Tool offset issue

[kevinmanuel]

HI,

I've been offered a 1996 Novamill for a great price from a friend. He says that it runs fine other than a issue with the tool offsets.
He said 'you can cut a profile with one cutter then it does a tool change with the ATC and the next tool will run slightly out to the previous one.'What would you all say this issue is? A worn ballscrew? Something off with the electronics?I am trying to gauge how much the issue will cost me to repair and whether I can diagnose the issue before handing over my precious cash.


Please help.

I did not find the right solution from the internet.

References:-
http://www.denfordata.com/bb/viewtopic.php?f=41&t=5425
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Thanks