Please see the changes to the “Identification Procedure” section below regarding criteria for affected serial numbers. The identification method has been enhanced to include the first digit in the identification procedure in order to more precisely identify affected products.

Thank you for using Canon products.

This notice is to proactively inform our customers of the details of the phenomena described below along with Canon’s support actions. Because we value the trust our customers have placed in us, we are dedicated to continuously improving product quality and delivering industry-leading service and support. We offer our sincerest apologies to any customer who may be inconvenienced.

In some units of the models listed below, there is a possibility that the following phenomena may occur due to wear caused by insufficient lubrication within the camera’s driving mechanism. 

1.  AF searches but does not lock in on the subject.   (Caused by minute particles produced by wear mentioned above.)
2.  The image shown in the viewfinder is “blurry” or “not steady”.  (Occurs if wear progresses.)

EOS-1D X Digital SLR Camera
EOS-1D C Cinema EOS Camera

Potentially Affected Products
The phenomena described above may occur in cameras whose first and sixth digits of the serial number are as set forth below.

Identification Procedure:
Serial Number: [XnnnnNnnnnnn] 
    1. EOS-1D X: “X” is “0 or 1” and “N” is “1-7”, the phenomena described above may occur.
    2. EOS-1D C: “X” is “0” and “N” is “1”, the phenomena described above may occur. 
   “n” represents any digit.

    NOTE: If the camera’s battery compartment contains one of the markings illustrated below, the camera is NOT affected by the 
    phenomena described above even if the first and sixth digits of the serial number are of the numbers mentioned above.
 

    Markings of UNAFFECTED cameras

                  An "A" mark                                         A black mark on the silver bracket