This is assuredly an unusual service advisory notice that was just dropped by Canon USA: Some Canon EOS 5D may simply loose their mirror if its glue stops sticking enough. This can happen during operation. I wouldn’t like to hear the sound and see the consequences…
Ok! The repair will be free of charge (at least in the US, I don’t know for Europe yet). They will add a small fixation on the mirror to avoid any risk.
Dang! It’s better to know it now if nothing happened yet. But I guess that Canon already observed this on some cameras. Not the latest SLR camera on the market, but it’s better to know and correct now, than discovering it later, the hard way.
Canon USA Service Notice: EOS 5D: Main Mirror Detachment
Thank you for using Canon products.
We have discovered that, in rare instances, the main mirror of some EOS 5D Digital SLR cameras may detach due to deterioration in the strength of the adhesive. Accordingly, we would like to convey the details and our service policy concerning this phenomenon.
We offer our sincerest apologies to those customers who have been inconvenienced by this issue. Canon always strives to provide the highest quality products to our customers and we will 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 main mirror of the camera detaches and images cannot be viewed through the viewfinder.
Affected products
EOS 5D Digital SLR cameras whose main mirror has detached.
User Support
We will repair and reinforce the mirror portion of the affected products free of charge. If you own one of the affected products, please contact our Customer Support Center.
We appreciate your patience, and we offer our sincerest apologies to the customers using these products who have been inconvenienced by this issue.
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.
Contact Information for Inquiries
Customer Support Center
1-866-422-2965 (toll free)
8:00 a.m. – Midnight, EST (M-F)
10:00 a.m. – 8:00 p.m., EST (Sat.)
Email: carecenter@cits.canon.com