Muratec MFX-2550 Field Engineering Manual page 198

Manual update
Updating the ROM manually either by selecting the latest ROM version or by selecting the desired version.
Two or more ROM data can be saved on an USB memory.
Machine
Network
PCL
See "Auto Update" for the saving and naming rules of folders and data.
1 Connect the USB memory in which the firmware is stored.
2 Press <Setting>, <*>, <9>, <8>
3 Press [Update from the USB].
USB flash memory
Boot
2550USA
OB750
OP700EN
2550USA
2550USA_Ver.txt
2550_USA_xxxxxx_update.bin
OB750_Ver.txt
OB750_xxxxxx.zip
FWUD.bin
OP700EN_Ver.txt
OP700_EN_xxxxxx.bin
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