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Service Call Conditions
ADF connection error
621
B
An incorrect ADF (an ADF
ADF incorrect (The ADF for
for some other copier) is
B039/B040/B043 or B121/B122/B123
detected.
is installed on this machine.)
ADF gate abnormal 1
The ADF Gate signal line
760
B
between the ADF main
board and the BICU is
disconnected.
ADF main board defective
Input/output board defective
Poor connection (ADF Gate line)
between the ADF main board and the
BICU.
ADF gate abnormal 2
The FGATE signal is not
761
B
issued from the ADF within
ADF connector defective
30 seconds after the ADF
SBU board defective
starts feeding.
ADF gate abnormal 3
The FGATE signal is not
762
B
terminated by the ADF
ADF connector defective
within 60 seconds after the
SBU board defective
ADF starts feeding.
Mechanical total counter
901
B
The mechanical total
Mechanical total counter defective
counter does not work
BICU defective
properly.
Disconnected mechanical total counter
Engine total counter error
903
B
The checksum of the total
counter is not correct.
D096
3-10
NVRAM on the BICU defective
SM Appendix