HP 9600 Series - Manual (Page 28)

ENWW 3-4
4 Hold the print cartridge with the copper contacts facing the printer, and then slide the print
cartridge into the cradle.
5 Push down on the print cartridge latch until it snaps closed. Make sure the latch does not
spring back open.
6 Close the top cover.
If you installed a new print cartridge, the printer aligns the print cartridges and prints an
alignment page. If no alignment page prints, make sure there is paper in the input tray.
Do not open the top cover when the printer is aligning the print cartridges.