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Olaf Meeuwissen | 1 Sep 2005 02:32
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Re: Epson 3490

Jim MacLeod <j75trym <at> blueyonder.co.uk> writes:

> I'm new to scanning and relatively new to Linux. Searched the web
> for info and got the impression, which others confirmed, that
> generally anything epson works with Linux, but maybe not the 3490!
> sane-find-scanner gets vendor and product code but scanimage -L
> finds nothing.
>
> Having now read a previous mail about the 4490 I'm guessing that the
> same applies to the 3490, ie no go..are my fears justified?

The same does not apply.  The 4490 and 3490 are very different
scanners.  The 3490 is partially supported by the latest snapscan
backend.  Also, iscan will support the 3490 with the next version
(1.17.0) using a closed source plugin.

> Vuescan which does support the 3490 but I've got to learn more about
> usb first before going down that road - or is there hope.

Hope this helps,
-- 
Olaf Meeuwissen                          EPSON AVASYS Corporation, LAN
FSF Associate Member #1962           sign up at http://member.fsf.org/
GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97  976A 16C7 F27D 6BE3 7D90
Penguin's lib!       -- I hack, therefore I am --               LPIC-2

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Olaf Meeuwissen | 1 Sep 2005 02:39
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Re: Epson 3490

Henning Meier-Geinitz <henning <at> meier-geinitz.de> writes:

>> Having now read a previous mail about the 4490 I'm guessing that
>> the same applies to the 3490, ie no go..are my fears justified?
>
> That scanner isn't even in our list. Can anyone provide more details
> (vendor/product ids, chipset)? Support is planned for the epkowa
> backend, see the list archive of this list for details.

The 4490 is in the same category as the 3170 and 4180.
USB vendor/product ID info: 0x04b8/0x0119.

Hope this helps,
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Olaf Meeuwissen                          EPSON AVASYS Corporation, LAN
FSF Associate Member #1962           sign up at http://member.fsf.org/
GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97  976A 16C7 F27D 6BE3 7D90
Penguin's lib!       -- I hack, therefore I am --               LPIC-2

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Matt Proud | 1 Sep 2005 05:48
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HP PSC 750

Hello,

Per the instructions at http://gentoo-wiki.com/HOWTO_Installing_USB_Scanner#Configuration, I have been told to report to this mailing list product and vendor IDs that do not appear in /etc/hotplug/usb/libsane.usermap.

I have a HP PSC 750 with a vendor ID of 0x03F0 and product ID of 0x1411.

I hope that this is useful.

Best,

Matt

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Olaf Meeuwissen | 1 Sep 2005 05:50
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[ANNOUNCE] iscan release (was Re: Epson 3490)

Olaf Meeuwissen <olaf.meeuwissen <at> avasys.jp> writes:

> Jim MacLeod <j75trym <at> blueyonder.co.uk> writes:
>
>> I'm new to scanning and relatively new to Linux. Searched the web
>> for info and got the impression, which others confirmed, that
>> generally anything epson works with Linux, but maybe not the 3490!
>> sane-find-scanner gets vendor and product code but scanimage -L
>> finds nothing.
>>
>> Having now read a previous mail about the 4490 I'm guessing that the
>> same applies to the 3490, ie no go..are my fears justified?
>
> The same does not apply.  The 4490 and 3490 are very different
> scanners.  The 3490 is partially supported by the latest snapscan
> backend.  Also, iscan will support the 3490 with the next version
> (1.17.0) using a closed source plugin.

Sorry, forgot to mention the URL.

  http://www.avasys.jp/english/linux_e/

BTW, iscan-1.16.0 saw the light of day yesterday.  It adds support for
a small business MFP marketed in Japan.  That's probably not so very
interesting for most of you but what may be more interesting is that
there are now also experimental gcc-3.4 or later packages.

For those who missed 1.15.0, that version added support for the Stylus
Photo RX700 and the AcuLaser CX11.  Moreover, iscan uses GTK+ 2.x by
default as of that version and can be used as a GIMP 2.x plugin.

>> Vuescan which does support the 3490 but I've got to learn more about
>> usb first before going down that road - or is there hope.
>
> Hope this helps,
-- 
Olaf Meeuwissen                          EPSON AVASYS Corporation, LAN
FSF Associate Member #1962           sign up at http://member.fsf.org/
GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97  976A 16C7 F27D 6BE3 7D90
Penguin's lib!       -- I hack, therefore I am --               LPIC-2

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Bjorn Solberg | 1 Sep 2005 09:54

Re: Epson 3490

Oliver Schwartz writes:

> Hi,
>> I don't have access to that information right now, so I'll check
>> that tonight also.  It is whatever firmware came with the scanner -
>> esfw52.bin.

> yes, but at least for other epson scanners these firmware files are 
> available in different versions. The filename is always the same.

$ strings esfw52.bin  | tail
Thu Apr 14 2005 14:32
1.08 u
A0~      
 4{ 
r {o0r
~rSP
u89u9
u89u9
EPSON   GT-F520         1.08
qThu Apr 14 2005 14:32

> Another thing that I'm interested in is whether only the size of the 
> scan area is wrong or if the origins of the scan area are also not 
> set correctly (i.e. options -l and -t in scanimage)

-x and -y are reduced by about 25% - i.e. I ask for 100mm and get only
75mm.

-l and -t are ditto reduced by about 25% - getting only 75mm when asking
for 100mm.

> If it is always the same ratio of real distance to scanned distance 
> (also for -l and -t) it is most likely that the calculation of the 
> scan area is not handled correctly. That could be corrected by 
> changing the value of pos_factor in function set_window() in 
> snapscan-scsi.c. 

That would seem to be the case here.

> For the guy that developed the patch that didn't help, though.

Hm.  Is that the guy that you say below has the scanner working for him,
or is it someone else?

>> My main interest at this point is to understand whether this issue
>> is something that can be solved with some patch to the backend, or
>> whether it's inherently related to the scanner's firmware or
>> something that is Epson-proprietary that the SANE developers won't
>> get access to. Is anyone able to shed some light on this issue?  

> I don't think that this is an unsolvable problem. It may be necessary 
> to do some deeper analysis and maybe get some USB traces from the 
> windows driver, though.

How do I go about getting such traces for you (or whoever it is who'll
likely be working on this)?

> Also keep in mind that the scanner seems to work for at least one guy, 
> so the solution can't be that difficult :-)

I certainly hope that is the case!  What did that guy do to make it work?
I.e. scanning over the whole area?

(On a side note: Is brightness supposed to work for lineart mode?  As it
is, it tends to make Lineart mode scans too dark - things that are
clearly (but somewhat faded) white paper gets smothered in black.  My
UMAX Astra 1200 didn't have that problem at all.)

Thank you,

Bjorn.

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Bjorn Solberg | 1 Sep 2005 19:55

Re: Epson 3490

Levente Novák writes:

> On Thu, 2005-09-01 at 00:54 -0700, Bjorn Solberg wrote:
>> > Another thing that I'm interested in is whether only the size of the 
>> > scan area is wrong or if the origins of the scan area are also not 
>> > set correctly (i.e. options -l and -t in scanimage)
>> 
>> -x and -y are reduced by about 25% - i.e. I ask for 100mm and get only
>> 75mm.
>> 
>> -l and -t are ditto reduced by about 25% - getting only 75mm when asking
>> for 100mm.
>> 
>> > If it is always the same ratio of real distance to scanned distance 
>> > (also for -l and -t) it is most likely that the calculation of the 
>> > scan area is not handled correctly. That could be corrected by 
>> > changing the value of pos_factor in function set_window() in 
>> > snapscan-scsi.c. 

> AFAIK the Epson is a 3200 dpi scanner while e.g. 2480 is only 2400 dpi.
> 2400/3200=0.75.

> Couldn't be this the problem?

Duh.

So maybe it's just a matter of finding the part of the code that governs
this and set up a separate configuration for the 3490.

Yet another issue is that scanimage seems to hang if I try to scan with
resolutions over 1200 - could that be related?

Bjorn.

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Henning Meier-Geinitz | 1 Sep 2005 22:10
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Re: SANE and DOS6.2

Hi,

On Tue, Aug 30, 2005 at 04:49:53PM -0400, Jeff Marc wrote:
> I want to access a scanner from a DOC C program , can I use SANE to do
> this?

In principle, the SANE API isn't based on a type of operating system.
The implementation of sane-backends, however, expects to be built on a
Unix-like system.

So I guess porting (parts of) SANE to DOS will be quite a lot of work
especially considering how to access SCSI or USB devices at all.

Bye,
  Henning

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Henning Meier-Geinitz | 1 Sep 2005 22:11
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Re: Mustek ScanExpress A3 USB

Hi,

On Thu, Aug 25, 2005 at 08:58:45PM +0100, Jonathan Hipkiss wrote:
> I hate to say it but everything works fine in Windows, 24bit colour, 
> 600dpi full scan OK

That's fixed in backend version 1.0-75 and in CVS now.

Bye,
  Henning

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Richard Ibbotson | 2 Sep 2005 14:51
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Re: Configuring a Mustek BearPaw 2400 Scanner

Hi

> I hope so. Please try the latest backend gt68xx (1.0-73) from
> http://www.meier-geinitz.de/sane/gt68xx-backend/ or a snapshot of
> http://www.sane-project.org/snapshots/

Right, I've got hold of...

http://www.meier-geinitz.de/sane/gt68xx-backend/gt68xx-backend-only-1.0-74.tar.gz

Opened this up and I can see lots of code such as..

gt68xx.c
gt68xx.conf
gt68xx_devices.c
gt68xx_high.c

But, I'm not sure what to do with this.  I know that the web page says
run ./configure:make:make install but I've tried that and it doesn't
work. Used ./configure and others on many other bits of software but
not able to with the backend software.  Yes, automake and other
software is installed on my Debian Sarge workstation :)

I'm aware that I shouldn't have to send this kind of request to this
list but here it is anyway.

Regards

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Henning Meier-Geinitz | 2 Sep 2005 17:04
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Re: Configuring a Mustek BearPaw 2400 Scanner

Hi,

On Fri, Sep 02, 2005 at 01:51:16PM +0100, Richard Ibbotson wrote:
> http://www.meier-geinitz.de/sane/gt68xx-backend/gt68xx-backend-only-1.0-74.tar.gz
> 
> Opened this up and I can see lots of code such as..
> 
> gt68xx.c
> gt68xx.conf
> gt68xx_devices.c
> gt68xx_high.c
> 
> But, I'm not sure what to do with this.  I know that the web page says
> run ./configure:make:make install but I've tried that and it doesn't
> work. Used ./configure and others on many other bits of software but
> not able to with the backend software.  Yes, automake and other
> software is installed on my Debian Sarge workstation :)
> 
> I'm aware that I shouldn't have to send this kind of request to this
> list but here it is anyway.

Well, it's explained directly above the download link. Quote:

When you download the gt68xx backend for the first time, use SANE
1.0.16 (or later) or the latest SANE CVS snapshot from the CVS
snapshots page. Unpack, run ./configure ; make ; make install. 

For updating, you can also download the smaller packages (ca. 80 kb)
linked below. They don't work stand-alone, e.g. there is no Makefile.
So you need to get a snapshot at least once. When you want to update
to a new version, just unpack the gt68xx backend in the sane-backends
directory of a snapshot and run make distclean; ./configure ; make ;
make install.

Bye,
  Henning

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