Brother MFC-J2320 Service Manual page 112

Separated 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 Non-discharge of ink from
head
6 PF encoder disk defective
7 Head defective
8 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
3 PF encoder disk defective
4 Main PCB defective
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
Carry out the recommended purge procedures
(refer to the recommended procedures in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode
Replace the PF encoder disk.
Replace the head/carriage unit.
Replace the main PCB ASSY.
User Check
- Carry out head cleaning.
Cause
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 main PCB ASSY.
2-75
Solution
2.4.)
1.3.2.)
Chapter 5, Section 1.3.19.)
Chapter 3, Section
76)".)
Solution
Chapter 5, Section 1.3.19.)
Chapter 3, Section
Chapter 4,
Chapter
1.)
1.)
Confidential