My experience with scanners was for large engineering data.  (They cost
about $5k-$10k each, but cheaper now than then).  If left to themselves,
the customers would try to keep the scanners going long after they were
junk, the interface to the computer was obsolete, and the cost of
maintenance was climbing through the roof.  Replacing scanners at least
every five years is a good way to prevent all of that.
 
Mark Snyder
-----Original Message-----
Depends on the scanner. A $49 scanner is not durable. A $9999 scanner
will probably last until it is technically obsolete. If you spend $9999
to buy 200 $49 scanners and discard one every month, they will outlast
the one $9999 scanner.


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