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Assignment # 4
Printer is the most popular output device 
used today to produce hard copy 
output. There are many types of printers 
which are used by the users as according 
to their need. These are very useful 
nowadays as all the things which are 
uneasy to read on the monitor screen we 
used to print those things and read 
carefully.
There are many types of printer which are as 
follows:- 
Dot-Matrix Printers. 
Inkjet Printers. 
Drum Printer. 
Chain Band Printer. 
Laser Printer. 
Multi Function Printer.
It is a character printer that print one character at 
a time. This Printer can form characters and all 
kinds of images as pattern of dots. Since dot 
matrix printer produce printed output as pattern 
of dots, they can print any shape of character 
that a program can describe. They therefore, can 
print many special characters, different sizes of 
print, and also have the ability to print graphics 
such as charts and graphs. Dot Matrix printer are 
normally haves slow printing speeds ranging 
from 30-600 characters per second. They are 
available at very low cost. These types of 
printers are generally used to print the shipping
 It prints characters by spraying patterns of ink on the paper from a nozzle or 
jet that can heated up selectively. The ink comes out of the nozzle in a form of 
vapors. After passing through a reflecting plate, it forms the desired 
letter/shape at the desired place. It is also a Character printer but it produces 
high quality output than dot matrix printers because these printers form 
characters with very tiny ink dots. Inkjet printers are slower than dot matrix 
printer as inkjet printing speed is 40- 300 characters per second. Inkjet 
printer is also more expensive than dot matrix because it produces the high 
quality prints with more transformed technology. These printers are very 
popular because they are less expensive than laser printers and can print 
faster and accurate than dot matrix and other impact printers.
 Drum printer is a line printers that print one line 
at a time. In addition the drum printer is also the 
impact printer. In this Printer it has a set 
of hammers mounted in front of the drum in a 
manner that an inked ribbon and paper can be 
placed between the hammers and the drum. 
Than the drum rotates at a high speed. A 
character is printed at a desired print position. 
This printer has the speed of 300- 2000 lines per 
minute. This printer also produces lots of noise 
that’s why cover is used to reduce the noise.
 Chain/Band printer are line printers that prints one 
line at a time. It consist of a metallic chain/band on 
which all characters of the character set supported by 
the printer are embossed. A standard character set may 
have 48,64 and 96 characters. The characters in the 
character set are embossed several times on the 
chain/band. Unlike drum printer the chain/band 
printer can be changed easily. It allows the printing to 
be done in different fonts and styles in the same 
printer. Due to the impact printing chain/band 
printers are noisy in operation and often use a cover to 
reduce the noise level. Printing speeds of the 
chain/band printers range from 400 – 3000 lines per 
minute.
 Laser printers are the page printers that prints one 
page at a time. main component of the laser printer are a 
laser beam source, multi sided mirror, a photoconductive 
drum, and toner. Laser printers produces high quality 
output because they form characters by very tiny ink 
particles. The high end laser printer can have a 
resolution of 1200 dpi. Due to the high resolution , these 
printers give excellent graphics art quality. Laser 
printers are faster than other printers discussed 
earlier. Low speed laser printers can print 4 to 12 pages 
per minute. Owing to their better print quality and 
printing speed, laser printers are more expensive than 
the other types of the printers. These printers are very 
popular in the market because of its fast printing.
 Multi Function Printers are also commonly known as all-in-one 
printers. With this type of device, your printing, 
scanning, faxing and photocopying needs are covered! 
These printers usually come in a variety of sizes with many 
being small enough to fit onto a small desk. 
 Aside from the multi function features that MFPs have, these are the 
common benefits that business owners can gain from this type of 
printer. 
1. They take up less room. 
2. They are usually lower in cost. Though it may seem expensive compared to the other 
types of printers, if you consider buying a fax machine, scanner, photocopier and a 
printer, you’ll find that buying an MFP is actually a lot more affordable.
3D printing or additive manufacturing is a process of 
making three dimensional solid objects from a digital file. 
The creation of a 3D printed object is achieved using 
additive processes. In an additive process an object is created 
by laying down successive layers of material until the entire 
object is created. Each of these layers can be seen as a thinly 
sliced horizontal cross-section of the eventual object.
 It all starts with making a virtual design of the object you 
want to create. This virtual design is made in a CAD 
(Computer Aided Design) file using a 3D modeling program 
(for the creation of a totally new object) or with the use 
of a 3D scanner (to copy an existing object). This scanner 
makes a 3D digital copy of an object and puts it into a 3D 
modeling program. 
 To prepare the digital file created in a 3D modeling 
program for printing, the software slices the final model 
into hundreds or thousands of horizontal layers. When this 
prepared file is uploaded in the 3D printer, the printer 
creates the object layer by layer. The 3D printer reads 
every slice (or 2D image) and proceeds to create the 
object blending each layer together with no sign of the 
layering visible, resulting in one three dimensional object.
Printers are used 
Widely across the 
world. 
Printers are Now 
their in every prize. 
Printers are very useful 
in many fields of life like 
Education, Business, 
Companies, Shops. 
Printers are 
Improved very 
much in quality.
Printers

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Printers

  • 1.
  • 3.
  • 4. Printer is the most popular output device used today to produce hard copy output. There are many types of printers which are used by the users as according to their need. These are very useful nowadays as all the things which are uneasy to read on the monitor screen we used to print those things and read carefully.
  • 5.
  • 6. There are many types of printer which are as follows:- Dot-Matrix Printers. Inkjet Printers. Drum Printer. Chain Band Printer. Laser Printer. Multi Function Printer.
  • 7. It is a character printer that print one character at a time. This Printer can form characters and all kinds of images as pattern of dots. Since dot matrix printer produce printed output as pattern of dots, they can print any shape of character that a program can describe. They therefore, can print many special characters, different sizes of print, and also have the ability to print graphics such as charts and graphs. Dot Matrix printer are normally haves slow printing speeds ranging from 30-600 characters per second. They are available at very low cost. These types of printers are generally used to print the shipping
  • 8.
  • 9.  It prints characters by spraying patterns of ink on the paper from a nozzle or jet that can heated up selectively. The ink comes out of the nozzle in a form of vapors. After passing through a reflecting plate, it forms the desired letter/shape at the desired place. It is also a Character printer but it produces high quality output than dot matrix printers because these printers form characters with very tiny ink dots. Inkjet printers are slower than dot matrix printer as inkjet printing speed is 40- 300 characters per second. Inkjet printer is also more expensive than dot matrix because it produces the high quality prints with more transformed technology. These printers are very popular because they are less expensive than laser printers and can print faster and accurate than dot matrix and other impact printers.
  • 10.
  • 11.  Drum printer is a line printers that print one line at a time. In addition the drum printer is also the impact printer. In this Printer it has a set of hammers mounted in front of the drum in a manner that an inked ribbon and paper can be placed between the hammers and the drum. Than the drum rotates at a high speed. A character is printed at a desired print position. This printer has the speed of 300- 2000 lines per minute. This printer also produces lots of noise that’s why cover is used to reduce the noise.
  • 12.
  • 13.  Chain/Band printer are line printers that prints one line at a time. It consist of a metallic chain/band on which all characters of the character set supported by the printer are embossed. A standard character set may have 48,64 and 96 characters. The characters in the character set are embossed several times on the chain/band. Unlike drum printer the chain/band printer can be changed easily. It allows the printing to be done in different fonts and styles in the same printer. Due to the impact printing chain/band printers are noisy in operation and often use a cover to reduce the noise level. Printing speeds of the chain/band printers range from 400 – 3000 lines per minute.
  • 14.
  • 15.  Laser printers are the page printers that prints one page at a time. main component of the laser printer are a laser beam source, multi sided mirror, a photoconductive drum, and toner. Laser printers produces high quality output because they form characters by very tiny ink particles. The high end laser printer can have a resolution of 1200 dpi. Due to the high resolution , these printers give excellent graphics art quality. Laser printers are faster than other printers discussed earlier. Low speed laser printers can print 4 to 12 pages per minute. Owing to their better print quality and printing speed, laser printers are more expensive than the other types of the printers. These printers are very popular in the market because of its fast printing.
  • 16.
  • 17.  Multi Function Printers are also commonly known as all-in-one printers. With this type of device, your printing, scanning, faxing and photocopying needs are covered! These printers usually come in a variety of sizes with many being small enough to fit onto a small desk.  Aside from the multi function features that MFPs have, these are the common benefits that business owners can gain from this type of printer. 1. They take up less room. 2. They are usually lower in cost. Though it may seem expensive compared to the other types of printers, if you consider buying a fax machine, scanner, photocopier and a printer, you’ll find that buying an MFP is actually a lot more affordable.
  • 18.
  • 19. 3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the entire object is created. Each of these layers can be seen as a thinly sliced horizontal cross-section of the eventual object.
  • 20.  It all starts with making a virtual design of the object you want to create. This virtual design is made in a CAD (Computer Aided Design) file using a 3D modeling program (for the creation of a totally new object) or with the use of a 3D scanner (to copy an existing object). This scanner makes a 3D digital copy of an object and puts it into a 3D modeling program.  To prepare the digital file created in a 3D modeling program for printing, the software slices the final model into hundreds or thousands of horizontal layers. When this prepared file is uploaded in the 3D printer, the printer creates the object layer by layer. The 3D printer reads every slice (or 2D image) and proceeds to create the object blending each layer together with no sign of the layering visible, resulting in one three dimensional object.
  • 21.
  • 22. Printers are used Widely across the world. Printers are Now their in every prize. Printers are very useful in many fields of life like Education, Business, Companies, Shops. Printers are Improved very much in quality.