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146 10 - Maintaining and troubleshooting ENWW
Gaining access to the supplies area
The ink cartridges and printheads are located under the print-carriage access door.
To gain access to the supplies area
1 Open the print-carriage access door by lifting the door handle up, as shown in the
following figure.
CAUTION Do not use the keyboard tray to lift the print-carriage access door. Doing so might damage the
tray.
2 Lift the print-carriage access door until it locks into place.
3 To close the door, lift the door up slightly, and then lower the door until it closes.
Maintaining the printheads
This section contains information about the following topics.
z Cleaning the printheads
z Cleaning the printhead contacts
z Aligning the printheads
Cleaning the printheads
The printheads for your all-in-one have microscopic nozzles. The all-in-one is designed to
prevent nozzles from drying out when the all-in-one is idle and when it is turned off.
Clean the printheads for the following reasons:
z When the printhead nozzles become clogged. Nozzles can become clogged when
exposed to the air for more than a few minutes. A printhead that is not used for long
periods of time can also clog, resulting in a noticeable degradation of print quality.
z When lines or dots are missing from printed text or graphics.
Cleaning the printheads takes several minutes. When the process is complete, the all-in-one
prints two pages that contain cleaning patterns.
Note Clean the printheads only when necessary. Cleaning the printheads when defects do not occur
in printed text or graphics wastes ink and shortens the life of the printheads.