Enhance Your Printing with Anycubic Kobra 2 Plus Filament Sensor

Enhance Your Printing with Anycubic Kobra 2 Plus Filament Sensor

Welcome to the world of 3D printing with the Anycubic Kobra 2 Plus! Today, we are going to explore the fascinating realm of filament sensors and how the Anycubic Kobra 2 Plus Filament Sensor enhances your printing experience. Dive into this comprehensive guide to unravel the remarkable capabilities of this advanced feature that sets the Anycubic Kobra 2 Plus apart from the rest.

Filament Runout Sensor: Enhancing Your 3D Printing Experience

The Anycubic Kobra 2 Plus is a versatile 3D printer, and one of its useful features is the filament runout sensor. Let’s dive into what this sensor does and how it enhances your printing experience:

  1. Filament Runout Sensor Purpose:

    • The filament runout sensor is an optional accessory for FDM 3D printers, including the Anycubic Kobra series.
    • Its primary function is to detect whether the filament has run out or broken during a print job.
    • When the sensor senses an issue, it pauses the printing process, preventing print failures due to filament depletion.
  2. Benefits of the Filament Runout Sensor:

    • Filament Conservation: By pausing the print when filament runs out, it saves material and reduces waste.
    • Uninterrupted Printing: The sensor ensures continuous printing by alerting you when filament levels are low.
    • Hassle-Free Filament Management: You won’t have to worry about manually monitoring filament levels during long prints.
  3. Installation:

    • If you have the Anycubic Kobra 2 Plus, the filament runout sensor is likely pre-installed.
    • For other models like the Anycubic Kobra Neo, you can purchase the sensor kit separately for an upgrade.

Anycubic Kobra 2 Plus: Advanced 3D Printing Capabilities

The Anycubic Kobra 2 Plus is a high-speed 3D printer that comes equipped with several advanced features. Let’s delve into its capabilities:

  1. Filament Runout Sensor: The Kobra 2 Plus includes a filament runout sensor. This optional accessory detects whether the filament is exhausted or broken. When it senses an issue, it pauses the printing process, preventing print failures and saving filament.

  2. User-Friendly Design: Anycubic designed the Kobra 2 Plus to be user-friendly. It’s easy to install and use, making it accessible even for beginners.

  3. Compatibility: The printer is configured with optimized extruder and motion settings, ensuring precise and efficient printing.

  4. Smart Control: As the flagship printer of Anycubic in 2023, the Kobra 2 Plus empowers users to create larger and more intricate objects within a single print job. Its smart control features enhance the overall 3D printing experience.

In summary, the Anycubic Kobra 2 Plus strikes a balance between speed, functionality, and ease of use, making it a great choice for both beginners and experienced users.

How to Install Filament Runout Sensor on Anycubic Kobra 2 Plus 3D Printer

Let’s walk through the installation process for the Filament Runout Sensor on your Anycubic Kobra 2 Plus 3D printer. This sensor is a handy accessory that detects when your filament is running out or broken, allowing the printer to pause and prevent printing failures. Here are the steps:

  1. Gather the Necessary Components:

    • Filament Runout Sensor for Anycubic Kobra 2 Plus
    • Pad column
    • Filament Runout Sensor Cable for Anycubic Kobra 2 Plus
    • Cable tie
    • Cylindrical head hexagon socket screw
  2. Tools Required:

    • Diagonal pliers
    • M2.5 Allen wrench
  3. Installation Steps:
    a. Mount the Filament Runout Sensor:

    • Attach the pad column to the designated location on your Anycubic Kobra 2 Plus.
    • Secure the filament runout sensor to the pad column using the cylindrical head hexagon socket screw.
    • Connect the filament runout sensor cable to the appropriate port on the printer.

    b. Secure the Cable:

    • Use the cable tie to neatly secure the filament runout sensor cable along the printer’s frame or designated cable management channels.
  4. Calibration and Testing:

    • Once installed, power on your printer and navigate to the settings menu.
    • Configure the filament runout sensor settings according to your preferences (e.g., pause printing immediately or after a certain length of filament is left).
    • Load filament and test the sensor by manually pulling the filament to simulate a runout condition. The printer should pause as expected.

For more detailed instructions, you can refer to the official Anycubic tutorial on installing the filament runout sensor for Anycubic Kobra printers.

Troubleshooting Filament Sensors in 3D Printing

Maintaining and troubleshooting filament sensors in 3D printing projects is crucial for smooth and efficient printing. Let’s dive into some essential tips:

  1. Lubricate Linear Rods and Rails:

    • Regularly lubricate your 3D printer’s linear rods and rails. Use grease for leadscrews (except when the leadscrew nut is plastic) and oils for rods. Follow your printer’s manual for specific recommendations.
    • Move the printer to its minimum and maximum limits while applying lubricant to ensure proper coverage.
  2. Dust Off Components:

    • Dust can accumulate on bearings, fans, and other surfaces. Regularly wipe down your printer with a microfiber cloth and use canned air to clean hard-to-reach areas.
    • Keep the build plate dust-free to ensure good adhesion.
  3. Filament Sensor Troubleshooting:

    • If your filament sensor malfunctions, consider these steps:
      • Clogged Sensor: Use canned air to blow air through the sensor’s inlet.
      • Cleaning Brushes: Some machines come with cleaning brushes; use them to maintain the sensor.
      • Check Connections: Ensure proper wiring and connections to the sensor.
      • Sensor Position: Verify that the sensor is correctly positioned near the filament.
  4. Filament Runout Sensor Creation:

    • To prevent filament waste due to breakage or tangling, create a smart filament sensor using an optical encoder sensor and a controller.
    • The sensor will alert you when the filament stops moving. You can find detailed instructions and material requirements in this DIY Filament Runout Sensor tutorial.

Anycubic Kobra 2 Plus: Features, Performance, & Reliability

The Anycubic Kobra 2 Plus is a 3D printer that aims to strike a balance between speed, build volume, and affordability. Let’s delve into its features, performance, and overall reliability based on reviews:

Features & Design:

  • Build Volume: The Kobra 2 Plus boasts an impressive 320 x 320 x 400mm build volume, allowing you to create large-scale models.
  • Automatic Leveling: It features automatic bed leveling, simplifying the setup process.
  • Touchscreen: The 4.3-inch touchscreen provides an intuitive interface for user interaction.
  • Direct-Drive Extruder: The direct-drive extruder design contributes to smoother filament feeding.


  • Speed: Anycubic claims that the Kobra 2 Plus is 10 times faster than traditional models. It can reportedly print a 3Dbenchy (a popular benchmark model) in just 17 minutes.
  • Quality: With the right filament, the print quality is decent. However, noisy fans and issues with cloud printing have been reported.


  • Large Build Volume: Ideal for creating big models.
  • Affordable: Priced at $449, it offers good value for its capabilities.
  • Fast Printing: Especially useful for those who don’t want to wait long for their prints.


  • Space Consumption: The Kobra 2 Plus takes up a significant amount of space.
  • Filament Reel Holder Position: Some users have found the filament reel holder position less than optimal.
  • Cloud Printing Issues: The cloud printing functionality doesn’t work flawlessly.

Our Verdict:

The Anycubic Kobra 2 Plus is a solid choice for those seeking a large build volume without compromising on speed. While it delivers decent quality prints, be aware of the cloud printing limitations and fan noise. At its price point, it’s a worthy contender for your 3D printing needs.

For the most up-to-date pricing, you can check various retailers, and currently, it’s available for $399.98

In conclusion, the Anycubic Kobra 2 Plus Filament Sensor is a game-changer in the world of 3D printing. Its innovative technology not only prevents print failures but also optimizes your printing workflow for a seamless experience. Whether you are a beginner or an experienced user, the Filament Sensor on the Anycubic Kobra 2 Plus adds a layer of convenience and efficiency to your printing projects.

Embrace the future of 3D printing with the Anycubic Kobra 2 Plus and unlock a whole new level of creativity and precision in your designs.


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