Brother HL-2250DN Service Manual page 47

• Jam inside/Jam rear
Paper jam inside and rear of the printer
User Check
• Check if the paper is jammed inside and rear side of the printer.
If jammed, remove it.
• Check if the back cover is closed certainly.
• Remove the protective material of the bottom side of the drum unit.
Step
Registration front actuator
1
catching on some position
Registration rear actuator or paper
2 eject actuator catching on some
position
Harness connection failure of
registration front/rear sensor PCB
3
ASSY or paper eject sensor PCB
ASSY
4 REG clutch ASSY failure
Paper eject sensor PCB ASSY
failure
5
Low voltage power supply PCB
6
ASSY failure
7 Main PCB failure
8 Fuser unit failure
Registration front/rear sensor PCB
ASSY failure
9
Waves in the paper / folds in the paper at the eject roller
User Check
• Check that the problem is solved if new paper is used.
Step
Foreign object around eject roller
1
2 Eject roller failure
Cause
Cause
2-24
Remedy
Correct catching of the registration front
actuator.
Correct catching of the registration rear
actuator or paper eject actuator.
Check the harness connection of the
registration front/rear sensor PCB ASSY or
paper eject sensor PCB ASSY, and
reconnect it.
Replace the REG clutch ASSY.
Check the sensor performance following
the procedure in "Operational Check of
Sensors" (Chapter 5).
If any problem occurs, replace the paper
eject sensor PCB ASSY.
Replace the low voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
Replace the fuser unit.
Check the sensor performance following
the procedure in "Operational Check of
Sensors" (Chapter 5).
If any problem occurs, replace the regist
frame ASSY.
Remedy
Remove the foreign object around the eject
roller.
Replace the top cover ASSY.
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