+1 on Mearussi's reply.
The only thing I can add,is,be careful on who you buy your ink from.
I used Precision Color inks on my pro-1 ,for over a year,and my results,were a perfect match to OEM,and PC inks tech support ,was outstanding.
The cost of running my Pro-1 was about 70% less,than using OEM.
Good Luck,
MikeS