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Questions tagged [cups]

CUPS stands for Common Unix Printing System. It has been in use by major Linux distributions for user-friendly printing services for about a decade and was purchased by Apple Inc in 2007 when it was purchased from Michael Sweet. CUPS was notable in providing a web-based administrative interface to the Linux printing system and was considered a vast improvement over the old lpadmin CLI tools of the time.

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CUPS printers discovered via browsing appear as ///dev/null

I have two servers on the same subnet, one CUPS server and one that needs to access printers configured on the CUPS server. CUPS browsing seems to be partially working, but according to lpstat on the client, the devices are ///dev/null instead of an…
Nic
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CUPS Negotiate authentication woes

I have been struggling to Kerberize certain services within our domain, one of which is CUPS. The setup is as follows: a central print server connects to each individual printer around the domain and shares them, and each client connects to certain…
Robin McCorkell
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Failed to find user 'avahi'

So I'm trying to setup CUPS + AirPrint support and one of the packages required is Avahi. I have installed it via ipkg, and have tried running the daemon, however I get the following error. Failed to find user 'avahi' How can I fix this?
Imran
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SELinux preventing cups-pdf output to samba shared directory

I want to setup an cups-pdf printer to print PDFs to a samba shared directory but SELinux denies cups access to the shared directory. (cups needs to write to a local FS directory which is hosted as a windows share by samba running on the same…
Chris
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print PDFs to printer (NOT "pdf printer")

I'm looking for a solution, either win or linux, for printing existing PDFs to network printers (available via our windows print server), preferrably by a 'hot folder' means where I could programatically or manually add PDFs to a folder for "printer…
Alan M
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Delay in CUPS socket backend

Using the raw driver to send pre-generated PCL directly to the printer, I get response times around 4 s. When I send it to the printer using netcat I get about 300 ms. It seems that there is some problem with CUPS' socket backend:…
AndreKR
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Why do lp and lpr return unauthorized?

I'm running Ubuntu 10.04 with latest updates. Here are my system's protections for lp and lpr. root@steamboy:/usr/bin# ls -l lp -rwxr-xr-x 1 root root 13540 2011-09-12 10:41 lp root@steamboy:/usr/bin# ls -l lpr -rwxr-xr-x 1 root root 13540…
octopusgrabbus
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SAMBA CUPS Samsung ML-191x two printers exact model both wont distinguish which is connected on which port

I have installed a version of Cent0S 6.02 with SAMBA and CUPS 1.4.8 installed, I have two Samsung ML-191x that I need to install in the server so anyone can access the, both printer, if installed separately work very well everone can print to them…
Samuel Lopez
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python-cups for CentOS5

I'm try to activate airprint support on CentOS5. I found this guide, but the airprint-generate python script needs cups support. It seems this script needs the python-cups lib. How can I install this lib on CentOS 5 64bit?
InuYaksa
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cups won't install

I had to remove cups from my machine to do some tests. I juste removed it with apt-get purge cups but now I can't install it again, so I can't print. I have never seen such an error, can someone give me some explanations about what's happening ? (I…
PatrickCUDO
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Printing fails after first print with Centos 6 and HP LaserJet P3015dn printer

Centos 6 recognises and configures a HP LaserJet P3015dn printer connected via USB. This machine is being configured as a small group file/print server. I can print a test page, which is processed/printed correctly. The next time printing is…
Gavin Simpson
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CUPS printing compressed

Our apllicatuion send ascii files to the printer. This application indicates with Ctrl-O at starting that the printer should print in 132 columns. I can define a printer pr01 for 80-col printing and pr01-132 for 132 col printing and set the default…
PeterMmm
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CUPS wont start on LTSP client

I have attempted to install CUPS on an LTSP fat client. Both the client and the server are running Ubuntu 9.10 and cups runs fine on the server. When I try to start it on a client I get this: root@ltsp52:~# service cups start * Starting Common…
rybl
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CUPS printer on Vritual Machine can be access via CUPS admin, but not by XP?

I have a Zebra label printer connected to a Linux Mint virtual machine. It was set up with CUPS and a Windows XP computer can then print to it via http://192.168.1.76:632/printers/labelprinter. That was all fine and dandy I then hooked up a Fargo…
SJaguar13
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How to set up email printer driver under IPP?

We're enhancing our software to be able to print to an IPP-based printer (I'm running CUPS on a RedHat-based Linux distro). The QA person is remote, though, and because of firewalls and proxy servers we cannot configure the IPP-server to use a…
Joe Casadonte
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