Item Type: Printhead ReplacementMaterial: ABSScope of Application: ForHP Deskjet for 3070 for 3520 for 5525 for 4620 for 5520 for 5510 for 4615 Printers .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Compatible Models: The print head is compatible for HP Deskjet for 3070 for 3520 for 5525 for 4620 for 5520 for 5510 for 4615 printers 2Easy 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 away 3High Performance: The print head chip can identify ink cartridges faster, the print head ejects smoothly, protecting the printer, and prints clearly and brightly 4ABS 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 head 5Functional 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 heads