ELECTRICAL COMPONENT DESCRIPTIONS
B234/B235/B236/D101/D102/D103 6-14 SM
Number Name Description
Sensors
collection unit is rotating.
S54 Toner Cylinder TE Sensor Signals toner end (TE) when the toner supply
cylinder is empty.
S55 Toner Hopper Sensor Monitors the level of toner in the toner supply
unit.
S56 Toner Pump Motor Sensor Detects whether the toner supply pump
motor is rotating.
S57 Upper Relay Sensor Detects misfeeds.
S58 Upper Toner Bottle Inner Cap
Sensor
Detects when the inner cap of the lower toner
bottle is opened.
S59 Upper Toner Bottle Sensor Detects when the upper toner bottle is set.
S60 Vertical Transport Sensor 1 Detects misfeeds in the vertical feed path.
S61 Vertical Transport Sensor 2 Detects misfeeds in the vertical feed path.
S62 Vertical Transport Sensor 3 Detects misfeeds in the vertical feed path.
S63 Toner Suction Bottle Rotation
Sensor
Monitors the rotation of the toner suction
bottle motor.
Number Name Description
Solenoids
SOL1 1st Pick-up Solenoid Controls the up-down movement of the pick-
up roller in tray 1.
SOL2 1st Separation Roller Solenoid Controls the up-down movement of the
separation roller in tray 1.
SOL3 2nd Cleaning Blade Solenoid Controls the operation of the 2nd cleaning
blade.
SOL4 2nd Pick-up Solenoid Controls the up-down movement of the pick-
up roller in tray 2.
SOL5 2nd Separation Roller Solenoid Controls the up-down movement of the
separation roller in tray 2.
SOL6 3rd Pick-up Solenoid Controls the up-down movement of the pick-
up roller in tray 3.
SOL7 3rd Separation Roller Solenoid Controls the up-down movement of the
separation roller in tray 3.
SOL8 Duplex/Inverter Junction Gate
Solenoid
In duplex mode, after the sheet is jogged and
fed out of the inverter this solenoid energizes
to open the duplex inverter gate to guide the
paper to the duplex unit below. In invert
mode, the solenoid remains closed and the
paper goes face-down out to the output tray
or the finisher.
SOL9 Front Side Fence Solenoid Opens and closes the front side fence in the
tandem tray.
SOL10 Guide Plate Solenoid Opens the guide plate when a paper misfeed
occurs around this area.
SOL11 LCT Guide Plate Solenoid Opens and closes the LCT guide plate
between the LCT and the bypass tray.
SOL12 Left Tandem Tray Lock Solenoid Locks the left tandem tray while paper is
being transported from left tray to right tray.
SOL13 Rear Side Fence Solenoid Opens and closes the rear side fence in the
tandem tray.
SOL14 Switchback Idle Roller Solenoid Controls the contact of the switchback idle
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