Aurelien Jarno wrote:
It looks like your scanner has some problems to communicate with your
computer, even for simpler functions than scanning.
Hello Aurelien,
you were definitely right. Some further investigation turned out, that
the power supply of the USB-Hub coincidentally broke together
Hello Aurelien,
Aurelien Jarno wrote:
Carsten Maass a écrit :
Aurelien Jarno wrote:
# lsusb -v
cannot read device status, Protocol error (71)
Strange that you also get this error with libusb.
Could you please run strace lsusb -v and send me the result?
# strace lsusb -v
[snip]
Carsten Maass a écrit :
Aurelien Jarno wrote:
# lsusb -v
cannot read device status, Protocol error (71)
Strange that you also get this error with libusb.
Could you please run strace lsusb -v and send me the result?
# strace lsusb -v
[snip]
write(1, Bus 001 Device 004: ID
Package: libsane
Version: 1.0.18-3
Severity: important
My CanoScan N650U scanner doesn't work, allthough it gets listed by
sane-find-scanner:
# lsusb
Bus 001 Device 004: ID 04a9:2206 Canon, Inc. CanoScan N650U/N656U
Bus 001 Device 003: ID 04f9:0027 Brother Industries, Ltd
Bus 001 Device 002:
Carsten Maass a écrit :
Package: libsane
Version: 1.0.18-3
Severity: important
My CanoScan N650U scanner doesn't work, allthough it gets listed by
sane-find-scanner:
# lsusb
Bus 001 Device 004: ID 04a9:2206 Canon, Inc. CanoScan N650U/N656U
Bus 001 Device 003: ID 04f9:0027 Brother Industries,
Carsten Maass a écrit :
Aurelien Jarno wrote:
Carsten Maass a écrit :
Package: libsane
Version: 1.0.18-3
Severity: important
My CanoScan N650U scanner doesn't work, allthough it gets listed by
sane-find-scanner:
# lsusb
Bus 001 Device 004: ID 04a9:2206 Canon, Inc. CanoScan N650U/N656U
Bus
Aurelien Jarno wrote:
# lsusb -v
cannot read device status, Protocol error (71)
Strange that you also get this error with libusb.
Could you please run strace lsusb -v and send me the result?
# strace lsusb -v
execve(/usr/sbin/lsusb, [lsusb, -v], [/* 18 vars */]) = 0
uname({sys=Linux,
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