Wired access to the printer can be very stressful; that's why most people prefer a wireless print server. A parallel port is used in connecting computers, printers, and other devices. A wireless print network allows you to scan, print, and fax on any computer using windows from your network. A wireless print server can be connected to various devices without having to use cables. Thus a USB print server is a convenient and powerful tool and can share your USB printer to various networks without the hassle and cost of having many external hard drivers. A parallel port is used in connecting computers, printers, and other devices. A parallel port is a very useful well-connecting printer to Computers.