[sane-devel] HP ScanJet 6200C timeout trouble

[m. allan noah]

i actually have one of these sitting under my desk- some time in the
next couple of days i will try to find time to connect it to a fedora
amd64 box, and see if i have any errors. but, i remember thinking in
the past that this thing works alot better with scsi than with usb.

allan

On 12/26/07, Thilo-Alexander Ginkel <maillist at tgbyte.com> wrote:
> Hello everybody,
>
> right now, I am struggling with getting my HP ScanJet 6200C (connected
> via USB) to work reliably using SANE.
>
> Some system details:
>
> $ uname -a
> Linux andromeda 2.6.22-14-generic #1 SMP Tue Dec 18 05:28:27 UTC 2007
> x86_64 GNU/Linux
>
> $ scanimage --version
> scanimage (sane-backends) 1.0.18-cvs; backend version 1.0.18
>
> $ 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=0x2018, product=0x0403) at libusb:004:003
> found USB scanner (vendor=0x03f0 [Hewlett-Packard], product=0x0201 [HP
> ScanJet 6200C]) at libusb:005:004
>
> $ scanimage -L
> device `hp:libusb:005:004' is a Hewlett-Packard ScanJet 62x0C flatbed
> scanner
>
> When actually starting a scan I finally get:
>
> $ scanimage
> [...]
> [sanei_usb] sanei_usb_read_bulk: wanted 16 bytes, got 11 bytes
> [sanei_usb] sanei_usb_write_bulk: trying to write 5 bytes
> [sanei_usb] 0000: 1B 2A 66 30 53
> .*f0S...........
> [sanei_usb] sanei_usb_write_bulk: wanted 5 bytes, wrote 5 bytes
> [sanei_usb] sanei_usb_read_bulk: trying to read 32768 bytes
> P4
> # SANE data follows
> 2550 3507
> [sanei_usb] sanei_usb_read_bulk: read failed: Resource temporarily
> unavailable
> USB error: could not clear/halt ep 129: Connection timed out
> scanimage: sane_read: Error during device I/O
> [sanei_usb] sanei_usb_close: closing device 1
>
> Any idea where I could continue debugging / how to increase the timeout?
>
> Regards,
> Thilo
>
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