Black Lines / Streaks Returned Today
A client had this problem two weeks ago and using the registry fix (the link below) the problem went away, but as of today it has returned.
Acrobat Reader DC prints streaks after upgrading to Windows 10 Anniversary update
I can confirm that the registry edit is still there. It was fine on Thursday 27th October 2016 but today, 1st November 2016, it has returned. Today the machine received three updates, two were for Windows 10, one of these was a cumulative update, and one was for Adobe Flash player. I am guessing one of these Microsoft patches has caused Adobe Acrobat Reader DC to stop working correctly again?
This is what the invoices are printing out as:

