Brother MFC-J6510DW Service Manual page 101

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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
Straight vertical stripes
Step
1
Recording paper path
contaminated
2
Carriage rail dented
User Check
- Perform head cleaning.
Cause
User Check
- Check whether the recording paper being used is thicker than the
specified limit.
- Clean the related rollers.
- Perform head cleaning.
- Clean the platen.
Cause
2-71
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.
Solution
Clean the recording paper path.
Replace the engine unit.
Section 2.4.2.4.
5.1.4.2.)
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