MUTOH Rockhopper II series Maintenance Manual page 215

(1) When using a flash memory card
Step 1 :
Remove the memory cover.
Step 2 :
Install the memory card for the installation of firmware into the memory card connector slot (J104)
of the Mainboard assembly.
Notes :
Step 3 :
Turn the power of the printer ON.
Step 4 :
Firmware installation starts.
Step 5 :
Check if the buzzer sounded and whether the firmware was installed correctly.
Step 6 :
Turn off the power source to the printer.
Step 7 :
Remove the memory card for firmware installation.
Step 8 :
Reinstall the memory cover.
(2) When using a computer
Step 1 :
Using a printer cable, connect the PC to the printer.
Step 2 :
Turn the power of the printer ON.
All lamps will flash for an instant.
Step 3 :
Press the [F2] key on the operation panel within 1 second.
The message "Ready to load" is displayed and the firmware install mode takes effect.
Step 4 :
Send new firmware data by MS-DOS copy command etc. (e.g. "COPY /B rh2.04.jfl LPT1")
Firmware installation will take about 60 seconds. The following messages will appear in order on
the LED display on the operation panel during installation.
"Loading"
"Erasing"
"Copying"
"Comparing"
"End"
Install the memory card so that its front points towards the inside of the printer.
Rockhopper II series printers – Maintenance Manual
216 AP-74065, Rev. 1.2, 27/09/04