Fix Firmware Ml2165 Ml2168 Chip Reset Printer Samsung 676 Link -

Once you have successfully performed the process:

If after downgrading firmware and replacing the chip the printer still shows , the mainboard’s NVRAM may be permanently corrupted. These printers are disposable by design. A used replacement Samsung M2020 costs less than a new cartridge + chip. Consider retiring the unit. Once you have successfully performed the process: If

With the printer on, hold the Stop/Cancel button for 10–15 seconds until the LEDs flash, then restart the device. Consider retiring the unit

Samsung/HP pushed firmware updates after 2018 that actively block third-party and refilled cartridges. The is to downgrade to an older firmware version that does not enforce chip lockdown. The is to downgrade to an older firmware

: Ensure the printer is connected directly to your computer via a USB cable. Enter Download Mode : With the printer OFF, hold the Print Screen button, then press and hold . Release both after a few seconds. Run the Update : Drag and drop the firmware file onto the usbprns2.exe (or similar loader) application. Reboot and Tape Chip : After the printer reboots, remove the toner cartridge and cover the chip with tape