Printing lines sounds like snaps of air, gaps in print
 
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Printing lines sounds like snaps of air, gaps in print  

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Jlainton
(@jlainton)
Active Member
Printing lines sounds like snaps of air, gaps in print

My mini is working great, honestly, it's been a joy.  But Ive had some thoughts around what I think are air pockets in the nozzle or something.  When printing, I can hear little 'snaps' of air, and if I look where it's printed, it leaves a small gap.  Ive slowed the print down, sped it up, and raised and lowered the Z - but it doesnt seem to make a difference.  

It doesnt seem to effect much, but I thought id ask.

Im currently sitting at -1.550, and 99% of the time it looks great.  

I print at 100, 75 and 125, no change.

thoughts?

Best Answer by sandysasmita:

Just reduce your retraction from default 3.2mm to 2.0mm it should works for prusa mini.

Respondido : 25/02/2023 6:20 pm
sandysasmita
(@sandysasmita)
Estimable Member
RE: Printing lines sounds like snaps of air, gaps in print

Just reduce your retraction from default 3.2mm to 2.0mm it should works for prusa mini.

Respondido : 25/02/2023 6:56 pm
Jlainton
(@jlainton)
Active Member
Topic starter answered:
RE: Printing lines sounds like snaps of air, gaps in print

Ill need to recalibrate after that change, no?

Respondido : 25/02/2023 7:36 pm
sandysasmita
(@sandysasmita)
Estimable Member
RE: Printing lines sounds like snaps of air, gaps in print

You don't need to calibrate anything, use default settings but only change the retraction length in prusaslicer.

Respondido : 25/02/2023 7:39 pm
Diem
 Diem
(@diem)
Illustrious Member

Don't touch the retraction setting, leave it on default.

Popping and fizzing at the extruder is almost always due to damp filament; as moisture boils off steam pressure messes with the extrusion pressures and causes gaps and stringing.

Dry your filament; look for threads here about the process.

Cheerio,

Respondido : 26/02/2023 9:57 am
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