Brother HL-J6000DW Service Manual page 114

■ Separated lines over the whole page
Step
1 Head inclination is not correctly
adjusted.
2 Head calibration uncompleted
3 Paper feeding correction 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 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
inclination")
Write the head calibration data.
(refer to
Head Calibration Data and Writing it into Flash
ROM (Maintenance mode
Update paper feed correction.
(refer to
Paper Feeding Correction Values (Maintenance
mode
Clean the PF encoder disk and flushing guide.
(refer to
Disassembly/Assembly")
Perform the recommended purge procedures.
(refer to the recommended procedures in
Chapter 5, Section 1.3.28 "Purge Operation
(Maintenance mode
Replace the PF encoder disk.
Replace the head/carriage unit.
Replace the main PCB.
< User Check >
- Carry out head cleaning.
Cause
Update paper feed correction.
(refer to
Paper Feeding Correction Values (Maintenance
mode
Clean the PF encoder disk and flushing guide.
(refer to
Disassembly/Assembly")
Replace the PF encoder disk.
Replace the main PCB.
2-74
Solution
Chapter 4, Section 2.4 "Adjust head
Chapter 5, Section 1.3.2 "Creating of
02)")
Chapter 5, Section 1.3.18 "Updating of
58)")
"Precautions for Troubleshooting and/or
76)".
Solution
Chapter 5, Section 1.3.18 "Updating of
58)")
"Precautions for Troubleshooting and/or
Confidential