Functional Overview
Image Formation System
Photosensitive Drum
The photosensitive drum is the “heart” of the Image Formation
System. The special properties of this drum allow an image to be
formed on the dram’s surface and then transferred to paper. The
drum is an extruded aluminum cylinder. The outside of the
cylinder is coated with a layer of organic-photoconductive material
(01’C) which is non-toxic. The aluminum base of the photosensitive
drum is electrically connected to ground potential (s~e Figure 5-9).
\
A
“.-,:
‘“.;..,,Photosensitive
‘;;. Layer
.::
~~~ Aluminum
...”.
Base
Figure 5-9 Photosensitive Drum
5-23
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