[ ] 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.