Brother DCP-J552DW Service Manual page 95

■ The entire image is light
Step
1 Maintenance unit stained
2 The head property value is
incorrect
3 Head calibration not performed
4 Non-discharge of ink from head
5 Carriage PCB defective
6 Maintenance unit defective
7 Head defective
8 Main PCB defective
<User Check>
- Check if the recording paper used is according to specifications.
- Check whether the paper type setting is correct.
- Carry out head cleaning.
- Replace the ink cartridge.
Cause
Clean the maintenance unit.
(Refer to
Enter the head property value.
(Refer to
Perform head calibration.
(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 carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-62
Solution
Section 4.3.2 in this chapter)
Chapter 5, Section 1.3.25)
Chapter 5, Section 1.3.2)
Chapter 5,
Confidential