ROCHESTER . NEW YORK—  In an attempt to diversity,Xerox has agreed to acquire ITsavvy, an Oak Brook, Illinois-based provider of integrated IT products and associated services, for $400 million. ITsavvy is a portfolio company of GenNx360 Capital Partners, a New York-based private equity firm. Founded in 2004, ITsavvy has grown its revenue to more than $400 million by offering a comprehensive suite of lifecycle, deployment, and managed IT services to assist with clients’ most critical networking, cloud migration and workplace productivity needs. Financial analysts have raised concerns about Xerox with comments such as: The company operates in a mature and highly competitive printer industry facing persistent revenue erosion and digital substitution risks.