[SPECIFICALLY DESIGNED FOR SELECT MODELS] This Ethernet upgrade module is compatible with ZD421, ZD421T, and ZD421D printers for effortless enhancements in functionality.
[QUALITY ASSURED PERFORMANCE] Manufactured under strict quality standards to reliable performance during every print job.
[IMPROVED NETWORK FUNCTIONALITY] Enhance your printing experience by adding network capabilities that workflow in office settings.
[MULTIPLE DPI SETTINGS] Enjoy flexibility with support for 203dpi and 300dpi resolutions, suitable for a wide range of printing tasks.
[SIZING REMINDER] Check the compatibility of your printer model before making a purchase.