Ricoh D065 Service Manual page 476

Rev. 03/12/2010
trays, an ACK signal is not
received within 100 ms, and is
not received after 3 retries.
⇒
BCU/Finisher communication / timeout error
After 1 data frame is sent to the
625 B
Finisher MBX, and an ACK signal
is not received within 100ms, and
is not received after 3 retries.
BICU, LCT communication/timeout error
After 1 data frame is sent to the
626 D
LCT, an ACK signal is not
received within 100 ms, and is
not received after 3 retries.
BICU, LCT communication/break reception error
During communication with the
627 D
LCT, the BICU received a break
(Low) signal.
SM Appendix
Service Call Conditions
External noise on the line
Serial line connection unstable –
Finisher interface cable
External noise on the line
Finisher main board
BCU
Serial line connection unstable
External noise on the line
Serial line connection unstable
External noise on the line
3-31 D062/D063/D065/D066