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• Ensure that CUPS is installed and started.
• Ensure that the SAMBA4 client packages are installed (SAMBA 3 will not work). If your distribution does not include a default smb.conf config file (usually in /etc/samba), you will need to follow your distribution's instructions to create a default smb.conf .

• Edit the Samba config file (usually /etc/samba/smb.conf) to contain the following two directives in the "[global]" section:

            client min protocol = SMB2
            client max protocol = SMB3
      

• Ensure the following symlink exists:

  Code Block
  language bash
  /usr/lib/cups/backend/smb → /usr/bin/smbspool

• If using the PaperCut installers, ensure that CURL is installed.
• If using the PaperCut installers, obtain the installer packages from CNF Computing.

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• For HP printers, we recommend installing the hplip package if available for your distro. Otherwise, your configuration may use generic postscript drivers lacking some of the printer features.

Installing

Make sure you have satisifed the above pre-requisites.

RedHat/Debian/Ubuntu/Mint - PaperCut installers (Recommended)

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RedHat

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1. Install additinoal pre-requsities:
   
   1. python3
   2. gnome-terminal
   3. curl
   4. Java8 JRE

   5. 1. sudo add-apt-repository ppa:webupd8team/java

      2. sudo apt-get update

      3. sudo apt-get install oracle-java8-installer

2. Install the Debian Net-Print package itself.

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1. You may need to manually run this from the commandline as follows (eg permissions problems adding the printer):
   

   sudo /opt/netprint/client/install_netprintpc_printer.pl -g

2. For the "Department", select "RS-CNF"
3. You will see multiple "Find-Me" print queues listed at the top of the list of printers. The specific CNF printers are listed at the bottom of the list.

ArchLinux - PaperCut installers (Recommended)

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Start CUPS via: 

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Install yaourt:

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As a non-root user, install dpkg:

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Run, as root, the Net-Print installer:

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RedHat - Printer configuration GUI

1. Start the Printer configuration tool at System - Administration - Printing
2. Click New
3. Enter the administrative password
4. You do not need to adjust the firewall or attempt to List available devices

5. For the "device URI", you will use these UNIX SMB URIs :

   Printer Name	UNIX SMB URI	Accessible by
   Cad Room	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-cad-1cCNF_Phillips_CAD_Color_Laserjet	CNF Users & Staff
   Togging	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-togging-2cCNF_Duffield_Togging_Color_Laserjet	CNF Users & Staff
   Visitor Office	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-gradofficeCNF_Duffield_Grad_Ofc_Color_Laserjet	Staff & Users with Visitor Office Access
   Konica	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-konica-colorCNF_Duffield_Copier_Color	CNF Staff Only
   LJ4700Office 250	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-prnt250ljCNF_Duffield_250_Color_Laserjet	CNF Users during normal CNF office business hours (CNF Staff anytime)
   Office 262	smb://win2.net-printrs-cnf-wp1.cnf.cornell.edu/cnf-prnt262CNF_Duffield_262_Color_Laserjet	CNF Staff Only

   
   

6. If a driver is not found, you will have to download a driver via the printer gui or separately from the manufacturer's website.

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The CUPS printer GUI is located at the following URL:

        http://localhost:631

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Use the UNIX SMB URIs from the above  "RedHat - Printer configuration GUI" section.
Enable authentication for the print queue
If you cannot enable authentication via the CUPS web gui, edit file /etc/cups/printers.conf to add a line for the NetPrint queue:
AuthInfoRequired username,password
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Download a PPD for the model of printer
Get the SMB URI for the printer from the sections above
As root or sudo'ed, run the following command (substituting in for the brackets)
lpadmin -p <your_name_for_the_print_queue> -E -P </path/to/PPD-file> -o auth-info-required=username,password -v '<SMB URI>'
 
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Post-Installation Optional Steps
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Fixing LibreOffice Cannot Print
With the new CNF Thin service available beginning November 2019, printing in LibreOffice works. You do not need to do anything other than print.
If you are using an older version of LibreOffice, follow the below You will not be able to print from LibreOffice without performing the following steps:
Start LibreOffice
Under the Tools menu, choose Options.
In the Options window, under "LibreOffice", choose "Advanced".
Check "Enable experimental features".
Click OK.
Go back to Tools menu and Options.
Under "LibreOffice", choose "General".
Uncheck "Use LibreOffice dialogs" under the "Print dialogs" heading.
Click "OK".
Printing from LibreOffice now works.