1 color For HP 771 DesignJet Printhead CE017A CE018A CE019A CE020A Print Head For HP Designjet Z6200 Z6600 Z6800 Printer Head Printhead Model : For HP 771 Printhead Condition : Refurbished,second-hand,used Warranty : 6 Months Free Warranty Please choice the color you need. Make sure all the printer part work well before install our product. If need more Technical Services please send us message first.