Model Compatibility: Compatible with ZD421 203dpi barcode printer as a functional replacement thermal printhead.
Technical Specification: Matches the 203 dpi resolution requirement for the ZD421 barcode printer.
Functionality: Restores thermal printing capability when installed in the ZD421 printer.
Installation Note: Designed to fit and operate in the ZD421 printers printhead mounting configuration.
Usage Scope: Intended solely as a replacement thermal printhead for the ZD421 203dpi barcode printer.