Ricoh D014 - Sc Codes Group 6: Device Communication

Service Call Tables
SM 4-49 D014/D015/D078/D079
Trouble-
shooting
4.2.6 SC CODES GROUP 6: DEVICE COMMUNICATION
ARDF communication error
SC620 D
A BREAK signal occurs after
the machine detects the
ARDF, or a communication
timeout occurs.
 ARDF disconnected
 VBCU board harness disconnected,
defective
 VBCU board defective
 Spurious noise from the power
supply line
 ARDF defective
Mailbox-to-Finisher communication error
SC621 D
Communication between the
mailbox and finisher is
interrupted. An ACK/NCK
signal was not received within
100 ms after a data frame is
sent and 3 retries failed.
 Connection cable between mailbox
and finisher disconnected, defective
 Finisher main board defective
 VBCU defective
 PSU defective
PFB communication error
SC622 D
Communication between the
VBCU and PFB was interrupted.
(Communication status is
monitored at 30 ms intervals.)
 Connection cable between the
VBCU and PFB is disconnected,
defective
 VBCU defective
 PFB defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA