Oki 6E - Manual (Page 207)

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2.5 Option Button
It displays the Option Menu Dialog.
For details, refer to 3. Option Menu Dialog.
2.6 About Button
It opens the About Dialog box to display information on the Maintenance Utility and the printer
firmware.
2.7 Reload Button
It performs the same operation as that of the program start up. It reads out printer menu settings
and counter values.
This function is mainly used to copy the settings of previous printer into newly replaced printer
or newly replaced main control board.