Question about Canon EOS 40D Digital Camera

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Camera shuts down after shutter button is pressed. It shuts down halfway through the shutter operation. Everything else works fine-reviewing pictures, settings in menu, focusing, exposure settings etc. The camera focuses ok when the shutter button is half pressed then when you press the shutter button fully, the mirror goes up, shutter appears to open then the camera shuts down with no power. Only way to get mirror etc back to normal is to remove the battery and refit. When camera is turned back on the mirror resets ok until next time I press the shutter button fully. This has never happened before and now happens every single time. Its gone from fully operational one day to unusable the next. The direct print button also flashes blue when the camera is in its shutdown state. I hope you can help!

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: camera will not take picture, givingme err msg and shutting off

I just found out that it's a known CCD problem with some Canon models. And you can get it fixed for free: http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=221&modelid=8288&keycode=2112&id=29819

Posted on Apr 08, 2007

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SOURCE: nikon d40 autofocus

Out of the box, I couldn't get a center focus shot. Out of desperation I reset the camera (push info and magnify buttons at the same time). That solved the problem.

Posted on Mar 12, 2008

old marine
  • 1991 Answers

SOURCE: Focusing Still Photos with SD870 IS

If you check page 45 in the manual, you'll see that the orange light during the half press indicates that the flash is turned on. A single beep means that the camera is having difficulty getting a "focus lock" (usually when shooting in low light conditions). See page 100 of the manual for suggestions on how to improve the chances for getting a well-focused picture.

Posted on May 01, 2008

  • 203 Answers

SOURCE: cybershot H7 focus problem

Things to check before you assume it is a mechanical issue-you can get vibration message if flash is disabled, be sure also that the macro mode is not enabled-this is very common on sony cameras to turn on by accident-flower button on camera will put in close up mode and you will get blur make sure no flower is present on lcd screen-if in macro press button on camera w/flower to turn off-also in menu you have continuous and monitor auto focus settings try changing one or the other and see what happens

Posted on May 09, 2008

jcdill
  • 121 Answers

SOURCE: Canon Rbl XT out of focus in viewfndr when shutter half way down

Hello,
It's possible that the reason the "pictures turn out fairly good" is that your f-stop is set high enough that even though the image isn't properly focused, you have enough depth-of-field to bring your subject into "near focus". Does your lens try to focus back and forth when you half-press the shutter? If not, double check that the lens is in autofocus and not manual focus. You can also try cleaning the contacts between the lens and camera. Take the lens off, and then one-at-a-time clean the contacts on both the lens and the camera, using a clean pencil eraser. Gently rub the contacts. Be sure to hold the item upside down so that the eraser debris falls on to the table, not into the camera body or lens!

If none of this helps the autofocus may have become damaged and you need to have the lens and camera looked at by Canon Repair.

Posted on Jan 11, 2009

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hello sir!!

first try to give it a soft reset.

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if its not solving ur prob tell me so i can help u further i am a professional cam repairman!!

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