Solution:

Do not use the following types of paper. Using such paper will not only produce unsatisfactory results, but can also cause the printer to jam or malfunction.

• Folded, curled, or wrinkled paper
• Damp paper
• Paper that is too thin

Rear Tray: Less than 17 lb / 64 gsm
Front Tray: Less than 4 mil / 0.1 mm

• Paper that is too thick

Rear Tray: More than 28 lb / 105 gsm (plain paper except for Canon genuine paper)
* However, you can use non-Canon genuine art paper that is up to 53 lb / 200 gsm.
See Non-Canon genuine specialty paper .
Front Tray: More than 47 mil / 1.2 mm

• Paper thinner than a postcard, including plain paper or notepad paper cut to a small size (when printing on A5 or smaller sized paper)
• Picture postcards
• Postcards affixed with photos or stickers
• Envelopes
• Any type of paper with holes
• Paper that is not rectangular
• Paper bound with staples or glue
• Paper with adhesives
• Paper decorated with glitter, etc.
• Do not use the following types of Canon genuine paper.Photo Paper Pro II PR-201, Glossy Photo Paper "Everyday Use" GP-501, Photo Paper Glossy GP-502, High Resolution Paper HR-101N, and T-Shirt Transfers TR-301