Call for service c411-c412

Procedure

Check item

Measures

1

Fuser unit

•        Check that the fuser unit is installed properly.

•        Check if the drawer connector of the fuser unit is damaged or its connection is detected.

2

Power voltage

Check if the power voltage is normal.(Is the voltage during the operation ±10% of the rated voltage?)

3

Thermistor

•        Check if the center, side and front thermistor are installed properly.

•        Check if the harnesses of the center, side and front thermistor are open circuited.

•        Check if the connectors of the center, side and front thermistor are disconnected (J623, J621, CN308).

4

Power supply unit and fuser unit

•        Is the fuser unit installed correctly?

•        Check if the heater lamp is broken.

•        Check if the terminal of the heater lamp is attached securely.

•        Check if the center and side thermostat are blown

•        Check if the drawer connector is damaged or its connection is detected.

•        Check if the connectors of the power supply unit are disconnected (CN504, CN508).

•        Check if the power supply unit is abnormal.

5

LGC board

•        Check if the connectors CN301 and CN308 are disconnected.

•        Check if the conductor pattern on the LGC board is short circuited or open circuited.

6

Status counter

After repairing the matter which caused the error [C411/ C412], perform the following:

•        Perform FS-08-2002.

•        Change the current status counter value “1“, “2“ or “4“ to “0”.

•        Turn the power OFF and then back ON. Make sure that the equipment enters the normal ready state.