Electrical Component Description - Ricoh A109 Service Manual

3. ELECTRICAL COMPONENT DESCRIPTION

Refer to the electrical component layout on the reverse side of the attached
Point to Point for symbols and index numbers.
Symbol
Motors
M1 Feed-in
M2 Belt Drive
M3 Feed-out
Sensors
S1 DF Position
S2 Feed-out
S3 Registration–2
S4 Original Width–3
S5 Original Width–1
S6 Original Width–2
S7 Registration–1
S8 Original Feed
S9 Original Set
S10 Pulse Count
Solenoids
SOL1 Inverter
SOL2 Stopper
SOL3 Separation
A109
Name
Drives the feed-in system (pick-up,
feed, pull-out rollers, separation belts)
Drives the transport belt.
Drives the feed-out and the inverter
system.
Informs the CPU when the DJF is
being closed so that original size
detection sensors can check the
original size.
Checks for original misfeeds and sets
original stop timing when in
auto-reverse mode.
Detects the leading edge of the original
to turn off the feed-in clutch and to
change the feed-in, belt drive motors
speed. Also detects the original length.
Detects the original width.
Detects the original width.
Detects the original width.
Detects the trailing edge of the original
to change the belt-drive motor speed.
Also, detects the original length and
original jam.
Detects if the originals reach the feed
roller or not.
Detects if the originals are set on the
feed table.
Counts the pulses generated by the
pulse generator disc to determine the
original length.
Energizes to invert the original when
copying two sided originals.
Lifts the original stopper and lowers the
press roller to feed the set of originals
to the feed roller.
Transmits drive to the separation belts.
Function
7-4
Index No.
1
2
5
7
8
10
11
12
13
14
15
16
19
4
9
18
FSM