Product Description Detailed Specs Downloads Reviews/Questions Product Description GX Main Logic Board, USB/Serial/Ethernet, ZBI Detailed Specs null null null null null null null null null null MFG Part Number P1027135-021 Product Type Printer Part (Restricted) Product Family GX420D, GX420T Downloads Reviews/Questions The Zebra P1027135-021 is also known as ZEB -P1027135021 or P1027135021