> I am a newbie to the maxxum 9000. My camera equipped with an MD-90
> Motor Drive and a Super program Back 90 is stuck at either th 4000 f22
> setting or sometimes at the 4000 f (blinking) The shutter does not
> fire. I believe that i am doing something wrong. The viewfinder is
> dark and the same information above is visable in the viewfinder. Any
> ideas of what I am doing wrong ?

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--e-meil: there's no such thing as a FreeLunch.--
>> I am a newbie to the maxxum 9000. My camera equipped with an MD-90
>> Motor Drive and a Super program Back 90 is stuck at either th 4000 f22
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>Is the DOF preview button stuck? Press it and let go. You
>should hear the aperture mechanism cycling. Check viewfinder again.
Not an issue. DOF works well, I tested it as per Maxxum9000.org web
site instructions thanks to Mangus
>If the VF is dark it is either the aperture is stuck stopped way
>down (point at a bright light, something should get through) or
>the mirror is locked up (remove lens to check).
The mirror is stuck on a horizontal plane with the focusing ground
glass grid. The film advance is stuck
>There is a metal tab at the back of the lens. Spring tension
>normally holds it 'stopped down' when off the camera; you should
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>viewfinder shutter (back of camera/blocks seeing in the
>viewfinder) should be open. Verify in any case.
Not an issue. When shut its red. It is in the open position
>Take control of the camera: put it in "M" mode.
Reading in M mode 4000/ f22. Camera still not functioning
>Set the film ISO to 100. (If your ISO is set at 6400 or similar
>fast setting, the auto setting will tend to drive to fast shutter
>speeds/small apertures ... although before the shutter is
>pressed, the aperture should be fully open).
Will not work
>In "M" mode, set it to f/5.6 (or as large as the lens will go).
>Does that fix it? Again: is the DOF preview button stuck?
set lens at f3.5 still nothing
>Remove the batteries; remove the lens. Are the lens electrical
>contacts clean? (Clean carefully with alcohol (q-tip) or a
>pencil eraser... mind the 'bits'). Let sit a while. Remount the
>lens and try again. If you can remove the back and put on an
>ordinary back, try that too.
Did all that
>If the above doesn't get it going, take it to a camera repair shop.
Just delivered the camera back lens and motor drive to Ace Camera
Repair. Really excellent work. They do the work for a couple of
photographers I know and the local University's Photograhy Department
and they specialize in Minolta. I'll let you know the outcome Friday
when I either get it back repaired or they find it too uneconomical to
repair.
>G'luck,
>Alan.