When you start a print, the Touchscreen keeps showing the screen below while the filament hasn’t run out de facto.

Possible Causes

• The filament sensor isn’t seated right.
• The filament sensor is broken.

Actions
Case1

Adjust the filament switch as shown in the videos below:

1. Remove the fan.

2. Adjust the filament switch.

Case2

After following the troubleshooting steps, if you find it difficult to resolve your issue, kindly submit a support ticket through https://snapmaker.formcrafts.com/support-ticket and share your troubleshooting results with some pictures/videos.

Our dedicated support team will be more than willing to assist you in resolving the issue.

If you want to start a print directly, follow the steps below to turn off filament runout detection.

1. Connect your machine to your computer via the USB cable.

2. Launch Luban and input the commands below in the console.
- M412 S1: Enable filament runout detection
- M412 S0: Disable filament runout detection
- M412: Report the current filament runout detection state