Repair guides and support for the Canon Speedlite 430EX II external flash assembly.

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Replace battery door cover

Hello - I cannot seem to find any instructions online for how to replace the battery door cover for my Canon 580exii. I had batteries corrode and ruin the receptors on the cover. I have a new cover but I'm not sure how to access the pin to release the old cover. Do I need to open the entire unit up?

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Here is a link to the relevant section in the service manual for your Canon 580EXII.

It shows an exploded view of the the Battery case Assembly - Disassembly.

On the next page (click the next link page on the bottom of the page) it has illustrations which may help you.

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Hi Jayeff - thanks so much for your help. Would you say that indicates I have to take the whole thing apart to get to that pin? Maybe that's best left to the pros. Not sure I want to open it. Not to mention the screws are taunting me with stripping.


Hi @scamp ,

Not being able to actually see the camera it is a bit difficult to work it out from the manual as to what has to be done.

There's an old saying that applies in this instance - If in doubt, don't!


Ha! Good one and one that I am feeling this time. Thanks!


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Sara campbell will be eternally grateful.
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