How to Print Double-Sided on a Windows PC or Mac Computer
Print double-sided Adobe Acrobat, Reader
Canon Knowledge Base - Copy or Scan on Both Sides - PIXMA TR8620
How to Copy Duplex (2 sided copying)
Print double-sided Adobe Acrobat, Reader
Canon Knowledge Base - Manual Duplex Printing (Windows)
Difference Between Mirror Image and Double-Sided Flags - Selby's
Make a two-sided copy. (Duplex)
Making a two-sided copy on a Brother MFC-J870DW
What is Duplex Printing?, Printer Ink Cartridges