Brother MFC-J6510DW Service Manual page 106

Separated lines over the whole page
Step
1 Inclination of head not adjusted
2 Head calibration data not written
3 Paper feeding correction value not
updated
4 PF encoder disk stained or
scratched
5 Print head defective
6 Main PCB defective
Overlapping lines at the trailing edge of the recording paper
Step
1 Paper feeding correction value not
updated
2 PF encoder disk stained or
scratched
3 Engine unit defective
4 Main PCB defective
User Check
- Perform head cleaning.
Cause
User Check
- Perform head cleaning.
Cause
2-76
Solution
Adjust inclination of the head. Refer to
Section 4.1.
Perform head calibration. See Function code 02.
(Refer to Chapter 5, Section
Update the paper feeding correction value. Refer to
Chapter 5, Section 5.1.4.16.
Replace the PF encoder disk and clean the flushing
guide. (Refer to Chapter 3, Section
Replace the head/carriage unit.
Replace the main PCB ASSY.
Solution
Update the paper feeding correction value. Refer to
Chapter 5, Section 5.1.4.16.
Replace the PF encoder disk and clean the flushing
guide. (Refer to Chapter 3, Section
Replace the engine unit.
Replace the main PCB ASSY.
Chapter 4,
5.1.4.2.)
3.1.)
3.1.)
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