Brother DCP-J925DW, Service Manual

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2-28 Confidential
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Error Code 30
Carriage does not move. (Detected by the CR encoder sensor)
User Check
- Remove the jammed paper.
Unable to Print 30 LCD
Step Cause Solution
1 CR timing belt or pulley out of
place Set the CR timing belt or the pulley into place.
2 Foreign materials on the CR
timing belt or around the head/
carriage unit Remove foreign materials.
3 Leveler roller (LR) ASSY not
mounted correctly on the head/
carriage unit Set the LR ASSY into place, using the LR jigs (LR
positioning jig and LR fitting jig).
4 CR encoder strip out of place Set the CR encoder strip into place.
5 CR encoder strip stained Replace the CR encoder strip.
6 Carriage motor harness
connection failure Check the connection and reconnect the harness.
7 CR encoder sensor failure Replace the carriage PCB ASSY.
8 Carriage motor defective Replace the carriage motor.
9 Main PCB defective Replace the main PCB ASSY.