K2 Pro w/ CFS crashes after filament change - Bad gcode? #1434

New Issue

MrUnknownDE · 2026-04-05T17:44:42+02:00

MrUnknownDE commented

2026-04-05 17:44:42 +02:00

Originally created by @SeaGull711 on 12/3/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-DEV

Operating System (OS)

Linux

OS Version

24.04

Additional system information

No response

Printer

Creality K2 Pro w/ CFS

How to reproduce

Create a two color print
Slice and examine gcode, specifically below the "; Filament gcode" line

Actual results

A line similar to this is produced below the "; Filament gcode" line:
G1 X-40455132891127295770624.000 Y250.000 F30000

Expected results

The gcode above SEEMS to crash the printer (it stops printing, the interior light goes off, and the LCD freezes) and prevents it from continuing the print. I'm not sure what should be there in it's place.

Project file & Debug log uploads

debug_Tue_Dec_02_15_58_41_48225.log.zip
test.zip

Checklist of files to include

Log file
Project file

Anything else?

I tried slicing the file for a K2 Plus and got a similar result. I tried a couple Bambu printer profiles and got an "out of range" error and a random AnyCubic printer and did not get anything that stood out as "weird" 🤷 but I can't actually print them since I don't have those printers. I also tried deleting all the Orca config files and starting fresh, but got the same result. I tried deleting my K2 Pro profile and re-adding it but got the same result. I tried different filaments too, but got the same result. I don't know if any of this is helpful... just trying to figure out how to move forward.

*Originally created by @SeaGull711 on 12/3/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-DEV ### Operating System (OS) Linux ### OS Version 24.04 ### Additional system information _No response_ ### Printer Creality K2 Pro w/ CFS ### How to reproduce 1. Create a two color print 2. Slice and examine gcode, specifically below the "; Filament gcode" line ### Actual results A line similar to this is produced below the "; Filament gcode" line: `G1 X-40455132891127295770624.000 Y250.000 F30000` <img width="1855" height="1160" alt="Image" src="https://github.com/user-attachments/assets/c259983b-dd32-4cc4-99cf-002083381d36" /> ### Expected results The gcode above SEEMS to crash the printer (it stops printing, the interior light goes off, and the LCD freezes) and prevents it from continuing the print. I'm not sure what should be there in it's place. ### Project file & Debug log uploads [debug_Tue_Dec_02_15_58_41_48225.log.zip](https://github.com/user-attachments/files/23893759/debug_Tue_Dec_02_15_58_41_48225.log.zip) [test.zip](https://github.com/user-attachments/files/23893760/test.zip) ### Checklist of files to include - [x] Log file - [x] Project file ### Anything else? I tried slicing the file for a K2 Plus and got a similar result. I tried a couple Bambu printer profiles and got an "out of range" error and a random AnyCubic printer and did not get anything that stood out as "weird" 🤷 but I can't actually print them since I don't have those printers. I also tried deleting all the Orca config files and starting fresh, but got the same result. I tried deleting my K2 Pro profile and re-adding it but got the same result. I tried different filaments too, but got the same result. I don't know if any of this is helpful... just trying to figure out how to move forward.

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Dependencies

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Reference: github/OrcaSlicer#1434