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CF5001 Field Service Ver.1.0 Sep 2003
(7) The flash ROM on the operation board/1 is
faulty.
Execute ISW again. If the same error occurs,
the flash ROM on the operation board/1 may be
faulty or it may have reached its life. Replace
the operation board/1.
(8) The checksum calculated after the program is
written does not become equal to the ROM
checksum data. Execute ISW again. If the
same error occurs, the ISW transfer data file
may not be downloaded properly.
(9) It cannot write/erase data to/from area on which
ISW is executed.
The flash ROM may be faulty or have reached
its life. Replace the object board.
The checksum calculated after the program is
written does not become equal to the ROM
checksum data. Execute ISW again. If the
same error occurs, the ISW transfer data file
may not be downloaded properly.
Note:
• If an error occurs during rewriting the pro-
gram on the overall control board, the opera-
tion panel cannot be displayed even if the
main switch is ON because the program con-
trolling the whole components has been lost.
Execute ISW in the power ON mode if such is
the case.
• If an error occurs during rewriting the pro-
gram on the operation board/1, it cannot be
started in the 25 mode because the error code
is displayed. Execute ISW in the HELP +
CHECK mode if such is the case.
D. 25 mode
a.
Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [11 ISW] key.
3. "ISW mode menu screen"
Select a program for which ISW is executed.
4. Pressing the [Start] key, cause the machine to
be data waiting condition.
Note:
• See "C. HELP + CHECK mode" since select-
ing "Operation panel" switches to the HELP
+ CHECK mode.
5. Execute the operation according to the proce-
dures specified in the "2.UPDATING WITH
ISW Trns."
Note:
• Do not turn OFF the copier while rewriting
the ISW data is being written.
3-7
ISW
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