To contact Canon technical support by phone, for most products, call 800-OK-CANON or 800-652-2666, as of 2015. Technical support for the company's Cinema EOS products can be reached by dialing 855-246-3367, and those needing help with broadcast and studio lenses can call 800-423-5367.Continue Reading
Those who prefer a written record of a support inquiry can reach the company through email.
Navigate to the Canon home page. On the left side of the page, click the Contact Us tab.
Click on the Product Support by Email option. A new window will open. Please note that email support is only available to U.S. customers.
Fill in everything with an asterisk. Be sure to provide as much detail about the problem as possible and fill in any troubleshooting steps already taken.
When finished with the form, click on the Submit button at the bottom of the screen.