The Zebra P1058930-012 Printhead 203 DPI is a genuine replacement part specifically designed for the ZT420 and ZT421 printers. With a resolution of 203 DPI, this black printhead from Zebra offers high-quality printing capabilities. It comes with a manufacturer warranty of 3 months, ensuring reliable performance and longevity. This unit is ideal for those looking to maintain the efficiency and functionality of their Zebra printers, providing consistent and professional results for all printing needs.