Electrical Component Description - Ricoh D129 Service Manual

4.3 ELECTRICAL COMPONENT DESCRIPTION

Symbol Name
Motors
Upper
M1
Transport
Lower
M2
Transport
M3 Jogger Fence
M4 Staple Hammer
M5 Stack Feed-out
M6 Exit Guide Plate
M7 Exit
M8 Lower Tray Lift
M9 Shift
M10 Stapler
Sensors
Entrance
S1
Paper Limit
S2
Jogger Fence
S3
HP
S4 Shift HP
Stack Feed-out
S5
Belt HP
S6 Stapler HP
Exit Guide Plate
S7
HP
Stapler Tray
S8
Entrance
S9 Lower Tray Exit
S10 Stack Height
Lower Tray
S11
Lower Limit
Stapler Tray
S12
Paper
S13 Staple Sheet
Stapler Rotation
S14
HP
Staple
S15
Solenoids
Tray Junction
SOL1
Gate
Stapler Junction
SOL2
Gate
SM
ELECTRICAL COMPONENT DESCRIPTION
Function
Drives the entrance roller and upper transport
rollers.
Drives the lower transport rollers and the
positioning roller.
Drives the jogger fences.
Drives the staple hammer.
Drives the stack feed-out belt.
Opens and closes the exit guide plate.
Drives the exit roller.
Moves the lower tray up or down.
Moves the shift roller from side to side.
Moves the stapler unit from side to side.
Detects copy paper entering the finisher and
checks for misfeeds.
Detects when the paper stack height in the
upper tray is at its limit.
Detects when the jogger fence is at home
position.
Detects when the shift roller is at home position.
Detects when the stack feed-out belt is at home
position.
Detects when the stapler is at home position.
Detects when the exit guide plate is at home
position.
Detects copy paper entering the stapler tray and
checks for misfeeds.
Checks for misfeeds.
Detects the top of the copy paper stack.
Detects when the lower tray is at its lower limit
position.
Detects when there is copy paper in the stapler
tray.
Detects the leading edge of the staple sheet.
Detects when the staple hammer is at home
position.
Detects whether there are staples in the staple
cartridge.
Drives the tray junction gate.
Drives the stapler junction gate.
13
Index No.
32
29
26
17
27
4
31
23
11
25
3
2
12
10
19
14
5
15
8
7
24
16
18
20
21
22
30
B408/D588