R&D Computers offers a broad product selection of compatible drum units at competitive prices. R&D Computers drum units are developed to meet Original Equipment Manufacturer (OEM) quality and performance and are 100% guaranteed.

• R&D Computers drum units are designed to meet or exceed OKI brand quality, page yield, and reliability
• 2-year warranty with 100% performance guarantee
• Compatible Hardware: Okidata B411D, B411DN, B412DN, B431D, B431DN, B432DN, B512DN MB461, MB471DNW, MB471, MB471W, MB472DNW, MB472W, MB491, MB491+LP, MB492, MB492DN, MB562DNW, MB562W
• Page Yield: 30000 | Color: Black