How do I install an ink cartridge in my HP Photosmart C5280?

I can't work it out at alll, product website was a dud.How do I install an ink cartridge in my HP Photosmart C5280?
Here is a link with photos. It will take a few min. and the job is done:)





http://h10025.www1.hp.com/ewfrf/wc/docum鈥?/a>How do I install an ink cartridge in my HP Photosmart C5280?
i have a c5380 and to change cartridges first turn on the printer lift up the lid under the control bottons and the cartridges will come into the middle of the printer then lift out the cartridge and replace with a new one close the lid and your away.