Table 1-2 DC controller components (continued)
Component type Abbreviation Component name
Fan FM1 Main fan
FM2 Sub fan
Solenoid SL1 Cassette pickup solenoid
SL2 MP tray pickup solenoid
Switch SW1 Front interlock switch
SW2 Rear interlock switch
SW3 Cassette-presence switch
SW4 Cartridge door open detection switch
Photointerruptor PS1 TOP sensor
PS2 Loop sensor
PS3 Fuser delivery sensor
PS4 Delivery tray paper-full sensor
PS5 Cassette paper-presence sensor
PS6 MP tray paper-presence sensor
Sensor Environment sensor
Low-voltage power supply (LVPS)
The low-voltage power supply (LVPS) converts AC input voltage to DC voltage. The LVPS has two fuses on the
PCA. The LVPS 24 V output is interrupted to the fuser and the high-voltage power supply if the cartridge-door
interlock switch (SW501) is in the off position (cover open).
WARNING! The product power switch only interrupts DC voltage from the LVPS. The AC voltage is present in
the product when the power cable is plugged into a power receptacle and the power switch is in the off
position. You must disconnect the product power cable before servicing the product.
ENWW Engine control system 5
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