Printer is an output device that produces
the processed information in printed hard
copy format. The result is obtained on
paper or polymer sheets in printed format.
Impact printers work similar to
conventional typewriters, i.e. by pressing
typeface against inked ribbon and paper.
Dot Matrix Printer
Daisy Wheel printer
:- 300 to 3000 LPM ( Lines
Per Minute )
:- Mini & Main frame computers.
:- Wherever large quantity of data
needs to be printed.
This printers consists of solid
cylindrical drum that has raised
characters in bands on its surface.
:- 300 to
2000 Lines Per Minute
Regular printing speed :- 180 to 360 characters
Different sizes of this printer :- 80, 120, 180 Columns
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
As the name suggested these printers do not touch
the print head to the paper while printing.
Ink jet Printers
3 To 15 Pages Per
These printers are cheaper than dot
matrix & lacer printer, but with high
Epson stylus photo T20
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.
It produces a very high quality color
This printer is very expensive & requires
an expensive special paper for printer.