Choosing a reliable start G-code that primes a dual extruder printer is difficult. There are different extruder prime techniques and my adaptive priming start G-code for Cura uses a mix of these techniques to properly prime the most single/dual nozzle printers. Prime Techniques Too little...
If your print fails due to an extruder error you can usually resume printing from the last successful layer if your print has not detached from the bed. Manually creating the resume G-code may be needed if your printer does not have a built in recovery function. The exact steps need some G-code...
The default Creality start G-code for the K1 printer in Cura does not automatically set the correct extruder and bed temperature and you can change the start G-code to automatically set the right temperature for your material. Creality Slicer is now based on Orcaslicer instead of Cura but you can...