Support demanding print environments with the Lexmark 78C0UKG black return 10.5K cartridge. This OEM toner supply is built for select Lexmark CS and CX series printers and is sized for extended use, helping reduce cartridge swaps and keep document production moving in busy departments. The 10.5K yield is well suited to organizations that print consistently and want a cartridge that can keep pace without frequent intervention. As a return cartridge, it aligns with procurement programs that value OEM supply control and cartridge return handling. TAA designation adds another layer of fit for public sector and regulated purchasing requirements. For teams standardizing on Lexmark color laser devices but relying on black output for everyday business documents, this cartridge offers a straightforward way to maintain output quality and operational continuity. It is a practical choice when the cost of downtime, not just the cost of the cartridge, drives the buying decision.