IBM 6400
The IBM 6400 family of line matrix printers were modern highspeed business computer printers introduced by IBM in 1995. These printers were designed for use on a variety IBM systems including mainframes, servers, and PCs.
Configuration
The 6400 was available in a choice of open pedestal or an enclosed cabinet. Three models existed, with print speeds of 500, 1000 or 1500 lines/minute.When configured with the appropriate graphics option, it could print mailing bar codes "certified by the U.S. Postal service. Twelve configurations were commonly sold by IBM.