Cura disables extruder heating during print

[szerwi 0]

I have a problem. Cura 3.6 disables extruder heating on almost every dual-extrusion model few layers before end. I have tested it on 4 models and it disables heating on 3 of them.

One model has 260 layers and Cura disabled heating on layer 220 without any reason. All of the printing temperature settings are set to 200 in Cura

[tinkergnome 927]

5 hours ago, szerwi said:

One model has 260 layers and Cura disabled heating on layer 220 without any reason.

 

There is a reason: Cura disables the heater for any tool that is not longer used for the print. I guess the remaining 40 layers are printed with T1, and T0 is not longer used. That's why Cura disables the heater for T0.

 

This is regularly a problem for printers with multi extrusion, but single nozzle and can perhaps be changed with a postprocessing script, but i don't know if such a thing already exists.

 

I really think this should be properly handled by the firmware of those printers. If it doesn't - it's a firmware bug, not the slicers fault (IMHO)