[sane-devel] UMAX Astra 2200 USB weirdness
Tue, 17 Jun 2003 00:39:15 -0700 (PDT)
Sorry for taking so long to respond...
It definately works better (or worse) if I adjust the
scan resolution. I set resolution set to 100 and did
not have any problems. I normally expect to run into
problems after about 2-3 scans and never get more than
5 scans without problems. After adjusting the
resolution to 100 I scanned more than 10 times without
a single problem. Then I played around with other
resolutions and ran into problems with any resloution
setting I chose.
Changing selected areas does not seem to affect
results in any circumstance.
I have also noticed another thing that is worth
mentioning. At one point when the xsane seemed to be
stuck I tried unplugging the scanner from the USB
port. I was expecting xsane to fail and close down.
What actually did happen was that the complete scanned
image instantly popped up in the viewer and xsane was
running as if nothing has happened. Just for fun I
tried it couple more times and had the same results
each time. It appears to me that that the scan is
essentially complete at the point that it is freezing.
--- Oliver Rauch <email@example.com> wrote:
> Please can you find out if this depends on the
> selected area (or size) and the selected resolution.
> On Friday 13 June 2003 09:33, ope wrote:
> > I have an UMAX Astra 2200 scanner that I
> connecting to
> > through USB. My problem is basically this:
> > When I use xsane I can preview as many times as I
> > without any problems. However, once I actually
> try to
> > scan I sometimes have success and sometimes don't.
> > When I can't successfully scan what happens is
> > the scanner runs, the lamp moves completely down
> > back again, the 'REceiving RGB Data' progress bar
> > just about complete and then xsane completely
> > Sometimes if I just leave it for 5-10 minutes the
> > scanned image eventually pops up other times I can
> > leave it for more than an hour and the application
> > still frozen.
> > Here is what I see in messages:
> > kernel: hub.c: USB new device connect on bus2/2,
> > assigned device number 7
> > kernel: usb.c: USB device 7 (vend/prod
> > is not claimed by any active driver.
> > kernel: usb.c: registered new driver usbscanner
> > kernel: scanner.c: 0.4.6:USB Scanner Driver
> > kernel: usb_control/bulk_msg: timeout
> > last message repeated 2 times
> > last message repeated 3 times
> > ...
> > kernel: scanner.c: read_scanner(0): excessive
> > received
> > sane-find-scanner shows:
> > found USB scanner (vendor=0x1606, product=0x0230)
> > /dev/usb/scanner0
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