High-yield toner cartridge is designed for use with Hewlett-Packard 1000, 1200 and 1220, Series 3380 All-in-One Series, and 3300/3300MFP Series. Yields approximately 3,500 pages. Delivers the professional quality and legendary reliability you expect from HP LaserJet printing. Consistently sharp text and smooth grayscale transitions are achieved with precisely matched system components. HP's UltraPrecise dual-polymer toner and helical roller drive work together in a system designed to provide reliable, cost-effective performance over the life of the cartridge. Simple installation and reliable operation comes from HP's all-in-one cartridge design, saving time and lowering overall printing costs. Critical components in the printer's imaging system are refreshed every time you install a new HP cartridge. UltraPrecise advancements include dual polymer toner for fine details and a helical roller drive mechanism for eliminating banding and uneven gray areas.