HP 5L (C3941A) manual DC Controller/Power System, DC Controller Loads

DC Controller/Power System

The DC Controller PCA coordinates all print engine activities, drives the laser, and coordinates print data from the Formatter PCA with the image formation process. The DC Controller also includes both AC and dc power supply and distribution circuitry. The DC Controller controls the following systems and functions:

∙Print Engine Control

∙Laser and Scanner Drive

∙Paper Motion Photosensors (Paper Out, Paper Registration, and Paper Exit Sensors)

∙Motor

∙Power System

∙AC Power Distribution

∙DC Power Distribution

∙Overcurrent/Undervoltage Protection

∙SleepMode

∙High Voltage Power Distribution

Figure 5-2

Figure 5-2 shows the various DC controller loads.

AC Driver
Low-Voltage	+5V
Supply	+12V

DC Controller Loads

5 - 4 Functional Overview