Brother DCP-J552DW Service Manual page 112

■ Scanning position failure
(1) ADF
Step
1 Scanning start position out of
alignment
2 Document caught in the document
scanning position actuator
(2) Document scanner unit
Step
1 Scanning start position out of
alignment
2 CIS unit defective
■ Images are dark
Step
1 White level correction data failure Carry out maintenance 55.
2 CIS unit defective
3 Main PCB defective
<User Check>
- Check if the document guide is correctly set to the
document size.
- Check that the document is placed correctly on the
document cover.
Cause
Adjust the scanning start position.
(Refer to
Set the document scanning position actuator into
place.
Cause
Adjust the scanning start position.
(Refer to
Replace the CIS unit.
<User Check>
- Check if the contrast is set to "Dark".
Cause
(Refer to
Replace the CIS unit.
Replace the main PCB ASSY.
2-79
Solution
Chapter 5, Section 1.3.16)
Solution
Chapter 5, Section 1.3.16)
Solution
Chapter 5, Section 1.3.17)
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