Troubleshooting From Image Defect - Brother MFC-J6510DW Service Manual

2.4.3.2

Troubleshooting from image defect

Completely blank
Step
1 Maintenance unit contaminated
2 Head property data incorrect
3 Head flat cables connection
failure
4
Ink refill ASSY defective
5
Drain tubs bent
6
Carriage PCB defective
7 Maintenance unit defective
8 Print head defective
9
Main PCB defective
All black
Step
1
Carriage PCB defective
2 Print head defective
3
Main PCB defective
User Check
- Check that ink remaining is sufficient.
- Perform head cleaning.
Cause
User Check
- Check whether ink cartridges are properly loaded into the correct color
slots.
Cause
2-69
Solution
Clean the maintenance unit. Refer to
Enter correct head property data. Refer to
Section 5.1.4.22.
Check the connection and reconnect the flat cables.
Replace the ink refill ASSY.
Replace the drain tube.
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB ASSY.
Solution
Replace the carriage PCB ASSY.
Replace the head/carriage unit.
Replace the main PCB ASSY.
Section 2.4.2.4.
Chapter 5,
Confidential