HP (Hewlett-Packard) 5L (C3941A) Printer User Manual


 
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 shows the various DC controller loads.
DC Controller Loads
Low-Voltage
Supply
AC Driver
+5V
+12V
Figure 5-2
5 - 4 Functional Overview