Canon imagePROGRAF iPF510 - Manual (Page 260)

Choosing Paper for Printing
Specifying Paper in the Printer Driver (Mac OS 9)
If you have replaced the paper, you must complete the following settings in the printer driver.
1.
Select the printer in Chooser.
2. Choose Page Setup from the application menu to display the Page Attribute dialog box.
3.
Choose the original size in the A Page Size list.
4. Click I OK to close the dialog box.
5.
Choose Print in the application menu.
6. Make sure the Main pane is displayed.
7. In the C Media Type list, select the type of paper that is loaded.
246 Enhanced Printing Options