Canon PIXMA G5020 Wireless MegaTank Printer - Manual (Page 283)

Paper Settings
By registering the paper size and the media type loaded on the rear tray or in the cassette, you can prevent
the printer from misprinting by displaying the message before printing starts when the paper size or the
media type of the loaded paper differs from the print settings.
Note
• The default setting is different between when you print from Smartphone/tablet, when you print from
Windows, and when you print from macOS.
Default Setting for Displaying the Message which Prevents Misprinting
After loading paper:
• When you close the feed slot cover:
The screen to register the rear tray paper information is displayed.
Register the paper size and the media type according to the loaded paper.
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