: Clear persistent "toner empty" or "invalid toner" errors that prevent operation. Step 1: Gathering Printer Information
Hold the button (or WPS for "W" models) for approximately 10 seconds until the green LED flashes once, then release. firmware reset samsung ml 2160 2165 2160w 2165w
Firmware Reset for Samsung ML-2160, ML-2165, ML-2160W, and ML-2165W : Clear persistent "toner empty" or "invalid toner"
To reset the firmware, you typically need a specific "FIX" file tailored to your CRUM and Serial Number. and ML-2165W To reset the firmware