paper jams on pixma MP640 especially 5x7

[Mel]

Recent malfunction. When I try to print using 5x7 paper I get paper jam message and paper is ejected.After several tries I can get a print.

Any help !  Mel

[Mod note: Email address removed to protect your privacy]

[Michael]

Hello.

If the paper jam error continues to persist, we would have to advise that you contact our support group.

Please visit the following link below to contact our support group for additional assistance.

http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer