Canon i 850 - Manual (Page 81)

Print Head Deep Cleaning 81
Routine Maintenance
Macintosh
1
Ensure 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 the Utilities button to open the Printer Utility dialog box.
4
Select Cleaning from the pull-down menu, and then click the Deep
Cleaning icon.
5
Select the ink nozzles to be cleaned, and click OK.
All Colors: All nozzles
Black: Black ink nozzles
Color: Color ink nozzles
Now the POWER lamp starts flashing and print head deep cleaning begins. The process
takes one or two minutes to complete, so simply wait until the POWER lamp stops flashing.