Sharp SF-7700 - Page 32

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SF–7700
SF-77W
Step 3: Di~harge
Ught from the diwharge lamp is proj~ed ontothe drumWtiaw.
P@itive and negativechargesappear inthe CGL of the drum.me
negative charge in the CGL moves tiard the positivecharge in
the aluminiumlayer. Meantiiie, the positivetitige movestmard
the negative charge on the drum sudam created at Step 1. me
drums”sutia~ charge is ~u@,to a very IW potential(almostO
volts)-use of the neutr~izationeff~, that ~ra ktieen the
positive and negatie charges on hth the dmms surfa- and
aluminummre.
m
Di*a~e iamp
Atier St~ 1 (time), ~p 2 (-ani~) @ Step 3 (discha~e), the
drum surfam petenti~ -roes stile end is ready for operation.
Step 4: Charge(Main coronaunit)
A negative - is applied over the drum surface ~ the main
corona unit.A posfive charge devebps in the duminium layer.
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