Brother MFC-J5335DW Service Manual page 99

4.3.2 Print-image problems
Problems related to defective image are end user recoverable if following the User
Check items.
If the same problem occurs, follow each procedure in the order of the number
described in the Step column in the tables below.
■ Completely blank
Step
1 Wrong head property value
2 Head flat cable connection
failure
3 Carriage flat cable connection
failure
4 Non-discharge of ink from
head
5 Ink supply tubes bent
6 Carriage PCB defective
7 Maintenance unit defective
8 Head defective
9 Main PCB defective
■ All single color
Step
1 Carriage PCB defective
2 Head defective
3 Main PCB defective
< User Check >
- Check if there is enough remaining ink.
- Carry out head cleaning.
Cause
Input the head property value (refer to
5, Section 1.3.23 "Updating of Head Property
Data and Backup/Restoration of Head
Calibration Data (Maintenance mode
Reconnect the head flat cable.
Reconnect the carriage flat cable.
Perform the recommended purge procedures.
(refer to the recommended procedures in
Chapter 5, Section 1.3.27 "Purge Operation
(Maintenance mode
Replace the ink refill ASSY.
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB.
< User Check >
- Check that ink cartridge is loaded correctly.
Cause
Replace the carriage PCB ASSY.
Replace the head/carriage unit.
Replace the main PCB.
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Solution
Chapter
68)")
76)")
Solution
Confidential