[sane-devel] Slow scanner & timeout
m. allan noah
kitno455 at gmail.com
Wed Apr 14 15:05:20 UTC 2010
The HP 6x00 scanjets use ancient usb 1.0 (not even 1.1) IIRC. I had
lots of problems with this scanner on USB on every machine I tried.
Eventually I gave up and scrapped it. If you want to try and fix it, I
would get the source of sane-backends 1.0.20, and see if you can add
any calls to sanei_usb_set_timeout to the hp backend.
On Wed, Apr 14, 2010 at 9:59 AM, Erik Lotspeich <erik at lotspeich.org> wrote:
> I have an HP ScanJet 6300c that I've been using successfully with sane
> for some time now.
> I have a problem when I use the XPA. With the XPA, the scanner takes a
> LONG time (it waits for the XPA lamp to warm up) to handle scan
> requests. The problem is that sane timeouts with an I/O error before
> the scanner is ready. When the scanner is ready (you can hear it
> attempt to start the scan), sane is no longer listening.
> This scanner has both SCSI & USB interfaces. I've used this scanner
> with XPA & sane many years ago with the SCSI interface -- it worked with
> SCSI. I'm using the USB interface now.
> I did some searching on the Internet and I didn't see any definite
> answer. I don't know if this is a sane issue or a USB one. dmesg and
> /var/log/messages yield no error messages or warnings.
> I use OpenSUSE 11.1 with the following packages:
> # rpm -qa |grep sane
> Any help would be greatly appreciated.
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