Step 2: Expose; Step 3: Develop - Konica Minolta bizhub 4020 Service Manual

bizhub 4020/3320 Service Manual

12.6.3 Step 2: Expose

The laser fires a focused beam of light at the surface of the photoconductor and writes an invisible
image, called a latent image. The laser beam only discharges the surface where the beam hits the
photoconductor. This creates a difference in charge potential between the exposed area and the rest of
the photoconductor surface.

12.6.4 Step 3: Develop

Once the laser exposes the photoconductor, the HVPS sends charge to the developer roll. Because of
the charge difference between the toner on the developer roller and the electrostatic image created by
the laser, the toner is attracted to areas of the photoconductor surface exposed by the laser.
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