Upgrade Firmware Without Accessing The Touch Screen
Corrupt firmware may disable access to the firmware upgrade menu. This method instructs the printer to bypass the installed firmware and boot off of a USB drive.
Summary of Steps
Create a USB firmware upgrade drive
Remove power from the printer
Plus the upgrade drive into the printer
Press feed + restore power to initiate firmware upgrade
3. Drag or copy the Upgrade, BootUpgrade & SafeUpgrade folders foldersonto the Root of the usb flash drive. (example: F:\BootUpgrade )
4. Remove the power plug from the printer
5. Insert the flash drive into the USB port on the side of the printer
6. While holding the Feed button, connect the power cord to the printer and release Feed button once upgrade starts. Using this method will instruct the printer to bypass the Menu on the LCD screen and instruct it to boot directly from the flash drive.