There are training classes that begin online. See Dallas Makerspace: Log in to the site
You can demonstrate your competence without the training. Contact the chair, Tim Bene @TBJK for a machine side checkout. He’ll either do it, or point you at someone who can.
I also suggest you apply for a green dot to get access to the members-only sections of Talk. Dallas Makerspace members (primary or family/add-on) in good standing may request access to Members Only categories (e.g. Issues & Requests ) by requesting a Green Dot