[sane-devel] sane-devel Digest, Vol 165, Issue 11

Bill 624wtl at gmail.com
Sun Mar 10 21:35:57 GMT 2019


I added your repository and files and after got this:
$ sudo sane-find-scanner
[sudo] password for bill:
   # 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 [Canon], product=0x1856 [TS6200 
series]) at libusb:001:006
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
   # 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 -L
device `pixma:04A91856_30644B' is a CANON Canon PIXMA TS6200 Series 
multi-function peripheral
device `canon_pixma:libusb:001:006' is a CANON TS6200 series flatbed scanner

     With my usb connection, all of the issues that I had listed in my 
original post 
have been resolved, except that, for Xsane/Advance Options, pressing 
“Update button state” has no affect and the other 5 sliders/windows are 
grayed out; however, I haven’t explored the “button” thing yet.  After 
configuring Xsane/Setup optimally for the photos that I was scanning, 
the scanned images look great at all resolutions thru 1200 ppi.

     After testing scanimage, simple scan, and xsane I have the 
following observations and questions:
For scanimage scan:  Results from this scan of a 4” x 6” (152.4mm x 
101.6mm) photo has a resolution of 75 ppi.  Is there a way to get higher 
resolutions with this command?  I didn’t see any here: 
For simple scan:  With 4” x 6” photo oriented Landscape at upper right 
corner of the platen, the scanned image is cut off on the right side, 
showing a 4” x 4” Landscape image in the upper portion of a 4” x 6” 
Portrait frame.  If I position the photo oriented Portrait at the upper 
right corner of the platen, the scanned image fills the 4” x 6” Portrait 
frame, which can then be rotated 90* and saved in the Landscape 
orientation.  Not sure if this was intended, or not.
For Xsane scan:  With the 4” x 6” photo oriented Landscape, and a “full 
size” “Acquire preview” done, the 4” x 6” image is shown Landscape at 
the upper left as expected.  But if, instead of “full size”, I select  
4” x 6”, the “Acquire preview” is a 4” x 4” Landscape image, with the 
right side cut off.  Re-orienting the photo as above for simple scan has 
the same outcome.  Again, not sure if this was intended, or not.

Lastly, what is the difference between the setting in Xsane 
Setup/Copy/Scan Resolution and Xsane Main menu/Set scan resolution?  
Does the Main menu supersede the Setup settings?

How do I delete “device `canon_pixma:libusb:001:006' is a CANON TS6200 
series flatbed scanner”?

Should I proceed with the WiFi setup?

Thanks for the quick response and excellent fix!
Kind regards,

On 3/9/19 7:00 AM, sane-devel-request at alioth-lists.debian.net wrote:
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> Today's Topics:
>     1. Re: Xsane --> Canon Pixma scanner problems (Rolf Bensch)
> ----------------------------------------------------------------------
> Message: 1
> Date: Sat, 9 Mar 2019 10:05:29 +0100
> From: Rolf Bensch <rolf at bensch-online.de>
> To: Olaf Meeuwissen <paddy-hack at member.fsf.org>,
> 	thierry at ordissimo.com, Bill <624wtl at gmail.com>
> Cc: Sane Development <sane-devel at alioth-lists.debian.net>
> Subject: Re: [sane-devel] Xsane --> Canon Pixma scanner problems
> Message-ID: <e46a6044-a794-54a5-dcaf-04b687f13526 at bensch-online.de>
> Content-Type: text/plain; charset=utf-8
> Hi,
> Yesterday I merged the merge request bachends/!43. You can update SANE
> from my Ubuntu ppa
> (https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-git) later today.
> Please report if the scanner is working with SANE, especially scans >
> 600dpi.
> Before you start with WiFi connection, please test USB first.
> Hope this helps.
> Cheers,
> Rolf
> Am 05.03.19 um 11:56 schrieb Olaf Meeuwissen:
>> Hi thierry
>> thierry at ordissimo.com writes:
>>> [... in response to adding support for a currently unsupported model ...]
>>> I find it unfortunate that the backend pixma does not take input usb-id.
>>> The pixma driver supports all printer scanners:
>>>    canon pixma ts and canon pixma mg.
>>> Currently you have to add it directly in the code.
>> I assume that the pixma backend maintainer would welcome a patch adding
>> support for this ;-)
>> Hope this helps,
>> --
>> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
>>   GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
>>   Support Free Software                        https://my.fsf.org/donate
>>   Join the Free Software Foundation              https://my.fsf.org/join
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