2GM
1-5-8
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C0030
C0070
C0150
C0160
C0170
C0180
C0210
Fax control PWB system problem
• Processing with the optional fax soft-
ware was disabled due to a hardware
or software problem.
Fax control PWB incompatibility de-
tection problem
• Optional fax software is not compat-
ible with main software.
Backup memory read/write problem
(engine PWB)
• Read and write data does not match.
Backup memory data problem (en-
gine PWB)
• Data in the specified area of the
backup memory does not match the
specified values.
Accounting count problem
• When the power is turned on, the to-
tal count and the scan count are ab-
normal both on the main PWB and
the engine PWB.
Machine number mismatch
• When the power is turned on, the ma-
chine number does not match be-
tween the main PWB and the engine
PWB.
Communication problem between
the main PWB and engine PWB
• When the power is turned on, the ma-
chine does not detect the low level of
SBSY and the high level of SDIR for
three seconds.
Defective fax con-
trol PWB.
Fax software or
main software is
something of the
other machine.
Defective backup
RAM or engine
PWB.
Problem with the
backup memory
data.
Defective backup
RAM.
Defective main
PWB or engine
PWB.
Defective main
PWB or engine
PWB.
Poor contact in
the connector ter-
minals.
Defective main
PWB or engine
PWB.
Replace the fax control PWB and check for
correct operation.
Check the version of the Fax software and
the main software, upgrade the version to
the compatible software.
Replace the engine PWB and check for
correct operation.
Turn interlock switch off and back on and
run maintenance item U020 to set the con-
tents of the backup memory data again.
If the C0160 is displayed after re-setting
the backup memory contents, replace the
backup RAM or engine PWB.
Replace the main PWB or engine PWB
and check for correct operation.
Replace the main PWB or engine PWB
and check for correct operation.
Check the connection of connectors YC7
on the main PWB and YC3 on the engine
PWB, and the continuity across the con-
nector terminals. Repair or replace if nec-
essary.
Replace the main PWB or engine PWB
and check for correct operation.
1-5-2 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled. C and a number
between 0030 and 7990 altenates, indicating the nature of the problem.
After removing the problem, the self-diagnostic function can be reset by turning interlock switch off and back on.
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