ELECTRICAL COMPONENT DESCRIPTIONS
SM 6-15 B234/B235/B236/D101/D102/D103
Detailed
Descriptions
Number Name Description
Solenoids
roller with the switchback roller.
SOL15 Switchback Junction Gate Solenoid Operates the switchback junction gate.
Raises the gate to allow paper to enter the
inverter tray. Lowers the gate to prevent
paper from re-entering the vertical path after
the switchback roller reverses to send the
paper out of inverter tray.
SOL16 Tandem Tray Connect Solenoid Connects/disconnects the two halves of the
tandem tray.
SOL17 Toner Recycling Shutter Solenoid Controls the shutter mechanism in the toner
recycling system.
SOL18 Transfer Belt Lift Solenoid Controls the up-down movement of the
transfer belt unit.
Number Name Description
Switches
SW1 Circuit Breaker Provides back-up high current protection for
the electrical components.
SW2 Cleaning Unit Set SW A push switch that detects when the cleaning
unit is set correctly.
SW3 Fusing Unit Set Detection Pins These are the pins that complete a circuit to
tell whether the fusing unit is installed or set
correctly.
SW4 Left Front Door Safety Switch Cuts the +5 LD dc power to disable the LD
unit when the front left door is open.
SW5 Left Front Door Safety Switch 2 Cuts the 24V power from the PSU-E to the
IOB when the front left door is opened.
SW6 Main Power Switch Provides power to the machine. If this is off,
there is no power supplied to the machine.
SW7 Right Front Door Safety Switch Cuts the 24V power from the PSU-E to the
IOB when the front right door is opened.
SW8 Right Front Door Safety Switch 2 Cuts the 24V power from the PSU-E to the
IOB when the front left door is opened.
SW9 Toner Suction Bottle Set Switch Detects whether the toner suction bottle is
installed or set correctly.
SW10 2nd Tray Paper Size Switches Determines the size of paper in tray 2. Also
detects when the tray has been placed in the
machine.
SW11 3rd Tray Paper Size Switches Determines the size of paper in tray 3. Also
detects when the tray has been placed in the
machine.
SW12 Toner Collection Bottle Set Switch Detects when the toner collection bottle is
set.
SW13 2nd Cleaning Blade Release Switch Monitors the operation of the release
mechanism of the 2nd cleaning blade.
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