HP Officejet 4620 - Information on ink cartridges and the printhead

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Information on ink cartridges and the printhead

The following tips help maintain HP ink cartridges and ensure consistent print quality.

The instructions in this user guide are for replacing ink cartridges, and are not
intended for first time installation.

If you need to replace an ink cartridge, wait until you have the new ink cartridge
available to install before removing the old cartridge.

CAUTION: Do not leave the ink cartridge outside of the printer for an extended
period of time. This can result in damage to both the printer and the ink

Keep all ink cartridges in the original sealed packages until they are needed.

Store ink cartridges in the same orientation packages hang on store shelves or, if
out of box, with label facing down.

Be sure to turn off the printer properly. For more information, see Turn off the

Store ink cartridges at room temperature (15-35° C or 59-95° F).

You do not need to replace the cartridges until print quality becomes unacceptable,
but a significant decrease in print quality may be the result of one or more depleted
cartridges. It could also be caused by a clogged printhead. Possible solutions
include checking the estimated ink levels remaining in the cartridges, and cleaning
the printhead. Cleaning the printhead uses some ink.

Do not clean the printhead unnecessarily. This wastes ink and shortens the life of
the cartridges.

Work with ink cartridges


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Handle ink cartridges carefully. Dropping, jarring, or rough handling during
installation can cause temporary printing problems.

If you are transporting the printer, do the following to prevent ink leaking from the
printer or other damage from occurring to the printer:

Make sure you turn off the printer by pressing Power. The printhead assembly
should be parked on the right side of the printer, in the service station. For more
information, see Turn off the printer.

Make sure you leave the ink cartridges and printhead installed.

The printer must be transported sitting flat; it should not be placed on its side,
back, front, or top.

Related topics

Check the estimated ink levels

Printhead maintenance