Open the front door, and then lift the ink cartridge access door.
Wait until the carriage stops moving before you continue.
Remove an ink cartridge from its slot.
Examine the vent area above the HP logo on the top of the ink cartridge.
If the ink cartridge still has the orange pull-tab attached, pull to remove it.
If the vent is clogged, use a straight pin to gently remove excess adhesive from the vent.
With a straight pin, gently remove excess adhesive from the vent
Turn the ink cartridge so that the ink cartridge contacts face downward, and then match the label color with the color dot on the carriage.
Slide the ink cartridge into its slot, and then press down on the ink cartridge until it snaps into place.
Repeat these steps to inspect the vents on each of the ink cartridges.
Make sure each ink cartridge is firmly installed in its slot. Run your finger along the top of the ink cartridges to feel for any that are protruding, and if any are, press down firmly until each ink cartridge snaps into place.
You can refer this HP document for more assistance:- Click here
I hope that helps.
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