The IBM 6400 family of line matrix printer

Line matrix printer

A line matrix printer is a computer printer that is a compromise between a line printer and a dot matrix printer. Basically, it prints a page-wide line of dots. It builds up a line of text by printing lines of dots.-Applications:...

s are modern highspeed business computer printer

Computer printer

In computing, a printer is a peripheral which produces a text or graphics of documents stored in electronic form, usually on physical print media such as paper or transparencies. Many printers are primarily used as local peripherals, and are attached by a printer cable or, in most new printers, a...

s introduced by IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 in 1995. These printers are designed for use on a variety IBM systems including mainframes

Mainframe computer

Mainframes are powerful computers used primarily by corporate and governmental organizations for critical applications, bulk data processing such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing.The term originally referred to the...

, server

Server (computing)

In the context of client-server architecture, a server is a computer program running to serve the requests of other programs, the "clients". Thus, the "server" performs some computational task on behalf of "clients"...

s, and PCs.

The IBM 6400 series printers are line matrix printers manufactured by Printronix Corp
and rebranded for IBM. All internal parts have the Printronix Logo and/or artwork.
Although they once did, IBM no longer manufactures printers. One of their old printer divisions
became Lexmark

Lexmark

Lexmark International, Inc. is an American corporation which develops and manufactures printing and imaging products, including laser and inkjet printers, multifunction products, printing supplies, and services for business and individual consumers...

The other became the IBM Printing Systems Division, which was recently spun off to Ricoh. IBM now uses several different manufacturers to fill their printer
requirements under the IBM brand.