I have an Epson Stylus 7450 All-In-One type printer. The last time that
I tried to scan anything, a few months ago, everything worked just fine.
I did my scanning from within the GIMP. Yesterday, when I tried to
scan a document, it would not work.
When I select (from the GIMP main menu):
File/Acquire/xscanimage/epkowa:libusb:004.003
I get a popup window with the message:
Failed to open device 'epkowa:libusb:004.003'. Invalid argument.
The only option is a large 'OK' button, which causes the window to close
and does nothing else.
I remember having trouble getting the correct udev rules to get the
scanner working in the first place. I don't think there were any rules
for the Vendor/Product combination. When I just ran grep in the
/etc/udev/rules.d directory, however, looking for the product number, I
get the following results:
:/etc/udev/rules.d$ grep 0838 *
z60_libsane-extras.rules:SYSFS{idVendor}=="04b8",
SYSFS{idProduct}=="0838", MODE="0664", GROUP="scanner",
ENV{libsane_matched}="yes"
z60_libsane.rules:SYSFS{idVendor}=="04b8", SYSFS{idProduct}=="0838",
MODE="664", GROUP="scanner"
z60_libsane.rules:#SYSFS{idVendor}=="04b8", SYSFS{idProduct}=="0838",
MODE="664", GROUP="scanner", ENV{libsane_matched}="yes"
z60_libsane.rules.dpkg-new:SYSFS{idVendor}=="04b8",
SYSFS{idProduct}=="0838", MODE="0664", GROUP="scanner",
ENV{libsane_matched}="yes"
I'm not certain which of those rules is the one that I put in, but now
there are three more. Is the problem a conflict caused by the multiple
rules? Do I need to remove some of them? Which ones? I don't know
enough about udev to answer these questions, myself.
All help greatly appreciated.
Marc
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