1/05
10-71
DocuColor 12/DCCS50
Image Sensing (Digital Copier & Copier/Printer
Principles of Operation
Reissue
• The Pre-IPS PWBA adjusts the effective sensitivity of the CCD so that it is the inverse of
the Xenon Lamp AC drive signal.
• The drive signal to the Xenon Lamp is intermittently interrupted as shown in Figure 4.
Figure 3 IIT Lamp, Motor and Fan Simplified Block Diagram