Disc Tray Collided Against An Obstacle In The Rear Of The Machine; Pressure Roller Has Failed To Be Released - Brother DCPJ525W Service Manual

Error Code 90
Disc Tray hits at the back

Disc tray collided against an obstacle in the rear of the machine.

User Check
- Leave at least 10 cm (4 inches) of free space behind the machine.
- Clear any obstacles from the rear of the machine.
- Clear any obstacles from the surroundings of the jam clear cover.
- Check that the jam clear cover is properly closed.
- Remove recording paper from the paper path.
Step
1 Disc tray worn out
2 Foreign materials inside the
engine unit
3 Chute cover not mounted
correctly
4 PF encoder disc defective
5 PF encoder sensor PCB defective
6 Paper feed motor defective
Error Code 91
Unable to Init. 91

Pressure roller has failed to be released.

Step
1 Foreign materials inside the
engine unit
2 Switching lever guide out of place Reposition the switching lever guide.
3
CR encoder strip stained
4 Switching lever guide defective
5 Pressure roller release sensor
defective
6 CR encoder sensor defective
7 ASF drive ASSY defective
8 Engine unit defective
9 Main PCB defective
Cause
Replace the disc tray.
Remove foreign materials.
Reposition the chute cover.
Replace the PF encoder disc and clean the flushing
guide. Refer to
Replace the PF encoder sensor PCB ASSY.
Replace the paper feed motor.
Cause
Remove foreign materials.
Replace the CR encoder strip.
Replace the switching lever guide.
Replace the pressure roller release sensor PCB
ASSY.
Replace the carriage PCB ASSY.
Replace the ASF drive ASSY.
Replace the engine unit.
Replace the main PCB ASSY.
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Solution
Chapter 3, Section 1.
Solution
LCD
LCD
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