Having problems with your Canon EOS 40D Digital Camera ?

My canon 40d with external qflash does not fire flash consistently or acurately


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Repair Help & Product Troubleshooting for Canon EOS 40D Digital Camera

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My canon 40d with external qflash does not fire flash consistently or acurately


... Canon EOS 40D Digital Camera

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 brightly. The pictures look fine using the built in flash. The flash is a Promaster but we tried a Canon flash and it did the same thing. The camera store we bought the camera and the flash from says it looks like a synchronization issue and that it is a hardware problem with the boot. Their sugges


I don't know if this will help and this post is two months old. The \015\012camera store may be right that the synchronization is the issue which \015\012tends me to point a finger at the external flash. There are at least \015\012three different fla ... Canon EOS 40D Digital Camera

External flash is not firing - Canon EOS 40D Digital Camera


... Canon EOS 40D Digital Camera

Have a Canon 40D. After using a external flash, the internal flash is not popping up. It still thinks the external flash is there. What do I do to reset this?


The little pin on the hotshoe can stick if you use an extenal flash, just poke it with a screw driver to free it ... Canon EOS 40D Digital Camera

Canon 300d flash won't fire. Pops up ok but display just reads "busy" and camera locks up. Must turn on/off to get camera working. External flash works ok.


This may sound obvious, but have you tried to make surer the battery is fully charged and then see'ing if it still does this? The reason I suggest this is that I had a similar problem and when I fully charged the battery this problem went away. I te ... Canon Digital Rebel / EOS-300D Digital Camera with EF-S 18-55mm Lens

Exposure problem I have just purchased a Canon 40D. When shooting in Manual mode with an external flash, (photogenic) my exposure always looks correct thru the lcd but it always flashes -2 no matter what setting I have the camera on. What am I missing? I am relying on the camera's reading as my light meter is broken.


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

Metz 45CL-4 not firing consistently... Hi, Have a problem with a Metz 45CL-4 flashgun. I may have damaged the circuit by rapid charging from an external NiMh pack whilst trying to form the main capacitor. Have done this previously, with this and other Metz 45s and it's always been OK. I normally get a full charge in about 2.5 seconds only now I have a problem firing the flash. Have reverted to testing with 6 good alkaline AA batteries (reading 9.06v on pack) but problem persists. Symptoms: - Loo


Hi Guys!\015\012I have had the same problem on CT-1 s and CT-5s.\015\012In both cases the flash cable (called PC synch cable) was to blame. If flash fires correctly with the test button on the handle, then cleaning the cable contacts with ... Digital Cameras

Canon 580EX II Flash is not firing??


... Canon Speedlite 580EX II Flash

Camera does not fire external flash


Also be certain that the flash is screwed onto the shoe as tightly as possible. ... Canon Rebel XT / EOS 350D Digital Camera

Shutter will fire intermitantly on Canon 40D. It focuses but will not fire but if pressed repeatedly it will fire after several shutter presses. I have changed batteries, I have swapped to other lenses (including a Canon lens) but still have the problem. Any suggestions or does this go back to Canon ? : (


A Canon camera mechanic told me that on the 40D this is caused by the rubber part under the shutter button not springing back quickly enough, at least that was how he described it. It's a simple matter for a camera tech to fit a new one. I go to Whil ... Canon EOS 40D Body Only Digital Camera

My flash quit working on my canon EOS 500D on every mode, when I go to flash control in the menu and click on built-in flash func. settings it says ... this menu canot be displayed. external flash is attached, but there isn't an external flash attached?


This camera is only one model period old, is it still under warranty? If so take it in for service. I'm including a diagram of the manual release button on the side of the camera for the flash. Try pressing this button to see if it pops up. If not th ... Canon EOS 500D / Digital Rebel T1i Digital Camera

My camera is a Canon 400D. I put an external flash on it just few moments ago (canon speedlite 580EXII) and the flash wouldn't go off when i took pictures. So i took the flash off, but now the flash on the camera won't go. Can anyone help me?


Hi Chrissy,\015\012I had observed the same problem - after an external flash had been removed from the camera, internal flash didn't pop up. Tried to look at the Google and finally found the solution. It helped me and could help you as well: ... Canon EOS 400D / Rebel XTi Digital Camera

Canon T3i thinks that there is an external flash attached and will not allow use of the built in pop up flash. I have tried putting on the external flash and turning it off while it is on the camera and literally every combination of the sort to try and see if I can get the camera to realize that the flash is no longer there. Please help....


There is a pin in the hot shoe that operates the external flash switch on the bottom of the top cover. It is probably stuck down - maybe by sticky liquid spillage. Clean with a toothbrush and windex and see if it will then pop up. ... Canon EOS 600D Rebel T3i Digital Camera

I bought my new canon eos 60D..i put on external flsah to use..then after i take off the external flash, my camera's built in flash cannot pop up to take flash even i had press the flash button. How?


Hi, What external flash did you use on your Canon 60D? The internal flash will not automatically pop up if in the "Creative Zone" it will pop up with the button in the creative zones (M, AV, TV and P) it will not pop up with the button if you are in ... Canon EOS 60D Digital Camera

After I have detached my external flash (Nissin Digital Speedlite Di622), my Canon EOS 60D does not recognize the fact that the external flash is already detached. Thus, this does not allow the built-in flash to pop out when needed. I have tried turning the power off and on again. The problem persists.


After I have detached my external flash (Nissin Digital Speedlite Di622), my Canon EOS 60D does not recognize the fact that the external flash is already detached. Thus, this does not allow the built-in flash to pop out when needed. ... Canon EOS 60D Digital Camera

Internal Flash not working-Canon Eos 40D


I have Canon EOS 40D Camera and the internal flash doesn't work anymore ... Canon EOS 40D Digital Camera

Flash does not work on my canon 40D


... Digital Cameras

I have a canon rebel xti with an 18 to 55 lens .. I recently bought an external flash to sit in the hot shoe .. now when I removed the flash from the hot shoe .. the cameras own flash will not pop up and work... I can manually pop the flash but it still will not work..  I thought that when I bought the flash at the camera store the sales person turned off something on the camera for the new flash to work.. is there something I need to change in the menus to get the cameras own flash to work.....


I had the same problem. \015\012Look closely at the hotshoe. Inside it, way over to the side, under one of the tabs on the side, is a tiny metal strip. When you attach an external flash, the strip is pushed down and holds down a tiny button ... Canon EOS 400D / Rebel XTi Digital Camera with 18-55mm Lens

Flash How can I force the Canon S3IS built in flash to fire every time I take a photo? When I have backlight it will not fire in the auto mode. My old Kodak digital had an easily set option but I can't work out how to do it this camera. Thanks


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Canon 40d flashing busy - Canon EOS 40D Digital Camera


... Canon EOS 40D Digital Camera

Flash Problem Rebel XT flash icon shows next to "busy" in the view finder when I press the shutter button. If I attempt to take the photo the flash does not work. If I continue to hold the shutter half way down, then release it I get Err 99. I am using genuine Canon lens' and have tried all three. I also connected my 420EX external flash and it also does not flash. Any suggestions are deeply appreciated. Thanks


Hey tombston,\015\012 An error code of 99 is Canons general error code for this camera, and they suggest cleaning the lens contacts and/or removing the battery and then reinserting it. If this doesn’t work I wou ... Canon Rebel XT / EOS 350D Digital Camera

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Is it trying to pop the flash and making noise, or is there no noise at all?\015\012If it's audibly trying and it won't pop up, it's stuck and something is blocking it. May need to send it in.\015\012If there is no sound, then something ... Canon EOS 400D / Rebel XTi Digital Camera with 18-55mm Lens

Canon G9 Flash not firing and not able to find flash on the menu


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Flash will not fire on Canon SD780 IS Elph


The flash circuit is defective. As it's only a couple weeks old, recommend just exchanging it for another from your place of purchase. You shouldn't be attempting repair while its under warranty. ... Canon PowerShot SD700 IS Digital ELPH / IXUS 800 Digital Camera

Just bought my Canon 600D slr today. I am a beginner, but playing with it tonight I have found it makes an electrical Zap noise just after focusing, around the flash area. I am using the built in flash only not any external flash. Thanks Jason


I have the same problem with my 600D. Any idea if canon replaces it or is there a firmware fix? ... Digital Cameras
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