Ricoh LD013, Руководство по обслуживанию

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SERVICE CALL CONDITIONS
B039/B040/B043 4-6 SM
No.
Definition
Symptom Possible Cause
Communication error between BiCU and fax controller 691 B
The BiCU board cannot communicate
with the fax controller.
•
Poor connection between the BiCU
board and the fax controller
•
BiCU board defective
•
Fax controller defective
Communication error between BiCU and printer controller 692 B
The BiCU board cannot communicate
with the printer controller.
•
Poor connection between the BiCU
board and the printer controller.
•
BiCU board defective
•
Printer controller defective
Fax firmware error 695 B
The fax program cannot be started.
(
☛
Fax Service Manual)
•
The fax firmware download has not
been completed correctly. Try again.
ADF gate abnormal 760 B
The ADF Gate signal line between the
ADF main board and the IOB is
disconnected.
•
ADF main board defective
•
Input/output board defective
•
Poor connection (ADF Gate line)
between the ADF main board and the
IOB.
Electrical total counter error 900 B
The electrical total counter does not
work properly.
•
NVRAM defective
Mechanical total counter 901 B
The mechanical total counter does not
work properly.
•
Mechanical total counter defective
•
IOB defective
•
Disconnected mechanical total
counter
IMB memory controller error 921 B
A memory control job is not completed
within a certain period.
•
IMB defective
•
BiCU defective
•
Poor connection between IMB and
BiCU
IMB DRAM error 922 B
The machine detects a discrepancy in
the IMB DRAM write/read data during
its write/read test (done at power off/on
and at recovery from low power or
night/off mode).
•
IMB defective
•
BiCU defective
•
Poor connection between BiCU and
IMB
Optional DRAM error 924 B
The machine detects a discrepancy in
the Optional DRAM write/read data
during its write/read test (done at power
off/on and at recovery from low power
or night/off mode).
•
Non-supported DRAM connected
•
Poor connection between IMB and
optional DRAM
•
Optional DRAM defective
•
IMB defective
•
BiCU defective