Brother HL-L8250CDN Service Manual page 107

4.2.9 Paper jam
■
Paper jam at the paper tray 1
< User Check >
- Check if the paper is loaded into the paper tray 1 correctly.
- Turn back the paper loaded in the paper tray 1 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
- 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
1
2
3
4
5
6
7
8
9
10
11
Cause
Foreign object around paper tray 1
T1 paper dust cleaning roller
installation failure
Registration front actuator
coming off
Connection failure of the
registration front/rear sensor
PCB harness
Registration front sensor failure
Fuser drive gear Z25 damaged
Main motor failure
Paper feed related gear
damaged
Paper feed unit failure
Fuser unit damaged
Main PCB failure
2
.
Remove the foreign object.
Re-assemble the T1 paper dust cleaning
roller.
Re-assemble the registration front
actuator.
Reconnect the registration front/rear
sensor PCB harness.
Replace the registration front/rear sensor
PCB ASSY.
Replace the fuser drive gear Z25.
Replace the process drive unit.
Replace the main drive unit.
Replace the paper feed unit.
Replace the fuser unit.
Replace the main PCB ASSY.
2-84
Remedy
Confidential