Transfer stage
Step 4: The transfer charging roller, to which a DC positive bias is applied, imparts a positive charge
on the print media. When the print media comes in contact with the photosensitive drum, the toner is
transferred to the print media.
Figure 1-21 Transfer
Media
Transfer roller
Photosensitive
drum
Transfer bias
Step 5: The elasticity of the print media causes its separation from the photosensitive drum. A static
charge eliminator aids separation by weakening any electrostatic adhesion.
Figure 1-22 Separation
Media
Transfer roller
Photosensitive
drum
Static charge eliminator
Fusing stage
Step 6: The DC negative bias applied to the fusing film strengthens the holding force of the toner on
the print media and prevents the toner from scattering.
32 Chapter 1 Theory of operation ENWW
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