printer

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Hi. Got all the binaries for ghostscript, however getting
undefined-symbol-type errors in libpng. Every time I run ghostscript I
get: Error in loading shared libraries: libpng.so.3: undefined symbol
_dso_handle. This also happens when I try to run hpijs. Also, I attempted
to compile a2ps, but got errors related to a missing
/usr/local/a2ps-4.13/runrunflex. I checked the web page, but didn't find
any references to dependencies. Any ideas as to why this may be happening?
Thanks!  On Thu, 11 Apr 2002, Kerry Hoath wrote:

> No you run a2ps pipe that to ghostscript
> and tell ghostscript to print to the printer.
> Basically printers in Linux are like printers in dos, if your application wants to
> print stuff it needs a driver or set of programs to do so.
> ghostscript is the most common.
> On LInux systems you usually run a print spooler like lpr or lprng
> rather than dumping stuff out the port. This way you can print from windows to the
> box and also queue up print jobs.
> Normally the file is piped to lpr like this:
> cat foo.ps|lpr
> the spooling system runs a special magic filter to decide what to do with the file
> and what filters to run. An example is "the file is postscript
> render it to deskjet output" or "This is dvi
> run it through dvilj"
> You configure this in /etc/printcap.
> If you only want to print from a windows box just install lprng
> samba and the right drivers under windows and windows can send
> raw dj output to the print system which should pass it through
> unmodified to the printer.
> Windows has a system called uniprint which handles the
> device independant nature of windows printing. I hear cups can do this for
> Linux but I don't know specifics.
> Basically you just hit file print under Windows and the
> operating system handles the icky details of format conversion from word to
> the control set required by your printer.
> Under LInux you do it yourself witha little help from some scripts but normally
> you need to know what is going on behind the sceens,
> "This printer prints pcl so to get from text to pcl we go text to postscript with a2ps then ps to pcl with ghostscript."
> I should read the printing howto sometime see what it says, but I had my printers set up
> back in 1993 before that document came out.
>
> Regards, Kerry.
> On Wed, Apr 10, 2002 at 08:00:22PM -0400, Igor Gueths wrote:
> > Hi all. Well dug up ghostscript, libjpeg, libpng, and zlib 1.13 and built
> > them. I also got hpijs, because the printing howto had mentioned something
> > along the lines of that it contained the deskjet driver (s). If I were to
> > load the deskjet module
> > (s), what would the filenames be? I'll keep looking around but I didn't
> > see anything related to deskjet. But once I do this I can just dig up
> > something like a2ps and pipe it to lp0 using lpr? Thanks!
> >
> >
> > _______________________________________________
> > Speakup mailing list
> > Speakup at braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> >
>
> --
> Kerry Hoath:  kerry at gotss.net kerry at gotss.eu.org or  kerry at gotss.spice.net.au
> ICQ: 8226547 msn: kerry at gotss.net Yahoo: kerryhoath at yahoo.com.au
>
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> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
>





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