Feature:1. Compatible Models: The print head is compatible for HP Deskjet for 3070 for 3520 for 5525 for 4620 for 5520 for 5510 for 4615 printers2. Easy Installation: The kit contains 1 print head, which can be installed and used without any accessories and disassembly, without damaging the original machine. Be careful when installing the nozzle, be sure to cut off the power before putting it away3. High Performance: The print head chip can identify ink cartridges faster, the print head ejects smoothly, protecting the printer, and prints clearly and brightly4. ABS Material: The print head housing is made of ABS, which is more wearable. There may be a small amount of ink remaining on the print head, which is normal and does not affect the use of the print head5. Functional Test: The print head test is carried out before leaving the factory to ensure the performance of each set of accessories. Manual assembly line machine testing ensures high performance output of print headsSpecification:Item Type: Printhead ReplacementMaterial: ABSScope of Application: For HP Deskjet for 3070 for 3520 for 5525 for 4620 for 5520 for 5510 for 4615 Printers.Package List:1 x Print Head