Canon 5d shutter issue

Discussion in 'Canon EOS' started by surfdabbler, Oct 24, 2020.

  1. I have an issue with my Canon 5D shutter. Roughly every fifth photo, the shutter doesn't quite close properly (about 5% open at the bottom of the sensor) and the mirror stays open. The screen shows Error 99. A second press of the button for about half a second will get it back (it won't record that photo). Turning the camera off also gets it back.

    Now, I replaced the shutter curtains about 5 years ago with ebay replacements after they failed. It worked well for a year or so of occasional use. Then the camera sat unused for several years. Coming back to it now, the shutter has this issue. I could go through the whole shutter replacement again, but that was a lot of work, and the camera is probably not worth the cost of a new shutter. It's certainly not worth a professional shutter replacement.

    I've been through all the standard error 99 testing, switching lenses, cleaning contacts, etc, etc, etc. The only thing left is the shutter.

    I wonder whether lubricating the shutter might help - if the shutter is dragging too slowly, maybe that triggers an error in the camera? The shutter isn't fully jamming - it seems fine, and it quite able to recover without any problems, and then runs fine for the next few shots before jamming again.

    Any suggestions, or is it time to retire the camera?
     
  2. "Do not try this at home"

    I think it likely that more cameras have been ruined by home efforts at "lubrication" than by any other cause.

    Madly spraying WD-40 or some other witches' brew into your camera is unlikely to help and may be very harmful.
     
  3. I'm sure you are right. That's why I'm asking for advice on what to use and how to use it. If you can confirm that the shutter doesn't use any lubrication, and my symptoms are a normal sign of the shutter wearing out, then this would also be useful advice. The camera is not really useable as it is, and the fallback is to replace the shutter, so if I do ruin it, I'm not really any worse off than I am now.

    Hopefully someone has some helpful advice.
     
  4. Send it out for repair. If original 5D a third party repair shop like KEH may be able to replace the shutter. They have a flat fee of $300 for most repairs. Good luck.
     
  5. A quick look at completed sales on eBay suggest that the camera is worth very little now.

    The fact that the mirror is staying up suggests more than a shutter problem, no?

    I would never try to lubricate the shutter for fear of getting lubricant on the sensor.
     
  6. You're entirely welcome:p
     

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