Drum Unit; Photosensitive Drum; Primary Charger; Transfer Roller - Brother HL-6050 Service Manual

CHAPTER 3 THEORY OF OPERATION
2.4

Drum Unit

2.4.1

Photosensitive drum

Generates the latent electrostatic image and develops the image on the drum surface.
2.4.2

Primary charger

Forms a uniform charge on the drum surface.
(1) Corona wire
Generates the ion charge on the drum.
(2) Grid
Spreads the ion charge evenly over the drum surface.
2.4.3

Transfer roller

Transfers the toner image to the paper from the drum surface.
2.4.4

Cleaner

Removes the paper dust or dirt on the surface of the photosensitive drum.
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