[sane-devel] problems with samsung SCX-4521F

[ABC]

Probably problem is in usb halting.
I did simple sanei_usb_clear_halt() on open and closing device.
But maybe this is somewhat wrong. It was worked excellent for me.
Unfortunalely I'm not usb guru and can not guess solution.

ABC

On Tue, Jun 01, 2010 at 10:16:23AM -0300, elejota at lavabit.com wrote:
> 
> hello list, i want to report some problems with the samsung SCX-4521F
> scanner, that i'm trying to set up for my girlfriend.
> 
> she uses ubuntu 10.4 with these versions of the software:
> 
> sane 1.0.14-9
> libsane 1.10.20-13
> sane-utils 1.10.20-13
> 
> i tested it with my somewhat similar SCX-4725FN and it's recognized
> automatically, but not the 4521F.
> 
> after finding out the identifiers with sane-find-scanner, i added these
> lines to /etc/sane.d/xerox_mfp.conf:
> 
> #Samsung SCX-4x21
> usb 0x04e8 0x3419
> 
> now, running scanimage -L i see:
> 
> lucre at lu-hp:~$ scanimage -L
> device `xerox_mfp:libusb:002:012' is a SAMSUNG ORION multi-function
> peripheral 
> 
> but it only works once, running the command a second time i get this:
> 
> lucre at lu-hp:~$ scanimage -L
> 
> No scanners were identified. If you were expecting something different,
> check that the scanner is plugged in, turned on and detected by the
> sane-find-scanner tool (if appropriate). Please read the documentation
> which came with this software (README, FAQ, manpages).
> 
> if i disconnect and reconnect the scanner, it appears again, but always
> once. if i launch xsane after reconnecting the scanner, the application
> recognizes it and opens, but then it freezes.
> 
> see below the result of sane-find-scanner -v -v
> 
> thanks for your attention,
> 
> lj