So I tried to print with PHA, but I think the only thing I managed is to get my bed dirty and not sure how to clean it up.

So loaded the filament just fine, but then when I started printing it stopped extruding almost right away so not sure what happened here ( keep in mind I am a beginner). I used the slicer's setting for the allPHA and a smooth sheet with lac as I know it warps a lot. What it did extrude, I cannot get off the bed it's just a smug of plastic now. 

So two questions :

How to clean my bed?

How to print allPHA?

Using Elagoo matte black PLA, I get some "separating" at the top layer of my latest prints. I am using the basic Elagoo PLA profile in slicer, and all stock settings on 0.2mm balanced print with standard 0.4 nozzle.

I am currently trying to troubleshoot the issue, and thought it might be somewhat common so some of you guys might know what it is. So far, temperature does not seem to affect it all that much. Perhaps z-axis is crooked?

Pictures of the issue:

• The bottom layer is not clean and the words are quite jumbled.
• The windows all have "drooping" threads of filament.
• The edges of the cabin are jagged and uneven

This is using standard Prusament filament and I left all the default profile settings in Prusa Slicer other than adjusting the Z lift. Any ideas for what to tackle to try to clean up the print quality?

I had some PLA break off just below the extruder gear. There is not enough to pull back out with pliers, and I have tried to heat the nozzle to 250C and push it through with a small allen wrench with no luck. Any other suggestions? Thanks!

I do have an MMU3 on the printer as well.  I'm not sure what could be causing this.  Is it possible the filament is slipping on the idler or something?  It's happening on pretty much every print now.

Figured - all good, problem solved.

Unloaded my old filament, the bed lowered roughly half way.

Fed in my new filament bed lowered even further - down to ~20mm off the floor of the enclosure.

Told it which filament I was loading... bed crashed into floor of printer.

I'm running the latest stable firmware - 6.5.3

Are there any logs that can be pulled from the printer to be sent to Support?

I have lost the bowden coupler (the black clip that stops the ptfe tube from coming out of the hotend.

I have brought to different bowden couplers claiming to be compatible with v6 all metal hotend but they're too big.

Do you know where I can buy them in bulk ?

How can I change the density of that layer to eliminate the tiny gaps between strands of filaments? Alternatively, is there a setting to not generate that layer or is there a way to print that layer with the separation layer extruder so it can be peeled away?