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[filmscanners] RE: Epson Perfection V750-M Pro Scanner,



Jim,

Sort of a natural mistake since most people associate all scanner drivers as
twain drivers, which most were when all scanners were 32 bit.  Epson
probably did refer to the driver as a "64-bit driver" without bothering to
distinguish between twain based drivers and WIA based drivers, which
Microsoft has moved to for all their versions of OS since Vista.  I am not
sure if the drivers for Macs are twain or WIA or something else and if there
are 64 bit Mac drivers available or not since I do not use a Mac.  It may be
that the new Mac OSs have opted to use WIA drivers as well and that one can
use said drivers to work in 64 bit on their systems.

I was not trying to put you or anyone else down for the confusion but was
merely seeking to maintain some clarification of the various differences
between ASPI layers, Twain drivers, and WIA drivers as well as their
relationship to SCSI and USB interfaces and 32 bit versus 64 bit OSs and
drivers.

-----Original Message-----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk] On Behalf Of James L. Sims
Sent: Sunday, June 14, 2009 5:00 PM
To: laurie@advancenet.net
Subject: [filmscanners] Re: Epson Perfection V750-M Pro Scanner,

Laurie,

I could be wrong calling the Epson driver a 64-bit twain driver.  If
memory serves me, Epson referred to it as a "64-bit driver".  I did not
ask for it as I was, and still am, on 32-bit machines - mainly because
of the Sprintscan 120.

Jim


LAURIE SOLOMON wrote:
> I would check again on the 64-bit twain driver.  Epson may have developed
a
> proprietary driver for the scanner but I sort of doubt it was a twain
driver
> since there were never any official standards set for the 64 bit twain
> driver by the twain working group consortium even though they talked about
> doing so and there was never any implementation of an official 64-bit
twain
> driver although there may have been implementations of 64 bit drivers for
> scanners by third parties (e.g. Ed Hamrick) manufacturers as proprietary
> items.  It is quite possible that what you got was a 64 bit WIA interface
> driver which allows the scanner to work with 64 bit Windows Vista machines
> and maybe XP.
>
> I see where there is now some discussion online about standards for a 64
bit
> version 2.0 twain driver set of standards (version 1 discussions were
> abandoned a few years ago); but the discussions do not seem to have
reached
> a firm enough stage that there have been any fully implemented instances
of
> such a twain driver that are working drivers issued by software
developers.
>
> -----Original Message-----
> From: filmscanners_owner@halftone.co.uk
> [mailto:filmscanners_owner@halftone.co.uk] On Behalf Of James L. Sims
> Sent: Saturday, June 13, 2009 11:55 PM
> To: laurie@advancenet.net
> Subject: [filmscanners] Re: Epson Perfection V750-M Pro Scanner,
>
> I have an Epson 1600, that's older than my Polaroid 120 and Epson has
> provided 64-bit twain drivers for it.  But you're right, the 120 will
> have to stay with a 32-bit XP machine.
>
> Jim
>
> LAURIE SOLOMON wrote:
>
>> Yes; but you are talking about a relatively new USB based scanner and
>>
> Vista
>
>> X64.  It is quite possible that this newer model scanner uses either
third
>> party drivers developed by people like Ed Hemrick or has Epson developed
>>
> WMA
>
>> drivers which are designed for Vista X32 and X64 bit versions.  Being USB
>> based and not SCSI based peripherals, you probably did not need to use an
>> ASPI layer to get the OSD to recognize the hardware device as was the
case
>> with SCSI based scanners of old.  There is a difference between drivers
>> which enable software applications to work a peripheral device and such
>> things as software code such as ASPI layers which enable the OS to
>>
> recognize
>
>> the existence of the physical device; the two are not the same.
>>
>> -----Original Message-----
>> From: filmscanners_owner@halftone.co.uk
>> [mailto:filmscanners_owner@halftone.co.uk] On Behalf Of
>> caryenochr@enochsvision.com
>> Sent: Saturday, June 13, 2009 4:03 PM
>> To: laurie@advancenet.net
>> Subject: [filmscanners] Re: Epson Perfection V750-M Pro Scanner,
>>
>> I didn't have to do anything to get my new Epson V500 scanner to work in
>> Vista-x64. I used
>> the installation CD and then immediately installed the 64-bit updates
that
>>
> I
>
>> downloaded
>> from the Epson support pages. Then I turned the scanner on. Windows made
>>
> the
>
>> low beep that
>> it does when it recognizes any USB device and that was it. The scanner
>>
> works
>
>> perfectly in
>> Vuescan Prof. It was recognized immediately.
>>
>> Environment: Vista Ultimate-x64/SP2, 8 GB RAM.
>>
>> I went ahead and bought Silverfast Ai Studio for it for a variety of
>>
> reasons
>
>> mostly
>> related to the difficult faded originals. They're very old filmstrips of
>> great historical
>> value that I'm restoring. Silverfast isn't as easy to use as Vuescan but
I
>> felt the more
>> finely tuned results justified the high price. Btw, Silverfast had no
>> problems recognizing
>> the scanner either. That's because Lasersoft customizes each version for
a
>> specific
>> scanner. Vuescan should drive virtually any scanner right out of the box.
>> It's amazing.
>>
>> I made sample scans on a friend's V750 and could not discern any
>>
> difference
>
>> in quality
>> between those scans and the ones on the V500 -- and I am very picky. The
>> optics are
>> probably better on the V750 though. Don't bother with the Epson OEM
>> software. Either
>> Vuescan or Silverfast are greatly superior. Your choice.
>>
>> On 13-Jun-09 15:43:44, LAURIE SOLOMON (laurie@advancenet.net) wrote:
>>
>>
>>> SCSI is the hardware connection; there are no twain drivers for 64 bit
>>>
> OS.
>
>>> You need the ASPI layer with SCSI for any Windows OS (32 or 64 bit) to
>>> recognize the scanner as a hardware device ( I do not know about USB
>>> connected scanners); but this is different from getting the scanner to
>>> work which is different from getting the OS to recognize the hardware
and
>>> requires device drivers.  The traditional scanner and scanner drivers
>>> were and are proprietary software connected twain drivers, which are
only
>>>
>>>
>> 32
>>
>>
>>> bit and will not work with 64 bit OSs.  Ed Hamrick by passes the twain
>>> driver and has written his own drivers for scanners; they may be 64 bit
>>>
>>>
>> capable.
>>
>>
>>> -----Original Message-----
>>> On Behalf Of lists@lazygranch.com
>>>
>>>
>>
>>> Ed Hamrick.would know the OS/software issues.
>>>
>>>
>> --
>> Cary Enoch Reinstein, Enoch's Vision Inc.  http://www.enochsvision.com
>> Blog: http://www.enochsvision.net  -  "Behind all these manifestations is
>> the one radiance, which shines through all things. The function of art is
>> to reveal this radiance through the created object."  (Joseph Campbell)
>>
>>
>>
>>
>
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