The HP 508X High Yield Black LaserJet toner cartridge, OEM part number CF360X, supplies black toner for HP Color LaserJet Enterprise M552 and M553 series printers along with the Color LaserJet Enterprise MFP M577 series. Black toner cartridges in this family carry a notably higher rated yield than their color counterparts, with this cartridge rated at approximately 12,500 pages at standard coverage, reflecting how much more heavily black toner factors into ordinary text heavy office documents. HP's ColorSphere 3 toner formulation is tuned to produce dense, sharply defined black text and fine line detail, which matters most for the black cartridge since it carries the bulk of everyday printing on mixed color and black documents alike. An embedded HP Smart security chip authenticates the cartridge with the printer on installation, part of HP's standard approach to confirming genuine supplies across its original toner lineup. The cartridge follows a tool free drop in installation design, seating directly into the printer's toner bay with an internal mechanism that distributes toner evenly across the print drum without a manual shake step. Because black toner typically depletes faster than the color cartridges in a mixed use office printer, this higher yield rating helps even out replacement intervals across all four cartridges in the lineup. Sealed original packaging protects the cartridge prior to installation, and a rated shelf life of twenty four months from the manufacture date gives businesses a workable window for holding spare units in inventory.

Key Features:

• Extra High Page Yield: Rated for approximately 12,500 pages, reflecting the heavier everyday demand placed on black toner in mixed office printing use.
• Enterprise Printer Fit: Built specifically for HP Color LaserJet Enterprise M552, M553, and MFP M577 series printers sharing the same cartridge bay design.
• Sharp Text Reproduction: The toner formulation targets dense, well defined black text and fine line detail across long enterprise print runs each day.
• Genuine Supply Authentication: An embedded security chip verifies the cartridge with the host printer, helping confirm it is not a refilled or fake unit.
• Even Replacement Cycles: The higher black yield rating helps balance cartridge swap timing against the color cartridges found in the same printer series.