Description: An error occurred in the ROM check sum.
Causes: 1 Main PCB failure
Remedy: Replace the main PCB ASSY.
Code: E100
Description: Program error
Causes: 1 Firmware install failure. 2 Main PCB failure.
Remedy: 1 Firmware install failure Install the latest firmware. 2 Main PCB failure Replace the main PCB ASSY.
Code: E200
Description: When the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor detected a temperature higher than the specified temperature.
Causes: 1 Connection failure of the side thermistor harness of the fuser unit. 2 Connection failure of the eject sensor PCB harness. 3 Eject sensor PCB failure. 4 Fuser unit failure. 5 Main PCB failure.
Remedy: 1 Connection failure of the side thermistor harness of the fuser unit Check the connection of the side thermistor harness of the fuser unit, and reconnect it if necessary. 2 Connection failure of the eject sensor PCB harness Check the connection of the eject sensor PCB harness, and reconnect it if necessary. 3 Eject sensor PCB failure Refer to "1.3.10 Check sensor operation (function code: 32)" in Chapter 5 to check the sensor operation. If the sensor operation is faulty, replace the eject sensor PCB ASSY. 4 Fuser unit failure Replace the fuser unit. 5 Main PCB failure Replace the main PCB ASSY.
Code: E600
Description: Write error in the EEPROM of the main PCB
Causes: 1 Main PCB failure.
Remedy: Replace the main PCB ASSY.
Code: EC00
Description: Detected a main fan failure.
Causes: 1 Connection failure of the main fan harness. 2 Connection failure of the toner LED PCB harness. 3 Main fan failure. 4 Toner LED PCB failure. 5 Main PCB failure.
Remedy: 1 Connection failure of the main fan harness Check the connection of the main fan harness, and reconnect it if necessary. 2 Connection failure of the toner LED PCB harness Check the connection of the toner LED PCB harness, and reconnect it if necessary. 3 Main fan failure Replace the main fan. 4 Toner LED PCB failure Refer to "1.3.10 Check sensor operation (function code: 32)" in Chapter 5 to check the sensor operation. If the sensor operation is faulty, replace the toner LED PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.
Code: ED00
Description: Communication between the wireless LAN PCB and the main PCB cannot be established at machine startup.
Causes: 1 Connection failure of the wireless LAN PCB harness. 2 Wireless LAN PCB failure. 3 Main PCB failure.
Remedy: 1 Connection failure of the wireless LAN PCB harness Check the connection of the wireless LAN PCB harness, and reconnect it if necessary. 2 Wireless LAN PCB failure Replace the wireless LAN PCB. 3 Main PCB failure Replace the main PCB ASSY.