PTFE tube are thermal barriers used in certain nozzle types. All metal hotends are the other kind. Don't know what you have.
Type: Posts; User: Sebastian Finke
PTFE tube are thermal barriers used in certain nozzle types. All metal hotends are the other kind. Don't know what you have.
Your bed doesn't appear to be heated so yes, you must cover it in blue painters tape. Then you will need to re-level the bed to ensure the correct distance between the tape and the nozzle.
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Congrats on your purchase and welcome :)
Your issues are not uncommon for a beginner so lets go through them...
I don't know anything about the M3D printer so I would have to ask whether or...