The Zebra GK420t thermal transfer 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 GK420t has a sleek and compact design, boasts the easiest ribbon loading system on the market, and supports a variety of applications and industries.

• Print speed: up to 5" (127 mm) per second
• Print method: direct thermal/thermal transfer
• EPL and ZPL programming languages standard
• OpenACCESS design for easy media loading
• Quick and easy ribbon loading system
• Dual-wall reinforced plastic construction
• 32 bit RISC processor

Resolution

            203 dpi (8 dots/mm)

Memory

Standard: 8 MB SDRAM (4 MB available to user); 4 MB Flash (1.5 MB available to user)

Print width

4.09" (104 mm)

Print length

39" (991 mm)

Print speed

5" (127 mm)/sec

Media sensors

Reflective
Transmissive

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

1.0" (2.54 mm) and 1.5" (38 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

Outside diameter

1.34" (34 mm)

Standard length

244' (74 m)

Ratio

1:1

Ribbon width

• Recommended to be at least as wide as media
• 1.33" (33.8 mm) to 4.3" (110 mm)

ID Core

0.5" (12.7 mm)

Operating temperature

TT: Operating temperature 40° F (5° C) to 105° F (41° C) Thermal transfer
DT: Operating temperature 40° F (5° C) to 105° F (41° C) Direct thermal

Storage temperatures

-40° F (-40° C) to 140° F (60° C)

Operating humidity

10-90% non-condensing

Storage humidity

5-95% non-condensing

Electrical

Auto-detecable (PFC Compliant) 100-240 VAC, 50-60 Hz

Agency approvals

• FCC Part 15
• Subpart 15
• VCCI
• C-Tick
• EN55022 Class-B
• EN6100-3-2
• EN6100-3-3
• EN55024
• CCC
• CB Scheme IEC 60950: 1991 +A1 +A2 + A3 +A4
• TUV NRTL
• IRAM
• NOM
• AAMI

Width

7.6" (194 mm)

Height

7.5" (191 mm)

Depth

10" (254 mm)

Weight

4.6 lbs (2.1 kg)

Shipping weight

9.1 lbs (4.1 kg)

Orientation

Center

Options

• ZebraNet 10/100 Print Server for Ethernet connectivity
• Dispenser with label taken sensor
• Asian font sets

Communication and Interface Capabilities

• Serial RS-232 (DB-9)
• USB V1.1
• Internal ZebraNet 10/100 Print Server (replaces serial port)

Core programming languages

EPL2, Line Mode, ZPL I/ZPL II

• Linear
• Codabar
• Code 11
• Code 128
• Code 128 with subsets A/B/C
• Code 39
• Code 93
• EAN-13
• EAN-14
• EAN-8
• EAN-8 and EAN-13 with 2 or 5 digit extensions
• German Post Code
• Industrial 2-of-5
• Interleaved 2-of-5
• Japanese Postnet
• Logmars
• MSI
• MSI-3
• Plessey
• Postnet
• RSS (reduced space symbology)
• Standard 2-of-5
• UCC/EAN-128
• UPC and EAN 2 or 5 digit extensions
• UPC-A
• UPC-A and UPC-E with 2 or 5 digit extensions
• UPC-A and UPC-E with EAN 2 or 5 digit extensions
• UPC-E

2-dimensional

• Aztec
• Codablock
• Code 49
• Data Matrix
• MacroPDF417
• MaxiCode
• MicroPDF417
• PDF417
• QR Code
• QR Code (requires Asian version printer)
• RSS / GS1 DataBar family (12 barcodes)

Fonts and Graphics

• 16 resident expandable ZPL II bitmap fonts
• One resident scalable ZPL font
• Five resident expandable EPL2 bitmap fonts
• Supports user-defined fonts and graphics - including customer logos