Canon PIXMA iX6850 - Manual (Page 239)

Troubleshooting
The Printer Cannot Be Powered On
Printing Does Not Start
Paper Does Not Feed Properly/"No Paper" Error Occurs
Print Results Not Satisfactory
Ink Is Not Ejected
Paper Jams
If an Error Occurs
Search Each Function
Problems with Network Communication
Problems with Printing
Problems with Printing Quality
Problems with the Printer
Problems with Installation/Downloading
About Errors/Messages Displayed
If You Cannot Resolve the Problem
239