Disc Tray Not Fed In (Error Code 91); Two Or More Sheets Of Paper Fed At A Time - Brother DCPJ525W Service Manual

4.2.2 Disc tray not fed in (Error code 91)

User Check
- Insert the disc tray fully.
Step
1 Disc tray worn out, deformed, or
broken
2 Foreign materials inside the
engine unit
3 Paper feed motor harness
connection failure
4 Switching lever guide defective
5
CR encoder strip stained
6 CR encoder sensor defective
7 Disc guide sensor defective
8 Pressure roller release sensor
defective
9 Maintenance unit defective
10 Engine unit defective
11 Main PCB defective

4.2.3 Two or more sheets of paper fed at a time

User Check
- Check that recording paper is loaded correctly in the paper tray.
- Check that the recording paper weight is 64 to 120 g/m
- Fan the stack of recording paper well and reload it into the paper tray.
- Clean the paper feed roller.
Step
1 Bank ASSY worn out
2 Base pad worn out
Cause
Replace the disc tray.
Remove foreign materials.
Check the connection and reconnect the harness.
Replace the switching lever guide.
Replace the CR encoder strip.
Replace the carriage PCB ASSY.
Replace the disc guide sensor ASSY.
Replace the pressure roller release sensor PCB
ASSY.
Clean the maintenance unit or replace it.
Replace the engine unit.
Replace the main PCB ASSY.
Cause
Replace the bank ASSY.
Replace the base pad.
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Solution
2
.
Solution
Confidential