Brother DCP-J552DW Service Manual page 98

■ Ink splash
Step
1 Maintenance unit stained
2 The head property value is
incorrect
3 Carriage PCB defective
4 Maintenance unit defective
5 Head defective
6 Main PCB defective
■ Print edges not aligned
Step
1 Vertical print lines not aligned
2 Head inclination is not adjusted
3 CR encoder strip stained
4 CR encoder strip defective
5 Head defective
6 Main PCB defective
<User Check>
- Replace the ink cartridge.
Cause
Clean the maintenance unit.
(Refer to
Enter the head property value.
(Refer to
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
<User Check>
- Check if the recording paper used is according to specifications.
- Perform the printing position adjustment.
Cause
Adjust vertical print line alignment.
(Refer to
Adjust the head inclination.
(Refer to
Clean the CR encoder strip.
Replace the CR encoder strip.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-65
Solution
Section 4.3.2 in this chapter)
Chapter 5, Section 1.3.25)
Solution
Chapter 5, Section 1.3.23)
Chapter 4, Section 2.4)
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