Epson EPL-9000 Service Manual page 74

Operating
2.1.3.9 Imaging
The actuator push to
switch is imaging cartridge sensor. The LD switch is laser power off switch. Laser power is
cut off at no imaging cartridge.
Figure 2-33. Imaging Cartridge Sensor
2.1.3.10 Power Supply Circuit Function and Safety Protection
This printer's low voltage supply board
used bias voltages supply, main motor drive, polygon scanner motor drive, fan motor drive, and
solenoid drive. The +24
protection.
Low Voltage
Board
2-22
Sensor
switch and LD switch, while
LD Switch
supplies +5
line is cut, while interlock switch
Figure 2-34. Power Supply Circuit
cartridge is set to
and +24
open switch) is off. It's a safety
interlock
switch
"
Board
+24 is
Rev.