Pickup and feed system
The pickup/feed system, which picks up and feeds paper, consists of the various feed rollers. This
printer has two pickup sources: the cassette and the manual feed slot, and one delivery source: the
face-down tray. The following components are part of the pickup and feed system:
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Manual feed slot paper sensor (SR3): detects the presence of paper in the manual feed slot
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Cassette paper sensor (SR2): detects the presence of paper in the cassette
ł DC controller controls the following to drive each feed roller:
ł Main motor (M1)
ł Fuser/delivery motor (M2)
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Pickup motor (M3)
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Solenoid (SL1)
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Solenoid (SL2)
ł Solenoid (SL3)
ł Photo sensors:
ł SR1, SR4, and SR5 on the paper transport path detect the arrival and passage of paper
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SR9 detects the fuser pressure roller alienation in the fuser
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SR8 detects the paper width
The figure below illustrates the motors, solenoids, and sensors.
NOTE There is a short pause before the paper is picked up.
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