[okular] [Bug 403148] New: Cannot print in original size to paper printer

[Henning]

https://bugs.kde.org/show_bug.cgi?id=403148

            Bug ID: 403148
           Summary: Cannot print in original size to paper printer
           Product: okular
           Version: 1.4.3
          Platform: Kubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: printing
          Assignee: okular-devel at kde.org
          Reporter: h.lorch at gmx.de
  Target Milestone: ---

SUMMARY
- With Okular, I am not able to print a pdf (page size A4) in 100% on my paper
printer. My printer is a Brother MFC9142CDN, CUPS wrapper, network printer. It
always scales to the printable area.
- LibreOffice 6.1.2.1 is able to print in original size. Yet I had to install
the manufacturer's proprietary printer driver (with CUPS wrapper) to be able to
get an originally sized output.
- Other pdf viewers, e.g. evince, also fail.
- Printing to a pdf file in KDE always works fine.

STEPS TO REPRODUCE
1. Install a network printer.
2. Produce a document with a graphical object in LibreOffice, export as Pdf.
3. Print from LibreOffice (set original size output) and from PDF viewer, print
to printer and to Pdf file, try modifying paper margins. Measure the graphical
object's size on paper with a ruler, in the printed Pdf with a Pdf viewer that
features a ruler (e.g. LibreOffice Draw).

OBSERVED RESULT
I could only succeed with printing from LibreOffice using a proprietary printer
driver for my network printer.

EXPECTED RESULT
- Scaling option in print dialog
- paper print in original size

SOFTWARE/OS VERSIONS
Windows: 
MacOS: 
Linux/KDE Plasma: KUbuntu 18.10 / KDE 5.13.5
(available in About System)
KDE Plasma Version: 5.13.5
KDE Frameworks Version: 5.50.0
Qt Version: 5.11.1

ADDITIONAL INFORMATION

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