2-66
Confidential
Error code A400
The ADF cover sensor detected that the ADF cover was open.
<User Check>
• Close the ADF cover correctly.
Error code A500
When scanning the fax, white or black correction data for the first side CIS unit was not within
the correct range (first time).
Error code A600
When scanning the fax, white or black correction data for the first side CIS unit was not within
the correct range (second time).
Step Cause Remedy
1
ADF cover actuator caught in
some sections of the machine
Reattach the ADF cover actuator.
2
ADF cove sensor attachment
failure
Reattach the ADF cover sensor.
3 ADF cover attachment failure Reattach the ADF cover.
4
Connection failure of the ADF
cover sensor harness
Reconnect the ADF cover sensor
harness.
5 Damaged ADF cover Replace the ADF cover.
6 ADF cover sensor failure Replace the ADF unit.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Incorrect correction data for first
side CIS unit
Execute “Acquire white level data
(Function code 55)”.
2
Dirt on the white tape on the
second side document hold
Clean the white tape on the second side
document hold.
3 Damaged first side CIS flat cable Replace the first side CIS flat cable.
4 First side CIS unit failure Replace the first side CIS unit.
5 White tape failure Replace the document scanner unit.
6 Main PCB failure Replace the main PCB ASSY.
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