Features: 1. Good Printing Results: Print head replacement parts have been tested multiple times to ensure print head performance, allowing your printer to operate smoothly and produce high-quality prints. 2. Easy to Install: The print head is simple to install with no additional accessories or tools required. Just insert the print head to complete installation, saving time and effort. 3. ABS Material: Replacement print head is made of ABS material, providing rust resistance, enhanced durability, and improved wear resistance. 4. Usage Note: If the printer does not recognize the print head, remove it, gently clean the electrical contacts with a dry tissue, restart the printer, and reinstall the print head. 5. Applicable Models: Compatible with HP688, CN688A, 364, 3070, 3520, 5525, 4620, 5520, and 5510 printers. Specifications: Item Type: Printer Print Head Material: ABS Compatible Models: HP688, CN688A, 364, 3070, 3520, 5525, 4620, 5520, 5510 Package List: 1 x Printer Print Head