HP H611A User Manual Page 71

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Clean the printhead
If your printed output is streaked or has any incorrect or missing colors, the printhead
might need to be cleaned.
There are two stages of cleaning. Each stage lasts about two minutes, uses one sheet
of paper, and uses an increasing amount of ink. After each stage, review the quality of
the printed page. You should only initiate the next phase of cleaning if the print quality
is poor.
If print quality still seems poor after you complete both stages of cleaning, try aligning
the printer. If print quality problems persist after cleaning and aligning, contact HP
support. For more information, see
HP support.
NOTE: Cleaning uses ink, so clean the printheads only when necessary. The
cleaning process takes a few minutes. Some noise might be generated in the
process. Before cleaning the printheads, make sure you load paper. For more
information, see
Load media.
Not turning the printer off correctly can cause print quality problems. For more
information, see
Turn the printer off.
To clean the printhead from the printer control panel
1.
On the printer control panel, press and hold
(Power) button.
2.
Press
(Cancel) button two times, and then press (Resume) button once.
3.
Release
(Power) button.
To clean the printhead from Toolbox (Windows)
1. Open Toolbox. For more information, see
Toolbox (Windows).
2. From the Device Services tab, click the icon to the left of Clean Printheads.
3. Follow the onscreen instructions.
To clean the printhead from HP Utility (Mac OS X)
1. Open HP Utility. For more information, see
HP Utility (Mac OS X).
2. In the Information And Support section, click Clean Printheads.
3. Click Clean, and then follow the onscreen instructions.
To clean the printhead from the embedded web server (EWS)
1. Open the EWS. For more information, see
To open the embedded web server.
2. Click the Tools tab, and then click Print Quality Toolbox in the Utilities section.
3. Click Clean Printhead and follow the onscreen instructions.
Align the printhead
The printer automatically aligns the printhead during the initial setup.
You might want to use this feature when the printer status page shows streaking or
white lines through any of the blocks of color or if you are having print quality issues
with your printouts.
Printhead maintenance 67
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