Brother DCP-J925DW, Service Manual

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2-44 Confidential
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Error Code 81
Recording paper size error. (Except during fax/list printing) (The paper width sensor has
detected that the paper width is less than the specified one.)
User Check
- Check whether the recording paper being used is within the specification.
- Check that dark recording paper is not used.
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Error Code 82
Recording paper jam in paper feeding. (The paper width sensor has failed to detect the leading
edge of paper.)
User Check
- Remove the jammed paper.
- Check whether the recording paper being used is within the specification.
- Check that dark recording paper is not used.
- Check that the paper tray is fully inserted.
- Check that the jam clear cover is properly closed.
Wrong Paper Size LCD
Step Cause Solution
1 CR encoder strip stained Replace the CR encoder strip.
2 Carriage motor defective Replace the carriage motor.
3 Paper width sensor defective Replace the carriage PCB ASSY.
4 Main PCB defective Replace the main PCB ASSY.
Paper Jam LCD
Step Cause Solution
1 Foreign materials inside the
engine unit Remove foreign materials.
2 Chute cover not mounted
correctly Reposition the chute cover.
3 Paper width sensor defective Replace the carriage PCB ASSY.
4 Paper pull-in rollers worn out or
stained Replace the paper pull-in roller holder ASSY.
5 ASF motor defective Replace the ASF drive ASSY.
6 Paper feed roller worn out Replace the engine unit.
7 Main PCB defective Replace the main PCB ASSY.