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Latest Firmware V4.3.4-F2.13 (For C version motherboard)
Caution: Please make sure whether this firmware matches your printer, wrong update across different printers may turn it unusable. If you run into any problems with the firmware please contact our support team at firstname.lastname@example.org, we will try our best to help.
How to update:
Step 1 - Copy the files to the root directory of the USB flash drive
Step 2 - Insert the USB flash drive into the printer
Step 3 - Print the files on the printer to update, please following this order: .SH4 > .CBD > .logo > .bin > .txt