[sane-devel] Epson Perfection 1670 USB on Mac 10.3.9

m. allan noah kitno455 at gmail.com
Tue Dec 18 12:40:25 UTC 2007

i would turn up the debugging level on the snapscan backend (which is
somehow already set to 2?):

SANE_DEBUG_SNAPSCAN=255 scanimage -L

and lets see if that gives us any more info.


On 12/17/07, andy whelan <bgbghq at gmail.com> wrote:
> Hello,
> First off let me say that I am an absolute novice when it comes to any kind
> of a command line interface, so go easy on me.
> Here's my problem. I have installed: sane backends 10.0.18 and libusb 0.1.12
> on a G4 macintosh running MacOS 10.3.9 and I can't get my scanner to work
> using scanimage.
> This is what happens:
> Andy-Whelans-Computer:~ andywhelan$ 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=0x067b, product=0x2303) at
> libusb:001:003-067b-2303-00-00
> found USB scanner (vendor=0x04b8 [EPSON], product=0x011f [EPSON Scanner]) at
> libusb:002:002-04b8-011f-ff-ff
>   # 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.
> Which sounds okay to me. Then:
> Andy-Whelans-Computer:~ andywhelan$ scanimage -L
> [sanei_debug] Setting debug level of snapscan to 2.
> [snapscan] add_usb_device: error opening device
> libusb:002:002-04b8-011f-ff-ff: Invalid argument
> And that's all I know. It sounds to me like SANE doesn't like what it's
> getting from libusb, but like I said, I'm pretty inexperienced with this
> stuff.
> Any help would be greatly appreciated.
> Andy
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