Dell 3010CN Service Manual page 558

Side Guide
The Side Guide moves vertically towards paper feeding direction and aligns the width of
paper.
End Guide
The End Guide moves in parallel with paper feeding direction and aligns the width of paper.
Feed Solenoid
Feed Solenoid controls rotation of Feed Gear. When Solenoid is turned ON, Feed Gear lock is
disengaged and Feed Roll starts rotation. Paper feeding timing is controlled by Feed
Solenoid, so Solenoid is turned on and off repeatedly for each paper.
Feed Solenoid
Bottom Plate
Bottom Plate is locked to bottom side when Paper Cassette Tray is pulled out from Paper
Feeder and unlocked when Paper Cassette Tray is inserted to Paper Feeder, and pushes
paper against Feed Roll using spring pressure.
Feed Motor
Feed Motor drives Feed Roll and Turn Roll.
Feed Roll
Paper pushed by the Bottom Plate is fed by friction force of Feed Roll.
When Paper Cassette Tray is pulled out, nip with Retard Roll is released.
Turn Roll
Paper fed by Feed Roll is carried to Regi part.
Paper Path Sensor
This sensor detects that paper is fed from Paper Cassette Tray. (No paper:Sensor light
shielding)
Feed Roll
Retard Roll
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Chapter 6 Principle s of O peration
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