Ricoh B064 SERIES Service Manual page 462

B064 SERIES SERVICE MODE
SC600: Data Communication
SC No.
601 D Communication error between BCU and scanner unit
• BCU does not communicate with
scanner unit within 0.8 s after
power on.
• BCU does not detect a break
signal after connecting to
scanner unit.
• Communication error detected 3
times.
610 D BCU ↔ ADF communication/timeout abnormal
After 1 data frame is sent to the
ADF, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
611 D BCU ↔ ADF communication/break reception abnormal
During communication a break
(Low) signal was received from the
ADF.
612 D BCU ↔ ADF communication/command abnormal
An command that cannot be
executed was sent from the main
machine to the ADF.
620 D BCU ↔ ADF communication/timeout error
After 1 data frame is sent to the
finisher MBX, an ACK signal is not
received within 100 ms, and is not
received after 3 retries.
621 D BCU ↔ Finisher communication/break error
During communication with the
finisher MBX, the BCU received a
break (Low) signal from the finisher.
623 D BCU ↔ Tray 1~3 communication/timeout error
After 1 data frame is sent to the
trays, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
624 D BCU ↔ Tray 1~3 communication/break reception error
During communication with the
finisher trays, the BCU received a
break (Low) signal.
626 D BCU ↔ LCT communication/timeout error
After 1 data frame is sent to the
LCT, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
627 D BCU ↔ LCT communication/break reception error
During communication with the
LCT, the BCU received a break
(Low) signal.
630 D CSS (RSS) communication error between line adapter and CSS center
Japan only
B064 Series/B140 Series
/B246 Series/D052 Series
CÓPIA NÃO CONTROLADA
Symptom
4-24
CÓPIA NÃO CONTROLADA
Possible Cause
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• Harness disconnected or defective
• A software error, result of an abnormal
procedure.
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
• Serial line connection unstable
• External noise on the line
SM