Zebra GK420

Differences between 'direct' and 'thermal' models

The Zebra GK420d printer is a DIRECT THERMAL printer – that is, it uses chemically treated, heat sensitive paper that blackens when it passes under the printer’s thermal printhead. So, the GK420d doesn’t use any other consumables to print an image (so no inks or thermal transfer ribbons required). The D in GK420d stands for direct thermal – at this point it may be worth explaining that the sister model to the GK420d is the GK420t (where the T denotes thermal transfer) – this model can use both direct thermal and thermal transfer labels.

Zebra’s G-Series compact desktop printers deliver best-in-class speed and performance for print widths up to 104mm (4″). From the basic GK™ model to the feature-rich GX™ model, the G-Series printers offer a reliable, durable and flexible desktop solution for any printing application and budget.

Built with Zebra durability and reliability, the G-Series GK model provides the best value of all basic desktop thermal printers, while the premier GX model supports a variety of industries and applications with the widest range of features. Choose the space-saving direct-thermal version of either model for the smallest footprint of any 104mm (4″) desktop printer, or the direct-thermal/thermal-transfer version to save users time with the easiest ribbon-loading system available.

With both EPL™ and ZPL® native on all models and a variety of connectivity options for personal, local and networked systems, the G-Series printers integrate easily and seamlessly with other Zebra printing solutions.

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

Healthcare: Patient identification, Sample and specimen identification, Sterile services labelling, Pharmacy prescription labelling
Retail: Product labelling, Price mark-down, Shelf-edge labelling, Voucher and receipt printing
Travel: Boarding passes, Bag tags
Hospitality, Service & Leisure: Event and exhibition ticketing, Fast-food labelling, Gaming and betting slips
Supply chain: Process, product and shipping labelling
Post & parcel: Electronic franking, Address labelling

Standard Features
Print Methods	Direct thermal or thermal transfer
Construction	Dual-wall frame
Communications	RS-232 serial interface, DB-9 USB 1.1, bi-directional ZebraNet 10/100 Print Server (optional) – replaces serial
Additional	Tool-less replacement of printhead and platen Programming languages: EPL and ZPL as standard Quick and easy ribbon loading OpenACCESS™ for easy media loading
Barcodes	Linear bar codes: 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), RSS-14 (limited, truncated, stacked), 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 bar codes: Aztec, Codablock, Code 49, Data, Matrix, MacroPDF417, MaxiCode, MicroPDF417, PDF417, QR Code, 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
Printer Specifications
Resolution	8 dots per mm/203dpi
Memory	4MB flash; 8MB SDRAM
Maximum Print Width	104mm/4.09″
Maximum Print Speed	127mm/5″ per second
Maximum Continuous Print Length	990mm/39.0″
Media Characteristics
Media Width	19mm/0.75″ to 108mm/4.25″
Maximum Media Lenght	Maximum non-continuous: 990mm/39″
Thickness	0.076mm/0.003″ to 0.19mm/0.0075″
Media Types	Roll-fed or fanfold, die-cut or continuous direct-thermal labels with or without black mark, tag stock, continuous receipt paper, wristbands
Operating Characteristics
Operating Temperatures :	Operating Temperature: Thermal transfer= 4.4°C to 41°C Direct thermal= 4.4°C to 41°C Storing Temperature= -40°C to 60°C Operating Humidity: 5% to 95% non-condensing Storage Humidity: 5% to 95% non-condensing Electrical: Auto-detectable (PFC-compliant) 100–240VAC, 50–60Hz
Dimensions & Weight	Depth: Direct thermal: 210mm/8.25″; Thermal transfer: 254mm/10.0″ Width: Direct thermal: 171mm/6.75″; Thermal transfer: 193mm/7.6″ Height: Direct thermal: 152mm/6.0″; Thermal transfer: 190mm/7.5″ Weight: Direct thermal: 1.4kg/3lb; Thermal transfer: 2.1kg/4.6lb

Zebra GK420 Datasheet EN

Zebra GK420 Healthcare EN

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