Code :

Code: 3A
Description: Engine PCB transfer error
Causes: 1 Main PCB failure
Remedy: 1 Harness connection failure of engine PCB ASSY Check the harness connection between the main PCB ASSY and engine PCB ASSY, and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 40
Description: HVPS PCB error in operating
Causes: 1 Dirt on drum unit electrodes. 2 Harness connection failure of high-voltage power supply PCB ASSY. 3 HVPS control PCB failure. 4 High-voltage power supply PCB failure. 5 Engine PCB failure. 6 Main PCB failure.
Remedy: 1 Dirt on drum unit electrodes Clean the electrodes of the drum unit and main body. (Refer to Fig. 3-3 (P3-32) and Fig. 3-6 (P3-33).) 2 Harness connection failure of high-voltage power supply PCB ASSY Check the harness connection between the high-voltage power supply PCB ASSY and engine PCB ASSY, and the one between the high-voltage power supply PCB ASSY and main PCB ASSY. Then, reconnect them. 3 HVPS control PCB failure Replace the HVPS control PCB ASSY. 4 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 5 Engine PCB failure Replace the engine PCB ASSY. 6 Main PCB failure Replace the main PCB ASSY.

Code: 42
Description: HVPS control PCB transfer error
Causes: 1 Harness connection failure of high-voltage power supply PCB ASSY. 2 Harness connection failure of HVPS control PCB ASSY. 3 HVPS control PCB failure. 4 High-voltage power supply PCB failure. 5 Main PCB failure.
Remedy: 1 Harness connection failure of high-voltage power supply PCB ASSY Check the harness connection between the high-voltage power supply PCB ASSY and HVPS control PCB ASSY, and reconnect it. 2 Harness connection failure of HVPS control PCB ASSY Check the harness connection between the HVPS control PCB ASSY and main PCB ASSY, and reconnect it. 3 HVPS control PCB failure Replace the HVPS control PCB ASSY. 4 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

Code: 43
Description: Main/Engine ASIC transfer error
Causes: 1 Harness connection failure between the main PCB ASSY and engine PCB ASSY. 2 Engine PCB failure. 3 Main PCB failure.
Remedy: 1 Harness connection failure between the main PCB ASSY and engine PCB ASSY Check the harness connection between the main PCB ASSY and engine PCB ASSY, and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 44
Description: No toner cartridge (K)
Causes: 1 Harness connection failure of toner/new sensor PCB ASSY. 2 Engine PCB failure. 3 Main PCB failure. 4 Toner/new sensor PCB failure.
Remedy: 1 Harness connection failure of toner/new sensor PCB ASSY Check the harness connection of the toner/new sensor PCB ASSY and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY. 4 Toner/new sensor PCB failure Replace the toner/new sensor PCB ASSY.

Code: 45
Description: No toner cartridge (Y)
Causes: 1 Harness connection failure of toner/new sensor PCB ASSY. 2 Engine PCB failure. 3 Main PCB failure. 4 Toner/new sensor PCB failure.
Remedy: 1 Harness connection failure of toner/new sensor PCB ASSY Check the harness connection of the toner/new sensor PCB ASSY and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY. 4 Toner/new sensor PCB failure Replace the toner/new sensor PCB ASSY.