Paper Feed Section - Sharp AL-1611 Service Manual

Makes the laser scanning speeds at both ends of the drum same as
each other.
a ≠ b ≠ c
a b c

5. PAPER FEED SECTION

A. Basic structure
1 No. 1 cassette paper feed roller (Semi-circular roller)
2 Main motor
3 No. 1 cassette paper feed solenoid
4 No. 1 cassette paper feed roller clutch
5 Manual paper feed roller
6 Manual paper transport roller
7 Manual paper feed roller clutch
8 Manual paper transport roller clutch
9 Manual paper feed roller solenoid
10 Manual paper transport roller solenoid
11 Resist roller
12 Resist roller clutch
13 Resist roller solenoid
B. Laser beam path
d = e = f
d e f
Picks up paper from No. 1 cassette.
Drives the process section and the paper transport section.
Rotates and controls No. 1 cassette paper feed roller.
Drives No. 1 cassette paper feed roller.
Picks up paper from the manual paper feed tray.
Transport paper which was picked up from the manual paper feed tray.
Drives the manual paper feed roller.
Drives the manual paper transport roller.
Rotates and controls the manual paper feed roller.
Rotates and controls the manual paper transport roller.
Takes synchronization between the paper lead edge and the image lead edge.
Drives the resist roller.
Rotates and controls the resist roller.
AL-1611/AL-1622 OPERATIONAL DESCRIPTIONS
6 – 6