Canon LBP7210Cdn Manual page 182

NOTE
For details on the settings
See Help.
"How to Use Help"
Confirm the settings, then click [OK].
The [Print] dialog box reappears.
NOTE
About the settings
It is recommended that you check the [Page Setup] sheet and [Paper Source] sheet
settings each time you print a document.
The settings that are specified here apply only to jobs to be printed from the same
application. Exiting the application resets the changed settings to the default
settings.
For details on the procedure for changing the default values for printing
preferences, see
Click [OK].
The printer starts printing.
NOTE
If the printer cannot print properly
"Printing Does Not Work"
"Changing the Default Values for Printing Preferences".