Canon PIXMA iP90 Quick Start Manual page 54

Printing Maintenance
3
Start Print Head Cleaning.
Print Head cleaning starts when the POWER lamp starts blinking.
Important Do not perform any other operations until the Print Head cleaning
50
finishes. This takes about 60 seconds.
(1)
Select Cleaning from the
pop-up menu.
(2)
Click Cleaning.
(3) Select the Print Head to be
cleaned, and then click OK.
Click the Initial Check
Note
Items button.
Confirmation
message for Print
Head Cleaning is
displayed.