PF-04 Compatible for Canon Printhead The PF-04 replacement parts compatible and replaces part numbers:Compatible for Canon iPF650 iPF655 iPF670 iPF671 iPF680 iPF681 iPF685 iPF686 iPF750 iPF755 iPF760 iPF765 iPF770 iPF771 iPF780 iPF781 iPF785 iPF786 iPF830 iPF831 iPF840 iPF841 iPF850 iPF851 Features: ?Stable Performance: The print head is a premium after sale product, with stable performance and high reliability, suitable for replacing your damaged parts. ?High-quality material:Made of high-quality ABS material, this print head is lightweight, durable and stable.This print head supports black printing function, meeting your daily needs of printing black and white or color images and documents. Product Information: 1. Model: PF-04 Compatible for Canon Printhead 2. State: Brand new 3.Package Includes:PF-04 Compatible for Canon Printheadx1 Please Note: Please check the model numberbefore purchasing to make sure it is what you need. 1.When installing the nozzle, you must remove the air hole seal according to the instructions, but do not remove other seals at will, otherwise the ink will leak; 2. Each time a new nozzle is installed, the print head should generally be cleaned 3-5 times (please wash the print head at least once); 3. When any print head has no ink or is not installed, even if there is ink in the other print heads, the photo machine will not work; 4. Once the new nozzle is off, it is best not to remove it before replacing the nozzle; 5. Unless you want to replace the nozzle, do not open the nozzle protective clip (orange part), otherwise the nozzle may no longer be used; 6. Do not reach into the printer or touch the nozzle when the printer is working; first check whether the ink of a certain color in the ink cartridge has been used up. High-quality After-sales Service 1. PF-04 Printhead quality inspection before leaving the factory to ensure it is working properly and all of its seals are sturdy. 2. We have a professional after-sales service, If you have any questions, please contact us immediately, we will give you a satisfactory reply within 12 hours. 3. For any reason you're not completely satisfied, you can ask for a replacement or full refund