Brother MFC-J6510DW Service Manual page 103

Ink splash
Step
1 Maintenance unit contaminated
2 Head property data incorrect
3 Carriage PCB defective
4 Clogging in the maintenance unit
5 Print head defective
6 Power supply PCB defective
7 Main PCB defective
Print edges not aligned
Step
1 Vertical print lines not aligned
2 Inclination of head not adjusted
3 Print head defective
4 Power supply PCB defective
5 Main PCB defective
User Check
- Perform head cleaning.
- If ink is old, replace the ink cartridge.
Cause
User Check
- Check if the draft mode is selected.
- Check whether the recording paper being used is thicker than the
specified limit.
Cause
2-73
Solution
Clean the maintenance unit. Refer to
Enter the correct head property data. Refer to
Chapter 5, Section 5.1.4.22.
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.
Solution
Adjust vertical print lines. Refer to
Section 5.1.4.20.
Adjust the inclination of the head/carriage unit.
Refer to Chapter 4, Section
Replace the head/carriage unit.
Replace the power supply PCB ASSY.
Replace the main PCB ASSY.
Section 2.4.2.4.
Chapter 5,
4.1.
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