the problem is very likely caused by a USB timeout. The USB
scanner driver does not wait long enough for data - or the
EPSON scanners are a little to slow to send the first byte
of data after a "Start scan" command.
You can fix this yourself if you are willing to recompile your
kernel: Edit the file linux/driver/usb/scanner.h and look for
a line that starts with
#define RD_NAK_TIMEOUT (10*HZ)
Change the 10 to 20 and everything should work.
You can find this information also on my FAQ page at
On Thu, Dec 28, 2000 at 12:21:06AM +0100, Per Aalrust wrote:
> Hi everybody,
> I have been working for a while with sane 1.0.3 (epson backend V0.1.35)
> and the above named scanner. If scanning full size in color mode the
> and/or the usb-port sometimes crashes?! On the command line I get the
> "[epson] error in receive - status = 5" (sometimes 9 instead of 5).
> After that error I have to do a reset, because there is no way to do any
> further scanning. Linux is still alive, but the scanner and sane hangs.
> Scanning in gray and binary mode works fine so far.
> Anybody out here who has a good idea that helps?
> Best regards
> Source code, list archive, and docs: http://www.mostang.com/sane/
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