Brother DCP-J752DW

2-64
Confidential
■ Vertical stripes
■ White vertical streak
<User Check>
- Check if the recording paper used is according to
specifications.
- Clean each roller by printing several blank sheets.
- Clean the platen.
Step Cause Solution
1 Foreign materials inside the CR
guide rail
Remove foreign materials.
2 Recording paper feeding path
contaminated
Clean the recording paper feeding path.
3 CR encoder strip stained Clean the CR encoder strip.
4 Carriage flat cable connection
failure
Reconnect the carriage flat cable.
5 Ink supply tube not properly
attached
Reattach the ink supply tube.
6 CR encoder strip defective Replace the CR encoder strip.
<User Check>
- Carry out head cleaning.
Step Cause Solution
1 Foreign materials inside the CR
guide rail
Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 Non-discharge of ink from head Carry out the recommended purge procedures. Refer
to "Recommended purge procedures" in Chapter 5,
Section 1.3.29 "Purge Operation (Maintenance mode
76)".
4 CR encoder strip defective Replace the CR encoder strip.
5 Carriage motor defective Replace the carriage motor ASSY.
6 Head defective Replace the head/carriage unit.