Service Dos - Konica Minolta IP-423 Service Manual

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5.
1
Turn the copier's main power switch OFF.
6.
Unplug the serial cable.
7.
Turn the copier's main power switch back ON to check if it behaves normally.
G

Service DOS

The print controller stores DOS (Embedded DOS) along with the BIOS program in flash ROM memory. This
can be used to perform a file system check and surface check on the optional hard disk. For more informa-
tion about this, refer to "Diagnostics for the Hard Disk"
The printer controller BIOS and DOS data are stored in Flash ROM memory.
The DOS program stored in flash ROM can be run from a computer connected to the service port (RS-232C
Serial port).
Booting Up Service DOS
1.
Boot up HyperTerminal.
Refer to "Booting Up HyperTerminal"
2.
Type in [k], followed by [a] while "Ext Memory Test" is running.
3.
The DOS is boot up.
4.
When the message "Enter new data (mm-dd-yy):" appears, enter the current date (ex:
08-24-2001) and press the Enter key.
5.
When the message "Enter new time (hh:mm:ss):" appears, enter the current time (ex:
18:14:20) and press the Enter key.
Now DOS commands are available for use.
Caution
If the copier's main power switch is turned ON again immediately after the
power has been turned OFF, the print controller may fail to function correctly
and errors may occur.
If this happens, turn the copier's main power switch OFF and wait at least 10
seconds before turning it back ON again.
Chapter 3 Field Service
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