Item Type: Printer Print HeadMaterial: ABSApplicable Models:For HP688,for CN688A 364,for 3070,for 3520,for 5525,for 4620,for 5520,for 5510 .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; } 1Good Printing Results: Printer head replacement parts have been tested many times to ensure the performance of the print head, allowing your printer to run smoothly and print well. 2Easy to Install: The printer print head is easy to use, no other accessories or extra tools are needed, just push the print head to complete the installation, saving you time. 3ABS Material: Replacement printhead is made of ABS material, rust proof, more wear resistant and durable. 4Usage Note: If the printer does not recognize the printhead, remove the printhead, wipe the electrical contacts on it lightly with a tissue, restart the printer and reinstall the printhead. 5Applicable Models: Printer head can be suitable for HP688 printer print head, for CN688A 364,for 3070,for 3520,for 5525,for 4620,for 5520,for 5510.