RE: MMU3/MK4 Wipe tower issues(too much purged)
This is a noble effort and you did a lot of work to find a good solution.
My situation occurs when everything is normal and the filament misfeeds or has some other issue during change. While the printer is waiting for me to realize that I need to fix it and waiting for me to fix it, filament oozes out onto the tower. Now, an otherwise well formed tower has a glob on it which causes a collision and destroys the print.
My thought is that the nozzle should always park elsewhere during filament swap.
Perhaps there is a better thread for my issue?
Thank you.
RE: MMU3/MK4 Wipe tower issues(too much purged)
Hello,
I was having "blob on wipe tower" issues and tower crashes also. I did everything shown in this post - settings for tool change parameters and I set all filaments to same temperature. WOW! Finally got a great print. I will keep these parameters as my new default. Thank you very much.
RE:
Hi, having the same issue for some weeks now. The blobs are running me crazy. I had a chat with Prusa support 2 times. The first one was great. I set down purge extra flow from 250% to 150% and disabled purigng in infill. This makes a mess of much more waste but I was able to atleast finish a print. Sadly after the second print my problems were back...
Since I want to use purging in infill, I tried a print with 150% purge extra flow and 10 degree cooler filament settings. But this ended pretty early to.
I'll check the setting that were mentioned here, but I don't think that will make a distance. On 2 colour prints there is no problem even with 48h print time. But this model makes me crazy. I never had these problems with MMU2S+...
RE: MMU3/MK4 Wipe tower issues(too much purged)
Did you use same temperature for all filaments?
RE: MMU3/MK4 Wipe tower issues(too much purged)
I did. Effectively the color change is only between red and blue. These two are the same brand, same type of filament but other colors. I used the original profiles for Generic PETG, the settings are like mentioned in this thread.