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Printers at the Department of Computer Science.

Room	Name	Restrictions	Type/Model	Additional information
A335 (copying room)	ps5	X	HP Color LaserJet 3700DTN	colour Laserjet optional two-sided printing optional printing on transparencies Only use the following transparencies: HP Color Laserjet Transparencies (C2936A). Never use any other transparencies
D244 (copying room)	ps6	X	Xerox Document Centre 535	multi-purpose appliance features: A3/A4 stationery, two-sided printing, stapling, perforation, postponed printing scanning, documents are sent by e-mail
C226 (mailroom)	ps7	X	HP Color LaserJet 5500DN	colour laser jet printing A4 and A3 stationery (no transparencies) Manually feed A3 (in tray 1) optional two-sided printing
C226 (mailroom)	ps8		HP LaserJet 8150DN	optional two-sided printing
DK105 (outside class DK117)	ps11		HP Color LaserJet 4500N	colour laser jet optional two-sided printing optional printing on transparencies Only use the following transparencies: HP Color Laserjet Transparencies (C2936A). Never use any other transparencies
DK110 (24h computer classroom)	ps12		HP LaserJet 8150DN	optional two-sided printing
D216 (corridor)	ps32		HP Laserjet 4300DTN	optional two-sided printing
C127 (course folders)	ps37		HP LaserJet 2500N	Colour Laserjet
A335 (copying room)	ps38	X	Xerox Document Centre 535	multi-purpose appliance features: A3/A4 stationery, two-sided printing, stapling, perforation, postponed printing
B121 (computer classroom)	ps39		HP Laserjet 4250DTN	optional two-sided printing
BK107 (computer classroom)	ps40		HP Laserjet 4250DTN	optional two-sided printing
B221	ps41		HP Laserjet 4250DTN	optional two-sided printing
A208 (corridor)	ps42		HP Color LaserJet 3700DTN	colour Laserjet optional two-sided printing optional printing on transparencies Only use the following transparencies: HP Color Laserjet Transparencies (C2936A). Never use any other transparencies

Tips for printing

Only print what you need, on both sides and/or many pages on one paper.
- With the Ghostview program (gv in Linux), you can choose which pages to print from the postscript file.
- You can print two-sided with option –t in Linux mpage. With the mpage command, you can also specify the number of pages to print on each paper. As an example, to print two pages on one paper, two-sided, on printer ps2, write: mpage -Pps2 -2 -t file.ps . However, mpage does not always work, see postscript problems.
- Do not print large black-and-white jobs on a colour laser, because they are more expensive to use. You can print coloured files on a black-and-white printer, if the colours are not necessary.
Look at a preview of the document you are about to print.
- Do not use the printer for previews; instead, use the preview feature of the program. Output into the postscript file and open it with Ghostview to check the final format.
If you are printing but something goes wrong, please remove your job from the printer queue.
- In Linux, you can remove your job with the command lprm. As an example, remove all your own jobs from the printer queue to ps4 with the command lprm –Pps4 - .
- In Windows, remove your job by clicking the following: Start -> Settings -> Printers. Double click the correct printer. Choose the job(s) to remove. Document -> Cancel.
- You can cancel your job at the last minute with the ‘cancel job’ button on the printer (not available on all printers).
Fetch your document(s).
- Always pick up your job from the printer. Put the cover paper in the recycling bin. Arrange jobs that have not been picked up close to the printer on a table or shelf, in overlapping layers so that the username on each cover paper is visible.

itsupport@cs.helsinki.fi

Department of Computer Science

Department information

Printers at the Department of Computer Science.

Tips for printing