5
PC DRUM
The photoconductive drum used in this copier is the organic photoconductor
(OPC) type.
*
The drum is made up of two distinct, semiconductive materials on an
aluminum alloy base. The outer of the two layers is called the Charge
Transport Layer (CTL), while the inner layer is called the Charge
Generating Layer (CGL).
The PC Drum has its grounding point inside at its rear end. When the
Imaging Unit is installed in the copier, the shaft on which the PC Drum Drive
Coupling Gear is mounted contacts this grounding point.
Handling Precautions
This photoconductor exhibits greatest light fatigue after being exposed to
light over an extended period of time. It must therefore be protected from
light by a clean, soft cloth whenever the Imaging Unit has been removed
from the copier.
Further, use utmost care when handling the PC Drum to prevent it from
being contaminated.
PC Drum
Gear
PC Drum Cross-Sectional View
CTL
CGL
Aluminum
Cylinder
Grounding
Plate
PC Drum Drive Coupling Gear
Shaft
Grounding Point
M-10
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