[sane-devel] Network detection fails to find Canon Scanner

[Thierry Huchard]

Le 2023-03-29 12:38, Harvey Nimmo a écrit :
> On Wed, 2023-03-29 at 00:56 +0200, Thierry Huchard wrote:
>> Le 2023-03-28 19:49, Harvey Nimmo a écrit :
>> > I downloaded the rpm of sane-airscan and treid to install it.
>> > Unfortunately, a library (libc.so.6 (GLIBC_2.34)/64 bit) is missing
>> > so
>> > that the installation could not be completed.
>> > What could I do about that?
>> >
>> Hi,
>> 
>> Can you try this, it is the scangearmp2 version which includes the
>> sane
>> backend.
>> you should be able to use simple-scan or xsane.
>> 
>> https://download.opensuse.org/repositories/home:/thierry1970/15.4/x86_64/
>> 
>> Thierry
> Hi Thiery,
> scangearmp2-4.20-1 is installed. Neither simple-scan nor xsane find the
> scanner.
scangearmp2 4.20 does not support scanners of the GX6000 series, this is 
the case with version scangearmp2 4.40.

Thierry
> 
> simple-scan returns:
> [12:27:50.038785] [bjnp] udp_command: ERROR - no data received (timeout
> = 10000)
> [12:27:50.038938] [bjnp] bjnp_init_device_structure: Cannot read mac
> address, skipping this scanner
> [12:27:51.941786] [bjnp] udp_command: ERROR - no data received (timeout
> = 10000)
> [12:27:51.941952] [bjnp] bjnp_init_device_structure: Cannot read mac
> address, skipping this scanner
> xsane returns:
> [12:28:46.519643] [bjnp] udp_command: ERROR - no data received (timeout
> = 10000)
> [12:28:46.519814] [bjnp] bjnp_init_device_structure: Cannot read mac
> address, skipping this scanner
> 
> These both fail, irrespective of whether my desktop firewall is running
> or not.
> 
> scangearpm2 finds the scanner only if my desktop firewall is not
> running.
> 
> I wonder if there is a problem with port forwarding in my router? but
> which ports apply?
> 
> Cheers
> Harvey