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I've got a Monoprice Mini Select (15365) and it takes FOREVER for me to manually spin the dial to get the printhead to raise all the way up so that I can perform maintenance (clear blockages in the nozzle or apply new tape to the bed, etc).

So, I was thinking about writing a snippet of gcode that I could just run which would contain the commands necessary to do that for me. I'm a n00b to 3D printing, but I'm an old programmer so I figured it would be too hard. However, before running this code on my printer, I wanted to get some experts to double check me to make sure I'm not going to hurt anything. :)

Here is what I have, please let me know if I've done anything wrong or if you have any suggestions.

; Move print head to center and top to prepare for cleaning/maintenance M107 ; fan off G28 ; home all axes G21 ; set units to millimeters G90 ; use absolute coordinates ; full dimensions of the print area are 120mm x 120mm x 120mm G0 X60 Y60 Z119 ; move to center X,Y and just below the max height M84 ; disable motors 

I grabbed a few lines from gcode generated by Slic3r and used the gcode wiki entry to understand each of the commands and fill in the extra ones I needed.

1 Answer 1

Yes, on machines which will execute "standard" gcode, this will do what you request. Some good resources are http://reprap.org/wiki/G-code and https://en.wikipedia.org/wiki/G-code