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Introduction to Printers
The document discusses printers as external hardware devices that generate hard copies of computer data, highlighting their significance and historical background. It categorizes printers into impact and non-impact types, detailing various types such as dot matrix, inkjet, laser, and all-in-one printers, including their pros and cons. The document concludes by emphasizing the role of printers in enhancing personal expression and making artworks more accessible.
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Anshuman Abhisek Mishra provides an overview of printers in 2013.
Printers convert computer data to physical format, used widely for text and images. The first printer was invented by Charles Babbage.
Printers are categorized into impact printers (physical ink transfer) and non-impact printers (no physical contact).
Four main printer types are identified: Dot Matrix, Ink Jet, Laser, and All-in-One printers.
An impact printer using wire pins to print. Popular in the '80s but now largely obsolete.
Advantages include low cost and reliability; disadvantages include noise and limited speed/quality.
Non-impact printers that use liquid ink droplets. They are commonly used for personal printing.
Low cost, high quality, and easy to use, but have higher ink costs and slower print speeds.
Non-impact and high-speed printers with resolutions of 600dpi-1200dpi, using toner powder.
High-speed and resolution, but expensive toner and maintenance, and less vivid image quality.
Multifunction devices that combine printing, scanning, copying, and faxing, popular in small offices.
Cost-effective and space-saving but can suffer from reliability issues if one function fails.
Printers democratize access to printed works, enhancing creativity and expression across various talents.
Closing remarks from the presenter.
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Introduction to Printers
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- 2. WHAT IS APRINTER? It is an external hardware device responsible for taking computer data and generating a hard copy of that data. Printers are one of the most used peripherals on computers and are commonly used to print text, images, and photos. World's first computer printer was a 19th-century mechanically driven apparatus invented by Charles Babbage for his difference engine.
- 3. WHAT ARE ITSMAJOR TYPES? Major types of printer Printers can be divided into two main groups, impact printer and non- impact printer. Impact printer-Impact printer produces text and images when tiny wire pins on print head strike the ink ribbon by physically contacting the paper. Non-Impact printer-Non-impact printer produces text and graphics on paper without actually striking the paper. IMPACT PRINTER NON-IMPACT PRINTER
- 4. TYPES OF PRINTERS DOT MATRIX INKJET LASER PRINTER ALL-IN- ONE
- 5. DOT MATRIX PRINTER: It is an impact printer that produces text and graphics when tiny wire pins on the print head strike the ink ribbon. They were highly popular during the 1980s and were the world’s most common and relied upon printing instrument for a long time. Now they have become obsolete.
- 6. DOT MATRIX PRINTER: PROSCONS •Can Print on multi-part forms or carbon copies •Low printing cost per page •Can be used on continuous form paper •Reliable, durable •Noisy •Limited Print Quality •Low Printing Speed •Limited Color Printing
- 7. INK JET PRINTER: They are non-impact printers which print text and images by spraying tiny droplets of liquid ink onto paper. They use CYMK color combination for generating all other colors. The ink is stored in separate, replaceable cartridges. They are the most popular printers for personal use.
- 8. INK JET PRINTER: PROSCONS •Low cost •High quality printing with good color density and smooth details •Capable of printing in vivid and wide-range of colors • Easy to use and maintain •Print head is less durable •Ink Cartridge replacement is an expensive affair •Not good for handling volume printing duties •Printing is not as fast as other printers, say laser printers.
- 9. LASER PRINTERS: LaserPrinters are non- impact printers which can print high resolution images with high speed. Their printing resolution varies between 600dpi- 1200dpi. They use toners(black or colored powders), instead of ink, for printing purposes. Can print between 4-20 pages of text per minute.
- 10. LASER PRINTER: PROS CONS •HighResolution printing •High printing speed •No smearing •Low cost per page (as compared to ink jet printers) •More expensive than Ink- Jet printers to maintain and use •Are less capable of printing images with high vividness •Toner replacement and drum replacement is expensive •Bulkier than ink-jet printers
- 11. ALL-IN-ONE PRINTER All-in-Onemultifunction printer(MFP) is also known as all-in-one printer or multifunction device(MFD). It includes printer, scanner, copier and fax. It is gaining high-popularity in small offices and business store application etc.
- 12. ALL-IN-ONE PRINTER: PROS CONS •Lowcost-high value for money •Takes up less space, input and resources •Easy to use •Good for non-specialized but diverse role •If one component develops faults, the entire machine may get affected •‘Jack of all, King of non’- issue •Fails to provide quality and efficiency of dedicated devices
- 13. HOW PRINTERS HAVESHAPED OUR LIFE? Printers and their ever-increasing popularity has given every individual the capacity to have a printed text or image or document of any type, at any time. It has helped to enhance our expressions and talents by giving every aspiring poet, writer, painter etc the capacity to get their works printed, thus, making them authentic documents. Printers, in a way, has given every individual, an access to both better resource and talent development as well as entry to that elite club of intellects, earlier dominated by the people who were lucky to get their works identified.
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