Kenmore 1106022-2511 dryer not drying properly

Brand: Kenmore
Model Number: 11060222511
Main Symptom: not drying properly
What happens & when: dryer heat spins and blows air. The lint filter and vent are both clear and empty. Dryer is heating spinning and has airflow however, clothes are not consistently dry upon cycle ending. Both auto sense and timed dry cycles end with damp clothing.

Error Code (if any): N/A
Parts or tests already tried: tried checking for buildup, lint, and cleared the vent, which was not blocked at all.
Photos / video link: N/A