Ricoh B230 Service Manual
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![Page 1257
Paper Lift
SM 13 B800
B800
Paper Fed
Unit
2.5 PAPER LIFT
When the machine detects that a tray has been placed in the machine, the tray lift motor
[A] rotates and the coupling gear [B] on the tray lift motor engages the pin [C] on the lift
arm shaft [D]. Then the tray lift arm lifts the tray bottom plate [E] until the paper lift sensor
for the tray detects that the top of the stack is at the paper feed position.
When the tray is removed from the machine, the connection between the coupling...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1256.png "Page 1257
Paper Lift
SM 13 B800
B800
Paper Fed
Unit
2.5 PAPER LIFT
When the machine detects that a tray has been placed in the machine, the tray lift motor
[A] rotates and the coupling gear [B] on the tray lift motor engages the pin [C] on the lift
arm shaft [D]. Then the tray lift arm lifts the tray bottom plate [E] until the paper lift sensor
for the tray detects that the top of the stack is at the paper feed position.
When the tray is removed from the machine, the connection between the coupling...")
![Page 1258
Paper Height and End Detection
B800 14 SM
2.6 PAPER HEIGHT AND END DETECTION
2.6.1 PAPER HEIGHT DETECTION
Two paper height sensors [A] [B] and actuator [C] are built into the paper tray lift motor.
The paper height sensors, detect the amount of paper in the tray.
The actuator [C] has two semicircles, and it is engaged with the lift arm shaft via gears.
The paper height sensors detect the paper size depending on the position of the two
semicircles. The list shown below shows the detection...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1257.png "Page 1258
Paper Height and End Detection
B800 14 SM
2.6 PAPER HEIGHT AND END DETECTION
2.6.1 PAPER HEIGHT DETECTION
Two paper height sensors [A] [B] and actuator [C] are built into the paper tray lift motor.
The paper height sensors, detect the amount of paper in the tray.
The actuator [C] has two semicircles, and it is engaged with the lift arm shaft via gears.
The paper height sensors detect the paper size depending on the position of the two
semicircles. The list shown below shows the detection...")
![Page 1259
Paper Height and End Detection
SM 15 B800
B800
Paper Fed
Unit
2.6.2 PAPER END AND BOTTOM PLATE
The paper stack raises the paper end feeler [A] and the paper end sensor [B] deactivates
if there is some paper in the paper tray.
When the paper tray runs out of paper, the paper end feeler [A] drops into the cutout in the
tray bottom plate. At this time the paper end sensor [B] activates](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-1258.png "Page 1259
Paper Height and End Detection
SM 15 B800
B800
Paper Fed
Unit
2.6.2 PAPER END AND BOTTOM PLATE
The paper stack raises the paper end feeler [A] and the paper end sensor [B] deactivates
if there is some paper in the paper tray.
When the paper tray runs out of paper, the paper end feeler [A] drops into the cutout in the
tray bottom plate. At this time the paper end sensor [B] activates")
SM i B801 Read This First Safety and Symbols Replacement Procedure Safety ƒ Turn off the main power switch and unplug the machine before beginning any of the replacement procedures in this manual. Symbols Used in this Manual This manual uses the following symbols. : See or Refer to : Screws : Connector : Clip ring : E-ring
B801 ii SM B801 TABLE OF CONTENTS Read This First............................................................................................................ i Safety and Symbols ......................................................................................... i Replacement Procedure Safety .................................................................... i Symbols Used in this Manual ........................................................................i Table of Contents...................................................................................................... ii 1. Replacement and Adjustment.............................................................................. 1 Left and Right Tray .......................................................................................... 1 Sensors ........................................................................................................... 2 Paper Height Sensors on Paper Storage Side............................................. 2 End Fence HP Sensor/Paper End Sensor 2 ................................................ 2 Changing the Tray Size ................................................................................... 3 Motors ............................................................................................................. 4 Tray Lift Motor .............................................................................................. 4 Tray Motor .................................................................................................... 5 Main Board ...................................................................................................... 6 Clutches.......................................................................................................... 7 Stack Transport Clutch ................................................................................. 7 Paper Feed Clutch ....................................................................................... 7 Paper Feed Unit .............................................................................................. 8 Pick-up, Feed and Separation Rollers ............................................................. 9 Paper Feed, Paper End, Lift and Relay Sensors ........................................... 10 2. Detailed Descriptions..................................................................................... 11 Component Layout.........................................................................................11 Mechanical Component Layout ...................................................................11 Electrical Component Layout .....................................................................12 Electrical Component Descriptions ............................................................ 13 Paper Feed ................................................................................................... 15 Separation Roller and Pick-Up Roller Release .............................................. 16 Tray Lift ......................................................................................................... 17 Paper Amount Detection ............................................................................... 18 Paper End Detection (Paper Feed Side)....................................................... 19
SM iii B801 Paper Stack Transport ................................................................................... 20
Left and Right Tray SM 1 B801 B801 LCIT 1. REPLACEMENT AND ADJUSTMENT 1.1 LEFT AND RIGHT TRAY 1. Pull the LCT drawer. ƒ If the right tray comes up with the left tray, push the right tray into the LCT. 2. Left tray [A] ( x 2) 3. Remove the right tray [B] pressing down the stopper [C]. ƒ When reinstalling the tray, set the tray on the guide rail and carefully push the tray in, making sure to keep the tray level.
Sensors B801 2 SM 1.2 SENSORS 1.2.1 PAPER HEIGHT SENSORS ON PAPER STORAGE SIDE 1. Tray ( Left and Right Tray) 2. Rear fence [A] ( x 1) 3. Rear fence bracket [B] ( x 2) 4. Paper height sensors [C] ( x 1 each) 1.2.2 END FENCE HP SENSOR/PAPER END SENSOR 2 1. Bottom cover [D] (s x 1) 2. End fence HP sensor [E] (h x 1) 3. Paper end sensor 2 (paper storage side) [F] (h x 1)
Changing the Tray Size SM 3 B801 B801 LCIT 1.3 CHANGING THE TRAY SIZE 1. Remove the fence screws ( x 5). 2. Change the position of the fences. ƒ Before fastening the screws, set paper in the tray.
Motors B801 4 SM 1.4 MOTORS 1.4.1 TRAY LIFT MOTOR 1. Securing brackets [A] ( x 1 each) 2. Rear cover [B] ( x 2) 1. Tray lift motor [C] ( x 1, x 3)