Double Feeding; Dirt On Paper; Paper Feeding At An Angle - Brother FAX-2840 Service Manual

3.5.3 Double feeding

<User Check>
- Check that the paper is loaded into the paper tray correctly.
- Check that the thickness of the paper is 60 to 105 g/m
- Clean the separation pad.
- Check that too much paper is not loaded in each tray.
- Check that the backside of used paper or damp (wet) paper is not used.
Step
1 Pick-up roller failure

3.5.4 Dirt on paper

<User Check>
- Replace the toner cartridge with a new one.
- Check that the drum unit or corona wire is not dirty, installation environment is
appropriate, and the corona wire cleaning lever is at the specified position.
Step
Fuser unit dirty
1
2 Paper eject roller dirty

3.5.5 Paper feeding at an angle

<User Check>
- Check that the paper is loaded into the paper tray correctly.
- Adjust the paper guide corresponding to the paper size.
- Check that there is not too much paper set in the tray.
- Check that the thickness of the paper is 60 to 105 g/m
- Remove the protective sheet of the bottom side of the drum unit.
- Check that the backside of used paper or damp (wet) paper is not used.
Step
1 Registration clutch ASSY failure
2 Main PCB failure
Cause
Replace the paper feeding kit.
Cause
Clean the entrance of the fuser unit, or clean
the pressure roller.
Clean the eject roller.
Cause
Replace the registration clutch ASSY.
Replace the main PCB ASSY.
2-61
2
.
Remedy
Remedy
2
.
Remedy
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