Geeetech

Glad to hear you got it working. The dual color hotend that I got with mine ended up breaking. I decided to just get a single color hotend as a replacement. I still have to leave Marlin set with the two extruders or it won't compile though. Everything works for me but it just has the extra extruder ...

In the printer's menu it does show multiple extruders but just Extruder 1 works.

I can't upload the file but I can copy and paste what part I changed in the file. Where is says Original, that's what the file had originally for that pin. // Extruder stepper pins // NOTE: Numbering here is made according to EXT connector numbers, // the FANx_PWM line numbering in the schematics is...

Looks like I may have figured it out. I was able to reassign a few pins in the pins_GMT32_PRO_VB.H file. The correct extruder works with thermistor, etc and now the fan that was blowing on the extruder motor is the main hotend fan and the old hotend fan plug is the part cooling fan. Doing a test pri...

I don't even know if anyone reads these forums by the dates of the posts but figured I'd try. So using Tparent's instructions above I was able to get Marlin onto my M201 with the GMT32 Pro VB....YAY! But it seems like there is a bunch of re-wiring that needs to be done in order to actually be able t...