https://bugs.kde.org/show_bug.cgi?id=464020
Bug ID: 464020
Summary: okular shows just black pages for long scanned
documents
Classification: Applications
Product: okular
Version: 21.12.3
Platform: OpenSUSE
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: okular-de...@kde.org
Reporter: th...@riessner.de
Target Milestone: ---
Created attachment 155120
--> https://bugs.kde.org/attachment.cgi?id=155120&action=edit
scan of the cups test-print, which shows only black pages in okular
since we have a new printer/scanner in our office (cannon imageRUNNER ADVANCE
DX C5840i) , most scans (mostly more than one page long, but sometimes also
one-pagers) are shown with just black pages in okular. Some, mostly small scans
are shown correct. Other PDF-viewers display all documents correct. Even the
preview, when I hover over a PDF Document in the file-browser is shown correct.
It doesn't make a difference, whether the document is just black-white or
color.
During scanning I can choose the PDF Format (1.4, 1.5, PDF-A, …) but it doesn’t
make any difference.
Attached is documents (the same sheet of paper scanned three times) that shows
just the black pages. The same sheet of paper scanned only once shows correctly
in okular.
STEPS TO REPRODUCE
1. Scan document with above mentioned scanner
2. open document in okular
OBSERVED RESULT
just black pages (but the right number ob pages)
EXPECTED RESULT
see the document
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: openSuSE Leap 15.4
(available in About System)
KDE Plasma Version: 5.24.4
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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