I don't know if this will be of any help to you. We have an Anapurna Mv which was purchased in December 2008. It is kind of the predecessor of the Mw and, I believe, very similar in construction. Ours has been a very decent machine, no major issues, short of replacement of two print heads, which, in all reality is a wear item in my book. While we do not run ours full out like a lot of shops, it runs an average of 20-25 hours a week, so we are coming up on owning it 8 years in December.
It seems to be very reliable, occasional issues, but with great thanks to this list and members, I've not had an actual service call since the warranty expired after the first year.
With white ink added to the equation, that may change the dynamic, as white is touchy, I've told.
Your mileage may vary. Feel free to PM me with any questions, I'd be glad to try and help.
Ken Miller