The solution was found by Rafał Mużyło in this bug:
https://bugs.gentoo.org/show_bug.cgi?id=380429
This is now fixed for 3.1.90.
To fix broken documents run the following:
simple-scan --fix-pdf ~/Documents/*.pdf
It should be safe to run this on all PDF documents but PLEASE BACKUP
FIRST. It will also copy the existing document to DocumentName.pdf~ so
you have those in case anything goes wrong.
If you can't wait for the next simple-scan, you can also run this Python
program (i.e. python fixpdf.py broken.pdf > fixed.pdf)
import sys
import re
lines = file (sys.argv[1]).readlines ()
xref_offset = int(lines[-2])
xref_offset = 0
for (n, line) in enumerate (lines):
# Fix PDF header and binary comment
if (n == 0 or n == 1) and line.startswith ('%%'):
xref_offset -= 1
line = line[1:]
# Fix xref format
match = re.match ('(\d\d\d\d\d\d\d\d\d\d) 0000 n\n', line)
if match != None:
offset = int (match.groups ()[0])
line = '%010d 00000 n \n' % (offset + xref_offset)
# Fix xref offset
if n == len(lines) - 2:
line = '%d\n' % (int (line) + xref_offset)
# Fix EOF marker
if n == len(lines) - 1 and line.startswith ('%%%%'):
line = line[2:]
print line,
** Bug watch added: Gentoo Bugzilla #380429
http://bugs.gentoo.org/show_bug.cgi?id=380429
** Changed in: simple-scan (Ubuntu)
Status: Triaged => Fix Committed
** Changed in: simple-scan
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/741628
Title:
simple-scan creates broken PDF's
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