HP Laserjet 4345 optional duplexer assembly Q5969AThe HP two-sided printing accessory accommodates multiple media types, including letter, A4, executive, legal, B5, A5, and other standard sizes up to 32 pounds (120 g/m2). It also works well with plain and specialty papers, including recycled paper.SummaryInformation technology professionals rely on HP quality to ensure maximum productivity. As the power of applications, processors, memory adapters and storage devices increases, high-end computer users are seeking ways to optimize their system performance. HP provides leading solutions, adding new levels of performance, availability, flexibility, and management.Features * Type: Duplexer