Xerox copiers alter numbers

[Dos_Box]

I wonder how many in the scientific and engineering community now have to do a lot of checking to see if plans they have sent out are correct?

 

Photocopiers made by Xerox are changing numbers on documents, a German computer scientist has discovered.

David Kriesel found that copies he made of construction plans had altered room dimensions.

 

BBC News - Confused Xerox copiers rewrite documents, expert finds

[Geoff]

Lossy compression leads to data loss. Hardly news.

[Dos_Box]

Lossy compression leads to data loss. Hardly news.

 

I'll bet there are a few Xerox owners out there that would disagree with you there Geoff

[unixman_again]

So long as it produces good copies of your arse, I don't see it as being a problem!

[Geoff]

I'll bet there are a few Xerox owners out there that would disagree with you there Geoff

 

Only happens when you muck with the settings (which have a big fat warning on them) and change them away from the defaults. The defaults for JBIG2 compression are set to lossless.

 

http://www.dkriesel.com/_media/blog/2013/colorqube.jpg

Edited August 7, 2013 by Geoff

[TecD]

So has anyone been affected by this?

[6Foot2]

Link: BBC News - Xerox to update scan software after switched number outcry

[Arthur]

Patch now available for some Xerox copiers...

 

www.office.xerox.com/scanning-software-patch/enus.html