Description: Developing bias correction failure (Error, which cannot be recorded, occurs.)
Causes: 1 Registration mark L PCB ASSY failure. 2 HVPS control PCB failure. 3 High-voltage power supply PCB failure. 4 Main PCB failure.
Remedy: 1 Registration mark L PCB ASSY failure Replace the registration sensor holder ASSY. 2 HVPS control PCB failure Replace the HVPS control PCB ASSY. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.
Code: 14
Description: Developing bias correction failure (Toner life end)
Causes: 1 Main PCB failure.
Remedy: Replace the main PCB ASSY.
Code: 15
Description: Developing bias correction failure (Incorrect measurement value of developing bias correction)
Causes: 1 Registration mark L PCB ASSY failure. 2 HVPS control PCB failure. 3 High-voltage power supply PCB failure. 4 Main PCB failure.
Remedy: 1 Registration mark L PCB ASSY failure Replace the registration sensor holder ASSY. 2 HVPS control PCB failure Replace the HVPS control PCB ASSY. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.
Code: 16
Description: Color registration adjustment failure (Error, which cannot be recorded, occurs.)
Causes: 1 Registration mark L PCB ASSY failure. 2 Main PCB failure.
Remedy: 1 Registration mark L PCB ASSY failure Replace the registration sensor holder ASSY. 2 Main PCB failure Replace the main PCB ASSY.
Code: 17
Description: Color registration adjustment failure (Toner life end)
Causes: 1 Main PCB failure.
Remedy: Replace the main PCB ASSY.
Code: 18
Description: Color registration adjustment failure (Incorrect measurement value of color registration adjustment)
Causes: 1 Registration mark L PCB ASSY failure. 2 HVPS control PCB failure. 3 High-voltage power supply PCB failure. 4 Main PCB failure.
Remedy: 1 Registration mark L PCB ASSY failure Replace the registration sensor holder ASSY. 2 HVPS control PCB failure Replace the HVPS control PCB ASSY. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.