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Old 01-14-2019, 12:57 PM   #1
jnojr
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Registered: Sep 2007
Location: San Diego, CA
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Question Scanner problems


I'm running Ubuntu 18.04.1 I have a Canon imageClass MF416dw I can print to it. I cannot scan from it, via USB or over the network.

Over USB, I can see the device:

Code:
joliver@blinky:~$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 1bcf:2985 Sunplus Innovation Technology Inc. Laptop Integrated Webcam HD
Bus 002 Device 005: ID 04a9:27c0 Canon, Inc. 
Bus 002 Device 004: ID 0000:0538  
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
sane-find-scanner can see it:

Code:
joliver@blinky:~$ sudo sane-find-scanner 
[sudo] password for joliver: 

  # sane-find-scanner will now attempt to detect your scanner. If the
  # result is different from what you expected, first make sure your
  # scanner is powered up and properly connected to your computer.

  # No SCSI scanners found. If you expected something different, make sure that
  # you have loaded a kernel SCSI driver for your SCSI adapter.

found USB scanner (vendor=0x04a9 [Language Error], product=0x27c0 [Language Error]) at libusb:002:005
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.
scanimage cannot:

Code:
joliver@blinky:~$ SANE_DEBUG_PIXMA=10 scanimage -L
[sanei_debug] Setting debug level of pixma to 10.
[pixma] pixma is compiled with pthread support.
[pixma] pixma version 0.17.37
[pixma] pixma_find_scanners() found 0 devices

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).
Over the network, the pixma backend does talk to and from the scanner, but says it cannot find it.

Trace file

The SANE mailing list has been of no help, unfortunately. Really hoping someone can give some ideas!
 
Old 01-15-2019, 07:50 AM   #2
goldennuggets
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Registered: Feb 2003
Location: Ohio, USA
Distribution: Kali, Kubuntu, Slackware
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I'm not familiar with this particular scanner/printer. However, I did some digging and found this interesting exchange:
https://askubuntu.com/questions/9767...scanner/977677

In particular, you could consider adding the SANE ppa to and upgrading the SANE package to the dev version which might help. I know the discussion I linked to is for a different model of Canon printer, but the issue appears very similar and the latest SANE package may have updates that you currently do not have in Ubunutu 18.04.
 
  


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