Abnormal Mirror Operation (Err 99)

To Owners of the EOS-1D Mark III and EOS-1Ds Mark III Digital SLR Cameras

Thank you for using Canon products.

We have discovered that abnormal mirror operation occurs in some EOS-1D Mark III and EOS-1Ds Mark III digital SLR cameras. Accordingly, we would like to provide information about the details of this issue and how it can be resolved.

We offer our sincerest apologies to customers using these products who have been inconvenienced by this issue. Canon always strives to provide the highest quality products to our customers, and we spare no effort in our quality management to make sure our customers can use our products with confidence. We hope our efforts will earn your understanding.

Phenomenon

The mirror does not operate even if the shutter button is pressed, and the following message appears frequently on the camera’s LCD monitor.

Err 99 Shooting is not possible. Turn the power switch to <OFF> and <ON> again or re-install the battery,
Affected Products

EOS-1D Mark III and EOS-1Ds Mark III digital SLR cameras

Support

Free repairs will be provided to affected products. Please contact our service center if own an affected product and wish to arrange for service.

Firmware Update

Firmware that further specifies error indications based on the details of detected errors is now available.  The error indications are specified based on the causes of errors so that adequate support can be provided to customers.

For details about the specified error indications and procedures to download the firmware, please go to the following Web sites.

● EOS-1D Mark III Firmware Update Version 1.2.5

● EOS-1Ds Mark III Firmware Update Version 1.1.4