HP Color LaserJet 9500 Multifunction Printer series - Manual (Page 210)

http://www.hp.com/go/clj9500mfp
194 Chapter 8 – Managing and maintaining Rev. 1.0
4 Remove the new cartridge from its packaging.
Note
You do not need to remove any seals on the cartridge.
5 Align the arrow label on the top of the cartridge with the arrow label above
the empty slot. Slide the cartridge into the slot until it clicks.
Note
If the cartridge does not fit, make sure that you are installing the correct
color in the correct slot.
6 Turn the blue lever to the left until it clicks into place.
5
4
6