This HP 934XL black ink cartridge, model C2P23AN, is a high-yield printing solution designed to produce crisp, professional-quality documents. This unit is provided in open-box condition, ensuring the internal cartridge remains in its protective state for optimal performance. It is engineered to deliver a consistent page yield of approximately 1,000 pages.This high-capacity ink cartridge is designed for use with a variety of printers, specifically for OfficeJet Pro 6230, 6812, 6815, 6820, 6830, and 6835 series machines. The ink formulation ensures sharp text and bold black tones for all your printing needs.Reliability is at the core of this HP 934XL ink supply. Whether you are printing high-volume reports, business documents, or everyday projects, this high-yield cartridge provides the efficiency required for your HP OfficeJet Pro series printer.