8Work with ink cartridges
To ensure the best print quality from the printer, you need to perform some simple maintenance procedures. This section provides guidelines for handling the ink cartridges, instructions for replacing the ink cartridges, and aligning and cleaning the printhead.
TIP: If you have problems copying documents, see Print quality troubleshooting.
This section contains the following topics:
•Information on ink cartridges and the printhead
•Check the estimated ink levels
•Print with one or more depleted cartridges
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.
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CAUTION: HP recommends that you replace any missing cartridges as soon as possible to avoid print quality issues and possible extra ink usage or damage to the ink system. Never turn off the printer when ink cartridges are missing.
•Keep all ink cartridges in the original sealed packages until they are needed.
•Be sure to turn off the printer properly. For more information, see Turn the printer off.
•Store ink cartridges at room temperature
•Do not clean the printhead unnecessarily. This wastes ink and shortens the life of the cartridges.
•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 the 
(Power button). Wait until all sounds of internal motion stop before unplugging the printer. For more information, see Turn the printer off.
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.
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