Xerox Phaser 3120, Service Manual

Page: 38 / 81

4-18
TROUBLESHOOTING
Service Manual
4.4.3 Not function of the gear of the fuser due to melting away
• Description
The motor breaks away from its place due to gear melting away.
Check and Cause Solution
DCU Mode : Check if the Error States '60' '62' '68' occur.
Check the operation of Fuser Erasing Lamp
On/Off with the Error Code Check -10-.
1. Replace the Fuser.
2. Replace the Main Control board.
4.4.4 Paper Empty
• Description
The paper lamp on the operator panel is on even when paper is loaded in the cassette.
Check and Cause Solution
1. Bending or deformation of the actuator of the paper sen-
sor.
2. The function of the engine board is defective Perform
DCU mode : Perform DCU diagnostic code 8.
1. Replace the defective actuator.
2. Replace the engine board.
4.4.5 Paper Empty without indication
• Description
The paper lamp on the operator panel does not come on when the paper cassette is empty.
Check and Cause Solution
1. Bending or deformation of the actuator of the paper sen-
sor.
2. The function of the engine board is defective Perform.
DCU mode : Perform DCU diagnostic code 8.
1. Replace the defective actuator.
2. Replace the engine board.