If the internal software is corrupted, downloading the official firmware from the HP Support site (which now handles Samsung printers) is the safest route: Connect the printer via USB (do not use Wi-Fi for this). Download the latest firmware file. Run the executable and follow the prompts.
The Samsung ML-2165W does not have a fancy LCD screen, which makes navigation tricky. Fortunately, you can perform a full NVRAM (Non-Volatile RAM) reset using a specific sequence of button presses. This is the most common method associated with the search query. firmware reset samsung ml 2165w
: If connected to your network, access the printer's IP address in a browser. Log in (default admin/admin) and look for Maintenance System Setup If the internal software is corrupted, downloading the
The ML-2165W struggles when switching between USB and Wi-Fi frequently. Pick one connection method and stick with it. The Samsung ML-2165W does not have a fancy
Over time, print jobs can leave residual data in the printer’s memory. If you see obscure error codes on your computer’s print queue, a hard reset clears the RAM and system cache.
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.
This resets the printer’s internal memory, clears error logs, resets toner counters, and wipes network settings. It is the closest thing to a true firmware reset without specialized service equipment.