Amazon.com : ZEBRA ZD421 Thermal Transfer Desktop Printer 203 dpi Print Width 4-inch Wired USB and Ethernet Connectivity ZD4A042-301E00EZ, Requires Thermal Ribbon for Use : Office Products
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Amazon.com : ZEBRA ZD621 Thermal Transfer Desktop Printer Color Touch LCD 300 dpi Print Width 4-inch USB Serial Ethernet ZD6A143-301F00EZ, Requires Thermal Ribbon for Use : Office Products
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FULL Resin 110mmx74m Thermal Ribbon for Zebra ZD421t ZD621t GX420t GK430t GX430t | eBay