Problem with one filament.
Has somebody encountered with similar problem. After an x time of printing one of the filaments tends to jam.
Funny, in the two color print same filament works just fine. So my gues is that it is the filament playing trics on me.
Too hot or too cold, too fast or to slow? solutions?
Some pictures of what happens. When trying to get the filament out after jamming I always find this lump on the end.
RE: Problem with one filament.
Hi Zenonas,
It is difficult to be 100% sure with the photos but it looks similar to heat creep.
you have two cooling fans on the unit one should be on for the first layer. This stops the heat moving up the tube and heating the filament too early causing it to stick in the "pipe" leading to the hotend.
A symptom of this is on small base prints you don't have a problem but as soon as you build something that has a big first layer it will jam.
For Example, mine did about 7 to 8 minutes of good operation then it jammed if the first layer was smaller than that then no problems as the fan kicked in on the second layer.
Check your settings in your slicer on the fan setup for both multi and single mode to see if it is different. As I said I am not certain but it does sound like it.
RE: Problem with one filament.
@zenonas-g,
there is a similar topic to yours, see here.
Maybe it is somehow related.