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Principles
2.1.3.3
Control
The
is heated by the heater rod.
supply board
receives the HEATER ROD ON signal from the engine
voltage is cut by interlock switch, when the front cover is open.
The temperature for the
thermistor, the engine controller board (MC
ROD ON signal. standby mode
152 degrees C, and envelope printing mode is 170 degrees C
When paper size is set to
sets the
temperature to envelope printing mode.
ine Controller Board
TEMP.
HEATER
ROD ON
The following figure is the temperature for the
HEATER ROD ON
Temperature
182 degree C
c
152
147 degree C
122 degree C
Figure 2-28. Temperature for
2-16
heater rod's power is AC voltage. The low voltage
AC voltage to the heater rod, when the power supply board
is detected by the thermistor. Based on the TEMP. signals from the
temperature is 147 degrees C, normal paper printing mode is
DL,
or COM-10, the engine controller board (MC
Low Voltage Supply
Board
PIJ11
13
1
Figure 2-27.
On
Standbv mode)
: :
board (MC
controls the
temperature by the HEATER
1
AC
AC
Control Circuit
control procedure.
Print Starr Paper Exit
.
,
Control Procedure
Service
This AC
Thermistor
Thermostat
Thermal
Fuse
Heater Rod
Rw.
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