[sane-devel] Reflecta ProScan 7200

m. allan noah kitno455 at gmail.com
Wed Mar 9 11:09:09 UTC 2011

On Tue, Mar 8, 2011 at 6:04 PM, Jan Vleeshouwers
<j.m.vleeshouwers at tue.nl> wrote:
> m. allan noah <kitno455 <at> gmail.com> writes:
>> On Mon, Feb 7, 2011 at 6:37 AM, Michael Rickmann <mrickma <at> gwdg.de>
>> wrote:
>> > I got a Reflecta USB film scanner to digitize my collection of old slides
>> > and negatives.
>> <snip>
>> Some random thoughts:
>> 1. SCSI over USB is a fairly common way for makers to upgrade their products.
>> 2. Makers tend not to change protocols unless they absolutely must.
>> 3. Improving and existing backend generally preferred over writing new ones...
>> 4. ... unless the existing code is ugly or broken.
>> So, I would first attempt to modify the PIE backend to know about USB
>> scanners. You might be able to copy some of the gl6xx code. I actually
>> prefer working with SCSI-based machines, they are the easiest.
>> You will find SANE's support for infrared is quite lacking, however...
>> allan
> See below for some more input. I've got a similar scanner with the same
> vendor/product ids and I'm curious about how far we can dissect this thing.
> I hope I've appropriately summarized what I've done. If it's cryptic, ask
> me to clarify. If you've got some additonal information, I'm interested. If it
> is not leading anywhere, I'd like to know as well...

sounds like you are on the right track. make sure you read the scsi
standard draft, not just the existing pie code. the scanner might use
more commands.

"The truth is an offense, but not a sin"

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