HP Deskjet 5850 Color Inkjet Printer - Manual (Page 40)

remove the plastic tape.
Caution! Do not touch the print cartridge ink nozzles or copper
contacts. Touching these parts will result in clogs, ink failure, and
bad electrical connections. Do not remove the copper strips. They
are required electrical contacts.
1. remove plastic tape
7. Hold the print cartridge so that the copper strip is on the bottom and facing
toward the printer, then slide the print cartridge into the cradle as shown.
8. Push down on the print cartridge latch until it snaps closed.
9. Close the top cover.
The printer automatically prints a calibration page.
For information on storing print cartridges, click here .
For information on recycling empty print cartridges, click here .
Warning! Keep both new and used print cartridges out of the reach
of children.