Oliver Schwartz writes:
> Hi all,
>
> I've received a report from a user who was left with a broken scanner
> after using the Epson 2480 in transparency mode in 2400 DPI with
> xsane. According to the report the scanner power light went red and
> the scanner "smelled hot". After power-cycling
Hi,
> I take it you are positive that this user used the snapscan backend
> when this happened. The epkowa backend also supports this scanner.
actually I'm not. All information that I have is the bug report here:
http://alioth.debian.org/tracker/?func=detail&atid=410366&aid=301692&group_id=30186
steven, i see this exact problem with certain fujitsu scanners. the
difficulty is that USB uses a 0/1 toggling bit during the data transmit
phase. when libusb closes the device, the device should reset the toggle
back to 0, the kernel does. subsequent transmissions should start with
toggle set
steven, do you have a trace of the windows operation of the device? if not
get one using benoit's usbsniffer, and see if the RSS data block is not
read from the other endpoint, and perhaps that is why you get nothing...
allan
On Sat, 21 May 2005, Steven Palm wrote:
> OK, although I will need t
Still working on the microtek2 backend stuff for libusb...
It seems that the odd issues I'm encountering will go away if I don't
ever close the USB device. If I leave it open for the duration of the
backend lifetime, scanimage -L will properly identify it. If I open
and close it for each ope
