Ricoh K-C3

B245/B276/B277/B268/B269 Service Manual 18-Jan-06
126
No.
Definition
Symptom Possible Cause
BICU.
Controller board communication abnormal
694
Communication error
between the scanner part
of the controller board and
BICU.
 The connector is abnormal between
the controller board and the BICU
board.
ADF gate abnormal 1
760 B
The ADF Gate signal line
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
761 B
The FGATE signal is not
issued from the ADF
within 30 seconds after
the ADF starts feeding.
 ADF connector defective
 SBU board defective
ADF gate abnormal 3
762 B
The FGATE signal is not
terminated by the ADF
within 60 seconds after
the ADF starts feeding.
 ADF connector defective
 SBU board defective
Startup without video output end error
800 B
Video transfer to the
engine is started, but the
engine did not issue a
video transmission end
command within the
specified time.
 Controller board defective
Startup without video input end
804 B
A video transmission was
requested from the
scanner, but the scanner
 Controller board defective