Code :

Code: CD
Description: The drum unit is not installed.
Causes: 1 Dirt on the electrode of the drum unit and on the machine. 2 Bend of electrode contact of main body. 3 Contact failure between the electrode of the high-voltage power supply PCB and that of the machine. 4 High-voltage power supply PCB failure. 5 Engine PCB failure.
Remedy: 1 Dirt on the electrode of the drum unit and on the machine Clean the dirt on the contact points of the both electrodes. (Refer to Fig. 2-10 (P2-62) and Fig. 2-13 (P2-63)) 2 Bend of electrode contact of main body Correct the bend of the electrode contact of the main body. 3 Contact failure between the electrode of the high-voltage power supply PCB and that of the machine Clean the electrodes of the high-voltage power supply 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.

Code: CE
Description: The waste toner box is not installed.
Causes: 1 Waste toner sensor failure. 2 High-voltage power supply PCB failure. 3 Main PCB failure.
Remedy: 1 Waste toner sensor failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the waste toner sensor. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: CF
Description: Waste toner box full. (The sensor detects that the waste toner is full.)
Causes: 1 Harness connection failure of waste toner sensor. 2 Waste toner sensor failure. 3 High-voltage power supply PCB failure. 4 Main PCB failure.
Remedy: 1 Harness connection failure of waste toner sensor Check the harness connection of the waste toner sensor and reconnect it. 2 Waste toner sensor failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the waste toner sensor. 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: D0
Description: Touch panel initialization failure.
Causes: 1 Harness connection failure of LCD unit. 2 Touch panel ASSY failure. 3 Main PCB failure
Remedy: 1 Harness connection failure of LCD unit Check the harness connection of the LCD unit and reconnect it. 2 Touch panel ASSY failure Replace the touch panel ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: D1
Description: Modem initialization failed.
Causes: 1 NCU PCB failure. 2 Main PCB failure
Remedy: 1 NCU PCB failure Replace the NCU PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: DE
Description: When the center thermistor is higher than the idle temperature, it is detected that the side thermistor temperature is lower than 60 °C.
Causes: 1 Harness connection failure between paper eject sensor PCB ASSY and fuser unit. 2 Side thermistor or center thermistor failure. 3 Paper eject sensor PCB ASSY failure. 4 Main PCB failure.
Remedy: 1 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. 2 Side thermistor or center thermistor failure Replace the fuser unit. 3 Paper eject sensor PCB ASSY failure Replace the paper eject sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.