: To allow the printer to function with refilled cartridges or cartridges without a CRUM chip. Pre-Requisites for Installation Before starting, ensure you have the following:
To fix the error or apply a firmware reset, you must update the printer's internal software to resolve communication issues or bypass toner chip locks. This specific version, V1.01.00.30 , is a common firmware baseline for ML-1660, ML-1665, and ML-1667 printer series. Understanding the .fls File Fix Ml1660 V1.01.00.30.fls
The process generally involves using a "USBPRNS2.exe" or "download.bat" tool to push the .fls file to the printer. : To allow the printer to function with
: Drag and drop the FIX_ML1660_V1.01.00.30.fls file onto the usbprns2.exe application icon. Alternatively, run the download.bat file if your package includes one. Understanding the
: This often indicates low toner or a minor paper jam rather than a firmware failure.
: Ensure a consistent power source; a power failure during the update can "brick" the printer (render it permanently unusable). How to Apply the Fix Ml1660 V1.01.00.30.fls
: Once the printer restarts, the toner counters should reset to 100%. If you applied a chip-fix, you can now cover the toner cartridge chip with tape to continue printing. Troubleshooting Common Errors