HP 2500 Service Manual - Page 79
Step 5: secondary transfer, Step 6: separation,
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Note Step 5: secondary transfer The secondary transfer roller, to which a dc positive bias is applied, imparts a positive charge to the print media. When the print media comes in contact with the transfer belt, the toner is transferred to the print media. When secondary transfer is complete, a dc negative bias is applied to the secondary transfer roller to prevent toner on the transfer belt from adhering to the secondary transfer roller. Figure 30. Step 5: secondary transfer Step 6: separation The elasticity of the print media causes its separation from the transfer belt. A static charge eliminator aids separation by weakening any electrostatic adhesion. Figure 31. Step 6: separation EN 4 Theory of operation 77
EN
4 Theory of operation
77
Step 5: secondary transfer
The secondary transfer roller, to which a dc positive bias is applied, imparts a positive charge to
the print media. When the print media comes in contact with the transfer belt, the toner is
transferred to the print media.
Note
When secondary transfer is complete, a dc negative bias is applied to the secondary transfer
roller to prevent toner on the transfer belt from adhering to the secondary transfer roller.
Figure 30.
Step 5: secondary transfer
Step 6: separation
The elasticity of the print media causes its separation from the transfer belt. A static charge
eliminator aids separation by weakening any electrostatic adhesion.
Figure 31.
Step 6: separation