Service manual

2-57
Confidential
■ Error code A4
The ADF cover is open.
■ Error code A5
Scanning failure upon FAX transmission. (Scanning unit failure for the first time.)
■ Error code A6
Scanning failure upon FAX transmission. (Scanning unit failure for the second time or later.)
■ Error code A7
Scanning color parameter file failure.
Cover is Open
Close the ADF Cover.
<User Check>
• Close the ADF cover.
Step Cause Remedy
1
Coming off of document detection
actuator/ADF cover open actuator
Re-assemble the document detection
actuator/ADF cover open actuator.
2
Harness connection failure of
document detection sensor/ADF
cover open sensor PCB
Check the harness connection of the
document detection sensor/ADF cover
open sensor PCB and reconnect it.
3
Deformation and/or breakage of
ADF cover
Replace the ADF cover ASSY.
4
ADF cover open sensor failure Replace the document detection sensor/
ADF cover open sensor PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Scan Unable A5
Remove the original document. Turn the power off, then on again.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Scan Unable A6
See Troubleshooting and routine maintenance chapter in User's Guide.
Step Cause Remedy
1
White level data failure Execute the "Acquisition of white level data
(Function code 55)".
2 Document scanner unit failure Replace the document scanner unit.
3 Main PCB failure Replace the main PCB ASSY.
Print Unable A7
Turn the power off and then back on again.