Zebra GK Series GK420t thermal transfer printer (PN 107321) - DISCONTINUED

Item #107321

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Availability: Out of stock


  • The GK420 Series printers have been discontinued by the manufacturer. See model ZD420t (PN 192722) for recommended alternative.

  • Print width: 4.09"

  • 5" per second print speed

  • 203 dpi

  • USB, RS-232 interface, parallel

  • Auto sense EPLZ or ZPL

  • Tear bar


With the GK420t direct thermal/thermal transfer printer, use Zebra's easy ribbon-loading thermal transfer technology to product crisp, long lasting label images, or direct thermal technology to print receipts and labels for indoor, short-term use. The GK420t is well-suited to any industry, and provides the same print speeds and connectivity options as the GK420d.

Paper Width 0.75" to 4.25" (19 mm to 108 mm)
Paper Thickness 0.003" to 0.0075" (0.08 mm to 0.19 mm)
Paper Diameter (OD) 5" (127 mm)
Paper Roll Shaft 1" (standard)
Resolution 203 dpi/8 dots per mm
Memory Standard: 4 MB flash; 8 MB SDRAM
Print Width 4.09" (104 mm)
Bar Code Symbologies Bar code ratios: 2:1 (non-rotated) and 3:1 Linear bar codes; Codabar, Code 11 (ZPL), Code 128, Code 39, Code 93, EAN-13, EAN-8, EAN-14 (ZPL), German Post Code (EPL), Industrial 2-of-5 (ZPL), Interleaved 2-of-5, Japanese Postnet (EPL), ISBT-128 (ZPL), Logmars (ZPL), MSI, Plessey, Postnet, GS1 DataBar (RSS-14), Standard 2-of-5 (ZPL), UCC/EAN-128 (EPL),UPC and EAN 2 or 5 digit extensions (ZPL), UPC-A, UPC-A and uPC-E with EAN 2 or 5 digit extensions, UPC-E, and GS1 DataBar (formerly RSS) Two-Dimensional: Codablock (ZPL), Code 49 (ZPL), Data Matrix, MaxiCode, QR Code, MicroPDF417, Aztec For EPL and ZPL except where noted
Maximum Print Length 39.0" (990 mm)
Maximum Print Speed 5" (127 mm) per second
Media Sensors Standard: fixed reflective
Ribbon Outside Diameter 1.36" (35 mm)
Ribbon Standard Length 244' (75 m)
Ribbon Ratio 1:1 media to roll to ribbon
Ribbon Width 1.33" to 4.3" (33.8 mm to 109.2 mm)
Ribbon Core Inner Diameter 0.5" (12.7 mm)
Interface USB: 2.0 compliant
Serial: DB-9F
Operating Characteristics Operating Temperature: 40° F to 105° F (41° C to 4.4° C)
Storage temperature: -40° F to 140° F (-40° C to 60° C)
Operating humidity: 5% to 95 % non-condensing
Storage humidity: 5% to 95 % non-condensing
Electrical Auto-detectable (PFC compliant) 100-240 VAV, 50-60 Hz
Dimensions (W x H x D) 7.6" x 7.5" x 10" (193 mm x 191 mm x 254 mm)
Approximate Weight 5 lb

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