• [ ] Inspect belts for wear, fraying, and alignment.
• [ ] Check pulley and motor fasteners.
• [ ] Inspect wheels/rails and check for binding or play.
• [ ] Clean leadscrews and lubricate according to component guidance.
• [ ] Check wiring, strain relief, and cable routing.
• [ ] Inspect hotend for leaks and loose fasteners.
• [ ] Check nozzle condition and build surface.
• [ ] Verify bed and gantry fasteners.
• [ ] Clean fans and heatsinks.
• [ ] Back up firmware configuration after changes.

Set service intervals based on print hours, environment, and manufacturer guidance. Avoid over-lubricating belts, wheels, or linear rails.