HP 90 - printhead with Cleaner (C5057A)

I'm gonna show you a couple of ways how to clean your print hairs here on your HP printer mine's is the HP Officejet Pro six nine six eight first what you want to do is open a cover and take out your print cartridges as you can see I'm gonna take out all four and the next thing you want to do is turn the power off make sure you turn your power on because you don't want anything shorting out so I'm gonna just slide it right here and then what I'm gonna do I'm gonna reach across let me hit the power once they get the power imma have to grab the cartridge holder and it's gonna try to move into the home position but just hold it there you don't have to put a lot of pressure just on let it move too far and what's gonna happen it's gonna go off here what it was trying to do is go into the home position over there to the right and you don't want that so once the power off you to slide it and w