Ricoh FT4460 Service Manual page 401

OPTION
ADF
ADF
Index
Name Function
NO.
Motors
6
Belt Drive Motor DC servomotor that drives the transport
bell and feed-in system (pick up roller.
feed roller, pull out roller and relay roller)
DC servomotor that drives t h e feed out
10 Feed out Motor
unit of the DF
Solenolds
Energizes to press the pick u p lever
against the stack of orignals in prepara
tion for orlglnal feed In
14 Feed in Solenoid Turns on to engage the feed I
rotation is transmitted to the feed roller,
pull out rollers, and relay rollers
11 Inverter Solenoid Energizes to invert the orlglnal when copy
ing two sided originals
Switches
8 Llft S w i t c h Informs the CPU when the DF is lIfted and
also serves as the Jam reset switch for the
DF
13 Original Select Selects thick original mode or thin origlnal
Switch mode
Sensors
1
Original Set Sensor Informs copier System Control PCB that
originals have been placed and causes
the i n s e r t Original lndlcator to trun off
2 R e g i s t r a t i o n
Sets original stop timing and measures
Sensor orlglnal length
4 Original Width Determines the width of the originals
Sensor
3 Pulse Generator Generates pulses used to measure the
Sensor original length
12 Feed out Sensor Checks for original misfeeds and sets
orlglnal slop timing when in auto reverse
mode
Printed Circuit Boards
9 DF Main Board Controls all DF f u n c t i o n s
7 lndlcator Panel Contains operator indicator
Board
P to P
Symbol
Location
M11 B-1
M12 B-2
S O L 1 0 B-2
clutch so
SOL11 B-2
II
SOL12 B-2
SW7 B-4
SW8
B-3
S26 B-3
S27 B-4
S28 B-4
S29 B-3
S30
B-4
PCB6 A-1
B-3