Zebra GC420d/t

The GC420t thermal transfer printer and the GC420d direct thermal printer are Zebra’s most affordable desktop printers. They offer a cost effective way for your customers to print labels and keep business moving.

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


Standard Features
• 32 bit RISC processor
• Programming languages: EZPL (ZPL, ZPL IIand EPL2)
• Triple connectivity: USB, parallel and serial
• Print methods: Direct thermal and thermaltransfer, printing of barcodes, text and graphics.
• OpenACCESS™ for easy media andribbon loading
• Microsoft® Windows® drivers
Printer Specifications
203 dpi/8 dots per mm
8 MB Flash, 8 MB SDRAM (standard)
Print width
4.09”/104 mm
Print length
39”/990 mm
Print speed
4”/102 mm per second maximum
Media sensors
Reflective and transmissive sensors
Media Characteristics
Media width
1.00”/25.4 mm to 4.25”/108 mm
Media length
0.38”/9.6 mm to 39”/990 mm
Maximum media roll size
5”/127 mm O.D. on a 1.00”/25.4 mm,
1.5”/38 mm I.D. core
Media thickness
0.003”/0.08 mm to 0.007”/0.18 mm
Media types
• Roll-fed or fan fold
• Label stock (die cut or continous, direct thermal or thermal transfer)
• Tag stock (die cut or continous, direct thermal or thermal transfer)
• Receipt paper (continous, direct thermal)
• Wristband stock (direct thermal or
thermal transfer)
Ribbon Characteristics
Outside diameter
1.34”/34 mm
Standard length
244’ (74 m)
Ribbon capacity
1:1 One ribbon per roll of media
1.33”/33.8 mm to 4.3”/110 mm
Core I.D.
0.5”/12.7 mm
Operating Characteristics
• Operating Temp: 40° F/5° C to 105° F/41° C
• Storage Temp: -40° F/-40° C to 140° F/60° C
• Operating Humidity: 10% to 90% non-condensing R.H.
• Storage Humidity: 5% to 95% non-condensing R.H.
Agency Approvals
Physical Characteristics
GC420d GC420t
Width: 7.9”/201 mm 7.9”/201 mm
Height: 6.7”/170 mm 6.8”/173 mm
Depth: 8.2”/208 mm 9.4”/239 mm
Weight: 3 lbs/1.4 kg 3.2 lbs/1.5 kg
Zebralink™ Solutions
• ZebraDesigner™ Pro—An intuitive, easy-to-use software program for creating complex label designs (option)
• ZebraDesigner—Offers basic features for simple label design
• ZebraDesigner Driver—The most powerful driver available from Zebra Firmware
• ZPL II®—Zebra Programming Language provides sophisticated label formatting and printer control.
• EPL2™—Eltron Programming Language with Line Mode simplifies label formatting and enables format compatibility with legacy applications. Communication and Interface Capabilities
• Centronics® parallel (36 pin) connector ports
• RS-232 Serial interface
• USB V1.1 interface, bi-directional Fonts/Graphics/Symbologies
• 16 resident expandable ZPL fonts
• One resident scalable ZPL font
• 5 resident expandable EPL2 fonts
• Supports user-defined fonts and graphics— including custom logos Bar Code Symbologies
• Bar Code Ratios: 2:1 (non-rotated) and 3:1
• Linear Bar Codes: Code 11, Code 39, Code 93,
Code 128A, B & C (User selectable/Auto), UCC/
EAN-128, Code 128, UPC-A, UPC-E, EAN-8,
EAN-13, EAN-14, UPC-A and UPC-E with EAN
2 or 5 digit extensions, UPC-E with 2 and 5
add on, Plessey, POSTNET, Standard 2 of 5,
Industrial 2 of 5, Interleaved 2 of 5, LOGMARS,
MSI, Codabar, and GS1 DataBar™ (formerly
RSS), Postnet (5, 9, 11 & 13 digit) Japanese
Postnet, Plessey (MSI-1), MSI-3, German Post
Code, RSS-14 (limited, truncated, stacked).
• 2-Dimensional: PDF417 (MicroPDF-417 and
MacroPDF-417), Code 49, Maxicode, Codablock,
Data Matrix, QR code, and Aztec.
Options and Accessories
• Dispenser—Label peel and present with label
present sensor
• KDU and KDU Plus™—Keyboard display units
for stand-alone printing applications
Electrical Specifications
• Auto-ranging external power supply with C7
type connector
• Output: 20 VDC, 3.0A
• Input: 100-240 VAC, 50-60 Hz


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