[CentOS] Simple scan in CentOS 7

Tue Jun 16 17:08:24 UTC 2020
H <agents at meddatainc.com>

On 06/15/2020 08:58 PM, Fred Smith wrote:
> On Mon, Jun 15, 2020 at 04:28:17PM -0400, H wrote:
>> I just installed C7 on a new computer and despite Simple Scan being installed as part of C7, I have not been able to get it to recognize my Canon scanner connected to a USB port. I did have it running on another computer with C7 so there should not be any inherent issues.
>>
>> On a lark I installed gscan2pdf and sane-backends-drivers-scanners and sane-find-scanner found it:
>>
>> found USB scanner (vendor=0x04a9 [Canon], product=0x1908 [CanoScan]) at libusb:001:010
>>
>> I perused my notes for the old computer but did not see I installed any additional software to get it going but I might be wrong.
>>
>> What have I missed?
>>
> On my C7 box, simple-scan requires libsane. try: ldd simple-scan |grep -i sane.
>
> # ldd /usr/bin/simple-scan | grep -i sane
> 	libsane.so.1 => /lib64/libsane.so.1 (0x00007f3668291000)
>
>
> ldd doesn't show any other sane dependencies, but I'd sorta think
> that simple-scan would also need sane-backends as well. Here's all
> the sane things I have installed, FYI:
>
> # ldd /usr/bin/simple-scan | grep -i sane
> 	libsane.so.1 => /lib64/libsane.so.1 (0x00007f3668291000)
> [root at fcshome log]# yum list installed | grep -i sane
> libsane-hpaio.x86_64                  3.15.9-5.el7               @base          
> sane-backends.x86_64                  1.0.24-12.el7              @base          
> sane-backends-devel.i686              1.0.24-12.el7              @base          
> sane-backends-devel.x86_64            1.0.24-12.el7              @base          
> sane-backends-doc.noarch              1.0.24-12.el7              @base          
> sane-backends-drivers-cameras.i686    1.0.24-12.el7              @base          
> sane-backends-drivers-cameras.x86_64  1.0.24-12.el7              @base          
> sane-backends-drivers-scanners.i686   1.0.24-12.el7              @base          
> sane-backends-drivers-scanners.x86_64 1.0.24-12.el7              @base          
> sane-backends-libs.i686               1.0.24-12.el7              @base          
> sane-backends-libs.x86_64             1.0.24-12.el7              @base          
> sane-frontends.x86_64                 1.0.14-19.el7              @base          
> xsane.x86_64                          0.999-9.el7                @base          
> xsane-common.x86_64                   0.999-9.el7                @base          
> xsane-gimp.x86_64                     0.999-9.el7                @base
>
> also FYI, I'm using a Canon LiDE 210, which works fine for me.
>
> Good luck!
>
> Fred
>
I get:

#ldd /usr/bin/simple-scan | grep -i sane
    libsane.so.1 => /lib64/libsane.so.1 (0x00007f0d4ab47000)

and

#yum list installed | grep -i sane
perl-Sane.x86_64                       0.05-8.el7.nux              @nux-dextop 
sane-backends.x86_64                   1.0.24-12.el7               @base       
sane-backends-drivers-scanners.x86_64  1.0.24-12.el7               @base       
sane-backends-libs.x86_64              1.0.24-12.el7               @base       
sane-frontends.x86_64                  1.0.14-19.el7               @base