![](/images/new-backgrounds/1185436/185436113x1.webp)
Charging the drum
The following shows a simplified diagram of the electrophotographic components in relation to the engine system. Charging the drum is done by the main charger unit A.
High voltage board
Bias board
MHVDR
Engine board
Main charging output |
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A |
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B | C |
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Zener |
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board |
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Figure 4-1-4 Charging the drum
As the drum C rotates in a “clean (neutral)” state, its photoconductive layer is given a uniform, positive (+) corona charge dispersed by the main charger wire B.
Due to