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Overall composition Lower Feeder Unit Theory of Operation
2-2
II Composition/Operation
Key Name Function/system
[1] Paper Lift Plate
• Surface on which the paper stack is placed
• Maximum paper capacity
Plain paper: 500 sheets
[2] Lower Feeder Unit Right Door
• Open to clear a sheet of misfed paper from the Lower
Feeder Unit.
[3] Auxiliary Guide
• Guides the paper conveyed toward the machine.
• Covers the Vertical Conveyance Roller.
• If two Lower Feeder Units are installed, remove the
Auxiliary Guide on the side of Tray 3.
[4] Paper Level Indicator Lever
• Indicates the level of the paper still available for use in
the Lower Feeder Unit.
[5] Trailing Edge Guide Plate
• Aligns the trailing edges of the paper stack in the
Lower Feeder Unit.
[6] Edge Guide Plate
• Aligns the edges of the paper stack in the Lower
Feeder Unit.
[7] Vertical Conveyance Roller
• Conveys the paper fed in from the Lower Feeder
Paper Feed Roller into the inside of the machine.
[8] Lower Feeder Separation Roller
• Separates paper in the Lower Feeder Unit.
• Small-diameter roller with a torque limiter
[9] Lower Feeder Paper Feed Roller • Feeds paper from the Lower Feeder Unit.
[10] Lower Feeder Motor (M1 PF)
• Drives the Lower Feeder Paper Feed Clutch (CL1 PF)
and Vertical Conveyance Roller.
[11]
Lower Feeder Paper Feed Clutch
(CL1 PF)
• Transmits drive from the Lower Feeder Motor (M1 PF)
to the Lower Feeder Paper Feed Roller.
[12]
Lower Feeder Paper Feed Sensor
Actuator
• Detects the paper fed in from the Lower Feeder Unit.
• Detects the paper fed in from Tray 3 when two Lower
Feeder Units are installed.
[13]
Lower Feeder Paper Feed Sensor
(PC3 PF)
[14] Size Detection Board
• Detects the length of the paper loaded in the Lower
Feeder Unit.
[15]
Lower Feeder Paper Size Switch
(S1 PF)
[16] Empty Sensor Actuator
• Detects the paper still available for use in the Lower
Feeder Unit.
[17]
Lower Feeder Paper Empty Sensor
(PC1 PF)
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