support.hp.com -> Search for "Samsung ML-2160" -> Select "Software and Drivers" -> Choose your operating system -> Download the "Firmware Update Utility".
If you encounter a blinking red light after running the update process, test these solutions to resolve the error: Root Problem Diagnostic Indicator Corrective Action Blinking Red Light
If your version ends in "NU" (Non-Upgradable), standard reset files may not work. Troubleshooting Common Issues
A standard "Factory Reset" via the menu will not remove this lock. The only way to force the printer to ignore a refilled cartridge is to replace the chip (which costs money) or perform a . This involves uploading a modified "FIX" firmware to the printer’s memory that disables the chip-reading function. After a successful reset, the printer will always show 100% toner, and you can refill the cartridge multiple times.
The most reliable source is Samsung’s successor in printing, (HP acquired Samsung’s printer business in 2017). The official support portal for these models is hosted under HP’s domain. To perform a firmware update (which acts as a deep reset), navigate to: firmware reset samsung ml 2160 2165 2160w 2165w link
FIX_XXXXX.hd — The customized firmware binary file built for your version.
Place a small piece of dark electrical tape or masking tape completely over these gold contacts. This forces the printer to look strictly at its newly modified internal firmware rather than reading data from a physical chip.
Ensure the toner chip is covered and there are no paper jams.
Follow these instructions carefully to flash the new firmware: support
The printer is now reset to factory default settings.
This is the most reliable method for a hardware reset.
Once the reboot completes, take out the toner cartridge and place a piece of tape or opaque sticker over the metal contacts of the cartridge chip to isolate it.
The modified firmware alters how the printer interacts with the cartridge. The only way to force the printer to
Open the printer cover and remove the toner cartridge.
The "full story" behind firmware resets for the Samsung ML-2160, ML-2165, and their wireless "W" counterparts is a long-standing battle between printer owners and manufacturer-imposed cartridge locking systems. The Conflict: Toner Chips vs. Refills These printers use
A command prompt window will appear. Do not turn off the printer.
Release it to print the sheet, which lists your 11-digit CRUM Number . (Wireless Models) Turn on the machine.