2-128
Confidential
â– Faulty registration
- First side (Document scanner unit)
- Second side (ADF unit)
â– Dark
Step Cause Remedy
1 Fine adjustment of scan start
position misalignment
Perform the fine adjustment of scan start
position. (Function code 54)
2 First side document scanning
position actuator caught on
some position
Re-assemble the first side document
scanning position actuator.
3 First side CIS unit failure Replace the first side CIS unit.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Fine adjustment of scan start
position misalignment
Perform the fine adjustment of scan start
position. (Function code 54)
2 Second side document
scanning position actuator
caught on some position
Re-assemble the second side document
scanning position actuator.
3 Second side CIS unit failure Replace the second side CIS unit.
4 Main PCB failure Replace the main PCB ASSY.
< User Check >
- Check whether the setting of the contrast does not become dark.
- Clean the second side document hold.
Step Cause Remedy
1 White level calibration data
failure
Perform the acquisition of white level data.
(Function code 55)
2 Dirt on the second side
document hold
Clean the second side document hold. Or
replace the ADF unit.
3 Dirt on the black reference
tape of the document scanner
unit
Clean the glass of the black reference tape
part. Or replace the document scanner unit.
4 First side or second side CIS
unit failure
Replace the first side or second side CIS
unit.
5 Main PCB failure Replace the main PCB ASSY.
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General
Weight and Dimensions
