HP LaserJet Enterprise 500 Step 1: Pre-exposure, Step 2: Primary charging, Figure, Figure 1-11 Pre-exposure

Step 1: Pre-exposure

Light from the pre-exposure LED strikes the surface of the photosensitive drum to remove any residual electrical charges from the drum surface.

Figure 1-11 Pre-exposure

Step 2: Primary charging

The primary-charging roller contacts the photosensitive drum and charges the drum with negative potential.

Figure 1-12Primary charging

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