[lug] Black bar between pages when printing 2 pages/sheet.

[stimits at comcast.net]

Oops...I first replied to one of the people in this thread instead of to the thread, so someone will get a double copy of this. Here it is again.

I can do that (masochistic examination of source code PS) if you will send a PS file which was formatted for n-up
and printed to file. The HP always uses PCL, often they have poor PS
interpreter emulations. So try directly submitting a PS file to the
printer which was created via print to file. Give me a short PS file
and I might be able to track the problem to be in the PostScript or
elsewhere.

FYI, if you have a printer that accepts other protocols, e.g., can copy directly to it via FTP or submit via a web interface, you can bypass the CUPS drivers and see how it works that way.

D. Stimits, stimits AT comcast DOT net

----- Original Message -----
From: Thomas DiGennaro <thomasdigennaro at comcast.net>
To: 'Boulder (Colorado) Linux Users Group -- General Mailing List' <lug at lug.boulder.co.us>
Sent: Wed, 25 Aug 2010 15:25:10 -0000 (UTC)
Subject: Re: [lug] Black bar between pages when printing 2 pages/sheet.

Printer people!It is possible to inspect the Postscript
and discover the source of the error.  By hand or with tools.By hand is for the masochistic or the
expert. You can also use a trial version of Adobe
Acrobat (free for a month) to look at the Postscript as a page.If Acrobat shows the bars – they are
in the Postscript output of the printer driver.  And that is the most likely
culprit.  I suspect an error about background color. I’m a printer software guy from way
back. OzNow: 4dtext tools for website enhancement. From:
lug-bounces at lug.boulder.co.us [mailto:lug-bounces at lug.boulder.co.us] On Behalf Of Bruce Long
Sent: Wednesday, 25 August, 2010
8:43 AM
To: Boulder (Colorado) Linux Users Group -- General
Mailing List
Subject: Re: [lug] Black bar
between pages when printing 2 pages/sheet. I just tried to print
with psnup -4. There are black bars between pages and sometimes even between
lines.


I have tried printing a wide variety of ps and pdf files. Some I have printed
this way on various printers over the years. So I don't believe that the
problem would occur on your printer.


On Wed, Aug 25, 2010 at 8:33 AM, Davide Del Vento <davide.del.vento at gmail.com>
wrote:I don't have any clue about this, but have you tried 4 pages/sheet or

more? Just to see if and how the bars appear in those settings, which

might help understand the problem.

I find especially weird that you get it when printing a

single-page/sheet which was manually created by two pages! Have you

tried to print those 2-pages-in-a-single-page files somewhere else? If

not because you don't have other printers, send me the files and I'll

try on a few printers I access with CUPS from Ubuntu.

HTH,

Dav

On Wed, Aug 25, 2010 at 08:14, Bruce Long <qstream at gmail.com>
wrote:

> I have a shiny new HP 2320fxi color laser printer which I would like to
use

> to print booklets of source code.

>

> The problem is that when I print any file (e.g., ps or pdf) with two pages

> per sheet I get a thick black bar separating the two pages.

>

> Strangely, this occurs no matter how I try to get two pages/sheet. For

> example, if I rely on CUPS by using "-o number-up=2" I get the
black bar.

> But if I use psnup to create a ps file that is already formated to have
two

> pages/sheet I still have the black bar when I print. Interestingly, the

> black bar does NOT show up in print preview or in the evince document

> viewer.

>

> I haven't found any ideas via google. (Though I did find a lot of
"Black

> Bar-stools" and "Black Bars")

>

> --

> Give me immortality or give me death!

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