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 B4400, B4400N, B4550, B4550N, B4600, B4600N, B4600N PS
• Page Yield: 25000 | Color: Black