Printers مكونات الحاسب وتجميعه. أنواع الطابعاتPrinters Types...

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Transcript of Printers مكونات الحاسب وتجميعه. أنواع الطابعاتPrinters Types...

  • Slide 1
  • Printers
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  • Printers Types Impact printers dot matrix printers character printer Non impact printers inkjet printers laser printers
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  • dot matrix printers printers use a series of small pins to strike a ribbon coated with ink, causing the ink to transfer to the paper at the point of impact.
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  • dot matrix printers
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  • character printer A daisy wheel printer is a type of computer printer that produces high-quality type, and was often referred to during the 1980s as a letter-quality printer, capable of so-called near letter quality (NLQ) output).computer printerletter-quality printer near letter quality .
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  • character printer
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  • Inkjet printers Inkjet printers, use a series of nozzles to spray drops of ink directly on the paper. ()
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  • Inkjet printers Print head assembly Print head Ink cartridges Print head stepper motor Belt Stabilizer bar Paper feed assembly Paper tray/feeder Rollers Paper feed stepper motor Power supply Control circuitry Interface port(s)
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  • The print head assembly
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  • Stepper motors
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  • stabilizer bar
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  • The rollers
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  • Control circuitry
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  • Interface port(s)
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  • A typical color ink cartridge: This cartridge has cyan, magenta and yellow inks in separate reservoirs.
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  • Imagine that the dot on the left is on coated paper and the dot on the right is on low- grade copier paper. Notice how irregular and larger the right dot is compared to the left one.
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  • laser printers The path of a piece of paper through a laser printer
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  • The basic components of a laser printer
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  • Drum
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  • Fuser
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  • Toner
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  • the toner hopper