INKUTEN Remanufactured Replacement Printhead Printer Print Head for HP 950 951 Officejet Pro 8100 8600 8610 8620 8630 8625 8635 8640 Printer Tested and proved to be compatible with OEM printheads, easy installation with detailed instructions. Unlike the OEM printhead, you don't need to spend extras on setup cartridges to make it work, where allows you to save even more. Printer compatibility: HP OfficeJet Pro 8600 8100 8610 8620 8660 8630 8640 8615 8625 251DW 276DW and 271DW printers Remanufactured printhead for any printer that uses HP950 cartridges. 100% Satisfaction Guaranteed, If you are not satisfied for any reason with the product, you may return your purchase for a replacement or a full refund within 30 days of receipt. Please be noted that minor installation will be required and you do need to have the print head frame from your old printhead on hand in order to have this printhead fully assembled and be ready to use.