Fanuc M-16I RJ3 Controller Help

Dear everyone,
I have just bought an M-16i with RJ3 controller. I have no idea how to use it or maintenance or fix it. The robot sold as unknow condition. I would like to ask if there are any manual, maintenance service guide ( book ), please someone be kind send it to me. I have no idea why i am in love with robot. I have bought kawasaki, denso and now fanuc.....atleast they are at junkyard ready to be recycle if i am not recuse them. Please help me with any thing you can give so i can start to learn Fanuc robot.
Thank you very much
Trung