Look for the "System Firmware Version" (e.g., V3.00.01.20) and the "CRUM Number" of the toner.
The term originated in online repair forums (like Badcaps.net, PrinterKnowledge.com, and GitHub repositories). This is not an official Samsung tool. Instead, it is a modified version of the factory service firmware. Samsung Printer Toner Reset Firmware Fix Patch
It is a feature that blocks cartridges using non-HP or non-Samsung chips. If you are using: Look for the "System Firmware Version" (e
Search for your model number followed by "EDC firmware" or "Service tool." Example: Samsung M2070 EDC firmware . Reliable sources include: Samsung Printer Toner Reset Firmware Fix Patch