[cups.general] duplex doesn't work - please help

[Helmut Jarausch]

Johannes Meixner wrote:
> Hello,
> 
> On Apr 5 05:38 Helmut Jarausch wrote (shortened):
> 
>>On both, an HP 2300dn and an HP 4050N,
>>the option sides=two-sided-long-edge seems to get ignored.
>>
>>I have configured these for duplex printing.
>>
>>lphelp shows
>>   2-Sided Printing:  -o Duplex=<choice>
>>
>>      <choice> can be one of the following:
>>
>>      None  (Off (1-Sided))
>>====> DuplexNoTumble  (Flip on Long Edge (Standard), default)
>>      DuplexTumble  (Flip on Short Edge)
> 
> 
> What about using the option as indicated, i.e.:
> 
> lp -d <queue> -o Duplex=DuplexNoTumble file.ps

No, this doesn't help either, but see below
> 
> Do you create your documents using pstutils (pstops, psnup, ...)?
> If yes, then note that pstutils makes wrong PostScript DSC comments
> which results that some printer options which are set by PostScript
> code snippets do no longer work.

Yes, my test file was created by pstops - I need that ( 8 pages to 1 
double-sided page).

So, what are DSC comments and is it save to remove them?

Many thanks,
Helmut

Helmut Jarausch
RWTH-Aachen University
Germany