4f4e9508_scanned_documents___D__Kriesel__What_happened
[Date] August 11 [What happened] 
On a Xerox WorkCentre 7545, all three compression modes seem to be affected. A user reports the same using a WC 7655. In these cases, numbers seem to be mangled independently from the compression mode, which makes the issue hard to avoid. See blog post.
Xerox scanners/photocopiers randomly alter numbers in scanned documents · D. Kriesel
What happened