Canon MX720 Series, Online Manual, Page: 102 / 248

Printing the Nozzle Check Pattern
Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle.
Note
If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the ink
tank whose ink is low.
Replacing an Ink Tank
You need to prepare: a sheet of A4 or Letter-sized plain paper
1. Make sure that the power is turned on.
2. Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in
the cassette (lower).
3. Open the paper output tray.
(1) Holding both sides of the paper output tray, gently open it.
The output tray extension will open automatically when the paper output tray is opened.
(2) Extend the paper output support.
4. Print the nozzle check pattern.
(1) Press the MENU button.
(2) Select Setup , then press the OK button.
LCD and Operation Panel
The setup menu screen will appear.
(3) Select Maintenance , then press the OK button.
The Maintenance screen will appear.
(4) Select Print nozzle check pattern , then press the OK button.
The confirmation screen will appear.
(5) Select Yes , then press the OK button.
The nozzle check pattern will be printed and two pattern confirmation screens will appear on the
LCD.
5. Examine the nozzle check pattern.
Examining the Nozzle Check Pattern