signal is ignored).
Causes: Toner bottle motor (M15) Printer control board (PRCB)

Code: SC23-02
Description: The speed error signal of the developing motor (M3) is checked. Since an error detection signal is detected a second after M3 turns ON, turn OFF M3 for a specified period of time. Then, an error detection signal is detected again a specified period of time after it is turned ON again.
Causes: Developing motor (M3) Printer control board (PRCB)

Code: SC23-03
Description: The locking of the blade motor (M14) is detected. The error detection signal (over current) of M14 is detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-04
Description: It is checked that the movement of the blade motor (M14) is not completed, and the 24V power source is also checked. The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a specified period of time after M2 turns OFF. At this time, an error detection signal (24V cut out) is detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-05
Description: The blowout of ICP for the blade motor (M14) in the printer control board (PRCB) is checked. The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a specified period of time after M2 turns OFF. At this time, the error detection signal (blowout of ICP) of M14 is detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-06
Description: It is checked that the movement of the blade motor (M14) is not completed. The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a specified period of time after M2 turns OFF. At this time, an error detection signal is not detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-07
Description: It is checked that the movement of the blade motor (M14) is not completed, and 24V power source is also checked. The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY signal (READY release condition) cannot be detected within a specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal (24V cut off) is detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-08
Description: The blowout of ICP for the blade motor (M14) in the printer control board (PRCB) is checked. The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY signal (READY release condition) cannot be detected within a specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal (blowout of ICP) of M14 is detected.
Causes: Drum motor (M2) Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) DC power supply /2 (DCPS2) Wiring harness broken Loose connection

Code: SC23-09
Description: It is checked that the movement of the blade motor (M14) is not completed. The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY signal (READY release condition) cannot be detected within a specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal is not detected.
Causes: Blade motor (M14) Printer control board (PRCB) Blade sensor /1 (PS30) Blade sensor /2 (PS31) Wiring harness broken Loose connection

Code: SC23-10
Description: It is checked that the drum motor (M2) does not start. The drum READY2 signal (READY signal) is not detected within a specified period of time after M2 turns ON.
Causes: Drum motor (M2) Printer control board (PRCB) Loose connection

Code: SC23-11
Description: The blowout of ICP for the toner supply motor (M11) in the printer control board (PRCB) is checked. An error detection signal (blowout of ICP) is detected when M11 turns ON.
Causes: Toner supply motor (M11) Wiring harness broken

Code: SC23-21
Description: When the recycle pump motor (M24) is turned ON, an error detection signal is detected twice in a row within a specified period of time. (An error detection signal on the first time is ignored.)
Causes: Recycle pump motor (M24) Recycle pump drive board (RCDB)

Code: SC24-01
Description: The temperature of the drum temperature sensor (TH5) detected a specified period of time after the main power switch (SW1) is turned ON is -3°C or lower, and also, the drum temperature after a specified period of time is -3°C or lower.
Causes: Printer control board (PRCB) Drum temperature sensor (TH5)

Code: SC24-02
Description: When the main power switch (SW1) turns ON with the fusing temperature below 50°C, the detected temperature of the drum temperature sensor (TH5) is more than 52°C, and when the detected temperature is above 52°C after a specified period of time.
Causes: Printer control board (PRCB) Drum temperature sensor (TH5)

Code: SC24-03
Description: The erase lamp (EL) is unconnected.
Causes: Erase lamp (EL) Loose connection

Code: SC28-01
Description: A charge leak is detected. After a charge error detection signal is detected while in the charge ON, up to 5 charge ON/OFF operations occur in succession.
Causes: High voltage unit /1 (HV1) Charging/power feeding contact

Quick fix Konica-Minolta Pro 920 list error codes

Solve Konica-Minolta bizhub Pro 920 Error codes

Code: SC28-02
Description: A transfer leak is detected. After a transfer error detection signal is detected while in the transfer ON, up to 5 transfer ON/OFF operations occur in succession.
Causes: High voltage unit /2 (HV2) Transfer/separation charger Power feeding contact

Code: SC28-03
Description: A separation leak is detected. After a separation error detection signal is detected while in the separation ON, up to 5 separation ON/OFF operations occur in succession.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) High voltage unit /2 (HV2) Transfer/separation charger Power feeding contact ADU drive board (ADUDB) Wiring harness broken

Code: SC28-04
Description: The error detection signal (blowout of a 24V ICP) of the high voltage unit /2 (HV2) is detected.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) High voltage unit /2 (HV2) Transfer/separation charger Power feeding contact ADU drive board (ADUDB) Wiring harness broken

Code: SC29-01
Description: The dirt correction of the sensor is not completed. While in the maximum density correction, the dirt correction of the IDC sensor (IDCS) is not sufficient. When this condition is detected 10 times in succession, the error code is displayed.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) High voltage unit /2 (HV2) Transfer/separation charger Power feeding contact ADU drive board (ADUDB) Wiring harness broken

Code: SC29-02#
Description: The maximum density correction is not completed. While in the maximum density correction, the number of rotations of the developing roller gets to the maximum.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-03#
Description: The IDC sensor (IDCS) output abnormality. While in the maximum density correction, a patch for control is not output. (No output is made from the IDCS.)
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-04
Description: The dirt correction of the sensor is not completed. While in gamma correction, the dirt correction of the PGC sensor (PGCS) is not sufficient. When SC29-4 or SC29-7 is detected ten times in succession, this error code is displayed.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-05#
Description: The PGC sensor (PGCS) output abnormality. While in the gamma correction, a patch for control is not output. (No output is made from the PGCS.)
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-06#
Description: The gamma correction data is defective. The gamma correction output is abnormal. A regression error when carrying out a gamma curve operation while in the gamma correction.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-07
Description: The dirt correction of the sensor is not completed. While in the dot diameter correction, the dirt correction of the PGC sensor (PGCS) is not sufficient. When SC29-4 or SC29-7 is detected ten times in succession, this error code is displayed.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-08#
Description: Correction abnormality. While in the dot diameter correction, the correction is terminated with an abnormal value.
Causes: Toner control sensor board (TCSB) Printer control board (PRCB) Developing motor (M3) Write unit Overall control board (OACB)

Code: SC29-09
Description: Drum potential sensor (DPS) output abnormality. While in the 0V check of the DPS, more than 100V of the drum surface potential is detected more than 5 times. When this condition is detected 5 times in succession, the error code is displayed.
Causes: Drum potential sensor board (DPSB) Printer control board (PRCB) Drum potential sensor (DPS) Loose connection

Code: SC29-10
Description: Drum potential sensor (DPS) output abnormality. While in the drum potential correction, a patch for control is not output with the V1 getting to more than 350V. When this condition is detected 5 times in succession, the error code is displayed.
Causes: Drum potential sensor board (DPSB) Printer control board (PRCB) Drum potential sensor (DPS) Loose connection

Code: SC29-11
Description: The data is defective. While in the drum potential correction, no convergence is obtained even after correction is made more than 10 times. When this condition is detected 5 times in succession, the error code is displayed.
Causes: Drum potential sensor board (DPSB) Printer control board (PRCB) Drum potential sensor (DPS) Loose connection

Code: SC29-12#
Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the transfer current.
Causes: High voltage unit /1 (HV1) High voltage unit /2 (HV2) Printer control board (PRCB) ADU drive board (ADUDB)

Code: SC29-13#
Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the separation (AC) current.
Causes: High voltage unit /1 (HV1) High voltage unit /2 (HV2) Printer control board (PRCB) ADU drive board (ADUDB)

Code: SC29-14#
Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the separation (DC) current.
Causes: High voltage unit /1 (HV1) High voltage unit /2 (HV2) Printer control board (PRCB) ADU drive board (ADUDB)

Code: SC29-15#
Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the developing bias.
Causes: High voltage unit /1 (HV1) High voltage unit /2 (HV2) Printer control board (PRCB) ADU drive board (ADUDB)

Code: SC32-01
Description: The rotation of the conveyance suction fan (FM2) is checked, and the 24V power source is also checked. An abnormal FM2 EM signal condition occurs a specified period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: AC drive board (ACDB) Conveyance suction fan (FM2) DC power supply /2 (DCPS2) Wiring harness earth fault Loose connection

Code: SC32-02
Description: The blowout of ICP for the conveyance suction fan (FM2) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM2 EM signal a specified period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM2 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: AC drive board (ACDB) Conveyance suction fan (FM2) DC power supply /2 (DCPS2) Wiring harness earth fault Loose connection

Code: SC32-03
Description: The rotation of the conveyance suction fan (FM2) is checked. An abnormal condition occurs with the FM2 EM signal a specified period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM2 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.
Causes: AC drive board (ACDB) Conveyance suction fan (FM2) DC power supply /2 (DCPS2) Wiring harness earth fault Loose connection

Code: SC32-04
Description: The rotation of the fusing fan (FM1) is checked, and the 24V power source is also checked. An abnormal condition occurs with the FM1 EM signal a specified period of time after FM1 is turned ON. This abnormal condition recurs even a specified period of time after FM1 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: ADU drive board (ADUDB) Fusing fan (FM1) DC power supply /2 (DCPS2) Loose connection

Code: SC32-06
Description: The rotation of the fusing fan (FM1) is checked. An abnormal condition occurs with the FM1 EM signal a specified period of time after FM1 is turned ON. This abnormal condition recurs even a specified period of time after FM1 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.
Causes: ADU drive board (ADUDB) Fusing fan (FM1) DC power supply /2 (DCPS2) Loose connection

Code: SC32-07#
Description: When the print is completed, the fusing fan (FM1) EM signal gets into an abnormal condition.
Causes: ADU drive board (ADUDB) Fusing fan (FM1) DC power supply /2 (DCPS2) Loose connection

Code: SC33-01
Description: Registration motor (M12) speed abnormality. A specified period of time after M12 turns ON, an error detection signal is detected twice in a row. (An error detection signal on the first time is ignored.)
Causes: Registration motor (M12) Loose connection

Code: SC33-05
Description: The blowout of ICP for the web motor (M16) in the printer control board (PRCB) is checked, and the 24V power source is also checked. When M16 turn ON from OFF, error detection signals (blowout of ICP and the 24V cut off) are detected.
Causes: DC power supply /2 (DCPS2) Printer control board (PRCB)

Code: SC33-06
Description: The blowout of ICP for the web motor (M16) in the printer control board (PRCB) is checked. When M16 turns ON from OFF, the blowout of ICP abnormality is detected with a 24V down signal normal.
Causes: Web motor (M16) Printer control board (PRCB) AC drive board (ACDB)

Code: SC34-01
Description: Thermistor /1 (TH1) high temperature detection (software). TH1 detects a temperature of 210°C or above 5 times in a specified period of time.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /3 (TH3)

Code: SC34-02
Description: Thermistor /3 (TH3) high temperature detection (software). TH3 detects a temperature of 230°C or above 5 times in a specified period of time.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /3 (TH3)

Code: SC34-03
Description: Thermistor /1 (TH1) high temperature detection (hardware). An abnormal condition is detected with the fusing error detection signal 1.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /3 (TH3)

Code: SC34-04
Description: Thermistor /3 (TH3) high temperature detection (hardware). An abnormal condition is detected with the fusing error detection signal 4.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC35-01
Description: Thermistor /1 (TH1) low temperature detection (software). TH1 does not get to 50°C when a specified period of time elapses after the main power switch (SW1) is turned ON for the fusing ON control.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC35-02
Description: Thermistor /3 (TH3) low temperature detection (software). TH3 does not get to 50°C when a specified period of time elapses after the main power switch (SW1) is turned ON for the fusing ON control.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-01
Description: Thermistor /1 (TH1) high temperature detection (long time/software). TH1 detects a temperature of 200°C or above 30 times in a row in a specified period of time.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-02
Description: Thermistor /3 (TH3) high temperature detection (long time/software). TH3 detects a temperature of 220°C or above 30 times in a row in a specified period of time.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-03
Description: Thermistor /1 (TH1) low temperature detection (hardware). The output voltage of the TH1 is detected as a low temperature abnormality (-6°C or lower) in the comparator circuit.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-04
Description: Thermistor /3 (TH3) low temperature detection (hardware). The output voltage of the TH3 is detected as a low temperature (- 6°C or lower) in the comparator circuit.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-05
Description: Thermistor /2 (TH2) low abnormality detection (hardware). The output voltage of the TH2 is detected as a low temperature (- 6°C or lower) or high temperature (240.5°Cor higher) abnormality in the comparator circuit.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC36-06
Description: Thermistor /4 (TH4) low abnormality detection (hardware). The output voltage of the TH4 is detected as a low temperature (- 6°C or lower) or high temperature (240.5°Cor higher) abnormality in the comparator circuit.
Causes: Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp /1 (L2) Fusing heater lamp /2 (L3) Fusing heater lamp /3 (L4) Thermistor /1 (TH1) Thermistor /2 (TH2) Thermistor /3 (TH3) Thermistor /4 (TH4)

Code: SC41-01
Description: The scanner home sensor (PS51) does not turn ON within a specified period of time after the home position search is started.
Causes: Scanner drive board (SDB) Scanner motor (M13) Scanner home sensor (PS5) DC power supply /2 (DCPS2) Wiring harness earth fault Loose connection

Code: SC41-02
Description: When the speed of the polygon motor (M17) is being switched, a speed lock signal is not detected within a specified period of time.
Causes: Scanner drive board (SDB) Polygon motor drive board (PMDB) Polygon motor (M17)

Code: SC42-01
Description: The rotation of the scanner cooling fan (FM7) is checked, and 24V power source is also checked. An abnormal condition occurs with the FM7 EM signal a specified period of time after FM7 turns ON. This abnormal condition recurs even a specified period of time after FM7 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: Scanner drive board (SDB) Scanner cooling fan (FM7) DC power supply /2 (DCPS2) Wiring harness earth fault Loose connection

Code: SC42-04
Description: The rotation of the write unit cooling fan /1 (FM5) is checked, and 24V power source is also checked. An abnormal condition occurs with the FM5 EM signal a specified period of time after FM5, the write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: Write unit cooling fan /1 (FM5) Overall control board (OACB) DC power supply /2 (DCPS2) AC drive board (ACDB) Wiring harness earth fault

Code: SC42-05
Description: The blowout of ICP for the write unit cooling fan /1 (FM5) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM5 EM signal a specified period of time after FM5, the write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: Write unit cooling fan /1 (FM5) Overall control board (OACB) DC power supply /2 (DCPS2) AC drive board (ACDB) Wiring harness earth fault

Code: SC42-06
Description: The rotation of the write unit cooling fan /1 (FM5) is checked. An abnormal condition occurs with the FM5 EM signal a specified period of time after FM5 and write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
Causes: Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) AC drive board (ACDB) Wiring harness earth fault Loose connection

Code: SC42-07
Description: When the print is started, an error detection signal of the writing section cooling fan /1 (FM5) is detected.
Causes: Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) AC drive board (ACDB) Wiring harness earth fault Loose connection

Code: SC42-08
Description: The rotation of the write unit cooling fan /2 (FM8) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM8 EM signal a specified period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) Cooling fan /4 (FM12) Wiring harness earth fault Loose connection

Code: SC42-09
Description: The blowout of ICP for the write unit cooling fan /2 (FM8) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM8 EM signal a specified period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) Cooling fan /4 (FM12) Wiring harness earth fault Loose connection

Code: SC42-10
Description: The rotation of the write unit cooling fan /3 (FM8) is checked. An abnormal condition occurs with the FM8 EM signal a specified period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) Cooling fan /4 (FM12) Wiring harness earth fault Loose connection

Code: SC42-11
Description: When the print is started, an error detection signal of the writing section cooling fan /2 (FM8) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Write unit cooling fan /1 (FM5) Write unit cooling fan /2 (FM8) Cooling fan /4 (FM12) Wiring harness earth fault Loose connection

Code: SC42-12
Description: The rotation of the cooling fan /4 (FM12) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM12 EM signal a specified period of time after FM12 turns ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Cooling fan /4 (FM12) Wiring harness broken Loose connection

Code: SC42-13
Description: The blowout of ICP for the cooling fan /4 (FM12) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM12 EM signal a specified period of time after FM12 turns ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Cooling fan /4 (FM12) Wiring harness broken Loose connection

Code: SC42-14
Description: Rotation of the cooling fan /4 (FM12) is checked. An abnormal condition occurs with the FM12 EM signal a specified period of time after FM12 turns ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Cooling fan /4 (FM12) Wiring harness broken Loose connection

Code: SC42-16
Description: The rotation of the polygon cooling fan (FM9) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM9 EM signal a specified period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Polygon cooling fan (FM9) Wiring harness broken Loose connection

Code: SC42-17
Description: The blowout of ICP for the polygon cooling fan (FM9) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM9 EM signal a specified period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Polygon cooling fan (FM9) Wiring harness broken Loose connection

Code: SC42-18
Description: The rotation of the polygon cooling fan (FM9) is checked. An abnormal condition occurs with the FM9 EM signal a specified period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Polygon cooling fan (FM9) Wiring harness broken Loose connection

Code: SC42-19#
Description: When the print is started, an error detection signal of the polygon cooling fan (FM9) is detected.
Causes: DC power supply /2 (DCPS2) AC drive board (ACDB) Polygon cooling fan (FM9) Wiring harness broken Loose connection

Code: SC42-20
Description: Power supply cooling fan /1 (FM19) and /2 (FM20) rotation check. A specified period of time after FM19 and FM20 turn ON, the FM19 EM signal and the FM20 EM signal get into an abnormal condition at the same time. And both the signals show an abnormal condition at the same time a specified period of time after they are turned ON again after being turned OFF, and also, no error detection signal (24V cut off/ blowout of a fuse) is detected).
Causes: DC power supply /1 (DCPS1) Power supply cooling fan /1 (FM19) Power supply cooling fan /2 (FM20) Wiring harness broken Loose connection

Code: SC42-21
Description: Paper exit cooling fan /Lw1 (FM13) and /Lw2 (FM14) rotation check. A specified period of time after FM13 and FM14 turn on, the FM13 EM signal and the FM14 EM signal get into an abnormal condition at the same time. And both the signals show an abnormal condition at the same time a specified period of time after they are turned on again after being turned off, and also, no error detection signal (24V cut off/ blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) Printer control board (PRCB) Paper exit cooling fan /Lw1 (FM13) Paper exit cooling fan /Lw2 (FM14)

Code: SC42-22
Description: Paper exit cooling fan /Up1 (FM15) and /Up2 (FM17) rotation check. A specified period of time after FM15 and FM17 turn on, the FM15 EM signal and the FM17 EM signal get into an abnormal condition at the same time. And both the signals show an abnormal condition at the same time a specified period of time after they are turned on again after being turned off, and also, no error detection signal (24V cut off/ blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) Printer control board (PRCB) Paper exit cooling fan /Up1 (FM15) Paper exit cooling fan /Up2 (FM17)

Code: SC46-01
Description: While in the image write, APC is not applicable for the correction of the sub scan beam. Due to the 12V DC power for the laser drive not supplied, the MPC being wrong and the laser defective, the laser does not light up. Also, due to the rotation of the polygon mirror unavailable, the displacement of the index sensor, and the index sensor being defective, the index sensor cannot detect the laser.
Causes: Writing section Power connector of the overall control board (OACB)

Code: SC46-02
Description: FIFO address abnormality for the scanner. While in the image read, the compression of image data that is read in is not correctly terminated.
Causes: Overall control board (OACB) (Gate array damaged)

Code: SC46-03
Description: FIFO address abnormality for the printer. While in the image write, the expansion processing of image data that is read in is not correctly terminated.
Causes: Overall control board (OACB) (Gate array damaged)

Code: SC46-05
Description: An error interrupt occurs with the compression/expansion chip FIFO.
Causes: Overall control board (OACB) (Gate array damaged)

Code: SC46-06
Description: Elongation abnormality.
Causes: Overall control board (OACB) (Gate array damaged)

Code: SC46-08
Description: While in the execution of APC, no change is found in the output of the index sensor.
Causes: Writing section Power connector of the overall control board (OACB)

Code: SC46-12
Description: After negation of SVV, the compression of images that are read in and their development into the page memory are not terminated within a specified period of time.
Causes: Overall control board (OACB)

Code: SC46-13
Description: While in the image read, the compression processing from the scanner into the memory does not terminate within a specified period of time. The development from the scanner into the page memory does not terminate within a specified period of time. The SVV is not detected within a specified period of time.
Causes: Printer control board (PRCB) Overall control board (OACB) RADF

Code: SC46-14
Description: While in the image write, the expansion processing from the memory to the printer does not terminate within a specified period of time. The output from the page memory to the printer does not terminate within a specified period of time. The PVV is not detected within a specified period of time.
Causes: Printer control board (PRCB) Overall control board (OACB)

Code: SC46-15
Description: When writing images, in spite of no resource provided, an inappropriate processing such as an access to the elongation device is made.
Causes: Overall control board (OACB) OACB program

Code: SC46-16
Description: When reading images, in spite of no resource provided, an inappropriate processing such as an access to the compression device is made.
Causes: Overall control board (OACB) OACB program

Code: SC46-17
Description: When processing images, a filter coefficient cannot be created normally.
Causes: Overall control board (OACB) OACB program

Code: SC46-19
Description: When accessing to the memory device, a defective software is detected.
Causes: Overall control board (OACB) OACB program

Code: SC46-21
Description: The expansion processing from the memory to the page memory is not terminated within a specified period of time. The compression processing from the page memory to the memory is not terminated within a specified period of time. The development from the memory into the page memory is not terminated within a specified period of time. The transmission of the compressed data from memory to memory is not terminated within a specified period of time.
Causes: Printer control board (PRCB) Overall control board (OACB) OACB program

Code: SC46-23
Description: While in the image read, SVV does not turn OFF within a specified period of time and the preparation for scanning the next page cannot be started.
Causes: Overall control board (OACB)

Code: SC46-24
Description: Shading correction abnormality (GA abnormality).
Causes: Overall control board (OACB) OACB program

Code: SC46-25
Description: AOC/AGC adjustment abnormality. • The light blocking cover at the read section and the lens cover are removed. • The connector of the CCD board is disconnected. • The power cable of the CCD board is unplugged. • The ICP of the CCD board is cut off. • The light volume of the exposure lamp is excessive. • The exposure lamp does not light up.
Causes: CCD board (CCDB) Exposure lamp (L1)

Code: SC46-26#
Description: The adjustment data evacuated by resolutions is not available.
Causes: Overall control board (OACB)

Code: SC46-27#
Description: A density conversion gamma curve cannot be created normally.
Causes: Overall control board (OACB)

Code: SC46-29
Description: Calibration start abnormality
Causes: Overall control board (OACB) OACB program

Code: SC46-30
Description: Calibration completion abnormality.
Causes: Overall control board (OACB) OACB program

Code: SC46-31
Description: Despite of the MPC not being terminated, the initial sampling of the APC is attempted.
Causes: Overall control board (OACB) OACB program

Code: SC46-32
Description: While executing the APC, the execution of the MPC is attempted.
Causes: Overall control board (OACB) OACB program

Code: SC46-34
Description: When a clock for the image write is abnormal, the sub scan beam interval is attempted to be corrected.
Causes: Overall control board (OACB) OACB program

Code: SC46-35
Description: Sequentially shot page area abnormality. Due to an image area abnormality on the memory, images cannot be developed on the memory.
Causes: Overall control board (OACB) OACB program

Code: SC46-36
Description: The PVV is turned ON before the initial APC start processing is completed.
Causes: Polygon motor (M17) Overall control board (OACB) OACB program Printer control board (PRCB) PRCB program

Code: SC46-40
Description: HDD /1 (HDD1) initialization abnormality. The HDD1 is defective, or the connector is poorly connected.
Causes: Overall control board (OACB) OACB program HDD /1 (HDD1)

Code: SC46-41
Description: The JOB information cannot be stored on the HDD /1 (HDD1).
Causes: Overall control board (OACB) OACB program HDD /1 (HDD1)

Code: SC46-42
Description: When hard disk /1 (HDD1) JOB auto deletion is being executed, a route cannot be opened.
Causes: Overall control board (OACB) OACB program HDD /1 (HDD1)

Code: SC46-43
Description: HDD /1 (HDD1) access defective. The HDD1 is defective or the connector is poorly connected.
Causes: Overall control board (OACB) OACB program HDD /1 (HDD1)

Code: SC46-61#
Description: The scan operation starts before the original skew adjustment is terminated. (The skew adjustment is too late.)
Causes: DF control board (DFCB) Original skew sensor /Rr (PS311) Original skew sensor /Fr (PS312)

Code: SC46-62#
Description: The print operation starts before the paper mis-centering adjustment is terminated. (The mis-centering adjustment is too late.)
Causes: Centering sensor (PS1)

Code: SC46-63#
Description: The AGC is retried due to the decreased light volume of the exposure lamp. However, no error occurs.
Causes: Exposure lamp (L1)

Code: SC46-64#
Description: A PWM gamma curve is not created properly.
Causes: Toner control sensor board (TCSB)

Code: SC46-65#
Description: Due to the paper skew correction amount being in excess of the permissible limit, the print is made with the leading edge shifted.
Causes: Overall control board (OACB)

Code: SC46-80
Description: The message queue is insufficient or destroyed.
Causes: Overall control board (OACB)

Code: SC46-81
Description: The parameter value is in excess of the permissible limits.
Causes: Overall control board (OACB)

Code: SC46-82
Description: The ID of the task that sends the message queue is undefined.
Causes: Overall control board (OACB)

Code: SC46-83
Description: The receiving event of the message is undefined.
Causes: Overall control board (OACB)

Code: SC46-90
Description: Memory access abnormality.
Causes: Overall control board (OACB)

Code: SC46-91
Description: Header readout address abnormality.
Causes: Overall control board (OACB)

Code: SC49-01
Description: The communication from IC-203 to the overall control board (OACB) is blocked.
Causes: VI

Code: SC49-03
Description: DMA abnormality.
Causes:

Code: SC49-04
Description: HDD /2 (HDD2) abnormality.
Causes: HDD /2 (HDD2)

Code: SC49-05
Description: IC cooling fan (FM21) abnormality.
Causes: IC cooling fan (FM21)

Code: SC49-06
Description: FATAL error.
Causes:

Code: SC49-07
Description: The CF card in IC-203 is different from the program version of the hard disk /2 (HDD2).
Causes: IC-203

Code: SC49-08
Description: While in the security ON, the unlock of the hard disk /2 (HDD2) results in failure. (Due to the mismatch of the password)
Causes: Formatted HDD /2 (HDD2)

Code: SC49-09
Description: While in the security ON, an unlocked HDD is connected.
Causes: Formatted HDD /2 (HDD2)

Code: SC49-10
Description: An unformatted HDD /2 (HDD2) is detected.
Causes: HDD /2 (HDD2)

Code: SC50-01
Description: I/O initial communication check in the printer control board (PRCB). Main body drive serial input abnormality 1. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-02
Description: Main body drive serial input abnormality 2. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-03
Description: Main body drive serial input abnormality 3. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-04
Description: Main body drive serial input abnormality 4. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
Causes: Printer control board (PRCB)

Code: SC50-05
Description: Communication error check between the printer engine system boards. Drive communication reception error detection abnormality. A reception error interruption occurs while in the drive board serial data reception. Or, due to the occurrence of the data checksum error /ID information error, a retransmission request is made three times and an error is detected on the 4th time.
Causes: Printer control board (PRCB) Each of the drive boards Loose connection

Code: SC50-10
Description: Initial communication check between OACB/PRCB. Overall control board (OACB) communication connection abnormality. An initial data reception is not made from the OACB within a specified period of time after the power is turned on.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC50-11
Description: Communication error check between OACB/PRCB. Overall control board (OACB) communication serial reception error detection abnormality.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC52-01
Description: The rotation of the cooling fan /1 (FM3) and /2 (FM4) are checked and +24V power source is also checked. An abnormal condition occurs with the FM3 and FM4 EM signal a specified period of time after FM3 and FM4 turns ON. This abnormal condition recurs even a specified period of time after FM3 and FM4 are turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: AC drive board (ACDB) Cooling fan /1 (FM3) Cooling fan /2 (FM4) DC power supply /2 (DCPS2)

Code: SC52-02
Description: Rotation of the cooling fan /1 (FM3) and /2 (FM4) are checked. An abnormal condition occurs with the FM3 and FM4 EM signal a specified period of time after FM3 and FM4 turns ON. This abnormal condition recurs even a specified period of time after FM3 and FM4 are turned OFF and then turned ON, and an error detection signal (24V cut off) is not detected.
Causes: AC drive board (ACDB) Printer control board (PRCB) Cooling fan /1 (FM3) Cooling fan /2 (FM4) Loose connection

Code: SC52-03#
Description: The blowout of ICP for the cooling fan /1 (FM3) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM3 EM signal a specified period of time after FM3 turns ON. This abnormal condition recurs even a specified period of time after FM3 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: AC drive board (ACDB) Cooling fan /1 (FM3) Wiring harness earth fault

Code: SC52-04#
Description: Rotation of the cooling fan /1 (FM3) is checked. An abnormal condition occurs with the FM3 EM signal a specified period of time after FM3 turns ON. This abnormal condition recurs even a specified period of time after FM3 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is not detected.
Causes: AC drive board (ACDB) Cooling fan /1 (FM3) Loose connection

Code: SC52-05#
Description: The blowout of ICP for the cooling fan /2 (FM4) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM4 EM signal a specified period of time after FM4 turns ON. This abnormal condition recurs even a specified period of time after FM4 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: AC drive board (ACDB) Cooling fan /2 (FM4) Wiring harness earth fault

Code: SC52-06#
Description: Rotation of the cooling fan /2 (FM4) is checked. An abnormal condition occurs with the FM4 EM signal a specified period of time after FM4 turns ON. This abnormal condition recurs even a specified period of time after FM4 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is not detected.
Causes: AC drive board (ACDB) Cooling fan /2 (FM4) Wiring harness earth fault

Code: SC52-07
Description: The rotation of the cooling fan /3 (FM6) is checked and +24V power source is also checked. An abnormal condition occurs with the FM6 EM signal a specified period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
Causes: AC drive board (ACDB) Cooling fan /3 (FM6) Wiring harness earth fault Loose connection DC power supply /2 (DCPS2)

Code: SC52-08
Description: The blowout of ICP for the cooling fan /3 (FM6) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM6 EM signal a specified period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
Causes: AC drive board (ACDB) Cooling fan /3 (FM6) Wiring harness earth fault Loose connection DC power supply /2 (DCPS2)

Code: SC52-09
Description: Rotation of the cooling fan /3 (FM6) is checked. An abnormal condition occurs with the FM6 EM signal a specified period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
Causes: AC drive board (ACDB) Cooling fan /3 (FM6) Wiring harness earth fault Loose connection DC power supply /2 (DCPS2)

Code: SC52-10
Description: When the print is started, an error detection signal of the cooling fan /1 (FM3) or the cooling fan /2 (FM4) is detected.
Causes: AC drive board (ACDB) Cooling fan /1 (FM3) Cooling fan /2 (FM4)

Code: SC52-11
Description: When the print is started, an error detection signal of the cooling fan /3 (FM6) is detected.
Causes: AC drive board (ACDB) Cooling fan /3 (FM6)

Code: SC53-01
Description: A speed error signal of the fusing motor (M1) is checked. An error detection signal is detected twice in succession a specified period of time after M1 turns ON. (The first signal is ignored.)
Causes: Fusing motor (M1)

Code: SC53-02#
Description: The 24V power source for the total counter (TCT) is checked. When TCT is turned ON from OFF, an error detection signal (blowout of ICP/24V cut off) is detected.
Causes: AC drive board (ACDB) Total counter (TCT) DC power supply /2 (DCPS2) Key counter (KCT) Main relay (RL1)

Code: SC53-03#
Description: The blowout of ICP for TC in the AC drive board (ACDB) is checked. When the total counter (TCT) is turned ON from OFF, an error detection signal (blowout of ICP) is detected. However, an error detection signal (24V cut off) is not detected.
Causes: AC drive board (ACDB) Total counter (TCT) DC power supply /2 (DCPS2) Key counter (KCT) Main relay (RL1)

Code: SC53-04#
Description: The 24V power source for the key counter (KCT) is checked. When KCT is turned ON from OFF, an error detection signal (blowout of ICP/24V cut off) is detected.
Causes: AC drive board (ACDB) Total counter (TCT) DC power supply /2 (DCPS2) Key counter (KCT) Main relay (RL1)

Code: SC53-05#
Description: The blowout of ICP for KCT in the AC drive board (ACDB) is checked. When the key counter (KCT) is turned ON from OFF, an error detection signal (blowout of ICP) is detected. However, an error detection signal (24V cut off) is not detected.
Causes: AC drive board (ACDB) Total counter (TCT) DC power supply /2 (DCPS2) Key counter (KCT) Main relay (RL1)

Code: SC53-06
Description: The blowout of a 12V ICP for the AC drive board (ACDB) is checked. In the serial initial communication, a signal of the blowout of a 12V ICP (AC drive) is detected.
Causes: Printer control board (PRCB) AC drive board (ACDB) DC power supply /1 (DCPS1) Loose connection

Code: SC53-07
Description: The blowout of a 5V ICP for the AC drive board (ACDB) is checked. In the serial initial communication, a signal of the blowout of a 5V ICP (AC drive) is detected.
Causes: Printer control board (PRCB) AC drive board (ACDB) DC power supply /1 (DCPS1) Loose connection

Code: SC53-08
Description: The 12V power source in the printer control board (PRCB) is checked. An error detection signal of the 12V in PRCB is detected.
Causes: Printer control board (PRCB) AC drive board (ACDB) DC power supply /1 (DCPS1) Loose connection

Code: SC53-11
Description: The 24V power source for the SD/CL in the printer control board (PRCB) is checked. At the start, an error detection signal (blowout of ICP for the solenoid/clutch) is detected, and an error detection signal (24V cut off) is also detected.
Causes: Each of the solenoids Each of the clutches Printer control board (PRCB) Wiring harness earth fault

Code: SC53-12
Description: The blowout of ICP for the SD/CL in the printer control board (PRCB) is checked. At the start, an error detection signal (blowout of ICP for the solenoid/clutch) is detected. However, an error detection signal (24V cut off) is not detected.
Causes: Each of the solenoids Each of the clutches Printer control board (PRCB) Wiring harness earth fault

Code: SC60-01
Description: Although the main body sends out data according to the data retransmission request made by the DF, a retransmission request signal is received again.
Causes: Overall control board (OACB) DF control board (DFCB) Communication system cable

Code: SC60-02
Description: When a checksum error or an SRGA reception error was detected while in the reception in serial communication, a signal was sent to make a request for sending data again. And when data is being received upon this request, a checksum error or an SRGA reception error is detected again.
Causes: Overall control board (OACB) DF control board (DFCB) Communication system cable

Code: SC60-03
Description: When the main power switch (SW1) is ON, there is no response to the initial communication request from the main body to the DF even after a specified period of time elapses.
Causes: DF control board (DFCB)

Code: SC60-11
Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the DF control program.
Causes: DF control board (DFCB) DF program

Code: SC67-01
Description: Original registration sensor (PS306) abnormality.
Causes: Original registration sensor (PS306)

Code: SC67-02
Description: Original conveyance sensor (PS308) abnormality.
Causes: Original conveyance sensor (PS308)

Code: SC67-03
Description: Original reverse sensor (PS309) abnormality.
Causes: Original reverse sensor (PS309)

Code: SC67-04
Description: Non-volatile memory error.
Causes: DF control board (DFCB)

Code: SC67-05
Description: Cooling fan (FM301) abnormality.
Causes: Cooling fan (FM301)

Code: SC67-06
Description: Reverse jam sensor (PS304) abnormality.
Causes: Reverse jam sensor (PS304)

Code: SC67-07
Description: Original reverse/exit sensor (PS313) abnormality.
Causes: Original reverse/exit sensor (PS313)

Code: SC67-08
Description: Tray up/down motor (M303) abnormality.
Causes: Tray up/down motor (M303)

Code: SC70-01
Description: Communication error.
Causes: FS control board (FSCB) connector

Code: SC70-02
Description: Start-up response error.
Causes: FS control board (FSCB) connector

Code: SC77-01
Description: The shift unit does not get to the shift position or the HP within a specified period of time.
Causes: FS control board (FSCB) Shift roller motor (M2) Shift roller home sensor (PS18)

Code: SC77-02
Description: After start-up of the main tray up/ down motor (M3) operation, the main tray upper limit sensor (PS2) or the stapler paper exit upper limit sensor (PS7) does not turn ON within a specified period of time.
Causes: FS control board (FSCB) Main tray lift motor (M3) Main tray upper limit sensor (PS2) Stapler paper exit upper limit sensor (PS7)

Code: SC77-03
Description: After start-up of the alignment motor /Up (M5) operation, the alignment home sensor /Up (PS8) does not turn OFF within a specified period of time. Or, it does not turn ON after being turned OFF.
Causes: FS control board (FSCB) Relay board (RB) Alignment motor /Up (M5) Alignment home sensor /Up (PS8)

Code: SC77-04
Description: After start-up of the paper exit roller motor (M7) operation, a predetermined speed is not obtained within a specified period of time.
Causes: FS control board (FSCB) Paper exit roller motor (M7)

Code: SC77-05
Description: After start-up of the paper exit opening motor (M8) operation, the open/close operation is not completed within a specified period of time. (The paper exit opening home sensor (PS12) does not turn ON or OFF.)
Causes: FS control board (FSCB) Paper exit motor (M8) Paper exit home sensor (PS12)

Code: SC77-06
Description: After start-up of the stapler movement motor (M11) operation, the stapler movement home sensor (PS11) does not turn OFF. Or, it does not turn ON after being turned OFF.
Causes: FS control board (FSCB) Stapler movement motor (M11) Relay board (RB) Stapler movement home sensor (PS11)

Code: SC77-07
Description: Stapler rotation motor (M6) abnormality.
Causes: FS control board (FSCB) Relay board (RB) Stapler rotation motor (M6)

Code: SC77-08
Description: Stapler /Rr rotation abnormality (FS-604 only)
Causes: FS control board (FSCB) Relay board (RB) Stapler rotation home sensor (PS13)

Code: SC77-11
Description: The stapler motor home sensor / Fr (PS31) does not turn ON within a specified period of time after the stapler motor /Fr (M14) starts operations. (FS-509) Within a specified period of time after the start-up of the clincher motor /Fr (M15) or stapler motor / Fr (M14) operation, the clincher home sensor /Fr (PS33) or the stapler home sensor /Fr (PS31) does not turn ON. (FS-604)
Causes: FS control board (FSCB) Relay board (RB) Clincher motor /Fr (M15) Stapler motor /Fr (M14) Clincher home sensor /Fr (PS33) Stapler home sensor /Fr (PS31)

Code: SC77-12
Description: The stapler motor home sensor / Rr (PS30) does not turn ON within a specified period of time after the stapler motor /Rr (M10) starts operations. (FS-509) Within a specified period of time after the start-up of the clincher motor /Rr (M10) or stapler motor / Rr (M9) operation, the clincher home sensor /Rr (PS32) or the stapler home sensor /Rr (PS30) does not turn ON. (FS-604)
Causes: FS control board (FSCB) Relay board (RB) Clincher motor /Rr (M10) Stapler motor /Rr (M9) Clincher home sensor /Rr (PS32) Stapler home sensor /Rr (PS30)

Code: SC77-15
Description: Within a specified period of time after the start-up of the FS conveyance motor (M1) operation, the motor does not get to the predetermined speed.
Causes: FS control board (FSCB) FS conveyance motor (M1)

Code: SC77-21
Description: After the saddle stitching stopper motor (M18) starts the home position detection operation, the saddle stitching stopper home sensor (PS23) does not turn ON within a specified period of time. (FS-604 only)
Causes: FS control board (FSCB) Relay board (RB) Saddle stitching stopper motor (M18) Saddle stitching stopper home sensor (PS23)

Code: SC77-22
Description: After the alignment motor /Lw (M16) starts the home position detection operation, the alignment plate home sensor /Lw (PS24) does not turn ON within a specified period of time. (FS-604 only)
Causes: FS control board (FSCB) Relay board (RB) Alignment motor /Lw (M16) Alignment home sensor /Lw (PS24)

Code: SC77-25
Description: After the folding blade motor (M19) starts the home position detection operation, the folding blade home sensor /Lw (PS22) does not turn ON within a specified period of time. (FS-604 only)
Causes: FS control board (FSCB) Folding blade motor (M19) Folding blade home sensor (PS22)

Code: SC77-26
Description: After start-up of the folding conveyance motor (M20) operation, the M20 does not get to the predetermined speed within a specified period of time. (FS-604 only)
Causes: FS control board (FSCB) Folding transfer motor (M20)

Code: SC77-31
Description: After start-up of the conveyance motor (M101) operation, the M101 does not get to the predetermined speed within a specified period of time.
Causes: TU drive board (TUDB) Conveyance motor (M101)

Code: SC77-32
Description: After the blade motor (M102) starts the home position detection operation, the blade home switch (MS101) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Blade motor (M102) Blade home switch (MS101)

Code: SC77-33
Description: After the stopper motor (M103) starts the home position detection operation, the stopper home sensor (PS103) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Stopper motor (M103) Stopper home sensor (PS103)

Code: SC77-34
Description: After the stopper release motor (M104) starts the home position detection operation, the stopper release home sensor (PS104) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Stopper release motor (M104) Stopper release home sensor (PS104)

Code: SC77-35
Description: After the press motor (M105) starts the home position detection operation, the press home sensor (PS105) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Press motor (M105) Press home sensor (PS105)

Code: SC77-36
Description: After the pusher motor (M107) starts the home position detection operation, the pusher home sensor (PS112) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Pusher motor (M107) Pusher home sensor (PS112)

Code: SC77-37
Description: After the holder motor (M106) starts the home position detection operation, the upper limit sensor (PS110) does not turn ON within a specified period of time.
Causes: TU drive board (TUDB) Holder motor (M106) Upper limit sensor (PS110)

Code: SC77-41
Description: After start-up of the tray lift motor /Lw (M202) operation, the tray lower limit sensor /Lw (PS210) does not turn ON within a specified period of time.
Causes: FS control board (FSCB) PI drive board (PIDB) Tray lift motor /Lw (M202) Tray lower limit sensor /Lw (PS210)

Code: SC77-42
Description: After start-up of the tray lift motor /Up (M201) operation, the tray upper limit sensor /Up (PS204) does not turn ON within a specified period of time.
Causes: FS control board (FSCB) PI drive board (PIDB) Tray lift motor /Up (M201) Tray upper limit sensor /Up (PS204)

Code: SC77-43
Description: After the conveyance motor (M203) turns ON, the M203 does not get to the predetermined speed within a specified period of time.
Causes: FS control board (FSCB) PI drive board (PIDB) Conveyance motor (M203)

Code: SC77-44
Description: After the punch shift motor (M802) starts the home position search, the punch shift home sensor (PS803) does not turn ON even when a specified period of time elapses.
Causes: FS control board (FSCB) Punch drive board (PDB)

Code: SC77-47
Description: Communication abnormality between FS-PK.
Causes: FS control board (FSCB) Punch drive board (PDB)

Code: SC77-52
Description: After the 1st stopper motor (M2) starts the home position search, the 1st stopper home sensor (PS3) does not turn ON even when a specified period of time elapses.
Causes: ZU control board (ZUCB) 1st stopper motor (M2) 1st stopper home sensor (PS3)

Code: SC77-53
Description: After the 2nd stopper motor (M3) starts the home position search, the 2nd stopper home sensor (PS4) does not turn ON even when a specified period of time elapses.
Causes: ZU control board (ZUCB) 2nd stopper motor (M3) 2nd stopper home sensor (PS4)

Code: SC77-54
Description: After the punch clutch (CL1) turns on, the punch operation is not completed even when a specified period of time elapses. (The home punch sensor (PS6) does not turn OFF, or does not turn ON after being turned OFF.)
Causes: ZU control board (ZUCB) Punch motor (M4) Punch clutch (CL1) Punch home sensor (PS6)

Code: SC77-55
Description: After the punch shift motor (M5) starts the home position search, the punch shift home sensor (PS5) does not turn ON even when a specified period of time elapses.
Causes: ZU control board (ZUCB) Punch shift motor (M5) Punch shift home sensor (PS5)

Code: SC77-56
Description: A specified period of time after the conveyance motor cooling fan (M10) is turned on, the EM signal of the M10 gets into an abnormal condition. Even after three trials with the M10 turned OFF, an abnormal condition still recurs.
Causes: ZU control board (ZUCB) Conveyance motor cooling fan (M10)

Code: SC77-57
Description: After the punch motor (M4) turns on, the punch operation is not completed even when a specified period of time elapses. (The punch home sensor (PS6) does not turn OFF, or it does not turn ON after being turned OFF.)
Causes: ZU control board (ZUCB) Punch motor (M4) Punch clutch (CL1) Punch home sensor (PS6)

Code: SC77-58
Description: After the punch switching motor (M8) starts the home position search, the punch switching switch (MS2) does not turn ON even when a specified period of time elapses.
Causes: ZU control board (ZUCB) Punch switchover motor (M8) Punch switchover switch (MS2)

Code: SC77-81
Description: After the gate motor (M12) starts the home position search, the gate home sensor (PS16) does not turn ON even when a specified period of time elapses.
Causes: FS control board (FSCB) Gate motor (M12) Gate home sensor (PS16)

Code: SC77-91
Description: Communication error when the sub CPU in the FS control board (FSCB) is receiving data.
Causes: FS control board (FSCB)

Code: SC77-92
Description: Communication error when the main CPU in the FS control board (FSCB) is receiving data.
Causes: FS control board (FSCB)

Code: SC77-98
Description: When the FS is started, an unwritten flash ROM is detected.
Causes: FS control board (FSCB)

Code: SC80-01
Description: Initial communication error between OACB/PRCB. When the main power switch (SW1) is turned ON, a response from the printer control board (PRCB) is not received even after a specified period of time elapses.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC80-02
Description: Communication error between OACB/PRCB.
Causes: Printer control board (PRCB) Overall control board (OACB) Loose connection

Code: SC80-03
Description: Communication error between OACB/OB1.
Causes: Overall control board (OACB) Operation board /1 (OB1) Loose connection

Code: SC80-11
Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the printer control program.
Causes: S and CA program

Code: SC80-21
Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the IC-203 program.
Causes: IC-203 program

Code: SC80-30
Description: While in the data transmission by the ISW, a formal header information cannot be received within a specified period of time.
Causes: Printer cable Parallel port on PC

Code: SC80-31
Description: While in the data transmission by the ISW, a checksum error or header error is detected with the download data.
Causes: Printer cable Program file corruption

Code: SC80-32
Description: When ISW transfers data, the data is not written into the flash ROM correctly.
Causes: Printer cable The board to which the data is transferred.

Code: SC80-40
Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the FS control program.
Causes: FS control program

Code: SC80-45
Description: When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the IC program.
Causes: IC program

Code: SC90-01
Description: Initial communication check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 1. Within a specified period of time after the ACK at the time of the main power switch (SW1) being turned ON, a serial data from ID = 0 of the ADUDB is not received.
Causes: ADU drive board (ADUDB) Printer control board (PRCB) Loose connection

Code: SC90-02
Description: Communication error check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 1. Within a specified period of time after the ACK at the time of the main power switch (SW1) being turned ON, a serial data from ID = 7 of ADUDB is not received.
Causes: ADU drive board (ADUDB) Printer control board (PRCB) Loose connection

Code: SC93-01
Description: 12V ICP blowout in the ADU drive board (ADUDB). A -5V ICP blowout signal and blowout of a 12V ICP signal are detected for the serial initial communication.
Causes: ADU drive board (ADUDB) Printer control board (PRCB) Loose connection

Code: SC93-05
Description: 24V power source check. At the start of operation, an error detection signal (solenoid/blowout of clutch ICP) is detected, and also an error detection signal (24V cut off) is detected.
Causes: Each of the solenoids Each of the clutches DC power supply /2 (DCPS2) Loose connection Wiring harness earth fault ADU drive board (ADUDB)

Code: SC93-06
Description: At the start of operation, an error detection signal (solenoid/blowout of clutch ICP) is detected. However, an error detection signal (24V cut off) is not detected.
Causes: Each of the solenoids Each of the clutches DC power supply /2 (DCPS2) Loose connection Wiring harness earth fault ADU drive board (ADUDB)

Code: SC95-01
Description: A specified period of time after the ADU cooling fan /1 (FM10), /2 (FM11) turns on, the F10/11 signal gets into an abnormal condition. This abnormal condition still recurs a specified period of time after it is turned ON again after being turned OFF, and also an error detection signal (24V cut off) is detected.
Causes: DC power supply /2 (DCPS2) ADU drive board (ADUDB) ADU cooling fan /1 (FM10) ADU cooling fan /2 (FM11) Wiring harness earth fault Loose connection

Code: SC95-03
Description: ADU cooling fan /1 (FM10), /2 (FM11) rotation check. A specified period of time after the FM10, FM11 turns ON, the FM10/11 signal gets into an abnormal condition. This abnormal condition still recurs a specified period of time after it is turned ON again after being turned OFF, and also an error detection signal (24V cut off/blowout of ICP) is not detected.
Causes: DC power supply /2 (DCPS2) ADU drive board (ADUDB) ADU cooling fan /1 (FM10) ADU cooling fan /2 (FM11) Wiring harness earth fault Loose connection

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[SOLVED] Quick fix Konica-Minolta Pro 920 list error codes