Chapter 11: Printers and Scanners

A
Chapter 9 PRINTERS AND SCANNERS
Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
Introduction ,[object Object],[object Object]
TYPES OF PRINTERS ,[object Object],[object Object],[object Object],[object Object]
[object Object]
LASER PRINTER ,[object Object],[object Object],[object Object]
Hewlett Packard LaserJet 4050T
LASER PRINTER ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Categories of laser printers
typically support colour; and are used (shared) by a group of users. Shared laser printers typically print over 50 pages a minute. typically do not support colour; are less expensive and are used by many single users. They typically can print 15 to 17 pages a minute.   Shared laser printers Personal laser printers
LASER PRINTER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Primary Components of a Laser Printer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PAPER TRANSPORT ,[object Object],[object Object],The path of a piece of paper through a laser printer
Logic Circuits ,[object Object],[object Object]
User Interface ,[object Object],[object Object]
Toner and Toner Cartridges ,[object Object],[object Object]
Photosensitive Drum ,[object Object],The laser "writes" on a photosensitive revolving drum
The Laser ,[object Object],Image formation by Laser on Photoreceptor Drum
The Laser ,[object Object]
Primary Corona ,[object Object]
Transfer Corona ,[object Object]
Fuser Rollers ,[object Object]
Erase Lamp ,[object Object]
 
[object Object]
INTRODUCTION ,[object Object]
Step 6 ,[object Object],[object Object],[object Object],[object Object],[object Object]
Step 7-8 ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
An Inkjet Printer   A HP Colour Inkjet Printer
Components Inkjet Printer  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PRINT HEAD ,[object Object],Inkjet Printer Head
Ink cartridges ,[object Object]
Print head stepper motor ,[object Object],Stepper Motor to Control the Movement of Print Head
Belt  ,[object Object]
Stabilizer bar  ,[object Object],The Stabilizer Bar and the Belt is Located Close Together
Paper tray/feeder ,[object Object]
Rollers ,[object Object],The rollers move the paper through the printer
Paper feed stepper motor  ,[object Object]
Power supply  ,[object Object]
Control circuitry  ,[object Object],The mechanical operation of the printer is controlled by a small circuit board containing a microprocessor and memory
Interface port(s)  ,[object Object],Many Printers Still use a Parallel Port even if USB is more Common these days
Differences types of ink  ,[object Object],[object Object],[object Object]
Thermal bubble ,[object Object],[object Object],[object Object]
View of the nozzles on a thermal bubble inkjet print head
Piezoelectric ,[object Object],[object Object],[object Object]
Step 2
[object Object]
INTRODUCTION ,[object Object],[object Object],[object Object],[object Object]
Step 4 Dot Matrix Printers
[object Object]
disadvantages ,[object Object]
Dot Matrix Letters Formed from Dots.
Step 5 Typical output from a dot matrix printer operating in draft mode. This entire image represents an area of printer output approximately 4.5 cm x 1.5cm (1.75 x 0.6 inches) in size.
Troubleshooting Dot-Matrix Printer Problems ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
STEP 1 ,[object Object]
STEP 2 ,[object Object]
STEP 3 ,[object Object]
STEP 4 ,[object Object]
STEP 5 ,[object Object]
STEP 6 ,[object Object]
STEP 7 ,[object Object]
STEP 8 ,[object Object]
[object Object]
INTRODUCTION ,[object Object],[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Flatbed Scanner  ,[object Object],Canon CanoScan 3000 ex Flatbed Scanner - 9760A001
Portable Scanner ,[object Object]
Optical Scanners ,[object Object],[object Object]
Bar Code Readers ,[object Object]
Bar Code Scanner
[object Object]
INTRODUCTION ,[object Object],[object Object],[object Object],[object Object],[object Object]
Magnetic-ink character recognition (MICR)  ,[object Object],Magnetic-ink character recognition (MICR)
Optical-Character Recognition (OCR) ,[object Object]
Optical-mark recognition (OMR) ,[object Object]
[object Object]
[object Object],[object Object]
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Chapter 11: Printers and Scanners

  • 1. Chapter 9 PRINTERS AND SCANNERS
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  • 9.
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  • 11. typically support colour; and are used (shared) by a group of users. Shared laser printers typically print over 50 pages a minute. typically do not support colour; are less expensive and are used by many single users. They typically can print 15 to 17 pages a minute. Shared laser printers Personal laser printers
  • 12.
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  • 31. An Inkjet Printer A HP Colour Inkjet Printer
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  • 46. View of the nozzles on a thermal bubble inkjet print head
  • 47.
  • 49.
  • 50.
  • 51. Step 4 Dot Matrix Printers
  • 52.
  • 53.
  • 54. Dot Matrix Letters Formed from Dots.
  • 55. Step 5 Typical output from a dot matrix printer operating in draft mode. This entire image represents an area of printer output approximately 4.5 cm x 1.5cm (1.75 x 0.6 inches) in size.
  • 56.
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