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HP 4850 backend

Hello!

I have got a HP Scanjet 4850 photo scanner. As far as I know, it is not supported by Sane yet, and I'm going to
write a backend for it.

Anyone can help me? I have some questions.
1. Did anybody try to write 4850 backend? Why it is not supported?
2. If no... How to start?

Thanks, A.

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stef | 1 Nov 2009 21:06
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Re: HP 4850 backend

Le dimanche 1 novembre 2009 20:09:40 Александр Панков, vous avez écrit :
> Hello!
> 
> I have got a HP Scanjet 4850 photo scanner. As far as I know, it is not
>  supported by Sane yet, and I'm going to write a backend for it.
> 
> Anyone can help me? I have some questions.
> 1. Did anybody try to write 4850 backend? Why it is not supported?
> 2. If no... How to start?
> 
> Thanks, A.
> 

	Hello,

	this scanner is reported to have a GL841 ASIC. If so it could be added to the 
genesys backend. Try sane-find-scanner to check the ASIC. If it is really  
GL841 based, have a look at the genesys*.[ch] sources. You can start by adding 
needed entries in genesys.conf.in and genesys_devices.c and then start to 
tests.

Regards,
	Stef

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Walter Scott | 1 Nov 2009 06:20
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scanner

# Brother MFC 6800
ATTRS{idVendor}=="04f9", ATTRS{idProduct}=="0111", ENV{libsane_matched}="yes"


Thanks a lot.

Yahoo! Canada Toolbar : Search from anywhere on the web and bookmark your favourite sites. Download it now!

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Emmanuel Coirier | 1 Nov 2009 13:09
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Epson Perfection V30 scanner

Hi, 

In order to enable my scanner with Sane, I had to add this line :

# Epson Perfection V30
ATTRS{idVendor}=="04b8", ATTRS{idProduct}=="0131", ENV{libsane_matched}="yes"

The scanner is working near perfectly (some extra buttons are useless, that's 
it) with Sane, with this driver : esci-interpreter-gt-f720_0.0.1-2_i386.deb 
found on here :
http://www.avasys.jp/lx-bin2/linux_e/scan/DL1.do (Choose Perfection V30)

Best regards,

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Jonne | 1 Nov 2009 14:45
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brother dcp 135c

in /lib/udev/rules.d/40-libsane.rules , adding

#brother DCP-135C
ATTRS{idVendor}=="04f9", ATTRS{idProduct}=="01ce", ENV{libsane_matched}="yes"

worked for me in Ubuntu Karmic (after installing the drivers from brother's website, http://solutions.brother.com/linux/en_us/download_scn.html )

Jonathan

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Bill Phillips | 1 Nov 2009 23:46
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Re: HP 4850 backend

Please let us know if you get anywhere. I have the HP 4890, which is
nearly identical.

Bill

On Sun, Nov 1, 2009 at 15:06, stef <stef.dev <at> free.fr> wrote:
> Le dimanche 1 novembre 2009 20:09:40 Александр Панков, vous avez écrit :
>> Hello!
>>
>> I have got a HP Scanjet 4850 photo scanner. As far as I know, it is not
>>  supported by Sane yet, and I'm going to write a backend for it.
>>
>> Anyone can help me? I have some questions.
>> 1. Did anybody try to write 4850 backend? Why it is not supported?
>> 2. If no... How to start?
>>
>> Thanks, A.
>>
>
>        Hello,
>
>        this scanner is reported to have a GL841 ASIC. If so it could be added to the
> genesys backend. Try sane-find-scanner to check the ASIC. If it is really
> GL841 based, have a look at the genesys*.[ch] sources. You can start by adding
> needed entries in genesys.conf.in and genesys_devices.c and then start to
> tests.
>
> Regards,
>        Stef
>
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> http://lists.alioth.debian.org/mailman/listinfo/sane-devel
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Alesh Slovak | 2 Nov 2009 00:34
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[iscan] New release available

Dear all,

I am pleased to announce that a new release of Image Scan! for Linux has
been made available on my employer's website. The release announcement
is at:

    http://avasys.jp/eng/linux_driver/news/id000736.php

Here is the relevant bit of the NEWS file for iscan-2.22.1:

  * fixes automatic device setup for the following distributions:
    - Ubuntu 9.10
    - Mandriva Linux 2010.0
    - Fedora 12

Happy scanning,
--

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alesh.slovak <at> avasys.jp          http://avasys.jp

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Alesh Slovak | 2 Nov 2009 00:45
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Re: Epson Perfection V30 scanner

Emmanuel Coirier wrote:
> In order to enable my scanner with Sane, I had to add this line :
> 
> # Epson Perfection V30
> ATTRS{idVendor}=="04b8", ATTRS{idProduct}=="0131", ENV{libsane_matched}="yes"

Late last week iscan/epkowa 2.22.1 was released which should now fix this 
problem so you no longer have to manually edit the udev rules file.

Happy scanning,
--

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alesh.slovak <at> avasys.jp          http://avasys.jp

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Alessandro Zummo | 2 Nov 2009 10:56
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new frame types (again)

On Thu, 16 Apr 2009 08:45:47 -0400
"m. allan noah" <kitno455 <at> gmail.com> wrote:

> Correct. We will re-open the discussion of the API changes after we
> get 1.0.20 out the door. I suppose you could still send the RGBI data,
> and tell the front-end that it gets more bytes per line than expected.
> But that will make most front-ends choke, so it is a poor workaround.

 Here we go... 1.0.20 is way out of the door and it's time to reopen
 this 4 (?) years old discussion.

 We have the new frame types in sane.h but they're
 commented out... the question is...

 anyone is against removing that #if 0 ?

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 Best regards,

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  Tower Technologies - Torino, Italy

  http://www.towertech.it

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m. allan noah | 2 Nov 2009 14:25
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Re: new frame types (again)

On Mon, Nov 2, 2009 at 4:56 AM, Alessandro Zummo
<azummo-lists <at> towertech.it> wrote:
> On Thu, 16 Apr 2009 08:45:47 -0400
> "m. allan noah" <kitno455 <at> gmail.com> wrote:
>
>> Correct. We will re-open the discussion of the API changes after we
>> get 1.0.20 out the door. I suppose you could still send the RGBI data,
>> and tell the front-end that it gets more bytes per line than expected.
>> But that will make most front-ends choke, so it is a poor workaround.
>
>  Here we go... 1.0.20 is way out of the door and it's time to reopen
>  this 4 (?) years old discussion.
>
>  We have the new frame types in sane.h but they're
>  commented out... the question is...
>
>  anyone is against removing that #if 0 ?

A-

're-open the discussion' != 'remove the #if 0'

frankly, it is bad when we don't do frequent releases, and so we tell
users of new equipment that they have to build from git repo, but the
git repo uses a different API.

so- lets release current tree as 1.0.21 in one month. At the same
time, we finalize the 2.0 spec. If we keep it small, we can do a 2.0
release around Jan 1. I'm pretty busy, but if i can get some help we
can swing it.

i am sure sane 1.0.21 and sane 2.0.0 will have to live concurrently
for a little while, so we will have to keep that in mind.

comments?

allan
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Gmane