Brother DCP-J752DW

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