Xerox DocuColor 12/DCCS50 Service Manual page 1494

Initialization
Initialization includes several measurements and calculations to calibrate the image scanning
and processing circuits to images of known color and color purity. These include:
1. Automatic Gain Control
2. Automatic Output Control
Principles of Operation
Image Sensing (Digital Copier & Copier/Printer Con-
Figure 6 CCD Color Image Sensor
Figure 7 CCD Image Data Clocking
3. Shading Control
4. White Variation Correction
5. Automatic Density Control
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