Chapter 3
Control panel
1.Press and hold down 
(Power button).
2.While holding down the button, do one of the following. Perform the next level of cleaning only if results from the previous level are not satisfactory.
a. For level 1 cleaning: Press 
(Cancel button) twice.
b. For level 2 cleaning: Press 
(Cancel button) twice and 
(Resume button) once.
c. For level 3 cleaning: Press 
(Cancel button) twice and 
(Resume button) twice.
3.Release 
(Power button).
The printer begins the cleaning process.
Toolbox (Windows)
1.Open Toolbox. For more information, see Toolbox (Windows).
2.Click the Services tab, click Clean the Print Cartridges, and then follow the onscreen instructions.
HP Utility (Mac OS X)
1.Open HP Utility. For more information, see HP Utility (Mac OS X).
2.Click Clean and follow the onscreen instructions.
38 Work with ink cartridges