Brother DCP-J552DW Service Manual page 96

■ The entire image is dark
Step
1 Maintenance unit stained
2 The head property value is
incorrect
3 Head calibration not performed
4 Carriage PCB defective
5 Maintenance unit defective
6 Head defective
7 Main PCB defective
<User Check>
- Check whether the paper type setting is correct.
Cause
Clean the maintenance unit.
(Refer to
Enter the head property value.
(Refer to
Perform head calibration.
(Refer to
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-63
Solution
Section 4.3.2 in this chapter)
Chapter 5, Section 1.3.25)
Chapter 5, Section 1.3.2)
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