Canon iR4570 Series, Service Manual

Page: 240 / 876

Chapter 7
7-4
7.2 Image Formation Process
7.2.1 Image Formation Process (outline)
0006-5983
iR2270 / iR2870 / iR3570 / iR4570
F-7-2
T-7-6
[A]Pickup
[B]Registration
[C]Fixing
[D]Delivery
Item Description
[1]Pre-exposure removes residual charges from the drum.
[2]Primary charging charges the surface of the photosensitive drum to a
uniform negative potential.
[3]Laser exposure forms a latent static image on the drum.
[4]Development forms a visible image on the drum.
[5]Transfer transfers images from the drum to paper.
[6]Separation separates paper from the drum.
[7]Drum cleaning removes toner from the drum.
[6]
[B]
[4]
[2]
[7]
[5]
[3]
[C]
[A]
[1]
[D]