Xerox Phaser 6121MFP Service Manual page 500

Wiring
10-12
Symbol
Optic Sensor
LED
Safety Interlock Switch
On Off Switch
Temperature Switch
NPN Phototransistor
I/L +24 VDC
+5 VDC
+3.3 VDC
SG
AG
RTN
Description
Denotes a Photo Sensor.
Denotes an LED.
Denotes a Safety Interlock Switch.
Denotes an On-Off Switch (single-pole, single-
throw switch).
Denotes an On-Off Switch (Temperature -
normally close).
Denotes an NPN Photo-transistor.
Denotes DC voltage when the Interlock Switch
in MCU Board turns On.
Denotes DC voltage.
Denotes signal ground.
Denotes analog ground.
Denotes return.
Phaser 6121MFP Service Manual