DR618 Drum Unit for C450i C550i C650i C750i Drum Cartridge 160K The DR618 Drum Unit is designed for use with C450i, C550i, C650i, and C750i printers.It supports -volume printing environments and offers a page yield of up to 160, 000 pages, helping reduce replacement frequency and minimize downtime. Constructed with materials suitable for sustained , the drum unit maintains consistent print performance over time. Installation is straightforward, allowing for quick integration into existing setups.Its design supports continuous use, making it suitable for office environments that require dependable printing output. Compatibility Advisory: This product is not affiliated with the manufacturer.Brand mentions are for fitment reference only.