Electrical Component Description - Ricoh ST23 Service Manual

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OVERALL MACHINE INFORMATION

1.4 ELECTRICAL COMPONENT DESCRIPTION

Symbol
Name
Motors
Main
M1
Staple Unit
M2
Positioning
Jogger Unit
M3
Positioning
Side bar
M4
Grip
M5
Staple
M6
Jogger
M7
By-pass Tray Gate Drives the by-pass tray gate up or down to
M8
Switches
Front Door
SW1
Vertical Transport
SW2
Door
Horizontal
SW3
Transport Door
Circuit Boards
PCB1
Main
DC Power Supply Convert ac voltage to 5 V dc and 24 V dc to
PCB2
Bin Solenoid
PCB3
Control 1
Bin Solenoid
PCB4
Control 2
Solenoids
Bin
SOL1~20
Grip
SOL21
Pressure Release Releases pressure of the brake roller when
SOL22
Function
Drives the diagonal transport unit, horizontal
transport unit, and distribution unit through
timing belts.
Drives the staple unit up or down to the
appropriate bin. (dc stepper)
Drives the jogger unit up or down to the
appropriate bin. (dc stepper)
Drives the side bar side to side according to
the paper size. (dc stepper)
Drives the gripper forward into the bin to grip
the copies and bring them to the stapling
position. (dc brush)
Feeds the staples and drives the stapler
hammer. (dc brush)
Drives the jogger arm to align the copy. (dc
stepper)
switch the paper delivery tray.
De-energize the main motor and cuts 24 V
line when the front door is open.
De-energize the main motor when the vertical
transport door is open.
Informs the main board if the cover is open.
Controls overall sorter stapler functions.
supply power to all dc components.
Interfaces between the bin solenoids 1 ~ 10
and the main board.
Interfaces between the bin solenoids 11 ~ 20
and the main board.
Opens and closes the bin gate to direct the
copies into the appropriate bin.
Opens and closes the bin gate to drive the
grippers to grip copies on the bins.
the paper is fed lengthwise.
5
6 March 1992
Index No.
22
5
9
1
12
15
18
36
8
6
20
31
26
28
30
27
14
38

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