Brother DCP6690CW Service Manual page 131

Error Code
Symptom
(Hex)
58, 59 Not used.
5A Abnormal stop of purge
cam being driven
5B
5C Not used.
5D Current protection for
the driver IC activated
when the purge cam was
being driven.
5E Current protection for
the driver IC activated
when the pump was in
operation.
Probable Cause
Foreign materials in the
machine
PF encoder disk being in
contact with the upper cover
and deformed
PF encoder PCB defective
Main drain tube bent
Clutch gear broken
Purge cam gear broken
Abnormal load applied to the
purge cam
Planetary arm assembly
broken
Paper feed motor defective
PF roller gear L broken
Engine unit defective
Main PCB defective
Power supply PCB defective
The driving current has
exceeded the limit due to an
abnormal load applied to the
maintenance unit.
4-19
Solution
Remove foreign materials.
Replace the PF encoder disk.
Replace the PF encoder/
registration sensor harness unit.
Replace the ink absorber box.
Replace the maintenance unit.
Replace the engine unit.
Replace the main PCB.
Replace the power supply PCB.
Remove foreign materials.
Replace the clutch gear.
Replace the PF encoder disk.
Replace the PF encoder/
registration sensor harness unit.
Replace the ink absorber box.
Replace the maintenance unit.
Replace the main PCB.
Replace the power supply
PCB.
Replace the engine unit.
Confidential