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P
res ent ed B
y:
Yasir Ali
1
P
rinters

Impact Printers

Daisy
wheel

DotMatrix

Non-Impact Printers

Inkjet

Thermal

Laser

2


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.

3


These printers have a
mechanism that
touches the paper to
create an image.
These printers work
by banging a print
head containing a
number of metal pins
which strike an inked
ribbon placed
between the print
head and the paper.
4


These printers create
an image on the print
medium without the
use of force. They don’t
touch the paper while
creating an image.
Non-impact printers
are much quieter than
impact printers as they
don’t strike the paper.

5






The term dot matrix
refers to the process of
placing dots to form an
image.
Its speed is usually 30 to
550 characters per
second (cps).
This is the cheapest and
the most noisy printer
and has a low print
quality. Dot Matrix were
1 st introduced by
Centronics in 1970.
6
7
Advantages:
 (1) In-expensive.
 (2) Low per page cost.
 (3) Energy efficient.
 Dis-advantages:
 (1) Noisy
 (2) Low resolution
 (3) Limited fonts flexibility
 (4) Poor quality graphics output.


8


A daisy wheel printer is
basically an impact
printer consisting of a
wheel and attached
extensions on which
molded metal characters
are mounted. A daisy
wheel printer produces
letter quality print and it
can’t produce graphics
output.

9


It is a non-impact printer
producing a high quality
print. A standard Inkjet
printer has a resolution
of 300dpi. Newer models
have further improved
dpi. Inkjet printers were
introduced in the later
half of 1980s and are
very popular owing to
their extra-ordinary
performance.
10








(1) Print head having four ink
cartridges moves .
(2) Software instructs where to
apply dots of ink, which color and
what quantity to use.
(3) Electrical pulses are sent to the
resistors behind each nozzle.
(4) Vapor bubbles of ink are
formed by resistors and the ink is
forced to the paper through
nozzles.
(5) A matrix of dots forms
characters and pictures.

11
Advantages:
 (1) High resolution output.
 (2) Energy efficient.
 (3) Many options to select.
 Dis-advantages:
 (1) Expensive.
 (2) Special paper required for higher resolution
output.
 (3) Time consuming in case of graphics printing.


12
Thermal printers are inexpensive printers
mostly used in fax
machines. The Thermal
printers are further
classified into two types.
 (1) Electro thermal
printers:
 (2) Thermal Wax
printers:


13
Laser printers use very
advanced technology
and produce a high
quality output. Laser
printers can also
produce high quality
graphics images.
 Resolution is 600 to
1200dpi.


14


A multi function printer
abbreviated as MFP is an
all purpose device that
prints, faxes, copies and
scans. A single multi
function printer can
replace several bulky
devices. A multi function
printer is also known as
AIO. These printers use
inkjet technology and
provide high quality print
but at slow speed.
15
A large scale printer
which is very accurate in
producing engineering
drawings and
architectural blueprints.
 Two types of plotters are
flatbed and drum.
 Flatbed plotters are
horizontally aligned while
drum plotters are
vertically positioned.


16


In fact computer world is incomplete without
printers in the modern age of technology. A printer
is one of the basic needs of every computer user
and one can not utilize computer resources
properly in the absence of a quality printer.

17

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Printers And Its Types

  • 1. P res ent ed B y: Yasir Ali 1
  • 3.  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. 3
  • 4.  These printers have a mechanism that touches the paper to create an image. These printers work by banging a print head containing a number of metal pins which strike an inked ribbon placed between the print head and the paper. 4
  • 5.  These printers create an image on the print medium without the use of force. They don’t touch the paper while creating an image. Non-impact printers are much quieter than impact printers as they don’t strike the paper. 5
  • 6.    The term dot matrix refers to the process of placing dots to form an image. Its speed is usually 30 to 550 characters per second (cps). This is the cheapest and the most noisy printer and has a low print quality. Dot Matrix were 1 st introduced by Centronics in 1970. 6
  • 7. 7
  • 8. Advantages:  (1) In-expensive.  (2) Low per page cost.  (3) Energy efficient.  Dis-advantages:  (1) Noisy  (2) Low resolution  (3) Limited fonts flexibility  (4) Poor quality graphics output.  8
  • 9.  A daisy wheel printer is basically an impact printer consisting of a wheel and attached extensions on which molded metal characters are mounted. A daisy wheel printer produces letter quality print and it can’t produce graphics output. 9
  • 10.  It is a non-impact printer producing a high quality print. A standard Inkjet printer has a resolution of 300dpi. Newer models have further improved dpi. Inkjet printers were introduced in the later half of 1980s and are very popular owing to their extra-ordinary performance. 10
  • 11.      (1) Print head having four ink cartridges moves . (2) Software instructs where to apply dots of ink, which color and what quantity to use. (3) Electrical pulses are sent to the resistors behind each nozzle. (4) Vapor bubbles of ink are formed by resistors and the ink is forced to the paper through nozzles. (5) A matrix of dots forms characters and pictures. 11
  • 12. Advantages:  (1) High resolution output.  (2) Energy efficient.  (3) Many options to select.  Dis-advantages:  (1) Expensive.  (2) Special paper required for higher resolution output.  (3) Time consuming in case of graphics printing.  12
  • 13. Thermal printers are inexpensive printers mostly used in fax machines. The Thermal printers are further classified into two types.  (1) Electro thermal printers:  (2) Thermal Wax printers:  13
  • 14. Laser printers use very advanced technology and produce a high quality output. Laser printers can also produce high quality graphics images.  Resolution is 600 to 1200dpi.  14
  • 15.  A multi function printer abbreviated as MFP is an all purpose device that prints, faxes, copies and scans. A single multi function printer can replace several bulky devices. A multi function printer is also known as AIO. These printers use inkjet technology and provide high quality print but at slow speed. 15
  • 16. A large scale printer which is very accurate in producing engineering drawings and architectural blueprints.  Two types of plotters are flatbed and drum.  Flatbed plotters are horizontally aligned while drum plotters are vertically positioned.  16
  • 17.  In fact computer world is incomplete without printers in the modern age of technology. A printer is one of the basic needs of every computer user and one can not utilize computer resources properly in the absence of a quality printer. 17