Hargobind Khalsa on Hacking the Tassimo - Part 2: Breaking the Code

First off, I'm almost certain that S6 from the first article is a standard checksum used by 2 of 5. When putting just S1-S5 into a barcode app and telling it to add the checksum number the proper S6 is appended, so I think se can safely assume that S6 is just a checksum and focus on S1-S5.

Also, it doesn't seem to me to