Brother DCP-J4110DW Service Manual page 111

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
Chapter 5, Section
Clean the PF encoder disk and flushing guide (refer
to
Perform the recommended purge procedures.
Refer to "Recommended purge procedures" in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode 76)."
Replace the PF encoder disk.
Replace the main PCB ASSY.
Cause
Adjust the paper feeding correction value (refer to
Chapter 5, Section
Adjust vertical print line alignment (refer to
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.
2-74
Solution
1.3.19.)
Chapter 3, Section 1.)
User Check
- Carry out head cleaning.
Solution
1.3.19.)
1.3.23.)
Chapter 3, Section 1.)
Chapter
Confidential