Ricoh D096 Service Manual page 204

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