2-91
Confidential
■ Paper jam at the LT paper tray unit
< User Check >
- Check if the paper is loaded into each paper tray correctly.
- Turn back the paper loaded in each paper tray or change the orientation of the paper by 180°.
- Adjust the paper guide corresponding to the paper size.
- Check if too much paper is loaded in the tray.
- Check if the thickness of the paper is 60 to 105 g/m
2
.
- Fan the stack of paper well and reinsert the papers into the paper tray.
- Replace the toner cartridge with a new one.
- Replace the drum unit with a new one.
Step Cause Remedy
1 Foreign object around each
paper tray
Remove the foreign object.
2 Foreign object around paper path
of paper tray 1
Remove the foreign object.
3 T1/LT paper dust cleaning roller
installation failure
Re-assemble the T1/LT paper dust
cleaning roller.
4 Registration front actuator
coming off
Re-assemble the registration front
actuator.
5 Connection failure of the
registration front/rear sensor
PCB harness
Reconnect the registration front/rear
sensor PCB harness.
6 Connection failure of the LT
registration sensor PCB harness
Reconnect the LT registration sensor PCB
harness.
7 Connection failure of the LT relay
PCB harness
Reconnect the LT relay PCB harness.
8 LT relay PCB failure Replace the LT relay PCB ASSY.
9 Fuser drive gear Z25 damaged Replace the fuser drive gear Z25.
10 Main motor failure Replace the process drive unit.
11 Paper feed unit failure Replace the paper feed unit.
12 Fuser unit damaged Replace the fuser unit.
13 Main PCB failure Replace the main PCB ASSY.
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