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: The file must be named exactly firmware.bin . If the printer has been updated before with that name, some users recommend slightly changing the name (e.g., firmware_1.bin ) to trigger the flash, but firmware.bin is the standard. Flash the Printer : Turn off the printer. Insert the microSD card into the printer's slot. Turn the printer on.
Before diving into the "how," we must address the "why." If your printer is working perfectly, you might be tempted to skip updates. However, there are several compelling reasons to keep your firmware current.