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The Canon EOS 5D Mark II is a 21.1-megapixel full-frame CMOS digital single-lens reflex (DSLR) camera with video recording capabilities.

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How to fix error 30

how to repair my canon 5D mark ll (error 30)

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REF: http://gdlp01.c-wss.com/gds/0/0300004270...

Perform the steps listed on page 231 of the user manual for error code 30: "Turn the power switch to <OFF> and <ON> again or re-install the battery" (see Pages 26-27 for instructions). This step might need to be repeated a couple of times. Also, notice the advice to use a Cannon lens.

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christofle ng will be eternally grateful.
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