Panasonic KV-S2087 (serv.man2) Service Manual ▷ View online
21
7.3.
Gate Mechanism
The Gate is driven by Conveyor Motor.
When the motor rotates in reverse, the gate cam rotates and it operates the open-close movement of the gate.
When the motor rotates in forward, the gate cam does not rotate due to the one-way clutch and the gate keeps the position.
When the motor rotates in reverse, the gate cam rotates and it operates the open-close movement of the gate.
When the motor rotates in forward, the gate cam does not rotate due to the one-way clutch and the gate keeps the position.
Gate
Gate Spring
Gate Cam with
One-way Clutch
Gate Pulley
Conveyor Motor
Reverse Rotation
Forward Rotation
Keep the Gate position
Forward Rotation
Keep the Gate position
open the Gate
close the Gate
Close the Gate
Open the Gate
Gate
Cam
22
7.4.
Paper Feed Operation
1. When the Paper Feed Motor rotates the Paper Feed Motor in the paper feed direction (Arrows
1
->
2
) , Paper Feed Roller will
go down until the roller is in contact with documents ( Arrow
3
), and then rotate in the paper feed direction (Arrow
4
).
At this time, Separation Roller will also rotate in the paper feed direction. (Arrows
1
->
2
->
5
)
Paper Feed Roller
DFP Roller
Paper Feed
Motor
Motor
Paper Feed Drive
Separation Drive Gear
Separation Roller
4
1
5
3
1
2
2
2
2
Forward Rotation
23
2. On the other hand, when the Paper Feed Motor rotates the Paper Feed Motor in the reverse direction of paper feed, the Paper
Feed Roller will rise and won't rotate. (Arrows
1
->
2
->
3
)
At this time, Separation Roller will also rotate in the paper feed direction. (Arrows
1
->
2
->
4
)
Paper Feed Roller
DFP Roller
Paper Feed
Motor
Motor
Separation Drive Gear
Separation Roller
4
1
2
3
1
2
Separation Roller
Reverse Rotation
24
7.5.
Background Color Switching Mechanism
Switching operation from white ( default ) to black background
1. Platen Motor and Slider Gear rotates in forward.
2. The slider for Front side is moved to the right side.
3. The slider pushes the Lever of the Reference Plate (F) and the background color is set from white to black.
4. The slider for Front side also pushes the Slider for Back side.
5. The slider pushes the lever of the Reference Plate (B).
6. The Reference Plate (B) rotates and the background color is set from white to black.
7. The slider for Front interrupts the Platen Home Sensor and then the slider returns to the standby position with reverse rotating
2. The slider for Front side is moved to the right side.
3. The slider pushes the Lever of the Reference Plate (F) and the background color is set from white to black.
4. The slider for Front side also pushes the Slider for Back side.
5. The slider pushes the lever of the Reference Plate (B).
6. The Reference Plate (B) rotates and the background color is set from white to black.
7. The slider for Front interrupts the Platen Home Sensor and then the slider returns to the standby position with reverse rotating
of the platen motor.
Platen Motor
Slider Gear
Platen Home Sensor
Background Slider
for Back side
for Back side
Background slider
for Front side
for Front side
1
2
4
5
3
6
Reference Plate (B)
Reference Plate (F)
7
*Actual shape is different.
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