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Table of Contents

• Printing
  • General
  • Known problems
  • Default Printer
  • List of printers at the Institut
  • Quota
    • Students
    • Employees and PhD Students
  • Uncollected Printing
  • Color Printing
  • Poster Printing
  • Restart of the print server
  • Printing with the laptop running Linux/Macintosh
    • After LION OSX (10.7 and higher)
    • Before LION OSX (before 10.7) / Linux
  • Printing with a laptop running Windows
  • Printing with MS Windows
  • Printing via command line
  • Direct Printing
  • Other pages

Printing¶

General¶

Printing is possible via the common software interfaces(e.g. evince, okular, libreoffice, etc.). Please note, that you need to send the printing command only once. If there is a problem, causing the printer to stop working properly, it is unlikely to be solved by pressing "print" multiple times and you might end up with multiple copies of the same document after the problem is solved.

On this website
http://prtsrv.uni-math.gwdg.de:631/printers
you can find a list of printers and their status

Known problems¶

Some PDF-Files aren't printed.
Solution: Expression has to be changed in ps file with option Postscript level2. Then apply ps2ps to the resulting file. Print the result with lpr <file name>.
See also here

Default Printer¶

A default printer is usually assigned to each user. The default printer is nearest printer to the office you used as you got your account. If no default printer is assigned, then it should be set to "kopier" by the system. If you are not sure which printer is set as your default printer, it might be helpful to enter "echo $PRINTER" in a terminal.
Since it is quite complex to set the default printer for all circumstances (even if some hints and programs telling you something else) you have to send a support request to change your default printer.

List of printers at the Institut¶

Only the publicly accessible printers and no workplace printers are listed.

Printer name	Location	Type	Colour	doppelseitig	IP	Comment
http://pgrad.uni-math.gwdg.de	Graduiertenkolleg Lotzestr	HP LaserJet 4015dn		x	89
http://pneben.uni-math.gwdg.de	Nebengebaeude	Minolta		x	88
http://kopier.uni-math.gwdg.de	Main Building Kopierraum H002	Minolta		x	83
http://kopiera3.uni-math.gwdg.de	Main Building Kopierraum H002	Minolta		x	83	A3
http://ckopier.uni-math.gwdg.de	Main Building Kopierraum H002	Minolta	x	x	83	A4 color
http://ckopiera3.uni-math.gwdg.de	Main Building Kopierraum H002	Minolta	x	x	83	A3 Color
http://kopier2.uni-math.gwdg.de	Main Building Office Math. Institut H209	Minolta		x	85
http://ckopier2.uni-math.gwdg.de	Main Building Office Math. Institut	Minolta	x	x	85
http://pwitt.uni-math.gwdg.de	Main Building in front of Prof. Witt	Minolta		x	78
http://psprech.uni-math.gwdg.de	Main Building Sprechzimmer Bibliothek	HP LaserJet 4015 - one side only		x	87
http://color3.uni-math.gwdg.de	Main Building H008	HP Color LaserJet 5550dn	x	x	82	A3 color
http://color4.uni-math.gwdg.de	Main Building H008	Dell 5110cn	x	x	77	A4 color

Also, now one sided printing can be done on two-sided printers. The queue then has the additional 'single' option, e.g. "doublesingle" or "doppelsingle". The double-sided printers can print documents in different binding directions. The additional keyword book allows printing as it is needed for an A5 book.

Quota¶

Students¶

There should be a little window in your account showing your money. Every semester, there is a free 10 Euro quota. If you need additional money on your account, you can load your personal quota at the StudIT office (room 209), the quota for 200 extra pages is 5 Euro.

Employees and PhD Students¶

There is no quota, but we ask you to avoid unnecessary printing to save the environment.

Additional Information http://wiki.student.uni-goettingen.de/support/drucken

Uncollected Printing¶

Print jobs processed on the printer in room 008 are collected regularly and are sometimes stored in the brochure holder located next to the printers on the wall. Before reporting a supposedly lost print job, look there.

Color Printing¶

For color printing, you can use the printers: "ckopier".

Poster Printing¶

We have a A2 / A1 Inkjet Poster Printer Canon IPF 610. It is operated only by the system administrator. The document should be available as PDF at least 4 working days before. The printer is able to enlarge A4 size to A2 or A1. If the poster contains images in a pixel format (jpg, TIFF, png) you can achieved slightly better print quality by changing the document into the target format.

If you wish to print a poster, you should indicate this in a Support-Request as early as possible. At least 4 business days before printing. Then if there are problems is enough time to print the poster document at the GWDG.

A0 prints must be carried out at the GWDG. An account (Eduroam) is needed to do this. Also, plenty of [Druckarbeitseinheiten] must be available.

see:

https://www.gwdg.de/general-services-print-scan-services/large-format-printing

An A0 poster on the queue "Poster" costs 0.55 AE's. A poster high quality of Canon poster printer costs 0.7 AE's. These posters have to be registered with us and will be printed and billed in the presence of the customer by us.

Restart of the print server¶

The print server will restart from time to time. All hanging jobs are deleted then.

Printing with the laptop running Linux/Macintosh¶

After LION OSX (10.7 and higher)¶

Cups works differently there.

System Control
 Printing and Scanning
 + (Enter admin password)
  IP 
   134.76.82.54 (names don't work)
   Choose ipp-Protocol
   printers/<desired printer>
   Location - Set if you want
   Printing driver: always Postscript

http://lapserv.maths.cam.ac.uk/docs/osxprint108.html

Alternatively you can use the Bonjour Protocol:

http://www.informatik.uni-hamburg.de/RZ/netz/drucken/macosx.shtml

Before LION OSX (before 10.7) / Linux¶

Variant 1: Only public printers

If you won't connect your computer to printers other than the ones managed by the printing server of the Mathematicial Institute:

1. Go to the file client.conf (create it if it isn't there):
   

   Debian: /etc/cups/client.conf
   Mac: /private/etc/cups/client.conf
   

2. Open it as root and look for the entry #ServerName myhost.domain.com (if it isn't there, just insert the next line).
3. Replace it with: ServerName prtsrv2.uni-math.gwdg.de and save.
4. Restart cups: Debian: "/etc/init.d/cusys restart" or "service cups restart" Mac: No action needed

Variant 2: Public and private printers

If you also want to use printers other than the ones managed by the printing server of the Mathematical Institute:

1. Open the following file with a text editor (as root/admin):
   

   Debian: /etc/cups/cupsd.conf
   Mac: /private/etc/cups/cupsd.conf
   

2. Find the entry
   

   Browsing Off
   

   
   and change it to
   

   Browsing On
   

3. Add the entry
   

   BrowsePoll prtsrv2.uni-math.gwdg.de:631
   

4. Restart Cups:
   

   Debian: /etc/init.d/cusys restart
   Mac: No action needed
   

Root under Macintosh
Login as an Administrator and enter sudo passwd root. Then enter the password
Or sudo bash then enter the password.

Printing with a laptop running Windows¶

I. Windows XP und CUPS as an example

You want to use the printer persatz. Find it in this list:

https://prtsrv2.uni-math.gwdg.de:631/printers/

Now the CUPS printer is configured in Windows XP.

"Add Start / Printers and Faxes / Printers" 
"Next" 
"Network printer or printer that is connected to computer" 
"Connect to a printer on the Internet or home / office network" 
URL is here

https://prtsrv2.uni-math.gwdg.de:631/printers/persatz

and click "Continue" ("Weiter")

Now select the appropriate printer driver ...
(In our example, the model of printer HP LaserJet 4100)
  If you want to use the printer as the default printer, you should select the next "Yes" - if not then "No" 
"Finish" 

Modified from: http://www.math.tu-berlin.de/Rechnerbetrieb/Forschungsbereich/Dienste/Drucken/windows/index.html

Printing with MS Windows¶

I. MS Windows and CUPS

You want to use pneben Search this printer in the list:

https://prtsrv2.uni-math.gwdg.de:631/printers/

Follow these steps with your Windows device:

"Start" 
"Add Printer" 
"Continue" 
"Network printer or local connected printer" 
"Connect to a printer in the network" 

You have to use this URL

http://prtsrv2.uni-math.gwdg.de:631/printers/pneben

then "Continue"

Choose the driver for the printer ...
(for example Modell HP LaserJet 4100.)

You will be asked: Use this printer as standard printer YES or NO

"Finish" 

Printing via command line¶

The basic commands:

• Print document
  

  lpr <FILENAME>
  
  or
  
  lpr -P <PRINTERNAME> <FILENAME>
  

• show standard printer:
  

  lpstat -d
  

• set standard printer:
  

  lpoptions -d <PRINTERNAME>    
  
  The settings will be saved in
  
  ~/.cups/lpoptions 
  
  

• Display the current print jobs of the print server:
  

  lpstat [-t]
  
  bzw.
  
  lpq -P <PRINTERNAME>
  

• delete print job:
  

  cancel <JOBID>
  
  or without <JOBID> to delete all your print jobs.
  

• Cancel print XY
  

  cancel XYZ
  

• show printlimit
  

  printlimit
  

  
  oder
  

  repykota --printer printers
  

Many Types of files will be recognized automatically, eg Text(ASCII), PostScript (ps), dvi, pdf and jpg. Every other File has to be printed direct from an application (eg LibreOffice Documents) or has to be converted. More information you can get via man cancel, man lpstat, man lpoptions and here

Direct Printing¶

If printing is not working, please enter the following command to print directly:

lp -d Nameoftheprinter Inputfile.ps/.pdf

Nameoftheprinter should be replaced by the name of the printer, while Inputfile.ps/.pdf should be replaced by the type of document *.ps or *.pdf.

Other pages¶

• miprintingproblemsen

Keywords:

Printer
Printing
cups