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1
Scanning / Re: c480w scanner not detected anymore
« Last post by bchemnet on September 11, 2021, 19:17:03 »
Any idea what changed?

No.  Nothing in these packages has changed, unless you manually updated to a different driver version.  I suggest using
Code: [Select]
apt list --installed > ~/installedpackages.txt

on both your desktop and laptop, then using diff to identify what Ubuntu-provided packages may have been updated on one but not the other.
2
Scanning / c480w scanner not detected anymore
« Last post by agre on September 10, 2021, 05:16:29 »
Code: [Select]
Description:    Ubuntu 20.04.3 LTS
Release:        20.04
Codename:       focal

I used the c480w scanning feature via network quite a lot but it stopped working on my desktop.

Network discovery is showing the printer:
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$ /opt/Samsung/mfp/bin/netdiscovery -s --snmp
# DEBUG: Network printers discovery utility
ip: 192.168.178.49  slp: 0,0,0,0 snmp: 1,1,0 vendor: Samsung dsc: "C48x Series"

But sane doesn't (it is showing on the laptop - also Kubuntu):
Code: [Select]
$ sudo sane-find-scanner

  # 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.

  # No USB scanners found. If you expected something different, make sure that
  # you have loaded a kernel driver for your USB host controller and have setup
  # the USB system correctly. See man sane-usb for details.

  # Not checking for parallel port scanners.

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

Any idea what changed?
3
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by ellepdesk on August 27, 2021, 14:13:58 »
Well, it does work, but it is not for the faint of heart.
The main problem is that it requires setting up sources for amd64 corresponding to the distribution you are running. This will differ fron distro to distro, and there are quite a lot of variants around.

There is definitely something wrong with my debian config, I'll have a look later, I'll mark it as broken for now.
4
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by markosjal on August 27, 2021, 14:06:58 »
I think this is a serious case of "Pi in the Sky" as it does not work, even with the "updated instructions". (English in quotes)

root@raspberrypi:/etc/apt/sources.list.d# apt install suld-driver2-1.00.39:amd64
Leyendo lista de paquetes... Hecho (reading...)
Creando árbol de dependencias        (Creating dependency tree...)
Leyendo la información de estado... Hecho (reading state...)
No se pudieron instalar algunos paquetes. Esto puede significar que (could not instrall some packages, this could mean that)
usted pidió una situación imposible o, si está usando la distribución
inestable, que algunos paquetes necesarios aún no se han creado o se
han sacado de «Incoming».  (you asked for an impossible situation or you are using ...)
La siguiente información puede ayudar a resolver la situación: (the following may be helpful...)

Los siguientes paquetes tienen dependencias incumplidas: (...incomplete dependencies...)
 suld-driver2-1.00.39:amd64 : Depende: libxml2:amd64 pero no va a instalarse
                              Depende: libstdc++6:amd64 pero no va a instalarse
                              Depende: libusb-0.1-4:amd64 pero no va a instalarse
                              Depende: libcupsimage2:amd64 pero no va a instalarse
E: No se pudieron corregir los problemas, usted ha retenido paquetes rotos. (unable to correct problems)

Using Raspbian debian stretch


I have  created /etc/apt/sources.list.d/debian-arm64.list

which  contains:
deb [arch=amd64] http://deb.debian.org/debian stretch main
deb [arch=amd64] http://deb.debian.org/debian-security/ stretch-security main
deb [arch=amd64] http://deb.debian.org/debian stretch-updates main

on apt-get update I see..

Err:13 http://deb.debian.org/debian-security stretch-security/main amd64 Packages
  404  Not Found [IP: 2a04:4e42:64::644 80]

W: El repositorio «http://deb.debian.org/debian-security stretch-security Release» no tiene un fichero de Publicación.
N: Los datos de un repositorio como este no se pueden autenticar y por tanto su uso es potencialmente peligroso.
N: Vea la página de manual apt-secure(8) para los detalles sobre la creación de repositorios y la configuración de usuarios.
W: Error de GPG: http://deb.debian.org/debian stretch-updates InRelease: Las firmas siguientes no se pudieron verificar porque su clave pública no está disponible: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138
W: El repositorio «http://deb.debian.org/debian stretch-updates InRelease» no está firmado.
N: Los datos de un repositorio como este no se pueden autenticar y por tanto su uso es potencialmente peligroso.
N: Vea la página de manual apt-secure(8) para los detalles sobre la creación de repositorios y la configuración de usuarios.
W: Error de GPG: http://deb.debian.org/debian stretch Release: Las firmas siguientes no se pudieron verificar porque su clave pública no está disponible: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY EF0F382A1A7B6500
W: El repositorio «http://deb.debian.org/debian stretch Release» no está firmado.
N: Los datos de un repositorio como este no se pueden autenticar y por tanto su uso es potencialmente peligroso.
N: Vea la página de manual apt-secure(8) para los detalles sobre la creación de repositorios y la configuración de usuarios.
E: Fallo al obtener http://deb.debian.org/debian-security/dists/stretch-security/main/binary-amd64/Packages  404  Not Found [IP: 2a04:4e42:64::644 80]
E: No se han podido descargar algunos archivos de índice, se han omitido, o se han utilizado unos antiguos en su lugar.



now to try and undo the damage.....

5
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by ellepdesk on August 24, 2021, 02:40:00 »
I think that

deb [arch=amd64] http://deb.debian.org/debian buster main

or maybe

deb [arch=amd64] http://deb.debian.org/debian buster main contrib

should be enough to work

I also found that adding [arch=arm64] after 'deb' to the existing repos cleans up a lot of the 'doesn't support architecture' warnings
6
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by ellepdesk on August 23, 2021, 14:20:29 »
Hmm,  I'll have a good look tomorrow, in the meantime can you try removing the second and third line and try again?
7
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by schluppschlupp on August 23, 2021, 10:52:39 »
Hmm... tough ride here... I had to solve some GPG errors first, but now I get this:

root@pi4-pios-nas:~# apt-get update
Hit:1 http://deb.debian.org/debian buster InRelease
Hit:2 http://repository.spotify.com stable InRelease                                                                                                                                                         
Ign:3 http://deb.debian.org/debian-security buster-security InRelease                                                                                                                                         
Hit:4 http://archive.raspberrypi.org/debian buster InRelease                                                                                                                                                 
Hit:5 https://dtcooper.github.io/raspotify raspotify InRelease                                                         
Get:6 http://deb.debian.org/debian buster-updates InRelease [51.9 kB]                                                 
Hit:7 http://raspbian.raspberrypi.org/raspbian buster InRelease                                               
Err:8 http://deb.debian.org/debian-security buster-security Release       
  404  Not Found [IP: 151.101.14.132 80]
Hit:9 https://www.bchemnet.com/suldr debian InRelease
Get:10 http://deb.debian.org/debian buster-updates/main amd64 Packages [15.2 kB]
Get:11 http://deb.debian.org/debian buster-updates/main Translation-en [13.9 kB]
Reading package lists... Done       
E: The repository 'http://deb.debian.org/debian-security buster-security Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Skipping acquire of configured file 'non-free/binary-armhf/Packages' as repository 'http://repository.spotify.com stable InRelease' doesn't support architecture 'armhf'
N: Skipping acquire of configured file 'main/binary-amd64/Packages' as repository 'https://dtcooper.github.io/raspotify raspotify InRelease' doesn't support architecture 'amd64'
N: Skipping acquire of configured file 'main/binary-amd64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'amd64'
N: Skipping acquire of configured file 'contrib/binary-amd64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'amd64'
N: Skipping acquire of configured file 'non-free/binary-amd64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'amd64'
N: Skipping acquire of configured file 'rpi/binary-amd64/Packages' as repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' doesn't support architecture 'amd64'

Tried to install anyway, and got the same error as above :( Any help is very much appreciated!
8
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by ellepdesk on August 23, 2021, 10:20:34 »
Ok, so your distro is based on debian buster.

I think you need to add the following lines to a new file, '/etc/apt/sources.list.d/debian-arm64.list':

deb [arch=amd64] http://deb.debian.org/debian buster main
# deb [arch=amd64] http://deb.debian.org/debian-security/ buster-security main
# deb [arch=amd64] http://deb.debian.org/debian buster-updates main

This will add the main debian repositories for buster to you system, but only for amd64 packages.
run 'apt update' after adding the file and try installing suld again.


For my own system, which is based on ubuntu focal, I've added the file '/etc/atp/sources.list.d/ubuntu-amd64.list' with the content:
deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ focal main
deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ focal-updates main
deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ focal-security main
9
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by schluppschlupp on August 23, 2021, 10:09:13 »

Many thanks for the quick response! Please find below the requested data:

root@pi4-pios-nas:~# cat /etc/apt/sources.list
deb http://raspbian.raspberrypi.org/raspbian/ buster main contrib non-free rpi

root@pi4-pios-nas:~# ls -l /etc/apt/sources.list.d/
total 20
-rw-r--r-- 1 root root 187 Jan 11  2021 raspi.list
-rw-r--r-- 1 root root  56 Aug 11 09:50 raspotify.list
-rw-r--r-- 1 root root  50 Aug 11 09:46 spotify.list
-rw-r--r-- 1 root root  62 Aug 23 15:58 suldr.list

root@pi4-pios-nas:~# cat /etc/apt/sources.list.d/*
deb http://archive.raspberrypi.org/debian/ buster main
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://archive.raspberrypi.org/debian/ buster main
deb https://dtcooper.github.io/raspotify raspotify main
deb http://repository.spotify.com stable non-free
deb [arch=amd64] https://www.bchemnet.com/suldr/ debian extra

Cheers, Jürgen
10
Printing / Re: Howto enable SULD drivers on rasberrypi
« Last post by ellepdesk on August 23, 2021, 09:46:32 »
This is probably due to the fact that there is no repository configured for amd64 packages.

Can you post the content of '/etc/apt/sources.list' and all/any files in '/etc/apt/sources.list.d/'?

You will need to add a source for amd64 sources, matching the version of your os.
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