Yes. Silhouette U has an on-demand xTool Omni curriculum you can watch in recommended order, starting with unboxing and software setup and moving through your first UV print, UV DTF stickers, DTF transfers, and DTG. Nothing is scheduled and nothing is live, so you start the day you join and go at your own pace. New videos are added every month.
Every Omni model can do UV printing and UV DTF stickers for hard goods. Only the UV + DT Fabric model can print DTF transfers and do DTG directly onto shirts, because it has a second printhead with fabric inks and a garment platen. If apparel is the reason you're buying, that's the model you need.
Plan on about two hours from box to first print. Setup includes removing transit screws, loading ink cartridges, filters, waste tank, and moisturizing liquid, then thirteen manual ink extractions you do yourself with a syringe, followed by a firmware update and guided calibration. Silhouette U walks the whole thing on video, including the two steps that commonly fail and how to get past them.
Misting usually means the printhead is sitting too high, because it measures the highest point on the platen and a thick collar edge or a seam will throw it off. Blotchy color on white blanks usually means white ink was skipped underneath. Both are covered in the Silhouette U Omni videos, along with the weekly ink pad and scraper cleaning that prevents most print quality problems in the first place.
No. Plenty of members have never touched a Silhouette machine. The name goes back to 2013 when Melissa started with a Silhouette die cutter, but the library now covers xTool, UV printing, DTF, DTG, sublimation, Roland, and more. If you own an Omni, you're in the right place.