Setup guides cover what to do once a printer arrives, and troubleshooting guides follow each vendor's documented steps when something goes wrong. Starting with the right placement and slicer prevents many of the problems the fix-it guides address.
Before the first print, read the placement and ventilation guide, then the slicer comparison to pick the software that matches your printer. Keep the maintenance schedule handy once you are printing regularly, and add the camera and remote monitoring guide if you plan to leave long prints running.
When a print fails, identify the symptom first: prints not sticking, a clogged nozzle, stringing or shifted layers each have their own checklist, and the error code and auto-levelling guides cover model-specific messages. Work through the steps in order before replacing parts.