COMPUTER PERIPHERALS
PRINTERS AND SCANNERS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
The fuser assembly
|
|
|
The paper
|
|
|
Ther toner
|
|
|
The drum
|
Detailed explanation-1: -Initially, the drum is given a total positive charge by the charge corona wire, a wire with an electrical current running through it. (Some printers use a charged roller instead of a corona wire, but the principle is the same.)
Detailed explanation-2: -Primary Charge Roller (PCR) / Corona Wire – Provides the drum with the positive/negative charges Fuser – A pair of heated rollers in the printer where the loose toner powder melts, fuses with the fibers in the paper. This is not part of the toner cartridge.
Detailed explanation-3: -Laser printers have a drum. A primary charge roller (or in some cases a corona wire) applies between-500 and-1, 000 VDC to the imaging drum. This charge neutralizes the photosensitive surface of the drum and prepares it to receive an image.