• Code: C5351
• Description: Power supply cooling fan motor/1’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Power supply cooling fan motor/1 (FM9) DC power supply (DCPU) Printer control board (PRCB)
• Remedy: 1 Check the FM9 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM9 operation check DCPU PJ008-3 (LOCK) W-15 to 16 4 Change FM9 - - 5 DCPU F551 conduction check - - 6 Change DCPU - - 7 Change PRCB

• Code: C5354
• Description: Ozone ventilation fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Ozone ventilation fan motor (FM6) Printer control board (PRCB)
• Remedy: 1 Check the FM6 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM6 operation check PRCB CN11-4 (REM) PRCB CN11-6 (LOCK) K-7 4 Change FM6 - - 5 PRCB ICP9 conduction check - - 6 Change MFPB

• Code: C5356
• Description: 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.
• Causes: Cooling fan motor (FM3) Printer control board (PRCB)
• Remedy: 1 Check the FM3 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM3 operation check PRCB CN15-4 (REM) PRCB CN15-6 (LOCK) K-7 to 8 4 Change FM3 - - 5 PRCB ICP6 conduction check - - 6 Change MFPB

• 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.
• Causes: MFP control board cooling fan motor (FM17) Slide Interface board (REYB/SL) MFP board (MFPB)
• Remedy: 1 Check the FM17 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM17 operation check MFPB PJ26-3 (LOCK) O-25 4 Change FM17 - - 5 Change REYB/SL - - 6 Change MFPB

• Code: C5372
• Description: MFP control board CPU temperature failure
  • Temperature failure of CPU on the MFP board was detected.
• Causes: CPU cooling fan motor MFP board (MFPB)
• Remedy: 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 O-25 5 Change MFPB

• Code: C6001
• Description: ADF related configuration error 1
  • Inconsistency in the configuration is detected with the installed ADF.
• Causes: ADF CIS module (CIS) DS image processing board (DSIPB)
• Remedy: 1 Correct the harness connection between CIS and DSIPB if faulty. - - 2 Correct the harness connection between DSIPB and MFPB if faulty. - - 3 Change CIS - - 4 Change DSIPB - - 5 Change MFP

• Code: C6002
• Description: ADF related configuration error 2
  <bizhub C652/C552/C452> • The machine detects an ADF other than DF618. <bizhub C652DS/C552DS> • The machine detects an ADF other than DF619.
• Causes: ADF CIS module (CIS) DS image processing board (DSIPB)
• Remedy: 1 Check the type of the installed ADF and replace it if it is a wrong one. - - 2 Check the cable connection between the machine and the ADF and correct if the connection is faulty.

• 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.
• Causes: Scanner home sensor (PS201) Scanner motor (M201) Scanner relay board (REYB/SCAN) MFP board (MFPB)
• Remedy: 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 PS201, M201, REYB/SCAN and MFPB connector for proper connection and correct as necessary. - - 5 PS201 I/O check, sensor check REYB/SCAN PJ3-5 (ON) P-17 6 M201 operation check REYB/SCAN PJ5-4 to 7 W-19 7 Change REYB/SCAN. - - 8 Change MFPB.