Bambu Lab Extruder Filament Sensor for P1 Series (DLB012)

The Bambu Lab DLB012 Extruder Filament Sensor is an official replacement component for the Bambu Lab P1P and P1S 3D printers. Mounted inside the extruder, it monitors filament presence and detects the Filament Cutter lever position — two critical functions that keep your prints running smoothly and reliably.

Key Features

• Dual Detection — Monitors both filament presence and the Filament Cutter lever for comprehensive extruder awareness
• Prevents Print Failures — Communicates filament status to the printer in real time, enabling automatic pausing on runout or jam
• Durable Construction — Built from plastic and metal for long-lasting, consistent performance
• Compact & Easy to Install — Designed for straightforward drop-in replacement with included hardware
• OEM Bambu Lab Part — Genuine component for calibrated, reliable operation

Specifications

• SKU: DLB012
• Compatible Printers: Bambu Lab P1P, P1S (P1 Series)
• Detects: Filament presence, Filament Cutter lever
• Vendor: Bambu Lab

When to Replace

• Printer fails to detect filament presence or runout
• Filament Cutter not triggering correctly
• Sensor error codes on the P1P or P1S display
• Inconsistent filament detection causing mid-print pauses

Installation Guide

Step-by-step replacement instructions are available on the Bambu Lab Wiki.

In the Box

• 1 × Extruder Filament Sensor (DLB012)
• 2 × BT2-5 Screws
• 1 × Adhesive Glue

Sold by Indian Hobby Center — authorized Bambu Lab parts supplier in India. Fast dispatch, GST invoice included.