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How Do I Change Filament Mid Print  

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Buckeye Slicer
(@buckeye-slicer)
Eminent Member
How Do I Change Filament Mid Print

I have a project printing right now, and thought that I would make it through the print without changing filament, but was wrong. How do I stop print temporarily to change filament, and then continue printing project?  Don't want to wait for sensor to tell me it's out.  Need answer pretty soon.

I have a MK3s

This topic was modified 2 months ago by Buckeye Slicer
Posted : 20/10/2021 12:14 pm
RedDawg
(@reddawg)
Reputable Member
Been there, done that.

You didn't say which printer you have. I believe all of them have a "Change filament" routine built into the firmware, but I find it easier to just shove the start of a new reel into the extruder hole as the last of the old reel is disappearing into it (clip off any kink that is present), keeping pressure on it until grabbed by the bondic gears. Slightly taper the new end. For the MK3 series you have to follow the movement of the gantry, which can be challenging if it is making rapid movements, but the gears should grab the new filament within a minute or so. For the Mini you have to keep the pressure on until the new end reaches the extruder gears, which may take several minutes, depending on the feed rate, but at least no gantry following is necessary. You can periodically pull back very slightly on the filament to see if it has been grabbed yet. Once it has been, you're home free.

1. "Creativity is the sudden cessation of stupidity." and "Any problem can be solved with the materials in the room." -Edwin Land, inventor of the Polaroid Land Camera. 2. "If I can't fix it, it isn't broken." -Me....
Posted : 20/10/2021 12:46 pm
Matias liked
RedDawg
(@reddawg)
Reputable Member
RE: Sorry.....

.... didn't see you specified a MK3. The rest of my post is apropos.

This post was modified 2 months ago by RedDawg
1. "Creativity is the sudden cessation of stupidity." and "Any problem can be solved with the materials in the room." -Edwin Land, inventor of the Polaroid Land Camera. 2. "If I can't fix it, it isn't broken." -Me....
Posted : 20/10/2021 3:10 pm
Dan Rogers
(@dan-rogers)
Noble Member
Easy - cut it.

You can just cut the filament near the extruder body and it will initiate a filament change shortly.

Posted : 21/10/2021 6:33 am
nighthawk
(@nighthawk)
Active Member
Another option..

You can also pause the print, unload filament, load the other filament, and then click on resume print. This is how I do it but the other ways will work too.

Posted : 21/10/2021 9:42 am
cwbullet
(@cwbullet)
Illustrious Member
Last option

If you use octoprint, you can pause it there too.  

Posted by: @nighthawk

You can also pause the print, unload filament, load the other filament, and then click on resume print. This is how I do it but the other ways will work too.

 

--------------------
Chuck H
3D Printer Review Blog...
Posted : 21/10/2021 10:27 am
Dan Rogers
(@dan-rogers)
Noble Member
Octoprint pause - ruins the print

I do not recommend using Octoprint pause - it just stops the head right where it is at at the moment, right on the print in most cases, and burns a hole.

Posted : 22/10/2021 1:19 pm
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