Muratec MFX-2550 Field Engineering Manual page 199

4 Press either [Update to the latest version] or [Specify with specified version].
5 Select the ROM type and ROM version to update, and press [Enter].
When [Update to the latest version] is pressed, select the ROM type to update. The selected ROM
type will be highlighted.
When [Specify with specified version] is pressed, select the ROM type and enter the ROM version.
6 Press [Update].
7 Press [Yes] and the updating starts.
8 When the display shows "Firmware Updating OK", turn the machine OFF and ON.
9 Press <My MFP> and check the ROM version to see the update has succeeded.
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