Question about Canon EOS 40D Digital Camera

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Flash does not operate on my canon 40D

In built flash does not operate

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  • ian johnston Oct 28, 2012

    the flash does not pop up - that is the main problem

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  • Expert
  • 105 Answers

If you can change the light bulb else buy a new flash

Posted on Oct 28, 2012

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Flash doesn't work

I found the answer and fixed my flash. Look on http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00ODWf

This will describe how, if you have been using a speedlite alot, than the little tab under the shutter release side of the hot shoe can get bent down thus constantly pressing down (toward the bottom of the camera) the small button which deactivates the pop-up1.gif flash even when the speedlite is not attached. Just bend the tab up a little with a jewler's screwdriver, turn the camera off and on and voila!! Fixed!!! Dan describes pushing the tab down, but on the xti, the tab needs to be bent up to release the flash deactivation switch and fix the problem. Thanks to Dan D on photonet for saving me a service call.

Posted on Feb 19, 2008

  • 81 Answers

SOURCE: Canon XTi built in flash

With the flash in the up position and looking at the flash housing, there should be a small, metal hook. Make sure it's not bent or distorted. I should be straight and spring loaded all the way towards the front of the body. Check for freedom of movement also.

Posted on Sep 01, 2008

mvititoe
  • 14 Answers

SOURCE: Canon 40D LCD Wont come on buSY flashes in view finder

Okay, this is simple. Your camera can take several pictures at one time in a burst. However when you release the shutter button your processor takes a second to actually SAVE the pictures to the card in the camera. One thing than has helped me in my wedding photography business is to buy the fastest speed cards I can find. It significantly reduced my "busy" time.

Posted on Dec 31, 2008

  • 155 Answers

SOURCE: Canon 450D, ERROR 99 only when flash pops up

Err 99 usually means your lens contacts are dirty either on the lens itself or on the camera.

To isolate the cause of the issue, do the following: -
1. Turn off the camera.
2. Remove the lens, battery, and CF card.
3. Allow the camera to sit without power for approximately 20 minutes.
4. Insert only a fully charged battery, and turn on the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, the camera may be faulty and requires a service. If it does not, then: -
1. Turn off the camera.
2. Insert the CF card.
3. Turn on the camera.
4. Format the CF card in the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, then the CF card is faulty. Try a different card. If the message does not appear: -
1. Turn off the camera.
2. Clean the gold contacts on the lens by GENTLY rubbing them with a pencil eraser or soft cloth. Keeping the camera face pointing down, also clean the gold contacts on the camera, being careful that you do not let any debris fall into the camera body.
3. Reattach your lens.
4. Turn on the camera.
5. Depress the shutter button as you would to take a picture.

If the “ERR 99" message only appears when one particular lens is attached, then that lens should be examined by a service technician.
If you see the “ERR 99" with a different Canon lens attached, then the camera is faulty and should be serviced.

Posted on Apr 09, 2009

  • 1 Answer

SOURCE: The built-in flash on my Canon EOS 450D camera won't pop-up

Had the same issue and just tried this....and it worls [PS dont use the littel plastic hotshoe cover as this keeps the microswitch depressed]


Originally Posted by Tdragone viewpost.gif
If you manually 'help' the flash to open and it doesn't pop; the microswitch under the rails of your hotshoe is probably stuck in the down position as mine was. I used a toothpick top pop it up and it works now!

Posted on Aug 27, 2009

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1 Answer

Built in flash will not pop up


Check if it'ts not obstructed somewhere. You can try and carefullt pry a piece of paper inbetween the flash and camera housing to see whats going on.

Jan 23, 2014 | Canon EOS 40D Digital Camera

1 Answer

I have a Canon EOS 40D camera. We are having problems with using an external flash. The pictures always come out extremely dark with the external flash. The flash seems to work fine, it flashes...


I don't know if this will help and this post is two months old. The camera store may be right that the synchronization is the issue which tends me to point a finger at the external flash. There are at least three different flash units that will flash when the picture is made but only one type will sync with the camera. A digital flash unit is different from a film flash so a Canon EX type is required to sync with Canon TTL or TTL II digital cameras. An EZ will flash but it's off a bit, so I can only assume that your Promaster and Canon flash units are for film cameras. Okay and another thing that could be throwing things off a bit is the camera may have been programed in Custom Functions to use "Second Curtain" or "Rear Curtain". Just seams to me if the built in flash works then it's the external units at fault.

Oct 17, 2010 | Canon EOS 40D Digital Camera

1 Answer

How do i switch off flash in canon eos 400d? I do not want to use the flash but it pops up automatically in every mode.


Your camera has a built-in flash and it will pop up automatically in low light or backlit conditions if you are in Basic Zone.
All you have to do is push it back down.

If you set your camera option to P, only the shutter speed and aperture are set. You can then change settings for your flash and other functions.

Oct 25, 2009 | Canon EOS 40D Digital Camera

3 Answers

Internal Flash not working-Canon Eos 40D


I've had this happen to me too and I've been researching about it. Aparantly it happens because the camera still think the external flash is attached. If you go into the menu and under flash control, try ot enter the settings for built in flash. If this is the problem it will tell you here that the external flash is still attached. From what I have read to far, I'm not sure how to fix it. I would reccomend taking it in somehwere. I dont htink its a hard problem to fix.

Dec 06, 2008 | Canon EOS 40D Digital Camera

1 Answer

Remote Firing of Flash Units


The EOS 40D does not have a transmitter built in. The remote flash units must be set to "Slave" and the on-camera external flash unit (eg Speedlite 580EX) or transmitter (ST-E2) set to "Master". Note that the Speedlite 430EX doesn't have the function to act as Master and you need a minimum or the 580EX or a ST-E2 speedlite transmitter (or similar) as Master/s.

Jul 29, 2008 | Canon EOS 40D Digital Camera

1 Answer

Canon 40D


Hey D1ppy,
There are two ways to get rid of shadows behind a subject, but both require you to use a hotshoe mounted flash. The first way is to bounce the light off a ceiling or some other white surface by turning the flash head towards that surface instead of your subject. The second way would be to connect the flash to the camera using a off camera flash cord and hold the flash above your head when your taking the picture, and by doing this you are able to aim where the shadows show up in the image. Bounced flash is what is called soft light and generally is more pleasing light. I of course am assuming the shadows are caused by the built in flash on the camera. I hope this helps!

Sincerely,
Allan
Go Ahead. Use Us.

May 30, 2008 | Canon EOS 40D Digital Camera

1 Answer

Exposure problem


Your 40D requires that you use an ETTL-II type flash like the Canon 380-EX. What flash are you using?

Mar 25, 2008 | Canon EOS 40D Digital Camera

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