![background image](http://html.mh-extra.com/html/brother/mfc-j6920dw/mfc-j6920dw_service-manual_17375102.webp)
Confidential
2-68
Stained leading edge of recording paper
Overlapping lines over the whole page
User Check
- Check whether the recording paper being used is within
the specification.
Step
Cause
Solution
1
Maintenance unit stained
Clean the maintenance unit (refer to
2
Paper feeding correction value
not updated
Adjust the paper feeding correction value (refer
to
Chapter 5, Section 1.3.19 "Updating of Paper
3
Head defective
Replace the head/carriage unit.
User Check
- Carry out head cleaning.
Step
Cause
Solution
1
Head inclination is not correctly
adjusted.
Adjust the head inclination (refer to
Section 2.4 "Adjust head inclination."
2
Head calibration uncompleted
Write the head calibration data (refer to
5, Section 1.3.2 "Creating of Head Calibration
Data and Writing it into Flash ROM."
3
Paper feeding correction value
not updated
Adjust the paper feeding correction value (refer
to
Chapter 5, Section 1.3.19 "Updating of Paper
4
PF encoder disk stained
Clean the PF encoder disk and flushing guide
(refer to
Chapter 3, Section 1 "PRECAUTIONS
5
PF encoder disk defective
Replace the PF encoder disk.
6
Head defective
Replace the head/carriage unit.
7
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 ...