Kyocera FS 1100 Service Manual - Page 96
(2) Main charger unit, Main charger wire
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2H5/2HS (2) Main charger unit As the drum rotates in a "clean (neutral)" state, its photoconductive layer is given a uniform, positive (+) corona charge dispersed by the main charger wire. Due to high-voltage scorotron charging, the charging wire can get contaminated by oxidization after a long run. Therefore, the charger wire must be cleaned at a specific interval. Cleaning the charging wire prevents print quality problems such as black streaks. 1 2 3 4 Figure 2-1-10 Main charger unit (1) Main charger shield (2) Main charger wire (3) Main charger grid (4) Main charger wire cleaner Main charger wire Main charger output M Main charger shield Main charger grid High voltage PWB Zener PWB Drum Figure 2-1-11 Drum unit and main charger unit block diagram 2-1-6
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