Product Advisories - Speedlite 600EX-RT
To arrange to have an affected unit inspected and serviced for this phenomenon at no cost, please contact Canon using the information below.
This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region.
Thank you for using Canon products.
Customer Support Operations
Canon U.S.A., Inc
Contact Information for Inquiries
Canon Customer Support Center
For additional support options: usa.canon.com/support