Thank you very much for the information.
Rotating the leveling screws is a solution, but a very unconfortable one. It would be so easy if the z Offset Plugin would work. There must be a bug in the printer software, because other users report that the printed works with z Offset Plugin and maybe I am one of few people owning a Ultimaker S5. I cannot understand why the printed behaves like described above when using the z Offset Plugin setting. Does anybody have an Ultimaker S5 and can check what happens with this plugin?
I am printing Tough PLA and maintained the printer a few weeks ago. I cannot imagine what else could be the reason for the clogging sound from the extruder gear while printing.
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gr5 2,224
I don't know how to affect the bottom layer but here are a few other things...
1) After autolevel is complete but before it prints much of your print, you could turn the 3 leveling screws clockwise from below to move the glass down and away from the nozzle. I do that sometimes. Then when the print is done turn it back. Each full rotation is .5mm. Usually I do about 1/6 rotation. Turn them all the same amount.
2) If you make the bottom layer thicker (default is I think 0.27mm) then even if it's overextruding a bit at least there is more space to deal with it. Forcing the extruder to underextrude by 10% is no big deal. So if the glass is too close by 10% then it will be absolutely fine. Even 50% is usually fine. So making the bottom layer thicker lowers that percentage.
3) This shouldn't be an issue. Are you printing PLA? It's okay to overextrude the bottom layer. In fact I love it when the bottom layer is extra thin. That means the part will stick better. If you mess with this with a z-offset your part may come loose which can cause a head flood if the part is wider than tall at the moment it comes loose and it gets carried around like a hockey puck. Quite the disaster. Seriously. I don't think this leveling issue and this "extruder cloggs" issue is related.
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