Brother DCP-J752DW

2-80
Confidential
■ Completely blank
■ Vertical streaks
<User Check>
- Check if documents are not reversed.
- Make sure that the document is loaded in the ADF document
support.
Step Cause Solution
1 White level correction data failure Carry out maintenance 55.
(Refer to Chapter 5, Section 1.3.17)
2 CIS flat cable connection failure Reconnect the CIS flat cable.
3 Damaged CIS flat cable Replace the CIS flat cable.
4 CIS unit defective Replace the CIS unit.
5 Main PCB defective Replace the main PCB ASSY.
<User Check>
- Clean the document cover glass or ADF glass.
- Clean the document pressure bar.
Step Cause Solution
1 Foreign materials are attached to
the glass surface inside the
scanner unit
Remove foreign materials.
2 Foreign materials are attached to
the CIS unit lens surface
Remove foreign materials.
3 CIS unit defective Replace the CIS unit.