psc but no scan app?

[Evan Leibovitch]

Chris Aitken wrote:

> [chris at p733 chris]$ sane-find-scanner
>
[...]

> found USB scanner (vendor=0x03f0, product=0x4811) at libusb:001:002
>  # Your USB scanner was (probably) detected. It may or may not be 
> supported by
>  # SANE. Try scanimage -L and read the backend's manpage.

The good news is that sane can see the hardware but isn't sure what 
driver to use.

The other good news is that HP says that scanning is supported on this 
model according to 
http://hplip.sourceforge.net/supported_devices/inkjet_aio.html

The FAQ at http://hplip.sourceforge.net/faqs.html states that
"HPLIP should support all SANE front-end applications. We have tested 
scanning with xsane, xscanimage, and kooka."

So what this means is that you need hplip installed (which you probably 
need, to support printing from the device anyway). That will provide the 
"hpaio" driver needed by SANE.

Make sure the line "hpaio" appears in /etc/sane/dll.conf and is not 
commented out.

There's a troubleshooting page at 
http://hplip.sourceforge.net/troubleshooting/scanning.html that may 
provide some help.

- Evan

PS: A very slick-looking diagram of the HP/Sane acrhitecture can be found at
http://hpoj.sourceforge.net/doc/arch/scanning.png
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