A daisy wheel printer is an early type of impact Printer invented in 1969
by David S. Lee at Diablo Data Systems. The printer uses a metal or
plastic disk containing each of the letters, numbers, and other
characters it supports. When something is printed, the printer rotates
the disk to each character and then using a hammer strike each character
into an ink ribbon to create the character on paper.
Daisy wheel printers were popular in the 1970s and 1980s, but are no longer used because of they have a low quality of print, are very slow, loud, and laser printers have come down in cost.
Advantages:
1) It can print letter quality characters.
Disadvantages
1) Printing speed is slow.
2) It cannot print graphics.