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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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[filmscanners] Re: Minolta Dimage Scan ELite 5400 II negative carrierslippage



I don't have a 5400 II, so I know you aren't directing this to me.  The
scanner has received very good reviews in many areas.

I looked at your linked images, and just guessing, I would agree with
your analysis that the neg carrier's teeth probably are shallow enough
that they are not engaging fully with the drive gear, which may have
become slightly worn from use.

Two things come to mind:

1) if the neg holder worked when the scanner was new, then either the
drive gear or the carrier teeth or both are wearing, and probably will
continue to do so.  That could eventually lead to the slide carrier also
slipping.  Further, the fact that the teeth on the slide carrier are
longer and deeper may mean it is wearing the drive gear more rapidly.

2) The causes could be use of too soft a plastic on the driver gear,
causing slippage or wear, or too much play in the gear shaft (it might
be spring loaded).  Or it could just be the tolerances need to be
tightened up or maybe the neg carrier was molded incorrectly, but it
obviously worked previously with those same teeth.

I suggest that you contact Konica-Minolta about this.  They may have
newer versions which corrected the problem.

Art

Patrick Cullinan, Jr. wrote:

> Dear folks,
>
> I am no longer able to scan negatives with my Scan Elite 5400 II
> because the negative carrier often fails to be transported properly --
> it seems that the teeth on the carrier are not being positively engaged.
>
> Is anyone else having this problem?
>
> The slide carrier, on the other hand, never fails.  I notice that the teeth
> on the slide carrier are taller than those on the negative carrier.  This
> could well explain why the latter is not being engaged properly.
>
> You can see images of this at
> http://pcullinan.smugmug.com/gallery/886648/1/40137501.
>
> If anyone is using a Scan Elite 5400 or Scan Elite 5400 II, could they
> please check their carriers for me to see if the teeth are of the same
> height?  This could help me to get to a solution.
>
> By the way, my scans show faint lines in the shadows.  These lines lie
> in the direction in which the carrier is transported.  I've resigned myself
> to this.  In my opinion, it's the kiss of death for any use of this scanner
> for professional production.  I understand that half of the users of this
> scanner get these lines, and another half either do not get them, or if
> they do,
> they either don't see them or don't feel like complaining.  The offending
> lines can be seen at the web address given above.
>
> Kindest regards,
>
> Patrick Cullinan, Jr.
> New York
>
>

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