HP Officejet 6500 - Manual (Page 150)

3. Press the tab on the front of the ink cartridge to release it, and then remove it from
the slot.
4. Remove the new ink cartridge from its packaging by pulling the orange pull-tab
straight back to remove the plastic wrap from the ink cartridge.
NOTE: Make sure you remove the plastic wrap from the ink cartridge before
installing it in the product, or printing will fail.
Chapter 9
146 Maintain and troubleshoot