Clog-free throughout the life of the cartridge. Produces rich text and graphics that stand out. All cartridges are specifically engineered for use in HP Deskjet portable printers to optimize printing performance. The HP 33 is a 300 dpi black ink print cartridge that delivers sharp professional quality documents anywhere, anytime. Ideal for business or home users who want the flexibility of printing wherever they go. Supply Type: Ink; Color(s): Black; Device Types: Inkjet Printer; Ink Yield: N/A.