Brother MFC-J6510DW Service Manual page 100

Random color
Step
1 Maintenance unit contaminated
2
Head property data incorrect
3 Head calibration data not written
4 Head flat cables connection
failure
5
Carriage PCB defective
6
Clogging in the maintenance unit
7 Print head defective
8
Main PCB defective
Light
Step
1 Maintenance unit contaminated
2 Head property data incorrect
3 Head calibration data not written
4 Carriage PCB defective
5 Clogging in the maintenance unit
6 Print head defective
7 Power supply PCB defective
8 Main PCB defective
User Check
- Perform head cleaning.
- Check that ink cartridges are loaded in the correct color slots.
Cause
User Check
- Perform head cleaning.
- Replace the ink cartridge(s).
- Check whether recording paper being used is within the specification.
- Check whether the paper type setting is correct.
Cause
2-70
Solution
Clean the maintenance unit. Refer to
Enter the correct head property data. Refer to
Chapter 5, Section 5.1.4.22.
Perform head calibration. See Function code 02.
(Refer to Chapter 5, Section
Check the connection and reconnect the flat cables.
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
Solution
Clean the maintenance unit. Refer to
Enter the correct head property data. Refer to
Chapter 5, Section 5.1.4.22.
Perform head calibration. See Function code 02.
(Refer to Chapter 5, Section
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the power supply PCB ASSY.
Replace the main PCB ASSY.
Section 2.4.2.4.
5.1.4.2.)
Section 2.4.2.4.
5.1.4.2.)
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