Sc6Xx: Device Communication - Ricoh D158 Service Manual

SC6xx: Device Communication

No.
Definition
Communication error between BICU and ADF
The BICU does not
receive a response from
the ARDF main board for
620 B
4 seconds or more.
The BICU receives a
break signal from the
ARDF main board.
ADF connection error (D160/D161/D170)
An incorrect ARDF is
detected.
621 B
An ARDF (including the
correct ARDF) is installed
while the copier is in the
energy saver mode.
Paper Bank communication error
An error occurs during
line connection.
622 B
A communication error
report is received from the
UART.
Accounting error 1
An error is detected
632 B
during the communication
with the MF accounting
device.
D158/D159/D160/D161/D170
Symptom

Poor connection between the
BICU and ARDF main board (DF
connector)

ARDF main board

BICU defective

ARDF incorrect

The connector of the ARDF is
installed while the machine is in
the energy saver mode.

The paper bank's control board is
faulty.

Defective BCU/IOB

The paper bank's connection is
faulty.

Accounting device

Loose connection
5-25
Service Call Conditions
Possible Cause
SM