The HP OfficeJet Pro 8610 8620 8625 8630 Duplexer Rear Jam Access A7F64-60043 OEM is a black duplex unit designed for use with specific HP OfficeJet Pro models. It is an original OEM part directly from HP, ensuring compatibility and quality assurance. This accessory is designed to help prevent rear jam issues and improve printing efficiency for a seamless printing experience.