Brother MFC-J2320 Service Manual page 111

Stained leading edge of recording paper

Step
1 Maintenance unit stained
2 Paper feeding correction value
not updated
3 Head defective
Overlapping lines over the whole page

Step
1 Head inclination is not correctly
adjusted.
2 Head calibration uncompleted
3 Paper feeding correction value
not updated
4 PF encoder disk stained
5 PF encoder disk defective
6 Head defective
7 Main PCB defective
User Check
- Check whether the recording paper being used is within
the specification.
Cause
Clean the maintenance unit (refer to
4.3.2
Adjust the paper feeding correction value (refer
to
Replace the head/carriage unit.
User Check
- Carry out head cleaning.
Cause
Adjust the head inclination (refer to
Section
Input the head calibration data (refer to
5, Section
Adjust the paper feeding correction value (refer
to
Clean the PF encoder disk and flushing guide
(refer to
Replace the PF encoder disk.
Replace the head/carriage unit.
Replace the main PCB ASSY.
2-74
Solution
in this Chapter.)
Chapter 5, Section 1.3.19.)
Solution
2.4.)
1.3.2.)
Chapter 5, Section 1.3.19.)
Chapter 3, Section
Section
Chapter 4,
Chapter
1.)
Confidential