HP 51A Black COMPATIBLE LaserJet Toner Cartridge, Q7551A

The HP 51A (Q7551A) Black compatible toner cartridge is a reliable, high-capacity replacement for the original HP 51A black toner. Designed for use in monochrome HP LaserJet printers and MFPs, this compatible cartridge delivers professional-quality black text and graphics at a fraction of the cost of OEM cartridges.

This cartridge boasts a page yield of up to 6,500 pages (at 5% coverage), allowing for sustained, high-volume printing without frequent replacements.

Built with precision, this compatible toner meets strict quality standards (many manufacturers follow ISO 9001 / ISO 14001), ensuring reliable performance, consistent print density, and dependable operation from the first page to the last.