Recording Paper Jam; Switchback Sensor Cannot Detect Paper Feeding State Even Papers Are; Paper Width Sensor Cannot Detect Origin Specified On The Paper Feed - Brother MFC-J3520 Service Manual

Error Code 88

Paper Jam

Recording paper jam

Switchback sensor cannot detect paper feeding state even papers are fed during
printing.
User Check
- Remove the jammed paper in platen part and front part.
Step
1 Foreign materials in the
feeding path
2 Switchback actuator out of
place
3 Switchback sensor harness
connection failure
4 Paper feed roller,
paper ejection roller stained
5 Paper feed roller,
paper ejection roller defective
6 Main PCB defective
Error Code 89

Unable to Print 89
Paper width sensor cannot detect origin specified on the paper feed roller.
Step
1 PF encoder disk stained
2 PF home position detection
lever stained
3 PF encoder disk defective
4 PF home position detection
lever out of place
5 Paper width sensor or carriage
PCB defective
6 Main PCB defective
PF home position detection lever
Cause
Remove foreign materials.
Set the switchback frame ASSY into place.
Reconnect the switchback sensor harness.
Clean the related rollers.
Replace related rollers.
Replace the main PCB ASSY.
Cause
Clean the PF encoder disk and flushing guide
(refer to
BEFORE
Clean the PF home position detection lever and
the flushing guide.
(refer to
BEFORE
Replace the PF encoder disk.
Set the PF home position detection lever into
place.
Replace the carriage PCB ASSY.
Replace the main PCB ASSY.
Fig. 2-7
2-43
Solution
Solution
Chapter 3, Section 1 "PRECAUTIONS
PROCEEDING.")
Chapter 3, Section 1 "PRECAUTIONS
PROCEEDING.")
LCD
LCD
Confidential