HP Color LaserJet Professional CP5220 - Page 20

DC controller
The DC controller controls the operational sequence of the product.
Figure 1-3 DC controller diagram
Fan
Control
panel
Switch
ITB unit
Cartridge
(x4)
TR2 high-voltage
power supply
Secondary
transfer roller
Fuser
DC controller
AC input
Low-voltage
power supply
Formatter
Laser scanner unit
Motor
Solenoid
Photointerrupter
Switch
Fan
Option
Sensor
LED
TR1 high-voltage
power supply
DEV high-voltage
power supply
The DC controller controls the product's electrical components, listed in the following table.
8 Chapter 1 Theory of operation ENWW