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I had a shared printer working on my 19.10 Ubuntu, I used these advices to set it up, expecially this one (even because the suggested system-config-samba isn't anymore advailable with since 18.04)

The trick I had to do using CUPS without samba was to connect to the printer at http://[serverip]:631/printers/[printer-name-here] as opposed to trying to add a local port at the IP address of the server. – ernie Sep 28 '12 at 7:21

With all those settings and this simple http trick, it worked just fine for months, but for some unknow reason YESTERDAY it stopped. Any time I tried to connect from a(ny) Windows pc it always says it's impossible to reach.

The printer works fine from other Linux or Mac. So I uninstalled and reinstalled the printer in windows control pannel (as suggested in windows support site), the same error occured.

Oddly enough, after hours of googling, I couldn't find anything about this error...!

I wonder what happened.

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tebkanlo
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1 Answers1

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Lucky for me today I decided to follow this guide and by activating Samba via CLI everything works smoothly.

Ubuntu print server compatible with Windows (Samba)

If your Ubuntu print server shall be able to work also with Windows clients, you must first make sure that the SAMBA package is installed (e.g. using Synaptic package manager). Then, do a little configuration change to SAMBA. In brief, you must uncomment the following lines in /etc/samba/smb.conf - open terminal and run:

gksudo gedit /etc/samba/smb.conf

In the [printers] section:

browseable = yes
guest ok = yes

When done, restart Samba:

sudo service smbd restart
sudo service nmbd restart

There is a dedicated page in the official documentation which gives more details.

Also, one would want to allow the following ports through a firewall (ufw for example) via:

sudo ufw allow 139/tcp
sudo ufw allow 445/tcp
sudo ufw allow 137/udp
sudo ufw allow 138/udp

tebkanlo
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