What things should I consider when purchasing a new office document system?

A legal office may need fast, reliable black-white-printing with full-color scanning options. A small retailer, on the other hand, may require high-volume, color printing to handle the business' direct marketing print needs.  Regardless of the industry, there are five predominant factors that often play a role in the decision making process when it comes to replacing an old MFP, or installing a new one.