The IBM 6400 family of line matrix printers are modern highspeed business computer printers introduced by IBM in 1995. A line matrix printer is a Computer printer that is a compromise between a Lineprinter and a Dot matrix printer. International Business Machines Corporation abbreviated IBM and nicknamed "Big Blue", is a multinational Computer Technology Year 1995 ( MCMXCV) was a Common year starting on Sunday. Events of 1995 These printers are designed for use on a variety IBM systems including mainframes, servers, and PCs. Mainframes (often colloquially referred to as Big Iron) are Computers used mainly by large organizations for critical applications typically bulk data A server is a Computer dedicated to providing one or more services over a computer network typically through a request-response routine