Question : Problem: A Sony AIT-3 Drive displays a Message 94 or 84 and stops working when attempting to read/write a tape

A Sony AIT-3 Drive in a LIB 81 Data Library displays a Message 94 or 84 and stops working when attempting to read/write a tape . . . any idea what this message numbers mean?  I have searched for hours looking for what these messages/codes mean.

Answer : Problem: A Sony AIT-3 Drive displays a Message 94 or 84 and stops working when attempting to read/write a tape

According to the manual (page 99)

     http://www.sony.net/Products/storagesolution/documents/manual_pdf/4-666-480/466648018.pdf

"If the XX code is 3x, 4x, 5x or 72, insert a new AIT data cartridge into the library after cleaning the drive. For details, refer to Cleaning the AIT Drive (page 63). If the code is CE, see the explanation below. IF THE CODE IS A CODE OTHER THAN THOSE EXPLAINED ABOVE, CONTACT YOUR DEALER."

So it looks like Sony does not publish this information : (