?WORRY-FREE SERVICE?If the product quality problems our provides free return service, please carefully check whether the code data is consistent before purchase, Our provides lifelong technical support. All messages will be replied within 24 hours, and our customer service team will be happy to serve you. ?PERFORMANCE AND QUALITY?Our 711 C1Q10A 6-color printhead features upgraded inkjet technology that efficiently recognizes ink cartridges without ever causing any damage or interruption. The 711 printhead jets ink smoothly and consistently produces vibrant, no ink blocking, clear printing, and continuous lines. ?COMPATIBLE INK TYPES?Black Cyan Magenta Yelllow,high-quality prints produced by High quality printheads. Get dark multicolour,fine colorific transitions, images with true neutral grays, and a wide range of vivid colors on a broad range of papers. ?UILT-IN INTELLIGENT?uilt-in intelligent Chip: Our 711 print head replacement equipment is equipped with the latest version of chips,Each High Yield 711 printhead undergoes a strict quality testing procedure to ensure quality and compatibility with your printer that is already installed and ready to use. ?COMPATIBLE DEVICE?HP 711 DesignJet T530 T525 T520 T130 T125 T120 & T100 T120 Large Format Plotter Printer.