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Confidential
2-79
Scanning position failure
(1) ADF
(2) Document scanner unit
Dark
User Check
- Check that the document is placed correctly
on the
flat-bed
.
Step
Cause
Solution
1
Scanning start position out of
alignment
Carry out maintenance 54 to adjust the
scanning start position.
2
Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
Step
Cause
Solution
1
Scanning start position out of
alignment
Carry out maintenance 54 to adjust the
scanning start position.
2
First side CIS unit defective
Replace the first side CIS unit.
User Check
- Check if the contrast is set to "Dark."
Step
Cause
Solution
1
White level correction data
failure
Carry out maintenance 55.
2
First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
3
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 ...