HP Officejet H470wf Mobile Printer - Manual (Page 73)

3. Lift the print cartridge latch open and gently remove the print cartridge from its
cradle compartment.
4. Insert the new print cartridge into its cradle compartment at the same angle at
which you removed the old print cartridge. Check the symbol on the latch against
the symbol on the print cartridge to make sure you are inserting the correct print
cartridge.
Work with print cartridges 69