A Primer on Printers (Part 2): How a Dot Impact Printer Works Is a Big Factor in Its Success

Article Abstract:

The print head of a serial wire dot impact printer can either be a plunger magnetic head, clapper head, or spring charge head. The clapper head is most common. A major problem with dot printers is the friction between wires on the print head and the wire guide. The carriage feed mechanism consists of the carriage, timing belt and carriage motor. Usually a pulse motor is used. The paper feed mechanism includes the motor, the idler gear, the roller and the tractor. It can be either a friction or traction feeder. A microprocessor stores the information to be printed. The speed, reliability, operation and color are the major operating guidelines. If a color printer is needed, there are various alternatives. Diagrams show details of print head mechanisms, friction and sprocket feeds, character fonts, timings for ten, twelve and seventeen cpi modes, and the ink platen method. A printer circuit diagram and a photograph of a mini-dot printer are included.

Technology, Dot matrix printers, Dot Matrix Printer, Impact Printers, Beginners

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Printer Industry Anticipates Strong Growth In Demand

Article Abstract:

The production of printers continues to be in demand in Japan. This growth is attributed to the export of printers for use with office computers, word processors, personal computers and calculators. Many leading computer manufacturers in Japan are strengthening the printer aspect of their business in an attempt to support the growth of personal computers and related products. Printers are accounting for a considerable percentage of sales for these manufacturers. Tables indicate printer classification and export figures.

Growth (Physiology), Growth, Demand, Manufacturers, Japan, Export

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