Ricoh B156 Service Manual page 200

SERVICE CALL
No.
Definition
620 D ADF communication error
The ADF has been detected. → A
communication error has occurred.
630 C CSS communication error
The machine tries to communicate
with one of the terminals of a relevant
service center. → An error signal
returns.
632 D MF accounting device error 1
The machine sends a data frame. →
No normal end signal returns. → This
symptom happens three times.
633 D MF accounting device error 2
The machine is communicating with
the accounting device. → The break
signal returns.
634 D MF accounting device error 3
A backup RAM error is reported from
the accounting device.
635 D MF accounting device error 4
A battery voltage error is reported
from the accounting device.
640 C Engine-to-controller communication checksum error
While the BICU and controller are
communicating, a checksum error
has occurred.
641 C Engine-to-controller response error
The controller has sent a frame with
the RAPI protocol, but the engine
does not respond.
670 D Engine startup error
Just after the main power is turned on
or the machine is recovering from
auto off mode, the engine ready
signal assertion fails.
Just after the main power is turned
on, the engine does not respond.
B156/B220
CÓPIA NÃO CONTROLADA
Symptom
4-10
CÓPIA NÃO CONTROLADA
Possible Cause
• Loose connection
• Defective ADF
• Defective BICU board
• Defective scanner I/O board
• External noise
• Communication error on the public
telephone network (logged only; the
machine can still operate)
• Defective or broken line between
machine and device
• Defective or broken line between
machine and device
• Defective accounting device controller
• Defective battery in the accounting
device
• Defective accounting device controller
• Defective battery in the accounting
device
• Logged only; the machine can still
operate
• Defective controller board
• External noise
• Defective BICU
• Defective controller board
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