Most of them look just fine, nothing unusual:īut then, right at the point in the print where the clicking/clogging problem happened, I see something a bit unusual.
I went back to the STL file for the part and loaded it into the PRUSA Slicer, using the scroll bar on the right to look at the various layers. I tried printing it again but it FAILED AGAIN, and AT THE VERY SAME LOCATION IN THE PRINT. This is a very closeup of the very top of the model. Normally the top part of the print looks like this:īut this time it looked like this, after the print had failed with the clicking/clogging of the filament. At one point I was printing a model that I had printed successfully a dozen times before (before the new filament) but now using the new filament and the print failed, four minutes before the end of a 3 1/2 hour print. I couldn't know for sure but is sure seemed like it might be due to the filaments, a bad batch perhaps?īut the problems kept arising. I ordered four reels and have had the same problems with two of the reels (ID 26a1b0c7 and ID 390a3b30). PRUSA didn't have the same silver filament that I had been using (the type that comes with the original kit) so I ordered the Gentlemen's Grey filament instead. These problems started when I had run out of filament and had to order new PRUSA filament. The removed filament always looked like this, with a big blob of hard filament on the end and little tendrils of filament coming off of that:
I've had to disassmble the print head five times so far, other times I was able to do a successful UnLoad / Load of the filament. On many cases the filament would get completely stuck in the print head and I had to disassemble the print head in order to clear the filament out of the PTFE tube. I had a lot of ruined prints because of that. They would rotate a bit in the correct direction but then snap back, making the clicking sound, and no filament was actually coming out of the nozzle. A couple of months ago I started having problems in which the gears in the print head that push the filament through the hot end were clicking.
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