COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following materials does a laser printer use to produce the text on a printout?
A
magnetic powder
B
carbon powder
C
ink drops
D
laser beam
Explanation: 

Detailed explanation-1: -Toner is a powder mixture used in laser printers and photocopiers to form the printed text and images on paper, in general through a toner cartridge.

Detailed explanation-2: -Quick answer Laser printers use an electrical charge to attract toner particles to a transfer roller. Toner particles are pressed onto a piece of paper, while heat and pressure from the fuser unit permanently fix the image onto the page.

Detailed explanation-3: -The printers laser beams your print onto a metal drum. The drum uses static electricity to attract powdered toner to the drums cylinder. The drum rolls the toner onto the paper in the form of your print. The toner is melted & pressed onto the paper by heat from a fuser as it passes through its rollers.

Detailed explanation-4: -Powdered ink (toner) particles are then electrostatically attracted to the charged areas of the drum that have not been laser-beamed. The drum then transfers the image onto paper which is passed through the machine by direct contact.

There is 1 question to complete.