Paper Feed Section And Paper Transport Section - Sharp AL-1000 Service Manual

Paper feed section and paper transport section

1. Paper transport path and general operations
(2)
(1)
(1) Scanner unit
(2) Copy lamp
(3) Lens unit
(4) LSU (Laser unit)
(5) Paper exit roller
Paper feed is made in two ways; the tray paper feed and the manual paper feed. The tray is of universal-type, and has the capacity
of 250 sheets. The front loading system allow you to install or remove the tray from the front cabinet.
The general descriptions on the tray paper feed and the manual paper feed are given below.
A. Cassette paper feed operation
1. The figure below shows the positions of the pick-up roller,
the paper feed clutch sleeve, and the paper feed latch in the
initial state without pressing the COPY button after lighting
the ready lamp.
The paper feed latch is in contact with the projection of the
clutch sleeve.
(5)
(6)
(3) (4)
(14)
(15)
(6) Main charger
(7) Heat roller
(8) Pressure roller
(9) Drum
(10) Transfer unit
2. When the COPY button is pressed, the main drive motor
7-5
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(11) Pickup roller
(12) Manual paper feed tray
(13) Manual paper feed roller
(14) PS roller unit
(15) Paper feed roller
starts rotating to drive each drive gear.
The pick-up drive gear also is driven at that time. Since,
however, the paper feed latch is in contact with the projec-
tion of the clutch sleeve, rotation of the drive gear is not
transmitted to the pick-up roller, which does not rotate there-
fore.
PFS
OFF
AL-1000/1010
RRS
OFF