Ricoh G176 Service Manual page 186

Firmware Update
6. Scroll to the program to upgrade, then press [#Enter].
7. Press the [Online] to start the upgrade. You will see a series of messages. If you
selected "Engine", for example", you would see:
ROM Update
*****************
Updating
*****************
Updated
Power Off On
The "Power Off On" message appears after about 90 sec.
8. Turn off the power, remove the SD card from Slot 1, and turn on the power.
-or-
If you intend to update another program, leave the SD card in Slot 1 and turn on the
power.
The firmware has not updated successfully if the "Power Off On" message
does not appear. If this occurs, turn the machine power off/on and repeat the
procedure.
G176/G177/G176L 5-84 SM