Dirt On Paper; Paper Feeding At An Angle - Brother HL-2250DN Service Manual

• Duplex unit
Paper jam in the duplex tray
User Check
• Insert the duplex tray correctly.
• Check if the paper is jammed in the duplex tray.
Step
Foreign object around duplex tray
1
2 Duplex tray failure
3 DX gears damaged

4.1.6 Dirt on paper

User Check
• Check if the paper is loaded into the paper tray correctly.
• Replace the toner cartridge with a new one.
Step
Fuser unit dirty
1

4.1.7 Paper feeding at an angle

User Check
• Check if the paper is loaded into the paper tray correctly.
• Adjust the paper guide corresponding to the paper size.
• Check if too much paper is loaded in the tray.
• Check whether the paper of the irregular thickness is loaded.
• Remove the protective sheet of the bottom side of the drum unit.
Step
1 Main PCB failure
Cause
Cause
Cause
2-25
Remedy
Remove the foreign object around the
duplex tray.
Replace the duplex tray.
Replace the main frame L ASSY.
Remedy
Clean the entrance of the fuser unit, or
clean the pressure roller.
Remedy
Replace the main PCB ASSY.
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