El mar, 13-07-2010 a las 10:33 -0300, Javier Argentina escribió:
> Estimados:
>
> Tengo dos máquinas distintas, con distintos escáneres, ambas corriendo
> GNU/Linux Debian squeeze.
> Me está pasando que cuando quiero hacer un escaneo como usuario común
> con xsane, me reporta que no encuentra el escaner. Para que lo pueda
> hacer debo desinstalar xsane y sane purgándolo, y luego reinstalarlo.
> Ahí sí funciona.
> Apago la máquina, vuelvo a encender, y neuvamente no puedo utilizar
> xsane, dado que no detecta el escáner como usuario común.
> Lo curioso, es que desde root lo hace sin problemas.
> Como datos, aporto que los usuarios son miembros de los grupos saned,
> scanner y hplip.
> Como detalle, agrego las corridas de lsusb, sane-find-scanner y
> scanimage -L como usuario y como root. Verán que hay diferencias.
> Si alguien sabe a qué puede deberse, agradecería la ayuda.
> Gracias en adelanto.
>
> ------
>
> Como usuario normal:
>
> $ sane-find-scanner
>
> # sane-find-scanner will now attempt to detect your scanner. If the
> # result is different from what you expected, first make sure your
> # scanner is powered up and properly connected to your computer.
>
> # No SCSI scanners found. If you expected something different, make sure
> that
> # you have loaded a kernel SCSI driver for your SCSI adapter.
>
> found USB scanner (vendor=0x03f0, product=0x4d11) at libusb:006:003
> # Your USB scanner was (probably) detected. It may or may not be supported
> by
> # SANE. Try scanimage -L and read the backend's manpage.
>
> # Not checking for parallel port scanners.
>
> # Most Scanners connected to the parallel port or other proprietary ports
> # can't be detected by this program.
>
> # You may want to run this program as root to find all devices. Once you
> # found the scanner devices, be sure to adjust access permissions as
> # necessary.
>
> $ 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).
>
> ------
>
> Como root:
>
> # sane-find-scanner
>
> # sane-find-scanner will now attempt to detect your scanner. If the
> # result is different from what you expected, first make sure your
> # scanner is powered up and properly connected to your computer.
>
> # No SCSI scanners found. If you expected something different, make sure
> that
> # you have loaded a kernel SCSI driver for your SCSI adapter.
>
> found USB scanner (vendor=0x03f0 [HP], product=0x4d11 [PSC 1400
> series]) at libusb:006:003
> # Your USB scanner was (probably) detected. It may or may not be supported
> by
> # SANE. Try scanimage -L and read the backend's manpage.
>
> # Not checking for parallel port scanners.
>
> # Most Scanners connected to the parallel port or other proprietary ports
> # can't be detected by this program.
>
>
> # scanimage -L
> device `hpaio:/usb/PSC_1400_series?serial=BR61D2G0PG04BM' is a
> Hewlett-Packard PSC_1400_series all-in-one
>
> -----------
>
> # lsusb
> Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 006 Device 003: ID 03f0:4d11 Hewlett-Packard PSC 1400
> Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 005 Device 002: ID 0458:009f KYE Systems Corp. (Mouse Systems)
> Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
>
Hola Javier. Buenos días. ¿Has hecho lo siguiente?: Sistema --->
Administración ---> Usuarios y grupos ---> Nombre_de_usuario --->
Propiedades. Entonces deberías marcar la opción Scanner. Posteriormente,
deberías reiniciar el equipo. A mi me sirvió con un HP ScanJet 4100c.
Saludos, también de Argentina.
han...@l