*** This bug is a duplicate of bug 1184699 ***
https://bugs.launchpad.net/bugs/1184699
> IIRC I read a similar report about having to reconnect the USB cable
for each scan somewhere.
bug 1184699 with over a dozen confirmations, marking as duplicate
Of course, Christopher is busy expiring that as well for the benefit of
noone. Cause, well, that's the only thing he knows how to do, it seems.
** This bug has been marked a duplicate of bug 1184699
Canon LIDE 110 can only scan once, then I need to replug the usb cable
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https://bugs.launchpad.net/bugs/1536504
Title:
Canon i-Sensys scan only once, need to replug the usb cable
Status in sane-backends package in Ubuntu:
New
Bug description:
I have a Canon MF 4570 and MF 4730, which works by default on ubuntu
15.10 and ubuntu 14.04.3 with packages sane-backends.
The problem is after first scan, I can not scan for second time. I
need to reconnect the USB cable to use the scanner again.
$ scanimage -L
device `pixma:04A92736_000000000000' is a CANON Canon i-SENSYS MF4500 Series
multi-function peripheral
lsusb
Bus 004 Device 002: ID 8087:8000 Intel Corp.
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:8008 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 002: ID 0502:3318 Acer, Inc.
Bus 001 Device 010: ID 04a9:2736 Canon, Inc. I-SENSYS MF4550d
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ scanimage --test -d pixma:04A92736_000000000000
scanimage: scanning image of size 640x877 pixels at 24 bits/pixel
scanimage: acquiring RGB frame, 8 bits/sample
scanimage: reading one scanline, 1920 bytes... PASS
scanimage: reading one byte... PASS
scanimage: stepped read, 2 bytes... PASS
scanimage: stepped read, 4 bytes... PASS
scanimage: stepped read, 8 bytes... PASS
.....
scanimage: stepped read, 7 bytes... PASS
scanimage: stepped read, 3 bytes... PASS
$ scanimage --test -d pixma:04A92736_000000000000
scanimage: scanning image of size 640x877 pixels at 24 bits/pixel
scanimage: acquiring RGB frame, 8 bits/sample
scanimage: reading one scanline, 1920 bytes... FAIL Error: Error
during device I/O
After replug USB to 2.0 OR 3.0 port
scanimage --test -d pixma:04A92736_000000000000
scanimage: scanning image of size 640x877 pixels at 24 bits/pixel
scanimage: acquiring RGB frame, 8 bits/sample
scanimage: reading one scanline, 1920 bytes... PASS
scanimage: reading one byte... PASS
scanimage: stepped read, 2 bytes... PASS
scanimage: stepped read, 4 bytes... PASS
scanimage: stepped read, 8 bytes... PASS
scanimage: stepped read, 16 bytes... PASS
$ uname -a && cat /etc/issue
Linux ExMachine 4.2.0-25-generic #30-Ubuntu SMP Mon Jan 18 12:31:50 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 15.10 \n \l
$ dpkg -l | grep sane
ii libsane:amd64 1.0.25+git20150528-1ubuntu2
amd64 API library for scanners
ii libsane-common 1.0.25+git20150528-1ubuntu2
all API library for scanners -- documentation and
support files
ii libsane-hpaio 3.15.7-0ubuntu4
amd64 HP SANE backend for multi-function peripherals
ii libsane-perl 0.05-2build2
amd64 Perl bindings for the SANE (Scanner Access Now
Easy) Project
ii sane 1.0.14-11
amd64 scanner graphical frontends
ii sane-utils 1.0.25+git20150528-1ubuntu2
amd64 API library for scanners -- utilities
I guess that does not close USB port after the completion of the scan.
While using hack present
http://askubuntu.com/questions/278473/canon-lide-110-should-reconnect-usb-for-each-scan
Like problem already be post bugreport
https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1184699
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