Brother MFC-J6510DW

2-75
Confidential
 Stained leading edge of recording paper
 Overlapping lines over the whole page
User Check
- Perform head cleaning.
- Check whether recording paper being used is within the specification.
Step Cause Solution
1 Maintenance unit contaminated Clean the maintenance unit. Refer to Section 2.4.2.4.
2 Paper feeding correction value not
updated
Update the paper feeding correction value. Refer to
Chapter 5, Section 5.1.4.16.
3 Head/carriage unit not mounted
correctly
Reposition the head/carriage unit.
4 Print head defective Replace the head/carriage unit.
User Check
- Perform head cleaning.
Step Cause Solution
1 Inclination of the head not
adjusted
Adjust inclination of the head. Refer to Chapter 4,
Section 4.1.
2 Head calibration data not written Perform head calibration. See Function code 02.
(Refer to Chapter 5, Section 5.1.4.2.)
3 Paper feeding correction value not
updated
Update the paper feeding correction value. Refer to
Chapter 5, Section 5.1.4.16.
4 PF encoder disk stained or
scratched
Replace the PF encoder disk and clean the flushing
guide. (Refer to Chapter 3, Section 3.1.)
5 Print head defective Replace the head/carriage unit.
6 Main PCB defective Replace the main PCB ASSY.