Description: Printer control board malfunction
• Communications with the M/C expansion IO G/A (IC on the printer control board) are not properly carried out.
Remedy: 1 Check the PRCB connector for proper connection and correct as necessary. 2 Change PRCB.
Code: 05
Description: Flash ROM malfunction
• Firmware upgrading has failed.
Remedy: 1 Check the PRCB connector for proper connection and correct as necessary. 2 Change PRCB.RCB.
Code: 08
Description: Main motor malfunction
• The motor lock signal remains HIGH for a predetermined consecutive period of time while the main motor remains energized.
• The motor lock signal remains LOW for a predetermined consecutive period of time while the main motor remains deenergized.
Remedy: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M1 operation check. 5 Change PRCB. 6 Change DCPU.
Code: 0B
Description: Ventilation fan motor malfunction
• The fan motor lock signal remains HIGH for a predetermined consecutive period of time while the ventilation fan motor remains energized.
Remedy: 1 Check the FM2 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 FM2 operation check. 5 Change PRCB. 6 Change DCPU.
Code: 0C
Description: Power supply cooling fan motor malfunction
• The fan motor lock signal remains HIGH for a predetermined consecutive period of time while the power supply cooling fan motor remains energized.
Remedy: 1 Check the FM1 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 FM1 operation check. 5 Change PRCB. 6 Change DCPU.
Code: 0F
Description: Cooling fan motor malfunction Duplex Option