SuppliesMAX Drum Unit compatible replacement for HP Q3964A. Yields up to 20000 pages at 5% coverage for consistent, high-volume printing. Built with quality components to deliver crisp black output, clear color contrast, and reliable performance for everyday business and personal use. Designed for long-lasting results and easy installation in supported 110V printers sold in the U.S. Model: SuppliesMAX HP Q3964A Drum Unit Color: Black/Color Yield: 20000 Machine Compatibility: See overview tab Manufacturer Warranty: 30 DAYS Our compatible toner, inkjet cartridges, ribbons, copier and other supplies are constructed to original OEM specifications. Guaranteed Superior Quality to Meet or Exceed High Priced OEM Products. Product packing may vary but it will not affect quality and warranty.