HP LaserJet M1120 - Multifunction Printer - Page 56

Figure 4-6 Engine-control-system circuit diagram
AC input
M
Fixing unit
Motor
Transfer roller
High-voltage
power supply
Low-voltage
power supply
Laser/scanner
unit
Solenoid
Formatter
Cartridge
Sensor
DC controller
Switch
Engine controller
Fixing control
40 Chapter 4 Operational theory ENWW