Product Description Detailed Specs Downloads Reviews/Questions Product Description ZEBRA LOWER MEDIA SENSOR, (BLACK LINE SENSOR), FOR THE ZEBRA ZD421D AND ZD621D PRINTERS. Detailed Specs null null null null null null null null null null MFG Part Number P1112640-012 Product Type Printer Part (Restricted) Product Family ZD421D, ZD621D Downloads Reviews/Questions The Zebra P1112640-012 is also known as ZEB -P1112640012 or P1112640012