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Faulty registration
• First side (Document scanner unit)
Step
Deviation of the scanning
1
start position
Document scanning position
2
actuator caught in some
sections of the machine
• Second side (ADF unit)
Step
Deviation of the scanning
1
start position
Document scanning position
2
actuator caught in some
sections of the machine
Dark
<User Check>
• Check that the contrast setting is not too dark.
• Clean the document hold.
Step
Incorrect white level
1
correction data
First or second side CIS unit
2
failure
3
Main PCB failure
Cause
Execute "Fine adjustment of scan start
position (Function code 54)".
Reattach the document scanning position
actuator.
Cause
Execute "Fine adjustment of scan start
position (Function code 54)".
Reattach the document scanning position
actuator.
Cause
Execute "Acquire white level data (Function
code 55)".
Replace the first or second side CIS unit.
Replace the main PCB ASSY.
Remedy
Remedy
Remedy
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