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authorJohn Terpstra <jht@samba.org>2002-11-29 03:00:55 +0000
committerJohn Terpstra <jht@samba.org>2002-11-29 03:00:55 +0000
commitb0da6b40892cbadf90dab84efe6910c33d145ba3 (patch)
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parentf3e3a56ea9085b186af24b0b4e911863fd9ceacc (diff)
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Another update from Kurt Pfeifle.
(This used to be commit 52e68c129553479e2c126654d98a2eb4fa76b291)
Diffstat (limited to 'docs')
-rw-r--r--docs/textdocs/CUPS-PrintingInfo.txt67
1 files changed, 66 insertions, 1 deletions
diff --git a/docs/textdocs/CUPS-PrintingInfo.txt b/docs/textdocs/CUPS-PrintingInfo.txt
index c6713cb7a9..6f76d788f1 100644
--- a/docs/textdocs/CUPS-PrintingInfo.txt
+++ b/docs/textdocs/CUPS-PrintingInfo.txt
@@ -1,4 +1,4 @@
-There are Four (4) Extracts here from mail in the Samba Mailing List.
+There are Five (5) Extracts here from mail in the Samba Mailing List.
The key contribution here is from Kurt Pfeifle.
I added them to this repository in the hope that someone would find the information helpful.
@@ -1026,3 +1026,68 @@ as compared to the Adobe drivers?
* the CUPS PostScript driver will be the heart of the fully fledged CUPS
IPP client for Windows NT/2k/XP to be released soon (probably alongside
the first Beta release for CUPS 1.2).
+
+==============================================================================
+<<< EXTANT 5 >>>
+==============================================================================
+Subject: Printing with Bells and Whistles
+=========================================
+
+May I suggest a radically different approach to your problem?
+
+* Let the Windows Clients use a PostScript driver, to produce
+ PostScript as their print output sent towards the Samba print
+ server (just like any Linux or Unix Client would also use
+ PostScript to send to the server...)
+
+* make the Unix printing subsystem which is underneath Samba
+ convert the incoming PostScript files to the native print
+ format of the target printers (would likely be PCL?
+ I understand you have mainly HP models?)
+
+* You're afraid, that this would just mean a *Generic* PostScript
+ driver for the clients? With no Simplex/Duplex selection,
+ no paper tray choice? But you need them to be able to set up
+ their jobs, ringing all the bells and whistles of the printers?
+
+ --> Not possible with traditional spooling systems!
+
+ --> But perfectly supported by CUPS (which uses "PPD" files to
+ describe how to control the print options for PostScript and
+ non-PostScript devices alike...
+
+ CUPS PPDs are working perfectly on Windows
+ clients who use Adobe PostScript drivers (or the new CUPS
+ PostScript driver for Windows NT/2K/XP). Clients can use
+ them to setup the job to their liking and CUPS will use
+ the received job options to make the (PCL-, ESC/P- or
+ PostScript-) printer behave as required.
+
+* You want to have the additional benefit of page count logging
+ and accounting? In this case the CUPS PostScript driver
+ is the best choice (better than the Adobe one).
+
+* You want to make the drivers downloadable for the clients?
+ "cupsaddsmb" is your friend. It will setup the [print$]
+ share on the Samba host to be ready to serve the clients
+ for a "point and print" driver installation...
+
+"What strings are attached?", I hear you asking...
+
+You are right, there are some. But, given the sheer CPU power
+you can buy nowadays in German supermarkets, these can be
+overcome easily.
+
+The strings: Well, if the
+CUPS/Samba side will have to print a *lot* onto 40 printers
+serving 500 users, you probably will need to set up a second
+server (which can do automatic load balancing with the first
+one, plus a degree of fail-over mechanism). Converting the
+incoming PostScript jobs, "interpreting" them for
+non-PostScript printers, amounts to the work of a "RIP"
+(Raster Image Processor) done in software. This requires
+more CPU and RAM than for the mere "raw spooling" task
+your current setup is solving... It all depends on the
+avarage and peak printing load the server should be
+able to handle....
+