M3 Dual + Simplify 3D = Second head can't print?

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M3 Dual + Simplify 3D = Second head can't print?

Postby caffeinated22 » Fri Oct 06, 2017 7:35 pm

Hey guys,

I just got my M3 Independent Dual and I want to print using the second head. It works just fine if I slice the .STL in Octorprint but as soon as I do anything it in Simplify3D (which I need to do to rotate and alter quality settings) it won't work.

As soon as everything heats up, the left head moves all the way to the right, effectively blocking the right head so that when it comes across it just crashes into the left.

The settings are:

Profile: M2 Dual (No M3 option yet apparently)
Auto-Figure Extruders: Right Extruder Only
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Re: M3 Dual + Simplify 3D = Second head can't print?

Postby Explorer74 » Mon Oct 09, 2017 12:36 pm

There are Simplify3D profiles and factory files for the MakerGear M3ID. Check the MakerGear wiki or e-mail support. They are very helpful. I have been having a blast with mine :)
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Re: M3 Dual + Simplify 3D = Second head can't print?

Postby caffeinated22 » Mon Oct 09, 2017 12:48 pm

Explorer74 wrote:There are Simplify3D profiles and factory files for the MakerGear M3ID. Check the MakerGear wiki or e-mail support. They are very helpful. I have been having a blast with mine :)


Yeah. Thanks. Got that profile handled now but I’m still having this issue. Can’t figure it out.
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Re: M3 Dual + Simplify 3D = Second head can't print?

Postby Explorer74 » Mon Oct 09, 2017 3:45 pm

It sounds like the M3 is trying to park or zero the T1 head with the T0 commands. You should call or e-mail MakerGear support. They are very helpful. My M3 works fine for both 2 color and one color with T1 for support. You might also look at the Start script and the Tool Change script in Simplify3D. When my printer first starts it zeros everything, lifts the table, the T1 extruder runs a bead of filament from left to right across the very front of the table, and then the T0 extruder runs a bead of filament from right to left on top of that. I would suggest you clear out Simplify3D, reset all settings in the help menu, then reload the new profiles for the M3ID.

Good luck
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Re: M3 Dual + Simplify 3D = Second head can't print?

Postby Tim » Tue Oct 10, 2017 1:01 am

Agreed. The M2 Dual profile is *not* going to work for the M3 Dual without the proper initialization and tool change scripts to drive the two X axis motors independently. I don't even know how MakerGear is driving the second X axis motor, because (as far as I know, but my information is likely way out of date since I've been using a Smoothie board for the last couple of years) the stock Marlin firmware doesn't even support more than one X axis motor, since the RAMBo doesn't have enough motor drivers to support it. I know that MakerGear put extra hardware on the M3 to add another stepper driver, so they have done something special to their firmware to support that. Simplify3D is definitely not going to know about such things, and it is going to be handled in the scripts using codes probably known only to the M3 Dual firmware. Looking at the M3ID zip file of profiles, it looks like if you are using both extruders on the same print, you want to go to the "scripts" tab in the profile settings and make sure that the start script says on the first comment line "Both Extruders M3ID T0/T1 starting script T1 purges first T0 purges second".

(Edit)

Looks like MakerGear has implemented some version of code "M605", "M605 S0 ; set to full independent control on X axes". The tool change script just switches between T0 and T1, so apparently the firmware is set up so that (with M605 S0) the X-axis motors switch at the same time the extruder motors do.

Unfortunately the state of gcode and firmware right now doesn't support doing different things with both extruder motors and both X axis motors at the same time. Whoever can get that working will have one hell of a fast dual printer.
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Re: M3 Dual + Simplify 3D = Second head can't print?

Postby jk42 » Fri Oct 20, 2017 6:28 pm

Just wanted to let everybody know that you can get the M3 and M3ID profiles for S3D on our M3 Knowledge Base. There are also some articles and videos on Dual color printing.
https://makergear.zendesk.com/hc/en-us
~Jason from MakerGear
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