Devices That Output Hard Copy

Section 3BSection 3B

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Two Categories of Printers

Impact

Nonimpact

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Impact Printer

Creates an image by using pins or

hammers to press an inked ribbon against

the paper

Most common impact printer is the dot

matrix

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Nonimpact Printer

Uses other means to create an image

Most common nonimpact printers are

ink jet and laser printers

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What to Look for When Buying a Printer

Image quality

Speed

Initial cost

Cost of operation

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Dot Matrix Printer Terms

Print head

Characters per second (cps)

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Other Kinds of Impact Printers

Line

Band

Daisy wheel

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Ink Jet Printer

Creates an image

directly on the paper

by spraying ink

through tiny nozzles

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Laser Printer

A laser is at the heart of

this printer that uses

technology similar to that

in photocopiers

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Other High-Quality Printers

Thermal-wax

Dye-sub

Photo

Iris

Plotter

Section 3BSection 3B

Devices That Output Hard Devices That Output Hard CopyCopy