Ricoh B230 Service Manual
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![Page 1276
Paper Feed, Paper End, Lift and Relay Sensors
B801 10 SM
1.9 PAPER FEED, PAPER END, LIFT AND RELAY
SENSORS
1. Paper feed unit (
Paper Feed Unit)
2. Vertical transport sensor bracket [A] (
x 1, x 1)
3. Relay sensor [B]
4. Paper feed sensor bracket [C]
5. Paper feed sensor [D]
6. Paper end feeler [E]
7. Paper end sensor holder [F] (hook x 3)
8. Paper end sensor [G] (
x 1, hook x 3)
9. Lift sensor (
x 1, hook x 3)](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1275.png "Page 1276
Paper Feed, Paper End, Lift and Relay Sensors
B801 10 SM
1.9 PAPER FEED, PAPER END, LIFT AND RELAY
SENSORS
1. Paper feed unit (
Paper Feed Unit)
2. Vertical transport sensor bracket [A] (
x 1, x 1)
3. Relay sensor [B]
4. Paper feed sensor bracket [C]
5. Paper feed sensor [D]
6. Paper end feeler [E]
7. Paper end sensor holder [F] (hook x 3)
8. Paper end sensor [G] (
x 1, hook x 3)
9. Lift sensor (
x 1, hook x 3)")
![Page 1281
Paper Feed
SM 15 B801
B801
LCIT
2.2 PAPER FEED
This products uses an FRR type paper feed mechanism.
The paper feed unit consists of the pick-up roller [A], paper feed roller [B], separation roller
[C], and relay rollers.
There is a torque limiter in the back of the separation roller (ferrite powder type).](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1280.png "Page 1281
Paper Feed
SM 15 B801
B801
LCIT
2.2 PAPER FEED
This products uses an FRR type paper feed mechanism.
The paper feed unit consists of the pick-up roller [A], paper feed roller [B], separation roller
[C], and relay rollers.
There is a torque limiter in the back of the separation roller (ferrite powder type).")
![Page 1282
Separation Roller and Pick-Up Roller Release
B801 16 SM
2.3 SEPARATION ROLLER AND PICK-UP ROLLER
RELEASE
To prevent the paper from being torn when pulling out the paper feed tray, the separation
and pick-up rollers release automatically.
When the paper tray [A] is not inside the machine, the separation roller [B] is away from
the paper feed roller [C], and the pick-up roller [D] stays in the upper position.
When the paper tray is set into the machine, it pushes the release lever [E]. This...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1281.png "Page 1282
Separation Roller and Pick-Up Roller Release
B801 16 SM
2.3 SEPARATION ROLLER AND PICK-UP ROLLER
RELEASE
To prevent the paper from being torn when pulling out the paper feed tray, the separation
and pick-up rollers release automatically.
When the paper tray [A] is not inside the machine, the separation roller [B] is away from
the paper feed roller [C], and the pick-up roller [D] stays in the upper position.
When the paper tray is set into the machine, it pushes the release lever [E]. This...")
![Page 1283
Tray Lift
SM 17 B801
B801
LCIT
2.4 TRAY LIFT
When the paper feed tray is pushed in the machine, the tray switch on the back turns on
and the tray lift motor [A] starts. The base plate lift shaft [B] is coupled to the lift motor at
the shaft [C], so the base plate [D] of the tray is lifted. After a short while, the top of the
paper stack contacts the pick-up roller and lifts it up. Then the motor stops lifting the plate
when the upper limit sensor actuator enters the sensor (
Electrical...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1282.png "Page 1283
Tray Lift
SM 17 B801
B801
LCIT
2.4 TRAY LIFT
When the paper feed tray is pushed in the machine, the tray switch on the back turns on
and the tray lift motor [A] starts. The base plate lift shaft [B] is coupled to the lift motor at
the shaft [C], so the base plate [D] of the tray is lifted. After a short while, the top of the
paper stack contacts the pick-up roller and lifts it up. Then the motor stops lifting the plate
when the upper limit sensor actuator enters the sensor (
Electrical...")
![Page 1285
Paper End Detection (Paper Feed Side)
SM 19 B801
B801
LCIT
2.6 PAPER END DETECTION (PAPER FEED SIDE)
The paper end sensor 1 [A] detects when copy paper in the paper feed side runs out.
When there is paper in the tray, the paper pushes up the feeler [B] and the actuator enters
the sensor. When paper runs out, the feeler drops in to cutout [C] and the actuator leaves
the sensor, and the machine detects that there is no paper in the tray.](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1284.png "Page 1285
Paper End Detection (Paper Feed Side)
SM 19 B801
B801
LCIT
2.6 PAPER END DETECTION (PAPER FEED SIDE)
The paper end sensor 1 [A] detects when copy paper in the paper feed side runs out.
When there is paper in the tray, the paper pushes up the feeler [B] and the actuator enters
the sensor. When paper runs out, the feeler drops in to cutout [C] and the actuator leaves
the sensor, and the machine detects that there is no paper in the tray.")
![Page 1286
Paper Stack Transport
B801 20 SM
2.7 PAPER STACK TRANSPORT
When the paper in the paper feed side is used up, the tray motor [A] and stack transport
clutch [B] turn on. Then the end fence [C] moves the stack of paper from the paper
storage side to the paper feed side.
ƒ During paper feed, the stack transport clutch (
Electrical Component Layout)
does not switch on, so drive from the tray motor only transfers to the relay roller
and not to the fence mechanism.
While the stack is in motion,...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1285.png "Page 1286
Paper Stack Transport
B801 20 SM
2.7 PAPER STACK TRANSPORT
When the paper in the paper feed side is used up, the tray motor [A] and stack transport
clutch [B] turn on. Then the end fence [C] moves the stack of paper from the paper
storage side to the paper feed side.
ƒ During paper feed, the stack transport clutch (
Electrical Component Layout)
does not switch on, so drive from the tray motor only transfers to the relay roller
and not to the fence mechanism.
While the stack is in motion,...")
Paper Feed SM 15 B801 B801 LCIT 2.2 PAPER FEED This products uses an FRR type paper feed mechanism. The paper feed unit consists of the pick-up roller [A], paper feed roller [B], separation roller [C], and relay rollers. There is a torque limiter in the back of the separation roller (ferrite powder type).
Separation Roller and Pick-Up Roller Release B801 16 SM 2.3 SEPARATION ROLLER AND PICK-UP ROLLER RELEASE To prevent the paper from being torn when pulling out the paper feed tray, the separation and pick-up rollers release automatically. When the paper tray [A] is not inside the machine, the separation roller [B] is away from the paper feed roller [C], and the pick-up roller [D] stays in the upper position. When the paper tray is set into the machine, it pushes the release lever [E]. This causes the pick-up roller [D] to go down into contact with the top sheet of paper and the separation roller [B] to move up and contact the paper feed roller.
Tray Lift SM 17 B801 B801 LCIT 2.4 TRAY LIFT When the paper feed tray is pushed in the machine, the tray switch on the back turns on and the tray lift motor [A] starts. The base plate lift shaft [B] is coupled to the lift motor at the shaft [C], so the base plate [D] of the tray is lifted. After a short while, the top of the paper stack contacts the pick-up roller and lifts it up. Then the motor stops lifting the plate when the upper limit sensor actuator enters the sensor ( Electrical Component Layout). When paper in the tray is used up, the pick-up roller is gradually lowered, and the actuator leaves the lift sensor [E]. When this happens, the lift motor begins turning again. The tray will then be lifted until the actuator enters the upper limit sensor again). When the tray is removed from the copier, the coupling between the lift motor [A] and base plate lift shaft [B] is broken and the base plate goes into a controlled free fall (using a damper to slow the fall and prevent damage).
Paper Amount Detection B801 18 SM 2.5 PAPER AMOUNT DETECTION The table lists the sensors that are used to detect the amount of remaining paper. Right Tray (Paper feed side) ƒ Paper end sensor 1 ƒ Paper height sensor 1 to 3 Left Tray (Paper storage side) ƒ Paper height sensor 4 and 5 ƒ Paper end sensor 2 Right Tray Paper Height Sensor Amount of paper 1 2 3 Paper End Sensor Display No. of Line 100% OFF OFF OFF ON 4 70% OFF OFF ON ON 3 30% OFF ON - ON 2 10% ON - - ON 1 Paper End - - - OFF 0 Left Tray Paper Height Sensor Amount of paper 4 5 Paper End Sensor Display No. of Line 100% OFF OFF OFF 4 70% ON OFF OFF 3 30% ON ON OFF 2 Paper End ON ON ON 0
Paper End Detection (Paper Feed Side) SM 19 B801 B801 LCIT 2.6 PAPER END DETECTION (PAPER FEED SIDE) The paper end sensor 1 [A] detects when copy paper in the paper feed side runs out. When there is paper in the tray, the paper pushes up the feeler [B] and the actuator enters the sensor. When paper runs out, the feeler drops in to cutout [C] and the actuator leaves the sensor, and the machine detects that there is no paper in the tray.
Paper Stack Transport B801 20 SM 2.7 PAPER STACK TRANSPORT When the paper in the paper feed side is used up, the tray motor [A] and stack transport clutch [B] turn on. Then the end fence [C] moves the stack of paper from the paper storage side to the paper feed side. ƒ During paper feed, the stack transport clutch ( Electrical Component Layout) does not switch on, so drive from the tray motor only transfers to the relay roller and not to the fence mechanism. While the stack is in motion, it pushes the side fence [D] aside, and the side fence sensor [E] detects that the fence is open. After the stack has been moved all the way across, a spring in the side fence moves the side fence back, and the side fence sensor detects that the fence is closed. Then, the tray motor reverses until end fence home position sensor [F] is deactivated.