Brother MFC-J2320 Service Manual page 106

All single color

Step
1 Carriage PCB defective
2 Head defective
3 Main PCB defective
Random color

Step
1 Maintenance unit stained
2 Wrong head property value
3 Head calibration uncompleted
4 Non-discharge of ink from
head
5 Carriage PCB defective
6 Head defective
7 Main PCB defective
User Check
- Check that ink cartridge is loaded correctly.
Cause
Replace the carriage PCB ASSY.
Replace the head/carriage unit.
Replace the main PCB ASSY.
User Check
- Check that ink cartridge is loaded correctly.
- Carry out head cleaning.
Cause
Clean the maintenance unit (refer to
4.3.2
Input the head property value (refer to
5, Section
Write the head calibration data. (refer to
5, Section
Carry out the recommended purge procedures
(refer to the recommended procedures in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode
Replace the carriage PCB ASSY.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-69
Solution
Solution
in this Chapter.)
1.3.25.)
1.3.2.)
76)".)
Section
Chapter
Chapter
Confidential