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ZT411 and ZT421 standard user connectivity interface for communication between printer and host. Included USB, TCPIP, RS232 and bluetooth.
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Zebra GX420d Direct Thermal Desktop Printer Print Width of 4 in USB Serial and Ethernet Port Connectivity GX42-202410-000 GX42-202410-000 | Fast Server Corp. www.srvfast.com
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Amazon.com : ZEBRA GX420d Direct Thermal Desktop Printer Print Width of 4 in USB Serial and Ethernet Port Connectivity GX42-202410-000 : Office Products
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Zebra Parallel Port Card - parallel adapter - parallel - P1083320-040 - Thermal Printer Supplies - CDW.com
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