Canon PIXMA iP3500 Series Quick Start Manual page 39

(6) Confirm the displayed message and click Print Check Pattern.
The nozzle check pattern is printed.
Do not perform any other operations until the nozzle check pattern finishes printing.
Note
The nozzle check pattern will not be printed correctly if there is not enough ink. Replace the ink
tank if the remaining amount of ink is insufficient.
See "Replacing an Ink Tank" on page 23.
5
Check the print head condition with the printed nozzle check pattern, and take
appropriate action.
See "Examining the Nozzle Check Pattern" on page 32.
Note
If the problem is not resolved after performing steps 4 and 5 twice, try Print Head Deep Cleaning.
See "Print Head Deep Cleaning" on page 36.
Routine Maintenance 35