**Verdict: ** ⭐⭐⭐⭐ (4/5) "The only way to save a dead printer, but not for the faint of heart."
If you own a Samsung monochrome laser printer from the ML-2160 series, you have likely encountered a frustrating reality: automatic firmware updates often disable third-party or refilled toner cartridges. One day your printer works perfectly; the next, it shows a permanent "Non-Samsung Toner" or "Replace Toner" error—even when the cartridge is full. firmware reset samsung ml 2160 2165 2160w 2165w link
Standard Samsung cartridges contain a CRUM chip. This chip counts pages and "locks" the printer once a certain limit is reached, even if ink remains. A firmware reset modifies the printer's internal software to ignore this chip signal. Supported Models ML-2160 / ML-2165: Standard USB models. ML-2160W / ML-2165W: Wireless-enabled models. 🛠️ Step 1: Identify Your Printer Data Product Review: Samsung ML-2160 / ML-2165W Firmware Reset
If a newer firmware blocks third-party toner, you must downgrade: The printer’s LED will blink green/red alternately