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I tried doing the contacts with a coin on all angles of play. Nothing.
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Quote: Nick has just reminded me of something. There's a retractable plastic pin in the remote release connector that tells the drive that the cord has been plugged in. I can't remember whether the release button is disabled when a cord is plugged in. Squirt a little WD40 into the socket and check that the pin moves freely. Gentle use of a bradawl should free up the pin and that might cure the problem.
My memory is hazy because it's more than a decade since I used an MD12.
Avoid using wd40. It eats polycarbonate and some polystyrenes so unless you know that the pin and neighbouring components are not either ( polycarbonate is widely used in injection moulded structural parts) thenI wouldn't risk it. I dissolved the polycarbonate on a battery cover door once before I was aware of the issue.
Thanks for the tip, greatly appreciated!!
THe is nothing wrong with the pin on my drive. It is actually metal. I have machine oil, I would use that first before WD40 as you would only need a tiny drop.
So, looks like it may be time to look inside!
You shouldn't need any oil. The bearings and gears in camera equipment are lubricated with very tiny amounts of grease (usually graphite) and introducing more is a big no no.
If dismantling, use a digital camera to make visual notes as you go along.
Good tip. Very good idea! You have been a big help so far and I am grateful for your assistance. Thank you.
Really good news!
I fiddled with the drive sprocket and the metal pin dropped INTO the housing. I then did some more scraping on the pins, changed the batteries to a brand new set (second new set) and guess what!!!!
Puuuurrrsss like a kitten!!!!
Thank you for all your help. I was lucky that I did not have to disassemble it. I greatly appreciate the time you all spent on this Nick, theWilliam and 66Tricky.
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