Make sure you purchase the right model of printhead. Please confirm the fault part of your printer before you decide to replace a printhead. For example: If you get Error 5100,you need to: a. Clear debris from carriage head to eliminate canon error 5100. b. Make sure you set the ink cartridges properly. c. Lubricate the purge cap. d. Clean the Timing film. It is not the fault of printhead. If the printhead can’t print colors.Please take out the printhead from your printer,and use a white tissues to touch the mouth of the printhead. If the color print on the tissues,it means not the fault of printhead,and you need to continue to troubleshoot. If you get error B200?Please contact us? NOTE: The picture, parameter is for your reference, maybe the product update and packing changing not noted to you, pls. take the actual delivery as standard. We promise the goods quality and available. Pls. make your understanding.