Brother MFC-J2320 Service Manual page 107

Light

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 Maintenance unit defective
7 Head defective
8 Main PCB defective
Dark

Step
1 Maintenance unit stained
2 Wrong head property value
3 Head calibration uncompleted
4 Carriage PCB defective
5 Maintenance unit defective
6 Head defective
7 Main PCB defective
User Check
- Check whether the recording paper being used is within
the specification.
- Check whether the paper type setting is correct.
- Carry out head cleaning.
- Replace the ink cartridge.
Cause
Clean the maintenance unit (refer to
4.3.2
Input the head property value (refer to
5, Section
Input 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 maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
User Check
- Check whether the paper type setting is correct.
Cause
Clean the maintenance unit (refer to
4.3.2
Input the head property value (refer to
5, Section
Input the head calibration data (refer to
5, Section
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-70
Solution
in this Chapter.)
1.3.25.)
1.3.2.)
76)".)
Solution
in this Chapter.)
1.3.25.)
1.3.2.)
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