Sc Codes Group 6: Device Communication - Ricoh D014 Service Manual

4.2.6 SC CODES GROUP 6: DEVICE COMMUNICATION

ARDF communication error
A BREAK signal occurs after
SC620 D
the machine detects the
ARDF, or a communication
timeout occurs.
Mailbox-to-Finisher communication error
Communication between the
mailbox and finisher is
SC621 D
interrupted. An ACK/NCK
signal was not received within
100 ms after a data frame is
sent and 3 retries failed.
PFB communication error
Communication between the
SC622 D
VBCU and PFB was interrupted.
(Communication status is
monitored at 30 ms intervals.)
SM
CÓPIA NÃO CONTROLADA
4-49
CÓPIA NÃO CONTROLADA
Service Call Tables
ARDF disconnected
VBCU board harness disconnected,
defective
VBCU board defective
Spurious noise from the power
supply line
ARDF defective
Connection cable between mailbox
and finisher disconnected, defective
Finisher main board defective
VBCU defective
PSU defective
Connection cable between the
VBCU and PFB is disconnected,
defective
VBCU defective
PFB defective
D014/D015/D078/D079