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In a typical drum printer design, a fixed font character set is engraved onto the periphery of a number of print wheels, the number matching the number of columns (letters in a line) the printer can print. The wheels, joined to form a large drum (cylinder), spin at high speed.
IBM developed, manufactured and sold hammer-based impact printers that used either type bars, a chain, a train, or a band to create printed output from 1959 till 1999, replacing the older print drum technology,. Over the course of this time they produced a wide variety of these line printers. This article will detail the most significant ones.
Introduced in 1963, the 3300 was a 300 line per minute drum printer that used a moving coil actuator for the print hammer. In 1966, core memory was added to the product line. With heightened sales and earnings, Data Products moved to a new site in Woodland Hills, Los Angeles , California in 1968.
Closeup of IBM 1627 drum plotter right side, showing controls for manually moving the drum. A Calcomp 565 drum plotter, essentially the same as the 1627, with pen assembly. The IBM 1627 was a rebranded Calcomp plotter sold by IBM for use with the IBM 1620 , and, later, the IBM 1130 computers.
A set of 22 flash lamps inside the drum would flash, exposing the characters onto the selenium drum as the character generator drum rotated, one line being printed for each rotation of the character generator drum. This limited the printer to a single 95 character font but made it an ideal line printer replacement with both upper and lower case ...
Pages in category "Line printers" The following 15 pages are in this category, out of 15 total. ... Drum printer; I. IBM 716; IBM 1132; IBM 1403; IBM 2245; IBM 6400; L.
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The 1404 printer is an IBM impact printer with "all the basic features of the IBM 1403 Printer," with the added ability to print on card documents, such as punched cards. [ 12 ] The 1404 can print on continuous forms at 600 lines per minute, and on cards at 800 cards per minute.