Code :

Code: 04
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: 10
Description: Polygon motor malfunction
• A LOW motor lock signal is not detected even after the lapse of a predetermined period of time after the polygon motor has been started.
• The motor lock signal remains HIGH for a predetermined consecutive period of time while the polygon motor remains energized.
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

Code: 12
Description: Laser malfunction
• The SOS signal is not detected within a predetermined period of time after the output of a laser has been started.
• The SOS signal is never detected in the image area.
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

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