Ricoh TH-C1b, Руководство по обслуживанию

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SERVICE CALL 10 February 2005
4-10
No.
Definition
Symptom Possible Cause
ADF communication error 620 D
The ADF has been detected.
→
A
communication error has occurred.
•
Loose connection
•
Defective ADF
•
Defective BICU board
•
Defective scanner I/O board
•
External noise
CSS communication error 630 C
The machine tries to communicate
with one of the terminals of a relevant
service center.
→
An error signal
returns.
•
Communication error on the public
telephone network (logged only; the
machine can still operate)
MF accounting device error 1 632 D
The machine sends a data frame.
→
No normal end signal returns.
→
This
symptom happens three times.
•
Defective or broken line between
machine and device
MF accounting device error 2 633 D
The machine is communicating with
the accounting device.
→
The break
signal returns.
•
Defective or broken line between
machine and device
MF accounting device error 3 634 D
A backup RAM error is reported from
the accounting device. •
Defective accounting device controller
•
Defective battery in the accounting
device
MF accounting device error 4 635 D
A battery voltage error is reported
from the accounting device.
•
Defective accounting device controller
•
Defective battery in the accounting
device
Engine-to-controller communication checksum error 640 C
While the BICU and controller are
communicating, a checksum error
has occurred.
•
Logged only; the machine can still
operate
Engine-to-controller response error 641 C
The controller has sent a frame with
the RAPI protocol, but the engine
does not respond.
•
Defective controller board
•
External noise
Engine startup error 670 D
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.
•
Defective BICU
•
Defective controller board