HP Color LaserJet CP2020 Series - Page 82

DC controller
Figure 5-4 DC controller circuit diagram
AC input
M
CL
M
CL
Fuser unit
Motor
High-voltage
power supply
Power supply
unit
Option
Laser scanner
Solenoid
Formatter
Cartridge
Photointerrupter
DC controlle r
Switch
ITB unit
Sensor
Fan
Clutch
Solenoid
Fan
Clutch
(Duplex model only)
Operation panel
62 Chapter 5 Theory of operation ENWW