Code :

Code: E0
Description: Program error. (An error occurred in the ROM checksum.)
Causes: 1 Firmware update failure. 2 Main PCB failure
Remedy: 1 Firmware update failure Write the latest firmware. 2 Main PCB failure Replace the main PCB ASSY.

Code: E1
Description: Program error.
Causes: 1 Firmware update failure. 2 Main PCB failure
Remedy: 1 Firmware update failure Upload the latest firmware. 2 Main PCB failure Replace the main PCB ASSY.

Code: E2
Description: When the center thermistor is lower than the idle temperature, it is detected that the side thermistor temperature is higher than 280 °C.
Causes: 1 Heat roller dirty. 2 Harness connection failure between paper eject sensor PCB ASSY and fuser unit. 3 Side thermistor or center thermistor failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
Remedy: 1 Heat roller dirty Clean the heat roller. 2 Harness connection failure between paper eject sensor PCB ASSY and fuser unit Check the harness connection between the paper eject sensor PCB ASSY and fuser unit, and reconnect it. 3 Side thermistor or center thermistor failure Replace the fuser unit. 4 Paper eject sensor PCB failure Replace the paper eject sensor PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

Code: E3
Description: Drum position sensor error.
Causes: 1 Harness connection failure of drum position sensor PCB ASSY. 2 Phase displacement of drum gear. 3 Drum position sensor failure. 4 Engine PCB failure
Remedy: 1 Harness connection failure of drum position sensor PCB ASSY Check the harness connection of the drum position sensor PCB ASSY and reconnect it. 2 Phase displacement of drum gear Align the drum phase. (Refer to “6. IF YOU REPLACE THE DRUM DRIVE MOTOR“ in Chapter 4.) 3 Drum position sensor failure Replace the drum position sensor PCB ASSY. 4 Engine PCB failure Replace the engine PCB ASSY.

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