: The printer no longer checks for the CRUM chip on the cartridge.
Before applying any patch, you must know your current version to ensure compatibility. Configuration Report from the printer's menu. Look for the Firmware Version (e.g., V3.82.01.11). 2. Prepare the Printer Connect the printer to your computer via USB cable ; do not use Wi-Fi for firmware updates. Ensure the printer is in Download Mode (usually by holding specific buttons like Stop/Clear