Zebra ZD6A043-301F00EZ Model ZD621 Thermal Transfer Desktop Printer, 300 dpi Resolution, 6 Inch/Sec Print Speed, 4 Inch Print Width; USB, Serial and Ethernet Interfaces Key Features - Easy usage: Connects via Ethernet, Serial, wired USB and is compatible with media rolls that have a 1 in core, a max diameter of 5 in, and a max width of 4.25 in . Let your needs determine the connections the precise way you need it with our plethora of adaptable options where you need them the most - Dual thermal: Requires the use of a thermal ribbon; can also print using Direct Thermal technology which requires the use of direct thermal media but no ribbon required while thermal transfer printing uses a heated ribbon to produce durable, long-lasting images on a wide variety of materials - Powerful: Fast print speeds, superior performance, and top print quality for address, shipping, mailing, file folder, barcode, and binder labels as well as name tags, wrist bands, and receipts. Compatible with field installable add-ons (cutter, peeler, connectivity port adapters), max print speed of 6 in/sec, 300 dpi, and is Energy Star approved - Unbeatable performance: At Zebra, we are committed to empowering teams with the mobility and insight to deliver at the cutting edge of excellence. More than just providing intelligent hardware, we offer solutions that give organizations complete visibility to make smart, nimble decisions about what action to take now, and how to plan for tomorrow Specifications - Resolution: 300 dpi/12 dots per mm - Memory: 512 MB Flas,h, 256 MB SDRAM - Maximum Print Width: 4.27"/108mm - Maximum Print Speed: 6"/152mm per second - Media Sensors: Full width, moveable reflective/black mark sensor; multiposition transmissive/gap sensor - Dimensions: 10.5"L x 8"W x 7.5"H - Weight: 5.5 lbs