The guide is largely klipper oriented but has marlin instructions after the klipper instructions.
Other than that I’ve tried some samples of bed adhesion aid of different brands which help for printing some of the bullshit filaments that stick to literally nothing and they are much less messy than hairspray or glue and most didn’t smell awful, but I haven’t found them to actually be necessary for anything other than the really slippery filaments.
I posted in another community on Lemmy and got some suggestions, but the only that that’s make a different so far is printing a lot slower. That decreased the underextrusion area to about half, but it’s still there and very obvious on ASA.
I’m leaning towards a bad extruder (or at least bad gears), but they’re BMG and I don’t feel like they’ve had that much usage yet. I might take the opportunity to replace it with a Galileo 2 and see what happens.
If I end up figuring this out, I’ll come back and reply again.
Fellow 2.4 person whose also chiming in on the thread in the lemmy.world instance of this community. My 2.4 doesn’t do this, but it could potentially be klipper related (pressure advance, input shaping, etc).
I finally solved it. Voron KAMP’s Voron Purge technique puts little blobs of filament on the bed. I also have Voron Tap. My tool head was hitting those blobs and moving upwards slightly, causing the extruder not to squish the filament into the bed in the same pattern as the voron logo from the purge.
My solution was to initially to move the purge further way, but that kills large parts of my bed usage. So I just wrote my own purge line script and I’m using that now.
Depending on your printer the z axis lead screw might need cleaning and lubrication. I would get this on my ender 5 plus occasionally at a given height if the lead screw needed cleaned.
Maybe something got stuck in the nozzle, partly clogging it. Try cleaning it. A trick I often use is to start the nozzle preheating and then yank the filament out of it as soon as it becomes warm enough for that to be possible, that usually pulls whatever crud was stuck in the nozzle out along with it.
I can recommend against enders. I have two friends with them, and one myself. Between the 3 of us none of them are currently working, and its been like this since i found out all 3 of us had 3d printers. Keeping them working is like pulling teeth.
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