EF 200-400mm f/4L IS USM Extender 1.4x

Product Advisories

Use of a refilled ink tank may cause a reduction in print speed when printing multi-page documents. The printing speed will recover once you remove and reset the ink tank in the printer.


Contact Information for Inquiries

Canon U.S.A., Inc.
Customer Support Center
Phone: 1-800-OK-CANON (toll free)
TTD: 1-866-251-3752 (toll free)
Email: carecenter@cits.canon.com
Support options and hours of operation: www.usa.canon.com/support