After the firmware is applied, the printer no longer needs to read the chip. Open the printer and remove the toner cartridge.
Press and hold the button on your printer control panel. After the firmware is applied, the printer no
If your printer is heavily locked or failing to accept normal transfers, you may need to force flash mode. Turn off the printer. Hold down the Print Screen button while turning the printer back on via the Power button. Release both buttons when the LED indicator lights up. After the firmware is applied
Ensure your computer is connected to a stable power source (a laptop with a full battery or a desktop on a UPS is preferred). Step 2: Extract the Firmware Files After the firmware is applied, the printer no