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2.6.4 Temperature control
When the main switch turns on, the CPU turns on the
detect the standby temperature. Then the CPU raises
detect the standby temperature Then the CPU raises
NC Sensor2
Overheat Protection
The CPU cuts power to the fusing lamp in the following
• The heating roller temperature detected by the NC se
The following components are destroyed when thermis
• Two thermostats for the heating roller get into line wi
• If one of the thermostat temperatures becomes highe
lamp. If the other thermostat temperature becomes h
the fusing lamp.
Service Manual
2. Product d
NC Sensor1
description
fusing lamp. The lamp stays on until the NC sensors
s the temperature up to the printing temperature.
s the temperature up to the printing temperature
Thermos
stat 1
Thermostat 2
g cases:
ensors becomes higher than 198℃.
stor overheat protection fails:
th the common ground line of the fusing lamp.
er than 170°C, it opens and cuts power to the fusing
higher than 170°C, it also opens and cuts power to
2-4
43
Lamp 1(700W) :
Center heating
Lamp 2(600W) :
Side heating
SAMSUNG ELECTRONICS
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