Print stops and asks to change filament multiple times during printing.
 
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Zippy701
(@zippy701)
New Member
Print stops and asks to change filament multiple times during printing.

Print stops and asks to change filament multiple times during printing. I have tried 3 different versions of Prusaslicer and 2 versions of Cura.  Can't see any color change or print pauses in the slicer preview. Please help.

Posted : 22/11/2021 5:44 pm
Neophyl
(@neophyl)
Famed Member
RE: Print stops and asks to change filament multiple times during printing.

You have a dodgy install of he filament sensor in all likelihood.  It’s easy to test. Go into the printers lcd menu and turn off the filament sensor. Then do a short print. If there’s no issue then you know it’s the sensor. Although from your description it is almost certainly it. The symptoms are exactly right. The firmware process initiated for a colour change is the same routine used when a out of filament is triggered. 

Basically the sensor will need redoing to make it more reliable, you have to be very careful installing it and make sure there’s no burrs etc on the printed parts and it’s not too tight so the lever can freely move. 

Posted : 22/11/2021 6:03 pm
Zippy701
(@zippy701)
New Member
Topic starter answered:
RE: Print stops and asks to change filament multiple times during printing.

I will try that and post results.

 

Thanks Neophyl

Posted : 22/11/2021 6:13 pm
Gabik87
(@gabik87)
Eminent Member
RE: Print stops and asks to change filament multiple times during printing.

I have the same problem, but in the same point when my prusa work!
But the problem it's that not for the same gcode. the last two gcode that I made make the same mistake! ther's a setting on prusaslicer?
because I don't understand why whit one file don't do this and with the other one make this type of problem!

thanks all and thanks Zippy701 for the same question

Posted : 22/11/2021 8:51 pm
Neophyl
(@neophyl)
Famed Member
RE: Print stops and asks to change filament multiple times during printing.

Gabik if you think its the gcode causing the problem just open it up with a text editor and look for M600 in there.  Thats the default colour change command.  Although yours doesnt sound the same as the original posters if it always happens at the same point.

Why you would have one in your sliced file unless you added one on the layer slider I don't know.  Unless you are using a profile downloaded from somewhere ?  Its quite possible to add in custom gcode to a profile that is always loaded.  Would need to see a saved project file (file >Save project as) from Prusa Slicer of one of the problem ones to know for sure.  If you do attach a 3mf file make sure to ZIP it up first or the forum wont accept the file type.  It needs zipping for anything beyond images or basic txt files.  

Posted : 22/11/2021 9:19 pm
Zippy701
(@zippy701)
New Member
Topic starter answered:
RE: Print stops and asks to change filament multiple times during printing.

That was it. you are a genius! Thanks again.

Posted : 23/11/2021 7:05 am
Neophyl liked
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