Thermal Print Head model G79057M designed for use with Z4M, Z4000, Z4M+, and Z4M Plus label printers.This 300 DPI print head provides consistent performance for barcode printing applications.It is engineered to support thermal printing in standard labeling environments.The unit installs directly into compatible printer models and functions as a replacement component for existing print heads. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.