Standard Features	•Print methods: Thermal transfer or direct thermal • Programming language: EPL and ZPL are standard construction: Dual-wall frame • Tool-less printhead and platen replacement • OpenACCESS™ for easy media loading • Quick and easy ribbon loading • Auto-calibration of media • Triple connectivity: USB, parallel, serial
Resolution	• 203 dpi/8 dots per mm • 300 dpi/12 dots per mm (GX430t model)
Memory	• Standard: 4 MB Flash; 8 MB SDRAM • Optional: 64 MB (68 MB total) Flash with RTC (GX models)
Print Width	4.09”/104 mm
Maximum Print Length	39.0”/990 mm
Maximum Print Speed	• GK420™: 5”/127 mm per second • GX420™: 6”/152 mm per second • GX430™: 4”/102 mm per second
Media Sensors	• Standard: Fixed reflective and transmissive sensors • Optional: Adjustable reflective black line sensor (GX models)
Maximum Label and Liner Length	Maximum non-continuous: 39”/990 mm
Maximum Label and Liner Width	0.75”/19 mm to 4.25”/108 mm
Maximum Media Roll Size	5”/127 mm O.D.
Ribbon Characteristics	• Outside diameter: 1.36”/35 mm • Standard length: 244’/74 m • Ratio: 1:1 media to roll to ribbon • Width: 1.33”/33.8 mm to 43”/109.2 mm • Core inner diameter: 0.5”/12.7 mm
Environmental	• Operating temperature: 40° F/4.4° C to 105° F/41° C • Storage temperature: -40° F/-40° C to 140° F/60° C • Operating humidity: 5% to 95% non-condensing • Storage humidity: 5% to 95% non-condensing