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2A1/2
2-1-2 Main charging section
The main charging section consists of the drum and main charger unit. The drum is electrically charged plus by means of
a grid to form a latent image on the surface. The shield grid ensures that the charge is applied uniformly.
Drum
Drum
2-1-4
Figure 2-1-3 Main charging section
HVTPCB
MC
CN1-1
CN1-3
GRID
CN1-4
CN1-5
Figure 2-1-4 Main charging section block diagram
Main charger unit
Tungsten wire
Shield grid
MPCB
24 V DC
CN6-15
MC REM
CN6-13
GRID CONT
CN6-12
MC ALM
CN6-11
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