Canon PIXMA iP6000D Quick Start Manual page 50

Printing Maintenance
Click Cleaning Cleaning in the Pattern Check Cleaning Cleaning
See "Print Head Cleaning Print Head Cleaning" on page 49. Print Head Cleaning Print Head Cleaning
If the patterns have no white stripes, click Exit
48
Pattern Check Pattern Check dialog box to start the print head cleaning. Pattern Check
Exit or Quit Exit Exit Quit. Nozzle check pattern finishes. Quit Quit