This document summarizes different types of printers. Dot matrix printers print 180 to 360 characters per second and come in various column sizes from 80 to 180. They are cheaper than laser printers but have higher printing costs due to ribbons and cartridges. Inkjet printers print 3 to 15 pages per minute and are cheaper than dot matrix or laser printers, but also have high printing costs. Laser printers print 7 to 28 pages per minute at 1200 to 2400 dots per inch and are high speed, low noise, low maintenance but more expensive than inkjet printers. Laser printers account for 55.5% of total printer sales while inkjet sales make up 46%.
Devices that output hard copy
An external hardware device responsible for taking computer data and generating a hard copy of that data. Printers are one of the most commonly used peripherals and they print text and still images on the paper.
Impact printers use a device to strike an inked ribbon, pressing ink from the ribbon onto the paper.
Non-impact printers use different methods to place ink (or another substance) on the page.
(1) DPI:
It is a measurement of printer’s resolution indicating how many ink dots can be placed by the printer in one square inch. The higher the DPI, the sharper is image. Image quality – Measured in dots per inch (dpi). Most printers produce 300 – 1200 dpi.
(2) Type of printer:
Each type of printer has its own capabilities of printing. Some types of printers produce high quality print while other produce low quality print.
(3) Print Mode:
The printing mode may also affect the quality. For example the draft mode increases the print rate but quality is reduced.
(4) Toner:
The quality and amount of toner also affects print quality.
A printer is an external output device that takes data from a computer and generates output in the form of graphics/text on a paper.
There are two types of printers.
Impact printers
Non-Impact printers
Devices that output hard copy
An external hardware device responsible for taking computer data and generating a hard copy of that data. Printers are one of the most commonly used peripherals and they print text and still images on the paper.
Impact printers use a device to strike an inked ribbon, pressing ink from the ribbon onto the paper.
Non-impact printers use different methods to place ink (or another substance) on the page.
(1) DPI:
It is a measurement of printer’s resolution indicating how many ink dots can be placed by the printer in one square inch. The higher the DPI, the sharper is image. Image quality – Measured in dots per inch (dpi). Most printers produce 300 – 1200 dpi.
(2) Type of printer:
Each type of printer has its own capabilities of printing. Some types of printers produce high quality print while other produce low quality print.
(3) Print Mode:
The printing mode may also affect the quality. For example the draft mode increases the print rate but quality is reduced.
(4) Toner:
The quality and amount of toner also affects print quality.
A printer is an external output device that takes data from a computer and generates output in the form of graphics/text on a paper.
There are two types of printers.
Impact printers
Non-Impact printers
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Session Overview
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From Daily Decisions to Bottom Line: Connecting Product Work to Revenue by VP...
Printers
1.
2.
3.
4.
5.
6. Regular printing speed :- 180 to 360 characters
per second.
Different sizes of this printer :- 80, 120, 180 Columns
etc……
This printer is costlier compared to inkjet printers these are
the most economical printers if used to print textual
document, as the cost of ribbons as well as the cartridge is
cheap
7.
8.
9.
10.
11.
12. 3 To 15 Pages Per
Minute.
These printers are cheaper than dot
matrix & laser printer, but with high
printing cost.
18. LASER PRINTERS
7 to 28 Pages Per Minute
1200 to 2400 Dots Per Inch
High speed, Low noise & maintenance,
Economical printers .These printers are costlier
than Inkjet printers.
