Samsung ML-2160 / ML-2165 / ML-2160W / ML-2165W
Printer displays "Replace toner" or "Toner empty" even with a non-genuine or refilled cartridge. Sometimes a firmware downgrade or reset is required to clear non-volatile memory (EEPROM) errors. firmware reset samsung ml 2160 2165 2160w 2165w link
: You can find specific firmware archives and custom reset services at ORPYS or through technical guides provided by eReset Samsung ML-2160 / ML-2165 / ML-2160W / ML-2165W