FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

COMPUTER OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A laser printer uses ____ and ____ to seal the text and images onto paper.
A
ink, sprayers
B
carbon ribbon, pressure
C
ink, embossing
D
heat, toner
Explanation: 

Detailed explanation-1: -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-2: -Laser printers provide quality printing with sharp images and consistent black tones. They have become widely used for printing of reports and letters and for desktop publishing.

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.

Detailed explanation-4: -Laser printers use heat to fuse the image to the paper–when this fusing temperature is too hot (over 350F), many times the paper will jam and could ruin your fusing unit.

Detailed explanation-5: -While ink is standard in most conventional inkjet home printers, laser printers depend on toner and lasers for their output. Given that they’re based on their own unique technology, you’ll find that they also have their own unique advantages and disadvantages.

There is 1 question to complete.