Xerox Phaser 6500 Service Manual page 72

Theory of Operation
Microswitches
Thermistors
2-18
Microswitches are used primarily as paper size sensors and cover interlocks. They
are in a normally open state, and close when actuated. Microswitches frequently
employ hooks or catches on the switch housing for retention in the bracket or
frame.
Actuator
Contact
Thermistors have a known value of resistance whose value varies with
temperature. Used primarily in the Fuser for temperature sensing.
Xerox Internal Use Only
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Button
Blade
Interlock_Switch
Phaser 6500/WorkCentre 6505 Service Manual