Ricoh ST23 Service Manual page 7

6 March 1992
Symbol
Relay Solenoid
SOL23
Sensors
Entrance
S1
Registration
S2
S3 Proof Tray Exit
Bin/Jam (LED)
S4
Bin/Jam (Photo Tr) Detects if paper is in the bin.
S5
Staple Unit H.P.
S6
Jogger Unit H.P.
S7
S8 Grip H.P.
Hammer H.P.
S9
Jogger H.P.
S10
S11 Side Bar H.P.
Tray Gate H.P.
S12
Tray Gate Upper
S13
Position
Staple Unit
S14
Position
S15 Paper
S16 Staple End
Diagonal
S17 Transport Door
Open
S18 Timing
Relay Unit Cover
S19
Open
S20 Relay Sensor
Capacitor
C1 Main Motor
Noise Filter
Noise Filter
NF1
Name
Turn the relay gate to transport the copy to
the 2nd sorter.
Detects paper jams at the entrance of the
diagonal transport unit.
Detects paper jams at the horizontal transport
unit.
Detects paper jams at the proof tray exit.
Detects if paper is in the bin.
Detects paper jams at the bin.
Detects paper jams at the bin.
Detects if the staple unit is in the home
position.
Detects if the jogger unit is in the home
position.
Detects if the gripper is in the home position.
Detects if the staple hammer is in the home
position.
Detects if the jogger arm is in the home
position.
Detects if the side bar is in the home position.
Detects if the by-pass tray gate is in the home
position.
Detects if the by-pass tray gate is in the upper
position.
Detects the position of the staple unit.
Detect if copies are under the hammer.
Detects if the staple is present.
Detects if the diagonal transport door is open.
Supplies timing pulses to the main board.
Detects if the relay unit cover is open.
Detects paper jam at the relay unit.
Protects the PCB's from induced current.
Removes electrical noise generated by the
copier and the sorter stapler.
OVERALL MACHINE INFORMATION
Function
6
Index No.
43
37
21
2
3
19
4
10
11
13
17
33
34
35
32
7
16
39
29
41
42
23
25