Feature: 1. APPLICABLE MODEL: This replacement printhead is suitable for WF 7610 7620 3620 3640 7111 L1455 3720 printer models, which has good compatibility. 2. STANDARD SIZE: The print head has a standard size and can directly replace the old or damaged print head without damaging the original machine. 3. GOOD PERFORMANCE: The printer head has fast printing speed, with high accuracy and sensitivity, clear and bright printing colors, efficient and sturdy. 4. EXCELLENT SHELL: Made of excellent ABS material, the print head is resistant to corrosion and aging, not easy to break, and has a long service life. 5. REPLACEMENT PART: The printer head has stable performance, high reliability, no crystallization and prevents plugging, can replace damaged printhead. Specification: Item Type: Printhead Replacement Model: WF 7620 Applicable Models: Suitable for WF 7610 7620 3620 3640 7111 L1455 3720. Package List: 1 x Printhead Note: Before installing the print head, please make sure that there is no problem with the machine, and there is no abnormality. The failure of the main board of the machine and the cleaning unit may cause the print head to be short‑circuited and burned.Please note that the product is a refurbishment part.