MAINTENANCE
5-10 EPT024619 Issue 1 June 2016
UPDATE FIRMWARE
CAUTION: Do not turn off the printer or disconnect the power
supply whilst the printer firmware is being updated.
Notes: (1) A blank USB flash drive with a capacity less than 4GB is
required for this procedure.
(2) A USB wireless keyboard will be required to control the printer
for this procedure.
(3) All data and settings saved in the printer will be lost after the
firmware is updated.
To updated the printers firmware:
(1) Download the firmware files to a PC.
(2) Insert the USB flash drive into the PC’s USB port.
(3) Copy the new firmware file onto the USB flash drive.
(4) Disconnect the USB flash drive from the PC.
(5) Disconnect all of the inputs and outputs on the G20i except for the
power supply and USB wireless keyboard.
(6) Remove the ink cartridge from the G20i.
(7) Insert the USB flash disk into the G20i’s USB flash port.
(8) From the printer’s main menu, use the wireless USB keyboard to
move the cursor to highlight Settings.
(9) Press the Enter button.
(10) Move the cursor to highlight About.
(11) Press the Enter button.
(12) Move the cursor to highlight Update firmware.
(13) Press the Enter button.
(14) Move the cursor to highlight Yes.
(15) Press the Enter button.
(16) The update process will take up to 10 minutes to complete.
(17) After the update is complete, press ESC to return to the printer’s main
menu.
(18) Press the F12 button.
(19) If the G20i’s language files need to be updated, leave the USB flash
drive in the G20i and follow the Update Languages procedure on
page 5-11. If the language files do not need to be updated, the USB
flash drive can now be disconnected from the G20i.
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