h0z010

I also experienced this, with 3.12 fw the altfan det. might not work. It is turned ON in the experimental menu, but if I try to turn it OFF, after...

> Ok, but as in issue 3845 mentioned, this behavior appears also by doing a first sheet calibration - which is issued by the printer w/o having commands from the...

The official starting G-code for MK3.5 has only this before bed leveling: M104 T0 S170 ; set extruder temp for bed leveling M109 T0 R170 ; wait for temp There...

Then that's the problem. This is not MK3.5 Start G-code, but MK3. In the slicer, change the printer type to MK3.5. If it is not already in your list, add...

There is no line in starting G-code for MK3.5 profile that heats the nozzle to print temperature before the bed level. It heats only the nozzle to 170°C and heats...