In article <473agv$h0g@maze.dpo.uab.edu>, gpw@dukebar.crml.uab.edu says...
>I have a Nikon FM which is about 15-20 years old. Recently
>it has started to put an overexposed verticle strip on the negatives.
>Any suggestions as to what this might be would be appreciated.

If the strip runs along one long edge of the frame, I would guess it
is shutter bounce, or a hang-up of the second shutter curtain (a
repair) - otherwise, ?????
Hope this helps.