Think multiple Multifunction devices aren't designed for continuous, high-volume service. The print engine is the most important component of any multifunction device. Look for automatic document-feeding devices.
Good software is essential to a multifunction device's print, scan and fax functions.
Carefully check your multifunction device vendor's warranty and return policies. When they first sailed into view a couple of years ago, inexpensive printers bundled with scan, copy and fax capabilities looked as if they would become the hottest computer peripherals since modems. But, as users soon came to realize, the early multifunction devices were far from perfect. And because most were built with few feature sets in common, comparison shopping was difficult. To keep prices reasonable, most manufacturers used low-end components designed for small to modest workloads.