3.7 – Laser Print Process

Question 1

Processing

Answer 1

printer receives & processes the image & stores the page in memory

Question 2

Charging

Answer 2

places a BIG NEGATIVE CHARGE -600VDC charge on the photosensitive drum using the [CHARGING CORONA]

Question 3

Exposing

Answer 3

laser writes an image onto the photosensitive drum by lowering voltage -100VDC [NEGATIVE CHARGE]

Creates a POSTIVE CHARGE when it touches the drum

Question 4

Developing

Answer 4

developing roller has a NEGATIVE CHARGE & toner stuck to it

a. Laser writes to it a LESSER NEGATIVE CHARGE

b. As it rolls – PULLS toner toward the photosensitive drum

c. The toner is attracted to it

d. Toner attracted to wherever laser writes

Question 5

Transferring

Answer 5

image transferred from drum to paper
[Transfer Corona]

Question 6

Fusing

Answer 6

the fuser with a fuser roller & pressure roller make the image permanent

a. Paper exits the printer

Question 7

Cleaning

Answer 7

printer uses a rubber scrapper to clean the photosensitive drum