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Confidential
2-70
Separated lines at the trailing edge of the recording paper
Characters having shadows (ghost)
User Check
- Carry out head cleaning.
Step
Cause
Solution
1
Paper feeding correction value
not updated
Adjust the paper feeding correction value (refer
to
Chapter 5, Section 1.3.19 "Updating of Paper
2
PF encoder disk stained
Clean the PF encoder disk and flushing guide
(refer to
Chapter 3, Section 1 "PRECAUTIONS
3
Non-discharge of ink from
head
Perform the recommended purge procedures.
(refer to the recommended procedures in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode 76)"
4
PF encoder disk defective
Replace the PF encoder disk.
5
Main PCB defective
Replace the main PCB ASSY.
User Check
- Carry out head cleaning.
Step
Cause
Solution
1
Paper feeding correction value
not updated
Adjust the paper feeding correction value (refer
to
Chapter 5, Section 1.3.19 "Updating of Paper
2
Vertical print lines not aligned
Adjust vertical print line alignment (refer to
3
PF encoder disk stained
Clean the PF encoder disk and flushing guide
(refer to
Chapter 3, Section 1 "PRECAUTIONS
4
CR encoder strip stained
Clean the CR encoder strip.
5
PF encoder disk defective
Replace the PF encoder disk.
6
CR encoder strip defective
Replace the CR encoder strip.
7
Head defective
Replace the head/carriage unit.
8
Main PCB defective
Replace the main PCB ASSY.
Summary of Contents for MFC-J6920DW
Page 123: ...3 3 Confidential 2 PACKING ...
Page 146: ...3 26 Confidential 3 Set the protective part Protective part ...
Page 308: ...5 37 Confidential pfadj2 Pattern ...
Page 315: ...5 44 Confidential Margin Check Pattern ...
Page 362: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...