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Hardware Basic 10/36
Toner transfer between OPC Drum & DV Roller
The DV roller has a potential of -200v. When this comes into contact with the OPC which
has a potential of 0v in the exposed areas, negatively charged toner (at -50 to -100v) is
attracted to the more positive exposed drum surface.
At the exposed area the following occurs:
At the non exposed area the following occurs:
Image Drum
0v
Image Drum
-600v
TOSHIBA CONFIDENTIAL
Dev. Roller
-
-
-
-
-
-200v
-
Dev R oller
-
-
-
-
-
-200v
-
29
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