GC420 Direct Thermal Printer

Zebra’s GC420™ Series printers offer professional printing for any budget. These affordable, easy-to-use printers are ideal for a variety of basic labeling applications. Although value priced, these printers are still engineered for reliability and longevity. Like all G-Series printers, the GC420 has a dual-wall framed construction and all-metal printhead to reduce replacement parts and decrease printer downtime. 

Manufacturer Part Number
Full Product Specifications


  • The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
  • These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
  • These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

  • Print Width

    4.09”/104 mm

  • print resolution

    203 dpi/8 dots per mm

  • maximum print speed

    4”/102 mm per second maximum

  • media sensors

    Reflective and transmissive sensors

  • communication methods

    Centronics® parallel (36 pin) connector ports

    RS-232 Serial interface

    USB V1.1 interface, bi-directional