Samsung SCX-8030ND Series - Temperature Control

2. Product
D
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
Thermistor2
Thermistor1
NC Sensor1
NC Sensor2
Th
e
Overheat Protection
The CPU cuts power to the fusing lamp in the followin
g
• The fuser belt temperature detected by the NC sens
o
• The fuser belt temperature detected by the thermist
o
The following components are used if thermistor over
h
• Two thermostats for the fuser belt get into line with t
h
• If one of the thermostat temperatures becomes high
e
lamp. If the other thermostat temperature becomes
h
fusing lamp.
Service Manual
SCX-8030/8040 series
2-
3
D
escription
fusing lamp. The lamp stays on until the NC sensors
the temperature to the
printing temperature
the
temperature
to
the
printing
temperature
.
Lamp 1(700W) : Center heating
e
rmostat 1
Thermostat 2
g
cases:
Lamp 2(600W) :
Side heating
o
rs becomes higher than 198℃.
o
rs becomes higher than 210℃
h
eat protection fails.
h
e common ground line of the fusing lamp.
e
r than 170°C, it opens and cuts power to the fusing
h
igher than 170°C, it also opens and cuts power to the
SAMSUNG ELECTRONICS
Version 0.05
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