Zebra Printhead Assy, S4M (300 dpi). Print technology resolution: 300 x 300 DPIZebra\'s replacement parts and printheads are quality components made to Zebra\'s exacting engineering standards. These cost-effective components ensure that your printer will continue to provide the quality, reliability, and performance you expect. Quality Stamped from the same tools and dies as the originals, Zebra replacement parts and printheads are thoroughly inspected to ensure that they fit just as precisely as the originals. They are made from the same high-quality materials to provide superior performance and protection against wear. Reliability Built to exacting standards, Zebra printheads are designed to drop directly into the fitting, preventing potential errors and accidents during installation and use. Performance Zebra printheads help keep your printer performing like new, thanks to their unsurpassed fit and function.