78C0Z10 Developer Unit Compatible for Lexmark CS321 CS421 CS521 C5621 CX321 CX421 CX521 CX522 CX621 CX622 Printers — Includes Chip, High Yield 20000 Pages

Broad printer compatibility: Designed for use with Lexmark CS321, CS421, CS521, C5621, CX321, CX421, CX521, CX522, CX621 and CX622 models, suitable for home users, small businesses and large corporations. Reliable high yield: Delivers a high page yield of 20000 pages for Black (BK/K) and 20000 pages for Color (C/M/Y), reducing the frequency of replacements and supporting larger print volumes. Built for productivity: Optimized throughput and coverage help ensure print jobs finish quickly and efficiently. Plug-and-play chip: Includes the latest chip technology for straightforward installation and immediate operation without complex setup.