Some ML-2165W units require a slightly different timing.
Samsung (now owned by HP) periodically updates printer firmware to block non-genuine toner cartridges. If you recently installed a compatible or remanufactured cartridge and the printer refuses to recognize it, a firmware reset can sometimes revert the printer to a more tolerant state—provided you haven't updated to the very latest blocking firmware. firmware reset samsung ml 2165w
Restoring your Samsung ML-2165W to its factory state or using a firmware "fix" requires careful execution to avoid bricking the device. Initial Troubleshooting Some ML-2165W units require a slightly different timing
Disconnect the printer from Wi-Fi. Physically connect the USB cable directly to your PC. A USB connection is mandatory because over-the-air firmware flashing is risky. Restoring your Samsung ML-2165W to its factory state
Release the button. The printer will reboot with factory default settings.
Before downloading a reset file, you must know what version you are currently running.