Oki Data CONFIDENTIAL
42615101TH Rev.8 186 /
Table 7-1-2 Service Call Error (7/7)
XXXXXXXXXXXXXXXX
CRC CHECK ERR
XXXXXXXXXXXXXXXX
PU DOWNLOAD MODE
XXXXXXXXXXXXXXXX
FLASH TOGGLE ERR
XXXXXXXXXXXXXXXX
ERR PU-DCON BUSY
OPECODE TRAP ERR
BRK INST EXECUTE
WDT ERROR
COMMUNICATION
ERROR
After PU data (PU firmware,
custom media data and LED
head adjustment data)
downloading, a CRC check error
was detected.
Does error reoccur?
A flash ROM writing error was
detected during the downloading
of PU data.
Does error reoccur?
Is the CU assy installed
properly?
Does the printer recover from
the error by replacing the ARC/
SPY/SPA board.
Does error reoccur?
Does error reoccur?
Does error reoccur?
Is the CU assy installed
properly?
Does the printer recover from
the error by replacing the ARC/
SPY/SPA board.
Turn on the printer
again and redownload
the data (during usual
printer operation, the
downloading is not
performed and the
error does not occur).
Turn on the printer
again.
Replace the PU board
(PRN).
Turn on the printer
again and redownload
the data (during usual
printer operation, the
downloading is not
performed and the
error does not occur).
Replace the PU board
(PRN).
Reinstall the assy
properly.
Replace the ARC/SPY/
SPA board.
Replace the PU board
(PRN).
Turn on the printer
again.
Replace the PU board
(PRN).
Turn on the printer
again.
Replace the PU board
(PRN).
Turn on the printer
again.
Replace the PU board
(PRN).
Reinstall the assy
properly.
Replace the ARC/SPY/
SPA board.
Replace the PU board
(PRN).
A PU download
data CRC check
error.
A PU board flash
ROM hash check
error.
A PU board flash
ROM writing
error.
An error in
communication
with the ASIC on
the CU board.
PU firmware went
haywire.
PU firmware went
haywire.
PU firmware went
haywire.
An error in a PU-
CU interface.
Ye s
Ye s
No
Ye s
No
Ye s
Ye s
Ye s
No
Ye s
No
Error DescriptionMessage Cause Solution