Canon PIXMA iX6850 - Manual (Page 229)

Maintenance of this Printer
Cleaning the Print Heads from Your Computer
Cleaning Inside the Printer
Cleaning the Paper Feed Rollers from Your Computer
Use Your Computer to Print a Nozzle Check Pattern
Aligning the Print Head Position from Your Computer
Checking the Ink Status from Your Computer
Managing the Printer Power
Reducing the Printer Noise
Changing the Printer Operation Mode
229