✅ Microfiber Cloths 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 Ninja Double Oven (DCT451) smells on first use? This guide shows the exact burn-off cycle what to wash, how to ventilate, the correct temps and times for both ovens, and the final wipe down plus when to repeat and when to contact support.