The MR-14EX is a 2-piece flash apparatus, designed for close-range macro photography (~1:1 or greater); extreme close-ups, and tiny subjects.
The main controller (DSLR hotshoe mount), and the flash lamps (lens mount), are tethered by a coiled retractile cable.
I decided to make a few personal modifications to my own, so I contacted Canon directly, requesting some information and a service manual. Basically, they refused to co-operate, forcing me to do things the hard way. So now I'm documenting my process; sharing the relevant information with you, as I progress.
Diagrams are adapted from the official spare parts catalogue.
Remove four screws from the top of the main control module. One in each corner.
Plus one in the middle.
And four more (one is obstructed from view in the photo) at the foot of the module.
The base will drop out quite easily.
The outer shell is held together by internal plastic clips. The two halves come apart at the sides. If you can free a single clip, the rest will slip out, and the rest will fall apart with minimum effort.
Unplug the various connectors holding it all together.
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