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Zebra GK420d Direct Thermal Label Printer (USB, Serial, Parallel)

$595.00 $540.91
In Stock

The perfect fit wherever you need a low-priced, space-saving printer for receipts, coupons, labels or tags

Replaced by Zebra ZD420D - Some Stock Still Avaiable of this model

Replacement for the GK42-202540-000

The Zebra enhanced GK420d direct thermal printer offers the best value in a basic desktop printer, featuring a fast 5 inches per second print speed to meet your low- to medium-volume printing requirements.  The GK420d boasts the smallest footprint in a 4-inch desktop printer, and supports a variety of applications and industries.


  • Print speed: up to 5" (127 mm) per second
  • 8dot/mm (203 dpi)
  • Print width 4.09" (104 mm) Print length 39" (991 mm)
  • Core Diameter 1.0″ (25.4 mm) and 1.5″ (38 mm)
  • Direct thermal print method (usb, serial, parallel interface)
  • EPL and ZPL programming languages
  • OpenACCESS design for easy media loading
  • Smallest footprint in 4-inch thermal printer
  • Dual-wall reinforced plastic construction
  • 32 bit RISC processor
  • Triple Connectivity (USB, Auto-sensing serial and Centornics parallel)
  • Recommended Labels Per Day 1,600


Zebra’s G-Series printers support many applications, including:

  • Retail price marking, gift registry, and coupon and receipt printing
  • Retail pharmacy prescription labeling
  • Healthcare specimen labeling and patient tracking
  • Light-industrial work-inprocess, product and shipping labeling
  • Security applications: visitor ID, evidence tracking, parking passes
  • Travel/Hospitality: boarding passes, bag tags, ski lift tickets
  • Warranty:  Manufacture 1 Year Limited covering parts and labor, 6 Month Print Head Warranty



  • Maximum label and liner width: 4.25" (108 mm)
  • Minimum label and liner width: 0.75" (19 mm)
  • Maximum label and liner length: 0.38" (9.7 mm) to 39" (991 mm)
  • Maximum roll diameter: 5" (127 mm)
  • Core diameter: 0.5" (12.7 mm), 1.0" (25.4 mm), 1.5" (37.1 mm)
  • Media thickness: 0.003" (0.08 mm) to 0.0075" (0.20 mm)
  • Media types: black bar, black mark, continuous, continuous receipt, die-cut, fanfold, gap, notched, perforated, receipt, roll-fed, tag, tag stock