Canon imageCLASS D1650 All-in-One Monochrome Laser Printer - Manual (Page 132)

Allows you to copy multiple passports onto one sheet.
Making Passport Copies(P. 208)
Press to view operation guidance and error causes/solutions.
Shortcut buttons
Display "Favorite Settings" that are registered to Copy, Fax, and
Scan. Adding Buttons to the Home Screen(P. 166)
You can configure settings for toner replenishment service. Use
of the toner replenishment service requires prior registration
with select retailers. This service is only available in certain
countries/regions and for certain models.
LINKS
Customizing the Home Screen(P. 166)
Basic Operations
124