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

• R&D Computers printer cartridges are designed to meet or exceed OKI brand print quality, page yield, and reliability
• 2-year warranty with 100% performance guarantee
• Compatible Hardware: OKI B4400, B4400N, B4600, B4600N
• Page Yield: 3000 | Color: Black