Features 1. Great Printing Results: Printer head replacement parts have undergone multiple tests to ensure performance, allowing your printer to run smoothly and produce excellent prints. 2. Easy to Install: The printer head is user-friendly, requiring no additional accessories or tools. Simply press it into place to complete the installation, saving you time. 3. ABS Material: The replacement printer head is made of ABS material, offering rust resistance, enhanced durability, and longevity. 4. Usage Instructions: If the printer does not recognize the print head, remove it, gently wipe the electrical contacts with a paper tissue, restart the printer, and then reinstall the print head. 5. Applicable Models: This print head is compatible with HP688, CN688A 364, 3070, 3520, 5525, 4620, 5520, and 5510 models. Specification Item Type: Print Head Material: ABS Applicable Models: For HP688, for CN688A 364, for 3070, for 3520, for 5525, for 4620, for 5520, for 5510 Package list 1 x Print Head