Monoprice Mini - Useful Priming Start Code

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Start Code:
G21;(metric values)
G90;(absolute positioning)
M82;(set extruder to absolute mode)
M107;(start with the fan off)
G28;(Home the printer)
G92 E0;(Reset the extruder to 0)
G0 Z5 E5 F500;(Move up and prime the nozzle)
G0 X-1 Z0;(Move outside the printable area)
G1 Y60 E8 F500;(Draw a priming/wiping line to the rear)
G1 X0;(Move a little closer to the print area)
G1 Y10 E16 F500;(draw more priming/wiping)
G1 E15 F250;(Small retract)
G92 E0;(Zero the extruder)

Let's look at the start and stop codes I use for my Monoprice Mini Select Printer.

Why do have this, it helps to prime the Nozzle and get rid of leftovers from previous prints or oozing during preheating.
I like to do this and a small skirt or brim on the models I print.
It makes for a better finish on the first layer.
Let me explain line by line what it does.
You can use this code in about many slicers.

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[Joel-]

Thanks Frank. Exactly what I was looking for. Saved me an hour or so of work.

[XFalcon]

I'm new to 3D printing so this will help my start set up. thanks

[guyco]

list of gcodes is very handy, thanks for the link! as always, love watching your vids frank. would love to see you do some longer ones

[ParasocksTV]

Now that the monoprice select mini has a profile in cura, their opening g code does almost the exact same thing (except I don't think it extrudes as much filament). I did want to thank you for telling me to copy the code from the cat file to the ending gcode though! I prefer the ending gcode on the cat file to the one cura has for the mini. Their ending has the bed to extend outward toward you so you can remove the print. The problem with this is that the gcode tries to extend the bed too far and it clicks and locks the printers motors up for a few minutes. This makes it impossible to move the bed back to home when you're done. The only way I've found to fix this is to either wait until the motors unlock on their own, or quickly restart the printer. I've also had cases where it prints an item called "Print", but I've cancelled it before it's gotten to far. Hope someone finds this info useful!

[CyberFleamarket]

I need a good start code for a monoprice 3d mini delta. Mine never starts.

[raysrcsandtech]

I don't get the diagonal line, why is that, the code is the same as yours

[susomoraify]

Great video as always Frank! I have a question not really related to this video but related to this printer... how does ABS print on the Mini? This printer is one of my two final contenders, and not being able to print in a more robust material could be a real deal breaker for me; I´m going to use it for prototyping, mostly small parts, and the small footprint (among other things) of the Mini looks very appealing to me, not much room left in my work space :(... Thanks a lot and keep those videos coming!

[ChurritoGamer]

Hi Frank, lm having trouble with my printer, for any reason my printer is aborting the process on the last 8 to 12 layers, do you now how to fix that error?

[jayclyde]

Thanks for this video Frank! I have been 3D printing with my Monoprice Mini now since Chrsitmas and I kept wondering why on the wiping procedure my nozzle never got moved closer to the printing area? I compared your code to that of the code my Cura slicer generates, the codes for "X-1" stays the same for both movements!! I kept wondering why it seemed my nozzle kept running right back into the same wipe line it generates. I have another separate issue, even though Cura is supposed to send G-code for the fan turn remain off on the first layer, my nozzle fan stills runs from the start all the way through the print job??

[davefig]

I'm just starting out with a new Monoprice Mini v2. I've calibrated and done a few successful print from the included SD card. When I added above as Start G-code my very first attempt with a newly sliced model, it drove the extruder into the plate. I aborted as quickly as I could. I'm trying to understand what went wrong. I've gone back and verified that my code is exactly the same as the listed start code from your description.


Is it possible that this code isn't good for the newer model? Any ideas as to what I might have done wrong?

[crocythecrocodile]

and a nother isseu how do i make the nosel not prime on start up

[tablatronix]

I just changed to a new filament and the extruder clicks on the second extrude E16, is this double the first line? Rest of prints are fine.. any ideas?

[AhmadAsmndr]

you are amazing that is working perfekt, ,,

here is the version for Anycubic i3 mega ultrabase:
G21;(metric values)
G90;(absolute positioning)
M82;(set extruder to absolute mode)
M107;(start with the fan off)
G28;(Home the printer)
M501;
M420 S1;
G92 E0;(Reset the extruder to 0)
G0 Z5 E5 F500;(Move up and prime the nozzle)
G0 X-3 Z0;(Move outside the printable area)
G1 Y60 E8 F500;(Draw a priming/wiping line to the rear)
G1 X0;(Move a little closer to the print area)
G1 Y10 E16 F500;(draw more priming/wiping)
G1 E15 F250;(Small retract)
G92 E0;(Zero the extruder)
G1 F{speed_travel}
G0 Y20 F{speed_travel}
M117 Printing...
G5

[dabbler]

Hi Frank, Rocky again. I ran into something I don't understand with my Cura 3.3.1. I got some 3DSolutech transparent blue PETG to try on my MP Mini V2. I made a simple key fob for the wife w/her name on it, sliced it in Cura and loaded the gcode into my mini and identified the material as PETG. After 15 to 20 minutes of waiting, the bed never got up to 70 degrees C. 64 to 66 seemed to be her max. I re-sliced it in Cura with PLA as the material and put the gcode into the mini, with the PETG still loaded, and it ran well. Can I change or chould I change the bed temp setting in Cura for the material I bought or just keep running it as PLA? i did up the bed temp on the mini to 60, and extruder to 200, and cut the speed from 1.0 down to 0.8. Thanks

[crocythecrocodile]

how do i import this code to my no mini v2