Creality K2 Plus Filament Break Detection Module – Genuine OEM Filament Runout Sensor The Creality K2 Plus Filament Break Detection Module is a genuine OEM replacement sensor designed to monitor filament presence at the extruder of the Creality K2 Plus 3D Printer. It helps the printer detect when filament has run out, broken, or is no longer reaching the extrusion system. The module is installed on the back cover of the extruder and works with the printer’s filament-management system to help prevent failed prints caused by unexpected filament loss. Creality provides an official replacement procedure for this component. Product Function The Filament Break Detection Module monitors whether filament is present as it enters the extrusion system. When filament is detected, the sensor provides a signal to the printer; when filament is absent, the printer can recognize the condition and respond accordingly. This functionality helps provide: Automatic filament runout detection Detection of broken or missing filament Reduced risk of failed prints Reliable filament loading and unloading Improved operation during long print jobs Support for CFS automatic filament-management functions More dependable unattended printing Creality specifies that the sensor’s blue indicator light should illuminate when filament is detected and turn off when no filament is present. Key Features Genuine Creality OEM replacement component Designed specifically for the Creality K2 Plus Monitors filament presence at the extruder Detects filament runout or breakage Integrated status indicator Helps prevent printing without filament Supports reliable filament feeding with the CFS system Direct replacement for the original sensor module Compact design integrated into the extruder assembly Ideal for replacing a damaged or malfunctioning filament detector Specifications Brand: Creality Product Type: Filament Break Detection Module / Filament Runout Sensor Compatible Printer: Creality K2 Plus Creality SKU: 4001090035 Installation Location: Extruder Assembly Function: Filament Presence / Runout / Break Detection Status Indicator: Blue LED Application: FDM/FFF 3D Printing Creality's current troubleshooting documentation specifically identifies SKU 4001090035 as the replacement filament break detection module for the K2 Plus. When Should It Be Replaced? Consider replacing the module if the printer: Reports filament when no filament is installed Fails to recognize loaded filament Generates repeated filament detection errors Shows incorrect filament status Experiences unexplained CFS feeding interruptions Has a sensor LED that remains illuminated without filament Has visible physical or electrical damage to the detector Before replacing the module, Creality recommends checking for filament debris, PTFE tube deformation, trigger-plate spring problems, damaged cables, and poor connector contact, since these can produce similar symptoms. Package Includes 1 × Creality K2 Plus Filament Break Detection Module Important Notes This is the extruder filament detection module, not a CFS feeder sensor. It is mounted at the extruder and confirms that filament has successfully reached the printer’s extrusion system. Always power off and unplug the printer before replacing electronic components.
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