https://bugs.freedesktop.org/show_bug.cgi?id=77265

          Priority: medium
            Bug ID: 77265
          Assignee: libreoffice-bugs@lists.freedesktop.org
           Summary: Possible LibreOffice Duplex Printing Bug
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: fobe...@enteract.com
          Hardware: x86-64 (AMD64)
            Status: UNCONFIRMED
           Version: 4.3.0.0.alpha0+ Master
         Component: Printing and PDF export
           Product: LibreOffice

I'm using the following:
64 bit Ubuntu 12.04.3 LTS
LibreOffice Version: 4.3.0.0.alpha0+ Build ID:
be4035d00f37c492494fa7860955b6d0868c7f77
  (This is required because of some bugs in 4.2 and below that affect me)
HP OfficeJet 6700 (w/Dual sided printing set as default)
CUPS 1.5.3
HP-LIP 3.14.4

Symptoms differ depending on whether the OS Printing dialog or LibreOffice
printing dialog is in use. I'll take these one by one.

When printing a single page in LibreOffice apps, using the Operating System
printing dialogs, the following is true:

a) I'm unable to select "current page" on the General tab, but must enter a
specific page number under "Pages."
b) I am able to select "one-sided" on the Layout tab. (Proper behavior)
c) I've tested this in Writer, Draw and Impress. The labelling is somewhat
inconsistent, but they all act the same. I didn't attempt to use Calc just
because I got tired of experimenting.
d) Even so, once the single page is printed, the paper is "sucked back in" and
fed through a second time. Nothing prints of course, but this is actually a
potentially serious problem under some conditions which I'll explain
momentarily.
e) Of importance, I think, is the fact that the left margin (on a landscape
page - obviously this would be the top margin on a portrait page) is larger
than it would typically be for a single sided page. Many printers I've had,
including the current HP-6700 need to "reserve" some space (I guess to grab the
paper) when printing double-sided. This belief by the printer that it is
*supposed* to be printing in double sided mode might help to narrow down where
the difficulty is.

When printing a single page in LibreOffice apps, using the LibreOffice printing
dialogs, the following is true:
a) I AM able to select "current page" and, in fact, the current page (or slide)
number is entered in the box for me. (Proper behavior)
b) The Properties tab seems to "hang" while loading (mostly just the outline of
the new sub-dialog box is displayed), although I've found that if you click the
mouse somewhere on the header, it immediately appears completely.
c) Attempting to select "off" under the Duplex options (i.e. single sided)
causes blinking and flashing that's hard to describe, but I've very rarely been
able to select "off" using the mouse as the cursor/highlight just keeps
bouncing around. If, however, I just use the arrow keys, everything works.
d) When the single page is printed, the printer does not attempt to suck the
paper back in. (Proper behavior)
e) On identical pages, using the LibreOffice dialogs permits the entire content
to be printed without cutting off the left edge of the landscape pages. (Proper
behavior)

The reason this is more important than the extra three second or so return trip
through the paper flipper is that Hewlett-Packard (and other printer
manufacturers) do not recommend using double sided printing when using stock
above a certain thickness (e.g. card stock) because doing so raises the
likelihood of jamming the mechanism. With a default setting of double sided
(and why else would I have purchased a double sided printer?), when I need to
print on card stock, the chances of forgetting to set one-sided would be my
fault, but if I set it and the driver ignores that setting, that (I believe) is
a bug.

It would seem that simply using only the LibreOffice dialogs would be a
reasonable work-around, the flashing and needing to move between the mouse and
keyboard unnecessarily is just trading one annoyance for another.

To be fair, this problem might appear as if it could be caused by Ubuntu, CUPS,
HP-LIP, or LibreOffice, but I believe I've narrowed it down to LibreOffice
simply because I don't experience these problems when printing from several
other applications I regularly use. But I acknowledge that it might be caused
by some weird interactions among the aforementioned applications.

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