Abnormal Stop Of Purge Cam Being Driven; Pump Of Maintenance Unit Stopped Abnormally During Exhaustion/Suction; Excessive Current Protection Activated For The Driver Ic During Purge; Excessive Current Protection Activated For The Driver Ic During Pump - Brother MFC-J3520 Service Manual

Error Code 5A

Unable to Print 5A

Abnormal stop of purge cam being driven.

Error Code 5B
Unable to Print 5B

Pump of maintenance unit stopped abnormally during exhaustion/suction.

Error Code 5D
Unable to Print 5D
Excessive current protection activated for the driver IC during purge cam operation.
Error Code 5E
Unable to Print 5E
Excessive current protection activated for the driver IC during pump operation.
User Check
Remove the jammed paper in platen part.
Step
1 Foreign materials in the
maintenance unit
2 PF encoder disk stained
3 PF encoder disk defective
4 PF encoder sensor defective
5 Ink supply tubes bent
6 Paper feed motor defective
7 Maintenance unit defective
8 Main PCB defective
Cause
Remove foreign materials.
Clean the PF encoder disk and flushing guide
(refer to
BEFORE
Replace the PF encoder disk.
Replace the PF encoder sensor PCB ASSY.
Replace the ink refill ASSY.
Replace the paper feed motor.
Replace the maintenance unit.
Replace the main PCB ASSY.
2-38
Solution
Chapter 3, Section 1 "PRECAUTIONS
PROCEEDING.")
LCD
LCD
LCD
LCD
Confidential