Samsung ML-1640 Service Manual page 29

2.2.2.5 SMPS board (Switching Module Power Supply)
The SMPS supplies DC Power to the System.
It takes 110V/220V and outputs the +5V, +24V to supply the power to the main board and other board. It is
consisted of the AMPS part, which supplies the DC power for driving the system, and the AC heater control part,
which supplies the power to fuser. SMPS has two output channels. Which are 5V and +24V
CON1(Inlet)
F1(Fuse/250V, 5A)
Power Switch
Pin Signal
<CON2>
Pin No
1
2
3
4
5
6
7
8
9
Service Manual
Product spec and feature
Pin Name
+24VS2
+24V
+24VS1
+24VS1
+5V
DGND
DGND
P_REGI
FUSER ON
2-20
Micro Switch
CON2
(Output)
Exit Sensor
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