Brother DCP6690CW Service Manual page 132

Error Code
Symptom
(Hex)
5F Not used.
60 Paper width sensor
62 (media sensor) error.
61, 63-6B Not used.
6C Current protection
activated due to an
overload applied to the
paper feed motor.
6D, 6E Not used.
6F ASF motor does not stop
at the intended timing.
70 Cannot detect the ON/
71 OFF state of cap lift cam
switch.
72 Cannot detect the origin
of the cap lift cam.
Probable Cause
Paper width sensor (media
sensor) adjustment failure
Paper width sensor defective Replace the carriage PCB
Head flat cables broken
Main PCB defective
Foreign materials in the
paper path
Paper feed motor defective
Main PCB defective
Malfunction caused by
overload
Relevant motor harness not
connected correctly
ASF encoder sensor
defective
ASF motor defective
Main PCB defective
Cap lift cam switch defective Replace the maintenance unit.
ASF encoder sensor
defective
ASF motor defective
Main PCB defective
Cap lift cam switch defective Replace the maintenance unit.
ASF encoder sensor
defective
ASF motor defective
Main PCB defective
4-20
Solution
Readjust the left and right
margins.
ASSY.
Replace the main PCB.
Remove foreign materials and
close the scanner cover
(scanner unit).
Replace the engine unit.
Replace the main PCB.
Open and close the scanner
cover (scanner unit).
Unplug and plug the AC cord.
Correct the connection.
Replace the ASF motor ASSY.
Replace the main PCB.
Replace the ASF motor ASSY.
Replace the main PCB.
Replace the ASF motor ASSY.
Replace the main PCB.
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