Product Description Detailed Specs Downloads Reviews/Questions Product Description ZEBRA RIBBON OUT / HEAD OPEN SENSOR FOR THE ZEBRA Z4M00 & Z6M00 PRINTERS Detailed Specs Product Family ZM400, ZM600 MFG Part Number 79821M Product Type Printer Part (Restricted) Sold By Each Compatible Printers ZM400, ZM600 null null null null null null null null null null Downloads Reviews/Questions The Zebra 79821M is also known as ZEB -79821M or 79821M