Fix Ml1660 V1.01.00.30.fls ((exclusive)) -

Extract your downloaded file package to a clean directory on your PC. You should see FIX_ML1660_V1.01.00.30.fls (or a .hd equivalent) alongside the usbprns2.exe execution file.

: Once the printer restarts automatically (usually after 2–5 minutes), tape over the chip on the toner cartridge to prevent the printer from reading its original counter data Google Groups Key Considerations

Contains the patched bin data that permanently disables the smart-chip verification step. (or usblist2.exe ) Specialized USB Flashing Utility Fix Ml1660 V1.01.00.30.fls

. Using this on a different version can "brick" the printer.

: You will need to obtain two specific files online: usblist2.exe , which is the official Samsung tool for sending firmware data, and the specific FIXML1660V1.01.00.30.fls file. Extract your downloaded file package to a clean

: Connect your printer via a high-quality USB cable directly to a rear USB port on your desktop or directly to your laptop. Do not attempt this over a USB hub. Step-by-Step Installation Guide

The printer’s status light will begin blinking rapidly in different colors (green, amber, red). This means the flash memory is being rewritten. The process takes roughly 1 to 3 minutes. (or usblist2

Reset the toner counter to 100% permanently, allowing the use of cartridges without electronic chips.