3. Operation
84 GT-3 Series
3-2-3-4. Upgrade in Flash ROM writing error
This error shows when the firmware former than version 1.20 failed to write the Log info. Once this error
shows then it surely occurs in every initialization. Be sure to upgrade the firmware to the current version.
1. Make copy of the new firmware named as“GT3FIRM.bwf”in the root folder of the USB flash drive.
2. Insert the USB flash drive and turn ON the printer with pressing the Print Button.
3. Keep pressing the Print Button until the initial dialog (logo) is indicated on the Display, and the printer will
boot with the firmware “GT3FIRM.bwf”in the USB flash drive and then the issued program will be
overwritten.
4. After the printer is successfully initialized, remove the USB flash drive and turn OFF, and then turn ON
the printer again.
5. The firmware in the printer is still the old version. Upgrade the firmware in the normal way, eiher from PC
or from USB flash drive to the current version.
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