If the physical buttons aren't working, you can use the official software to restore defaults. Open on your connected PC. Select your Samsung ML-2165 from the list.
Disclaimer: Resetting the toner counter may void your warranty if you use third-party cartridges. However, the ML-2165 is an older model, and most manufacturers no longer support it. Always use genuine Samsung/HP toner for optimal results, but if you choose compatible cartridges, resetting is often necessary. how to reset samsung ml-2165 printer
The ML-2165 is a workhorse, but its aggressive page counting and sensor sensitivity mean you will likely need to reset it multiple times over its life. Bookmark this guide – the next time your printer flashes a false "Toner Empty" warning in the middle of a critical print job, you will know exactly how to bring it back to life in under two minutes. If the physical buttons aren't working, you can
For more complex firmware-based resets (often used to permanently bypass chip requirements), you must first identify your printer's specific data: Disclaimer: Resetting the toner counter may void your