See Opening The Printer Driver Setup Window (Windows - Canon Pro9500 Mark II Series On-Screen Manual

Cleaning the Print Head Deeply
> Routine Maintenance
Contents
Deeply
Cleaning the Print Head Deeply
If print quality does not improve by the standard cleaning of the Print Head, clean the Print Head deeply.
Cleaning the Print Head deeply consumes more ink than the standard cleaning of the Print Head, so
clean the Print Head deeply only when necessary.
You need to prepare: a sheet of A4 or Letter-sized plain paper
1.
Make sure that the power is turned on.
2.
Load a sheet of A4 or Letter-sized plain paper in the Rear Tray.
Important
You cannot feed paper from the Front Tray for printing the nozzle check pattern. Load paper in
the Rear Tray.
3.
Open the Front Tray gently, and pull out the Front Tray Extension.
Gently press the upper center of the Front Tray to open it.
Important
If the Inner Cover is open, close it.
4.
Open the printer driver setup window.
See Opening the Printer Driver Setup Window (Windows)
5.
Clean the Print Head deeply.
Click the Maintenance tab.
(1)
Click Deep Cleaning.
(2)
Select the ink group to clean deeply.
(3)
Note
If there are horizontal white streaks in the nozzle check pattern of MBK, PBK, GY, PC, or
>
When Printing Becomes Faint or Colors Are Incorrect
.
Advanced Guide Troubleshooting
> Cleaning the Print Head
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