Ricoh A217 Service Manual page 11

ELECTRICAL COMPONENT DESCRIPTIONS
Symbol Index
No.
SW6 27 Main
SW7 26 Front Cover
Safety
Magnetic Clutches
CL1 61 Toner Supply
Not used
C L2
CL3 76 Transfer Belt Lift
CL4 58 Registration
CL5 63 By-pass Feed
CL6 71 Relay
CL7 72 Paper Feed
CL8 62 By-pass Relay
Solenoids
SOL1 67
SOL2 77 Junction Gate
SOL3 64 LCT Pick-up
SOL4 69 Pick-up
SOL5 70
Lamps
L1 3 Exposure
L2 43 Fusing
L3 88 Quenching
Heaters
H1 21 Drum (option)
H2 5 Optics Anti-
condensation
(option)
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Description
Supplies power to the copier.
Cuts the dc power line and detects whether
the front cover is open or not.
Turns the toner supply roller to supply toner
to the development unit.
Controls the touch and release movement of
the transfer belt unit.
Drives the registration rollers.
Starts paper feed from the by-pass feed table
or LCT.
Drives the relay rollers.
Starts paper feed from the paper tray.
Drives the by-pass relay rollers.
By-pass Pick-up Drops the pick-up roller to the by-pass paper
feed position. When paper is fed from the
LCT, this solenoid assists SOL3.
Moves the junction gate to direct copies to
the duplex tray or to the paper exit.
Drops the pick-up roller all the way down to
the LCT paper feed position from the by-pass
paper feed position.
Controls the up/down movement of the pick-
up roller in the paper tray.
Separation Controls the up/down movement of the
separation roller at the paper tray feed
station.
Applies high intensity light to the original for
exposure.
Provides heat to the hot roller.
Neutralizes any charge remaining on the
drum surface after cleaning.
Turns on when the main switch is off to
prevent moisture from forming around the
drum.
Turns on when the main switch is off to
prevent moisture from forming on the optics.
8
14 August 1997
Note