2-74
Confidential
■ Error code AD00
First side scanned data cannot be output with the required number of pixels, and image
processing cannot be completed successfully.
■ Error code AF00
The first side CIS fails to move, remaining at the home position.
■ Error code B000
The first or second side CIS flat cable was detected to be not inserted correctly.
Scan Unable AD
Remove the original document. Turn the power off, then on again
Step Cause Remedy
1 First side CIS unit calibration
data error
Perform "Function code 55". (Refer to
"1.4.18 Acquisition of white level data and
setting of CIS scanning area" in Chapter 5.)
2 First side CIS unit failure Replace the first side CIS unit.
3 Main PCB failure Replace the main PCB ASSY.
Scan Unable AF
Turn the power off and then back on again.
Step Cause Remedy
1 Dust adhered to CIS rail Remove the dust from the CIS rail.
2 Coming off of CIS drive belt Re-assemble the CIS drive belt.
3 Document scanner motor
harness connection failure
Check the document scanner motor
harness connection and reconnect it.
4 First side CIS unit failure Replace the first side CIS unit.
5 Document scanner motor failure Replace the document scanner unit.
6 Main PCB failure Replace the main PCB ASSY.
SCANNER ERROR FB / SCANNER ERROR ADF
Step Cause Remedy
1 First side CIS harness
connection failure
Check the first side CIS harness
connection and reconnect it.
2 Second side CIS harness
connection failure
Check the second side CIS harness
connection and reconnect it.
3 First side CIS unit failure Replace the first side CIS unit.
4 Second side CIS unit failure Replace the second side CIS unit.
5 Main PCB failure Replace the main PCB ASSY.