HP LASERJET ENTERPRISE M775dn - Page 128

Figure 1-72 3x500-sheet paper deck signal flow block diagram
DC controller
Paper deck
controller 1
Motor
Solenoid
Photointerrupter
Switch
Paper deck cassette 1
+24V
+3.3V
Paper deck
controller 2
Paper deck
controller 3
Paper deck cassette 2
Paper deck cassette 3
Motor
Solenoid
Photointerrupter
Motor
Solenoid
Photointerrupter
96 Chapter 1 Theory of operation ENWW