Ricoh D129 - Page 511

Service Call Conditions
D129/D130 6-22 SM
622 D
Paper feed unit communication error
While the IOB communicates with a peripheral, an SC code is displayed if
one of following conditions occurs.
 The IOB receives the break signal which is generated by the peripheral
only just after the main switch is turned on.
 The IOB receives the break signal which is generated by URAT.
 Defective main control board of the peripheral
 Defective BCU or IOB
 Disconnected peripheral
623 D
2nd Paper Bank communication error
This SC is not issued for this machine when a communication error signal
between the 1st paper bank and 2nd paper bank is received.
 Loose connector
630 C
CSS communication error
A communication error occurred during communication with the CSS.
 Communication line error
632 B
MF accounting device error 1
The controller sends data to the accounting device, but the device does not
respond. This occurs three times.
 Loose connection between the controller and the accounting device
633 B
MF accounting device error 2
After communication is established, the controller receives the brake signal
from the accounting device.
 Loose connection between the controller and the accounting device