I get the same Error 70... with or without a memory card inserted, with or without ML. If i try to take a picture i get the Busy message and red light until i remove the battery.
https://www.dropbox.com/s/t9ve2f8yby8arco/Screenshot%202015-04-22%2010.41.38.png?dl=0
https://www.dropbox.com/s/ut3i8vcp34xpo3i/Screenshot%202015-04-22%2010.41.51.png?dl=0
https://www.dropbox.com/s/m3mpwri48gk8jeg/Screenshot%202015-04-22%2010.42.00.png?dl=0
https://www.dropbox.com/s/47njwqitqmg14h0/Screenshot%202015-04-22%2010.43.09.png?dl=0
Here a few of the examples of the artifacts i get.
https://www.dropbox.com/s/t9ve2f8yby8arco/Screenshot%202015-04-22%2010.41.38.png?dl=0
https://www.dropbox.com/s/ut3i8vcp34xpo3i/Screenshot%202015-04-22%2010.41.51.png?dl=0
https://www.dropbox.com/s/m3mpwri48gk8jeg/Screenshot%202015-04-22%2010.42.00.png?dl=0
https://www.dropbox.com/s/47njwqitqmg14h0/Screenshot%202015-04-22%2010.43.09.png?dl=0
Here a few of the examples of the artifacts i get.