Brother DCP-J552DW Service Manual page 101

■ Separated lines over the whole page
Step
1 Paper feeding correction not
aligned
2 Head inclination is not adjusted
3 Head calibration not performed
4 PF encoder disk stained
5 Non-discharge of ink from head
6 PF encoder disk defective
7 Head defective
8 Main PCB defective
■ Overlapping lines at the trailing edge of the recording paper
Step
1 Paper feeding correction not
aligned
2 PF encoder disk stained
3 PF encoder disk defective
4 Main PCB defective
<User Check>
- Carry out head cleaning.
Cause
Perform paper feeding correction.
(Refer to
Adjust the head inclination.
(Refer to
Perform head calibration.
(Refer to
Clean the PF encoder disk and flushing guide.
(Refer to
Carry out the recommended purge procedures. Refer
to "Recommended purge procedures" in
Section 1.3.29 "Purge Operation (Maintenance mode
76)".
Replace the PF encoder disk.
Replace the head/carriage unit.
Replace the main PCB ASSY.
Cause
Perform paper feeding correction.
(Refer to
Clean the PF encoder disk and flushing guide.
(Refer to
Replace the PF encoder disk.
Replace the main PCB ASSY.
2-68
Solution
Chapter 5, Section 1.3.19)
Chapter 4, Section 2.4)
Chapter 5, Section 1.3.2)
Chapter 3, Section 1)
Solution
Chapter 5, Section 1.3.19)
Chapter 3, Section 1)
Chapter 5,
Confidential