To print a self-test page on a Canon printer, you can follow these steps:
Turn on your Canon printer
Press the "Menu" button on your printer
Use the arrow keys to navigate to the "Maintenance" menu, then press "OK."
Use the arrow keys to navigate to the "Self Test/Print" option, then press "OK."
Select "Yes" to confirm that you want to print a self-test page.
Wait for the printer to print the self-test page.
Note that the exact steps may vary depending on the model of your Canon printer, but most Canon printers should have a similar process for printing a self-test page.