Brother HL-4150CDN - Dirt on Paper; Wrinkles on Paper

2-93
Confidential
3.4.4 Dirt on paper
<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Turn back the paper loaded in the paper tray or change the orientation of the paper by 180°.
- Replace the toner cartridge with a new one.
- Replace the waste toner box with a new one.
- Replace the belt unit with a new one.
3.4.5 Wrinkles on paper
<User Check>
- Check if paper is not damp.
- Check if the paper is loaded into the paper tray correctly.
- Turn back the paper loaded in the paper tray or change the orientation of the paper by 180°.
- Check if the thickness of the paper is 60 to 105 g/m
2. (60 to 163 g/m2 for the MP tray.)
- Switch the envelope levers.
Step Cause Remedy
1 Fuser unit dirty Clean the entrance of the fuser unit.
Clean the pressure roller.
2 Dirt in the paper feed system Wipe dirt off.
3 Paper eject ASSY dirty Clean the paper eject ASSY.
4 Waste toner sensor failure Replace the waste toner sensor.
Step Cause Remedy
1 Fuser unit failure Replace the fuser unit.