2-52
Confidential
Error code AF00
Home position is still being detected even after the first side CIS unit was moved.
Error code B000
Detected that the CIS flat cable was not inserted correctly when function code 55 was
executed.
Step Cause Remedy
1 Dust on the CIS guide shaft Remove the dust on the CIS guide shaft.
2 CIS drive belt coming off Reattach the CIS drive belt.
3
Wrong wiring of the first side CIS
flat cable
Reattach the first side CIS flat cable.
4
Connection failure of the FB
motor harness
Reconnect the FB motor harness.
5
Connection failure of the first
side CIS flat cable
Reconnect the first side CIS flat cable.
6 Damaged first side CIS flat cable Replace the first side CIS flat cable.
7 First side CIS unit failure Replace the first side CIS unit.
8 FB motor failure Replace the document scanner unit.
9 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the CIS flat
cable
Reconnect the CIS flat cable.
2 Damaged CIS flat cable Replace the CIS flat cable.
3 CIS unit failure Replace the CIS unit.
4 Main PCB failure Replace the main PCB ASSY.