MX3500N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 9
H. Switches
Signal name Name Type Function/Operation Note
1TNFD Waste toner full detection switch Mechanical switch Detects the waste toner full.
DHSW
(Japan only)
Dehumidifier heater switch Seesaw switch Turns ON/OFF the power lone of the dehumidifier heaters
provided in the scanner (reading) section and the paper
feed section.
DSW-F Front door open/close switch Micro switch Detects open/close of the front door, and turns ON/OFF
the power line of the fusing motor and the LSU laser.
DSW-R Right door open/close switch Micro switch Detects open/close of the right door, and turns ON/OFF
the power line of the fusing motor and the LSU laser.
MSW Main SW Seesaw switch Turns ON/OFF the main DC power source.
PWRSW Operation panel power switch Push switch Outputs the ON/OF control signal of the DC power source.
DSW-R
PWRSW
DSW-F
MSW
1TNFD
DHSW
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