Canon S900 - Manual (Page 78)

Printhead Cleaning 78
Routine Maintenance
Macintosh
1
Ensure that the printer is on.
2
Open the Page Setup dialog box.
The Page Setup dialog box can normally be opened by selecting Page
Setup in the File menu.
3
Click Utilities to open the Printer Utility dialog box.
4
Select Cleaning from the drop-down menu, then click the Cleaning icon.
5
When the confirmation message appears, click OK.
Note
➤
If the problem remains even after you repeat printhead cleaning three
times, perform a deep printhead cleaning.