Brother HL-J6000DW Service Manual page 115

■ Separated lines at the trailing edge of the recording paper
Step
1
Paper feeding correction not
updated
2 PF encoder disk stained
3 Non-discharge of ink from
head
4 PF encoder disk defective
5
Main PCB defective
■ Characters having shadows (ghost)
Step
1
Paper feeding correction not
updated
2 Vertical print lines not aligned
3 PF encoder disk stained
4 CR encoder strip stained
5 PF encoder disk defective
6 CR encoder strip defective
7 Head defective
8
Main PCB defective
< 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")
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 main PCB.
Cause
Update paper feed correction.
(refer to
Paper Feeding Correction Values (Maintenance
mode
Adjust vertical print line alignment.(refer to
Chapter 5, Section 1.3.22 "Adjustment of
Software Correction for Inclination/Corrugation/
Ruled Lines (Maintenance mode
Clean the PF encoder disk and flushing guide.
(refer to
Disassembly/Assembly")
Clean the CR encoder strip.
Replace the PF encoder disk.
Replace the CR encoder strip.
Replace the head/carriage unit.
Replace the main PCB.
2-75
Solution
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
65)")
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