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COLOUR PRINTER

COLOUR PRINTER. COMPILLED BY :- MAHNOOR MUGHAL SADDIQ 9-C-SILVER. IMAGES . Introduction.

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COLOUR PRINTER

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  1. COLOUR PRINTER COMPILLED BY :- MAHNOOR MUGHAL SADDIQ 9-C-SILVER

  2. IMAGES

  3. Introduction • In computing, a printer is a peripheral which produces a representation of an electronic document on physical media such as paper or transparency film. Many printers are local peripherals connected directly to a nearby personal computer. Individual printers are often designed to support both local and network connected users at the same time. Some printers can print documents stored on memory cards or from digital cameras and scanners. Multifunction printers (MFPs) include a scanner and can copy paper documents or send a fax; these are also called multi-function devices (MFD), or all-in-one (AIO) printers. Most MFPs include printing, scanning, and copying among their many features.

  4. Colour inkjet printers • Inkjet printers works by propelling droplets of ink onto the paper. The ink is released from small movable cartridges and if it is a colour inkjet printer there will regularly be a black cartridge and three separate coloured cartridges. You can either replace the whole cartridge or refill the cartridges with a special refill kit.

  5. Advantages and disadvantages • Advantages • Inkjet printers are considerably cheaper to buy. • High end printers are capable of producing good ability images when used with special paper. • Most models are relatively light weight and compact so they don't take up too much space on the desk • Disadvantages • Due to the cost of ink, running an inkjet printer over time is a more expensive than a laserprinter. • Prints emerge from the printer slightly wet and may need time to dry. • Printing is slower and therefore inkjets aren't designed for high volume printing.

  6. Laser printer • This printer incorporates a laser beam as a part of the image processing. Rather than using ink a laserprinter uses toner, a dry plastic powder combined with carbon black or colouring agents. The consumable a part of the printer is encased in a cartridge which needs to be supplanted from time to time

  7. Advantages and disadvantages • Advantages • Laser prints are generally very high and very accurate. • For high volume printinglaserprinters are considerably cheaper to run. • Printing is fast so they can cope large volumes. • Due to the technology used prints from a laserprinter emerge from the printer dry to the touch. • Disadvantages • Buying a laserprinter can be expensive when compared to an inkjet. • Colour laserprinters are significantly more expensive than a colour inkjet. • Laserprinters are larger and heavier as they need to comprise the imaging drum and laser technology.

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