Filament Cutter Lever - H2D and H2C for Bambu Lab

The Filament Cutter Lever holds the cutter blade and drives it to slice filament.

Installation

Learn more about the Filament Cutter Lever on Bambu Lab Wiki.

In the Box For Filament Cutter Lever - Left

- Filament Cutter Lever - Left*1

- Torsion Spring*1

- MG2.5-19.5 Screw*1

In the Box For Filament Cutter Lever - Right

- Filament Cutter Lever - Right*1

- Torsion Spring*1

- MG2.5-19.5 Screw*1

Compatibility

H2D and H2D Laser

H2C and H2C Laser

Replace H2D/H2C Filament Cutter Lever and Blade

This article introduces how to replace the H2D/H2C filament cutter lever and blade.

Filament Cutter Lever and Blade

The H2D toolhead is equipped with a cutter on each side (left and right). Note that the cutter handles and torsion springs for the left and right cutters are different. Please pay attention to the distinction during disassembly or replacement.

The spare parts for the left cutter include:

1.left cutter lever * 1

2.Torsion spring * 1

3.Screw * 1

The spare parts for the Right cutter include:

1.Right cutter lever * 1

2.Torsion spring * 1

3.Screw * 1

The spare parts for the cutter blade include:

Cutter blade (universal for left and right) * 3

When to Use

The cutter blade is worn out.

The cutter lever is damaged.

Tools and materials needed

1.New cutter lever or blade (replace as needed).

2.H2.0 Allen key.

Safety Warning

IMPORTANT!

It's crucial to power off the printer before conducting any maintenance work, including work on the printer's electronics and tool head wires. Performing tasks with the printer on can result in a short circuit, leading to electronic damage and safety hazards.

During maintenance or troubleshooting, you may need to disassemble parts, including the hotend. This exposes wires and electrical components that could short circuit if they contact each other, other metal, or electronic components while the printer is still on. This can result in damage to the printer's electronics and additional issues.

Therefore, it's crucial to turn off the printer and disconnect it from the power source before conducting any maintenance. This prevents short circuits or damage to the printer's electronics, ensuring safe and effective maintenance. For any concerns or questions about following this guide, we recommend submitting a technical ticket regarding your issue and we will do our best to respond promptly and provide the assistance you need.

Replace the Right Cutter Lever and Blade

1.Use an H2.0 Allen key to remove the fixing screw of the right cutter. Take out the cutter and torsion spring together from the extruder, then pull the cutter blade out of the cutter lever.

Remove the cutter lever and replace the worn-out blade. When installing the cutter blade, ensure the notched side of the blade is facing upwards, then insert it into the cutter slot in the lever.

Place the torsion spring over the cylinder, ensuring one end of the spring is inserted into the small hole. Then, insert the right cutter lever and blade together into the extruder. Hold the cutter lever to prevent it from loosening, and tighten the screw using the H2.0 Allen key.

Insert the cutter along with the cutter lever into the slot, slowly press it in from the bottom of the cutter lever, and then install the screws to ensure that the cutter lever won't spring open.

Replace the Left Cutter Lever and Blade

Before replacing the left cutter, ensure the hotend is switched to the left hotend.

Use an H2.0 Allen key to remove the fixing screw. Pull the left cutter handle out of the extruder, then remove the cutter blade from the cutter lever.

Insert the cutter blade into the cutter lever. Place the torsion spring over the cylinder, ensuring one end of the spring is inserted into the small hole. Then, insert the left cutter lever and blade together into the extruder. Hold the cutter lever to prevent it from loosening, and tighten the screw using the H2.0 Allen key.

Verify the Functionality

Ensure the cutter is not loose, rebounds smoothly, and can cut the filament properly.