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Chapter Overview
Printer basics Printer ports
Dotmatrix printers Inkjet printers
Laser printers
1
Printer Basics
Printer resolution Duty cycle
Speed Printer memory
Graphics and Cost of paper
printerlanguage support
Cost of consumables
Paper capacity
2
Common Printer Terms
American Standard Code for Information Interchange (ASCII)
Font
Line print terminal (LPT) port
Laser Jet Printer Control Language (PCL) PostScript
Resolution enhancement Printing orientation
Duplexing
3
Printer Ports
Ports can be serial, Small Computer System Interface (SCSI), or parallel, although parallel is the most common.
The parallel port consists of a 25pin male plug.
Parallel ports have some disadvantages.
The data transfer rate is only 150 KB per second.
The parallel port uses system resources while printing.
Parallel cables have a maximum effective length of 10 feet.
4
DotMatrix Printers
5
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