Sharp SF-7700 - Page 35

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SF–77OO
SF–7750
Step 8: Cleaning
The tone( remainin9on the dmm surface is removed by meansof
the cleanln9 blade,. me waste toner is then depositedin the waste
tonercontainerusingthe waste toner carryingshaft.
Blade
Cm CCL NuminiumlaYer
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‘esidua’‘oner~
OPCdrum
Ste~9:Discharqe
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BVe;posingthe drum-surfacewiththe @schargelamp,positiveand
towam the residual negative ti~ on the drum su~aca. In this
nqative chargesappear inthe CGL. The n~ative chargeprod~
way, the positivecharge and the negativecharge neutralizeeach
,n the CGL advances toward the residual positivecharge in the
other on the drumsurfaceand in the aluminiumlayer.
aluminiumlayer,whilethe positivechargeadvancesinthe aluminum
m
Di~arge lamp
Uumimumlayer
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3. Transition of drum sutiace
POtential
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Ughtarea I ,
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Restiualpotential(–SOto100V)
I
SteP1.2(charge),
—d
Step4 (charge)
Step5 (exposure)
Step
6 (&~pirrg)
step7 (transfer) step8
K-–-—
Damarea
Step31
radudion
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A
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(dixharge)
‘(cleaning)
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