10-18 Phaser 6180 Color Laser Printer Service Manual
Plug/Jack and Wiring Diagrams
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.
I/L +24 VDC Denotes DC voltage when the Interlock Switch in 
MCU Board turns On.
+5 VDC
+3.3 VDC
Denotes DC voltage.
SG Denotes signal ground.
AG Denotes analog ground.
RTN Denotes return.
Symbol
Description
s6180-466
s6180-480
s6180-481
s6180-482
s6180-484
s6180-483