①. Compatible Models: The print head is compatible for HP Officejet Pro for 8100 for 8600 for 8620 for 8630 for 8610 for 8650 for 251DW for 276DW for HP 950 for 951 for 950xl for 951xl printers ②. ABS Material: The print head is made of ABS material, which is safe and durable with long service life ③. Easy Installation: The printhead replacement does not need any accessories and disassembly, and can be installed and used directly without damaging the original machine ④. Pay Attention: Be careful when installing the print head, be sure to cut off the power before putting it away. Reliable photo inks are recommended to prolong the life of the piezo nozzles ⑤. High Performance: The print head is tested 950 times before leaving the factory to ensure high performance output of each set of accessories. When you receive the product, there may be some ink, this is also normal and does not affect the work of the printer ⑥. Lightweight and Compact: Small, lightweight and easy to use, The print head is a very practical replacement for older printheads ⑦. Specification: Item Type: Printhead Replacement; Material: ABS; Scope of Application: For HP Officejet Pro for 8100 for 8600 for 8630 for 8620 for 8610 for 8650 for 251DW for 276DW. ⑧. Package List: 1 x Print Head (Snap Color Random)