BIGTREETECH SFS V2.0 User Manual
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Product Profile
SFS V2.0 is a smart filament sensor that enhances 3D printing reliability by
leveraging a highly accurate photoelectric sensor to detect problematic filament
issues like runout, tying, and clogging.
Feature Highlights
1. The SFS V2.0 is bi-directional, there is no restriction on filament direction,
giving the users more flexibility during installation.
2. It detects extrusion errors caused by filament runout, nozzle clogging,
filament tying, and extruder trouble. It has two signal outputs and indicator
lights to distinguish between clogging or filament runout.
3. Works with Marlin, Klipper, and RRF firmware.
4. Compact, lightweight, and easy to install.
5. Works with Bowden extruders and direct-drive extruders.
6. Support motherboards with available endstop ports or dedicated filament
runout ports.
Instruction
The filament can be threaded through either side of the SFS V2.0, as
directionality does not affect functionality.
The red light will illuminate when there is no filament in the module.
The blue light will flash when the extrusion is normal.
The blue light will stay on or off when there is no extrusion.
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