Table 1-13 Fuser components (continued)
Type of component Abbreviation Name Function
Thermistors
(Contact type)
TH2, TH3 Sum thermistors Detects the edge temperature of the
fuser heater.
Thermal switch
(Contact type)
TP Thermal fuse Prevents an abnormal temperature
rise in the fuser heater
Fuser control functions
The following gure shows the fuser control functions
16 Chapter 1 Theory of operation ENWW
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