✅ Microfiber Cloth I Use (Amazon – paid link): br br Disclosure: Some links above are affiliate links which means I may earn a small commission if you click and buy, at no extra cost to you.br br Ninja Support: br Smoke coming from the Ninja Double Oven (DCT451)? Light steam is normal, but thick smoke means grease or oil is hitting the heating elements. This guide shows how to trim fat, choose the right oils, catch drippings, keep airflow clear, and clean hidden grease traps plus when to stop and call support.