Oki C710, Руководство по обслуживанию

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43856301TH Rev.3
147 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
Display Cause Error details Remedial measure
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CRC CHECK NG ( )
CRC check
error of
the PU
downloaded
data
The CRC check error is
detected upon completion of
the PU data downloading (PU
firmware, Custom media data)
After turning
on the power
again, perform
downloading
again. (This error
does not occur
during the normal
operation because
this processing is
not carried out.)
LOADER VERSION
xx xx
PU board
Flash ROM
hash check
error
Does this error recur? Yes
Turn on the power
again.
Replace the PU
board.
WDT ERROR
R14=××××××××
PU firmware
runaway
Does this error recur? Yes
Turn on the power
again.
Replace the PU
board.
COMMUNICATION
ERROR
I/F error
between PU
and CU
Is the CU assembly installed
normally?
Does this error recur?
No
Yes
No
Re-install the
CU assembly
normally.
Replace the CU
board.
Replace the PU
board.
ASIC ERROR DCON
access error
Does this error recur? Yes Replace the CU
board.
Note! Service calls 168 error, 171 error, 175 error, 903 error and 904 error; These
errors can occur when the printer temperature is below 0 . Turn on the
power again after the printer temperature has increased.