SFS Smart Filament Sensor,Filament Runout Sensor Support Klipper/Marlin/RRF SKR MINI E3/Octopus for Ender 3 FDM 3D Printer

High Precise: SFS smart filament runout sensor adopts high precise photoelectric induction technology, more accurate detection, detection length Upgrade add filament feeding lever, for easy flexible filament loading

Real Time Status Light indication: BTT SFS smart filament sensor upon detecting nozzle clogging, filament runout, filament tying, extruder malfunctions, filament run out or broken, SFS will provide corresponding lights for different issues and issue error alarms on the screen in a timely manner and automatically pauses printing, save resources

Upgrade of Bi-Directional Feeding: BTT smart filament sensor un by the installation direction of filament, eliminates concerns over orientation, enabling quick, easy installation and flexible positioning to maximize space.

Wide Compatible: smart filament runout sensor support Klipper/Marlin/RRF firmware, different firmware, different screen reminder interfaces, supports any motherboard with available I/O ports, (Endstop filament detection, BLtouch, induction sensor)such as SKR MINI E3 Pro/SKR turbo/SKR 3/EZ/SKR Pico, Manta M4P/M5P/M8P, Manta E3 EZ, Kraken board. (Notes: please consult our technical support before using the motherboard without filament runout port)

Easy Install and User: BTT SFS support direct-drive extruders and bowden extruders. Designed with 3 mounting holes on the back for easy to installation onto to printer using a bracket. (For Ender 3/ Ender 3 V2/ Ender 3 V1/Voron , the bracket STL file can be downloaded in SFS github)

After-sales Service: The manual and installation instructions have been uploaded to SFS Github, If you have any problems during use, please tell us as soon as possible. we will give you a satisfactory solution