Using the scan functions 5-1, Maintenance 6-1, Troubleshooting 7-1 – Canon imageCLASS D550 User Manual
Page 6: Registering/setting the various functions 8-1, Appendix 9-1

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Basic Operation Methods for Scanning
Precautions When Cleaning the Machine
About the Supplied Toner Cartridge
About Replacement Toner Cartridge
Before Replacing the Toner Cartridge
Precautions when Replacing Toner Cartridge
CANADA PROGRAM-CANADA PROGRAMME
Precautions when Transporting the Machine
Has the power switch been just turned ON?
Is the Error indicator on or blinking?
Does a message appear on the display?
The Toner Does Not Fix onto the Paper Well
The Printed Paper Has Vertical Streaks
Smudge Marks of Spattering Toner Appear around the Text or
The Overall Print Result Is Dark
Copied Lines and Text Appear Faded
Printed Bar Codes Cannot Be Scanned
Paper Jams Occur Frequently When Performing
Displaying Driver Guides (PDF Files)
Displaying a Driver’s Help System