Caused By Factors Other Than Recording Paper Jams Such As Encoder Stains When; Abnormal Stopping Of The Head/Carriage Unit Caused By Recording Paper Jam When Ink Is Discharging - Brother DCP-J552DW Service Manual

■ Error Code 3B
Unable to print 3B
Abnormal stopping of the head/carriage unit
Caused by factors other than recording paper jams such as encoder stains when ink is discharging.
<User Check>
- Remove the jammed recording paper from the engine part.
Step
1 CR encoder strip stained
2 CR encoder strip out of place
3 Leveler roller ASSY not properly
attached to the head/carriage unit
4 CR encoder strip defective
5 CR encoder sensor defective
6 Leveler roller ASSY defective
7 Main PCB defective
■ Error Code 3C
Disc Jam / Paper Jam
Abnormal stopping of the head/carriage unit
Caused by a recording paper jam when ink is not discharging.
<User Check>
- Remove the jammed recording paper from the platen part and the maintenance unit part.
Step
1 Foreign materials around the
engine
2 CR encoder strip stained
3 CR encoder strip out of place
4 Leveler roller ASSY not properly
attached to the head/carriage unit
5 CR encoder strip defective
6 CR encoder sensor defective
7 Leveler roller ASSY defective
8 Main PCB defective
Cause
Clean the CR encoder strip.
Reattach the CR encoder strip.
Reattach the leveler roller ASSY to the head/
carriage unit.
Replace the CR encoder strip.
Replace the carriage PCB ASSY.
Replace the leveler roller ASSY.
Replace the main PCB ASSY.
Cause
Remove foreign materials.
Clean the CR encoder strip.
Reattach the CR encoder strip.
Reattach the leveler roller ASSY to the head/
carriage unit.
Replace the CR encoder strip.
Replace the carriage PCB ASSY.
Replace the leveler roller ASSY.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
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