Optical Laser Filament Sensor Encoder Detect With Cable For 3D Printer Prusa i3 MK3

Description The optical filament encoder detects the presence of a filament and its movement The MK3 can recognize that filament is running out pause the print and ask the user to insert a new spool It can also detect stuck filament and offer the user an option to clean the nozzle Package Included 1x Filament sensor1x Connection cable about 60cm