Question about Canon Speedlite 220EX TTL Flash

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Flash fires but the image is dark. Tried the flash on two Canon cameras, same problem with both.

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Check the flash sync speed on the cameras. With most film cameras, the flash sync speed is 1/60 of a second.

With digital cameras, you must use a flash rated for the digital camera and use their recommended flash speed.

If the camera to flash sync speed is correct it is possible that the flash output is weak. This would be due to the battery not being able to properly supply, or some defective components in the flash circuits.

You will require a flash sync detector, a flash intensity meter, and a battery load tester to perform the the first level of basic tests if you wish to analyse the fault yourself.

This is not a problem you could service yourself, unless you are experienced and knowledgeable for servicing flashes.

These flash units use very high voltage at a very high current when operating. The current is built up and stored in a very efficient high voltage capacitor. A flash can be dangerous to service yourself.


Jerry G.

Posted on Sep 25, 2009

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Very little to go on, but in every camera you can switch off the possibility to flash. How to switch it on must be very easy, because it is always in the top menus of every camera. Looking on the back of your camera, with the menu on, you should see a flash symbol, with a bar through the symbol, then it is off. Try to switch it on. If the symbol is on (without bar) look if it is dark enough so the flash should work. You also could try to reset the camera to the default settings. But is the flash still does not work something else could be wrong. Just try an external flash. If it does nothing, after you tried everything above, I can't think of anything else. Success.

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When the flash mode TTL. Then this situation can occur if the proximity is working with other studio flash light traps. Your work makes flash another flash while TTL metering. And when is your main flash another flash did not have time to recharge.

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I sent my camera to Canon service center and they have fixed the problem. Here is the repair note for this problem from canon.

"We have examined the product according to your request and it was found that the PCB assembly was not properly connected the strobe could not operate properly. The PCB assembly was reworked. Other inspection and cleaning and parts replacement were carried out ".

I have tested my camera and it is working correctly. One more information is that my camera more than one year old and warrantee expired on Dec 14 2008. I filed this claim Canon online on Jan 25th 2009 and it came out initial estimation as $0 and they did not charge me a penny. Hope this information will help you.

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DO NOT MESS with a new camera (or any other new equipment).
Take/send it back to the vendor, The purchaser has rights also. Number one it must work.
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The problem here is likely the auto setting. Put it to sunny, clear day instead of indoor picture and you should be ok. Also, point it at neutral colored objects when you take the picture and allow it time to adjust by holding the button in partway before depressing it fully.

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Watch the flash,(this might hurt your eyes a bit. If you are getting dark pictures the flash may not actually be firing without you noticing it. It is also possible that the output of the flash is not as high as it should be. This is not very likely though. Either way, since you have tried all posible settings, you are going to have to take it to a shop.

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