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Continuous form paper is used in some of the fastest types of printing systems, some of which print text at a rate of 20,000 lpm (lines per minute). This will produce about 400 pages per minute, using about 8–11 large boxes of paper for every hour of printing (affected by character density, and other details such as paper weight).
Print speeds of 600 lines per minute [2] (approximately 10 pages per minute) were achieved in the 1950s, later increasing to as much as 1200 lpm. Line printers print a complete line at a time and have speeds in the range of 150 to 2500 lines per minute. Some types of impact line printers are drum printers, band-printers, and chain printers.
The pressure of writing or impact printing on the carbon or carbonless paper transfers the content to the copy sheets. Depending upon requirements, up to typically four copies of the original can be made, with the quality and readability decreasing towards the bottom copies.
It could print at 10, 12 or 15 characters per inch, printing at 6 or 8 or 12 lines per inch. [ 24 ] The model 001 was the only model that supported the tape to print feature (Feature Code 7810), where an IBM 3411/3410 or IBM 3803/3420 reel to reel tape drive could be attached to the 3800, allowing the printer to operate in an offline mode.
1917 press room, using a line shaft power system. At right are several small platen jobbing presses, at left, a cylinder press.. With the advent of the Industrial Revolution and industrial mechanisation, inking was carried out by rollers that passed over the face of the type, then moved out of the way onto an ink plate to pick up a fresh film of ink for the next sheet.
serial matrix, continuous form laser Printronix: line matrix, thermal, continuous form laser PSI Engineering envelope laser c/w feeder, continuous form laser, document automation, folder & feeder finishers, friction feeders, packing slip printing and feeding systems Prototype & Production Systems, Inc