Brother MFC-J2320 Service Manual page 113

Separated lines at the trailing edge of the recording paper

Step
1 Paper feeding correction value
not updated
2 PF encoder disk stained
3 Non-discharge of ink from
head
4 PF encoder disk defective
5 Main PCB defective
Characters having shadows (ghost)

Step
1 Paper feeding correction value
not updated
2 Vertical print lines not aligned
3 PF encoder disk stained
4 CR encoder strip stained
5 PF encoder disk defective
6 CR encoder strip defective
7 Head defective
8 Main PCB defective
User Check
- Carry out head cleaning.
Cause
Adjust the paper feeding correction value (refer
to
Clean the PF encoder disk and flushing guide
(refer to
Carry out the recommended purge procedures
(refer to the recommended procedures in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode
Replace the PF encoder disk.
Replace the main PCB ASSY.
Cause
Adjust the paper feeding correction value (refer
to
Adjust vertical print line alignment (refer to
Chapter 5, Section
Clean the PF encoder disk and flushing guide
(refer to
Clean the CR encoder strip.
Replace the PF encoder disk.
Replace the CR encoder strip.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-76
Solution
Chapter 5, Section 1.3.19.)
Chapter 3, Section
76)".)
User Check
- Carry out head cleaning.
Solution
Chapter 5, Section 1.3.19.)
1.3.23.)
Chapter 3, Section
1.)
1.)
Confidential