HP Customer Support
HP Officejet 4400 (K410), Deskjet Ink Advantage (K209), and Deskjet F4400 and F4500 All-in-One Printer Series - Replacing the Cartridges
The following video demonstrates how to replace a print cartridge.
note:This video shows the HP Deskjet F4400. The outside of the product might not look the same as your product, but the steps are the same.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube..