Ricoh A763 Manual
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Ricoh A763 Manual

Ricoh A763 Manual

Booklet finisher
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BOOKLET FINISHER
(Machine Code: A763)

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Summary of Contents for Ricoh A763

  • Page 1 BOOKLET FINISHER (Machine Code: A763)

  • Page 2: Overall Machine Information

    10 sets (-L”: Lengthwise ,-S: Sideways) Staple Capacity (80 g/m , 20 lb): Modes Paper size Total capacity A4-S, LT-S or shorter 2-50 sheets Staple A4-L, LT-L or longer 2-30 sheets Saddle stitch 2-15 sheets (-L”: Lengthwise, -S: Sideways) A763-1...
  • Page 3 Staple Replenishment: Cartridge Staple: 5000 staples Saddle stitch: 2000 staples Power Source: 24Vdc (from copier) Power Consumption: 60 W Dimensions 800 x 728 x 980 mm, 31.5 x 28.7 x 38.6 inches (W x D x H): Weight: 45 kg A763-2...

  • Page 4: Electrical Component Description

    Detects the home position of the stapler unit. Staple Hammer Detects the home position of the staple hammer. Staple Position Detects when the stapler is in the stapling position. Upper Exit Detects the upper position of the upper Guide exit guide. A763-3...
  • Page 5 Rear Staple End Detects staples in the cartridge of the rear stapler. Stapler Unit Set Detects whether the stapler unit is installed or not. Shutter Guide Detects the home position of the shutter guide. Folder Plate HP Detects the home position of the folder plate. A763-4...
  • Page 6 Cuts the +24V for the motor. SW12 Safety Front Staple Detects the home position of the staple SW13 Hammer HP hammer in the front stapler unit Rear Staple Detects the home position of the staple SW14 Hammer HP hammer in the rear stapler unit A763-5...
  • Page 7 PCB2 to detect the motion direction of the shift tray. PCB3 Booklet Unit Controls the booklet unit. Trailing Edge Detects the relay roller release timing. PCB4 Sensor Others Stapler Interface Interfaces the stapler and the finisher board. A763-6...

  • Page 8: Mechanical Component Layout

    22. Booklet Tray 9. Proof Tray Gate 23. Exit Guide 10. Buffer Roller Entrance Gate 24. Positioning Roller 11. Booklet Gate 25. Folder Roller 12. 1st Transport Roller 26. Relay Roller 13. Stapler Unit 27. Booklet Stapler Unit 14. Transport Belt A763-7...

  • Page 9: Detailed Descriptions

    The booklet gate, proof tray gate [D], and buffer roller exit gate [E] are closed, and the buffer roller entrance gate is opened. The copy paper passes through the buffer roller [F]. This paper path creates a distance between copies. A763-8...
  • Page 10 [B] and proof tray gate [C] are closed. The copy paper goes to the proof tray [D]. A763D101.WMF 2.1.3 BOOKLET STITCH MODE The booklet gate is opened and the copy paper goes to the booklet unit. A763D102.WMF A763-9...

  • Page 11: Pre-Stack Mechanism

    1st sheet of paper goes around the buffer roller [C]. A763D567.PCX When the 2nd copy [D] comes to the buffer roller, the buffer roller exit gate is closed. The two sheets of paper go to the shift tray [E] or staple tray [F]. A763D568.PCX A763-10...

  • Page 12: Paper Shift Mechanism

    [F] to the front, and the copy paper shifts to the front by 30 mm. After copy paper has been shifted, the upper exit guide closes and the lower exit roller [G] turns in the opposite direction to feed out the copy paper. A763-11...
  • Page 13 The paddles [G] send the paper to the stopper starting from the 2nd copy paper. When the trailing edge of the 2nd copy paper passes the 2nd transport roller, the paddle solenoid [H] turns on and the drive from the transport roller transmits to the paddle shaft. A763-12...

  • Page 14: Stapler Unit Movement Mechanism

    Then it goes back to the center until the copy job finishes. It returns to home position when the job is finished. A763D114.WMF A763-13...
  • Page 15 The stapler unit contains the cartridge set switch [E], staple end switch [F] and staple position sensor [G]. The staple position sensor detects whether the staple sheet has come to the staple unit or not. A763-14...
  • Page 16 The shutter position switch [G] cuts the lift motor power for safety when the upper exit guide plate opens. The shift tray height sensor [H] detects the distance between the sensor and the top of the copy paper on the shift tray. A763-15...
  • Page 17 This is done for the following reasons: • To detect the trailing edge of paper with the correct sensor. • To prevent the leading edge of the next sheet from hitting the trailing edge of the previous sheets on the positioning plate. A763-16...
  • Page 18 OFF (Opened) ON (Closed) ON (Closed) 2nd Solenoid (Gate) OFF (Opened) OFF (Opened) ON (Closed) A3, 11" x 17" B4, 11" x 14" A4, 8 " x 11" Trailing Edge Sensor 1 Trailing Edge Sensor 2 Trailing Edge Sensor 3 A763-17...
  • Page 19 The positioning plate motor drives the positioning plate using pulse counts. Only when the first sheet of paper reaches the positioning plate, the positioning plate sensor [C] detects the paper. A763D574.PCX A763D563.PCX A763-18...
  • Page 20 The positioning roller sensor [C] detects the actuator [D] on the roller shaft to determine the rotation of the positioning roller. When the sensor is de-actuated, the roller is away from the paper and the jogger fences [E] start moving. A763-19...
  • Page 21 The fences move back a short distance and move forward again the paper to align for the second time. Then, the fences go back to the waiting position. When the last sheet is aligned, the fences stay at the aligning positions during stapling. A763-20...

  • Page 22: Booklet Stapler Unit

    The stapler unit, including the two staplers, can be pulled out to enable staple cartridge replacement or jam removal. The stapler unit set sensor detects when the stapler unit is back in the right position. A763-21...
  • Page 23 [B] until the folder plate return sensor [C] is de-actuated. Then, the folder plate comes back to the home position. After that, the folder rollers and booklet exit roller feed the paper to the booklet tray. A763-22...
  • Page 24 20 mm. During this action, the folder plate stays at the return position. (Figure A763D561) Then, the folder roller motor rotates forward again to feed the set of papers out and the folder plate goes back to the home position. (Figure A763D562) A763-23...

  • Page 25: Installation

    4. Rail Ass’y ................1 5. Joint Bracket ............... 1 6. Tapping Screw - M4 x 16 ............ 2 7. Rail Bracket................. 1 8. Tapping Screw - M4 x 6 ............1 9. Harness Cover ..............1 10. Sensor Feeder ..............1 A763I101.WMF A763-24...

  • Page 26: Installation Procedure

    30 August, 2002 INSTALLATION PROCEDURE 3.2 INSTALLATION PROCEDURE A763I102.WMF A763I104.WMF CAUTION Keep the power cord unplugged when starting the following procedure. 1. Unpack the finisher and remove the tapes and shipping retainers. A763-25...
  • Page 27 4. Push in the stapler unit and shut the front lower door. 5. Remove the right lower cover [C] (4 screws). 6. Remove the front pressure release bracket [D] (1 screw). 7. Remove the rear pressure release bracket [E] (1 screw). A763-26...
  • Page 28 8. Set the hooks [A] of the shift tray [B] in the notches in the shift tray bracket, and secure the tray with two M4 x 6 screws. 9. Connect the shift tray sensor harness [C]. 10. Install the harness cover [D] (2 hooks). A763-27...
  • Page 29 11. Install the upper tray [A] (2 pins). 12. Attach the sensor feeler [B] (2 pins). 13. Attach the rail [C] to the rail bracket [D] as shown. 14. Install the rail bracket [E] on the left lower cover of the copier (2 screws). A763-28...
  • Page 30 19. Plug in the power cord and turn the main switch on, and perform stapler initial setting as follows. 1) Enter User Program mode. 2) Press System Settings. 3) Press Basic Page 2. 4) Press Staple Initialization. 5) Press the OK key. A763-29...

  • Page 31: Replacement And Adjustment

    REMOVAL 30 August, 2002 REPLACEMENT AND ADJUSTMENT 4.1 REMOVAL 4.1.1 UPPER DOOR A763R579.PCX 1. Open the upper door [A]. 2. Remove the lower hinge [B] (1 screw). 3. Push up the upper door and remove it. A763-30...

  • Page 32: Upper Rear Cover

    A763R580.PCX A763R104.WMF 1. Hold up the proof tray and open the top cover [A]. 2. Unhook the upper rear cover [B] and remove it (3 screws). 4.1.3 LOWER REAR COVER 1. Remove the lower rear cover [C] (4 screws). A763-31...

  • Page 33: Top Cover

    1. Hold up the upper tray [A] and open the top cover [B]. 2. Push the hooks [C] of the top cover and remove it. 4.1.5 UPPER INNER COVER A763R582.PCX 1. Open the upper door. 2. Remove the upper inner cover [A] (1 screw). A763-32...

  • Page 34: Shift Tray Unit

    4. Remove the slide guide [D] by pulling it up. Remove the shift tray unit [E] by pulling it up. NOTE: When reinstalling the shift tray unit, release the clutch gear [F] of the tray lift motor by carefully inserting a screwdriver. A763-33...
  • Page 35 [A] (6 screws (5 x M4, 1 x M3)). Remove the upper 4.1.8 LOWER SHIFT GUIDE A763R109.WMF 1. Remove the shift tray unit. 2. Remove the lower shift guide [A] (2 connectors, 6 screws (3 x M4, 3 x M3)). A763-34...
  • Page 36 4. Hold up the exit unit [E] and remove it with the transport belt unit (3 screws, 1 clamp). NOTE: When installing the exit unit, make sure to position the exit unit guide plate (black) [F] over the transport guide plate [G]. A763-35...
  • Page 37 1. Remove the upper rear cover and the top cover. 2. Disconnect the connector [A]. 3. Remove the upper shift guide [B] (6 screws) and the guide holder [C] (2 screws). 4. Unhook the shafts [D], and remove the buffer roller unit [E] (2 clamps). A763-36...
  • Page 38 REMOVAL 4.1.11 STAPLER A763R586.PCX A763R587.PCX A763R588.PCX 1. Open the upper front door. 2. Slide the stapler [A] towards the front. 3. Remove the stapler (1 screw, 1 connector [B]). 4. Remove the cover [C] from the stapler (2 screws). A763-37...

  • Page 39: Finisher Board

    4.1.12 FINISHER BOARD A763R589.PCX 1. Remove the upper rear cover. 2. Remove the finisher board [A] (4 screws, 19 connectors). NOTE: Do the following adjustments after replacing the board: • Shift tray height • Jogger fence position • Stapling position A763-38...

  • Page 40: Booklet Unit

    • Shift tray unit. • Lower shift guide. 2. Remove the lower right cover [A] (4 screws). 3. Remove the folder roller knob [B] (1 stepped screw). 4. Remove the lower inner cover [C] and lower door [D] (5 screws). A763-39...
  • Page 41 7. Remove the right front and right rear covers [F , G] (2 screws each). 8. Disconnect the two connectors [H]. 9. Remove the two joints [I] and then pull out the booklet unit [J] from the right side (3 screws). A763-40...

  • Page 42: Folder Rollers

    30 August, 2002 REMOVAL 4.1.14 FOLDER ROLLERS A763R590.PCX A763R591.PCX A763R593.PCX A763R592.PCX 1. Remove the booklet unit 2. Remove the drive unit [A] (4 connectors [B], 3 screws [C]). 3. Remove the front and rear tension springs [D]. A763-41...
  • Page 43 REMOVAL 30 August, 2002 A763R595.PCX 4-105B.PCX A763R596.PCX A763R598.PCX A763R597.PCX the gears [A] and ball bearings [B] (4 C-rings). Remove 5. Remove the front and rear tighteners [C] (1 stepped screw each). A763-42...
  • Page 44 30 August, 2002 REMOVAL A763R599.PCX A763R549.PCX 6. Remove the jogger plates [A] (1 screw each). 7. Slide the folder rollers [B] to the front and remove them. A763-43...

  • Page 45: Folder Plate

    3. Insert two positioning screws [B] in the holes provided in the folder table [C]. 4. Tighten the screws until the ends touch the securing plate [D] for the folder plate. 5. Remove the folder plate [E] and the securing plate (3 screws). A763-44...
  • Page 46 3. Reattach the two plates [A, B] to the folder table [D] (3 screws). NOTE: Tighten these three screws while holding the securing plate against the two positioning screws [E] that were installed in step 3 of the "Removal" procedure. 4. Remove the two strips of tape. A763-45...
  • Page 47 30 August, 2002 4.1.16 BOOKLET STAPLER UNIT Removal A763R562.PCX A763R563.PCX 1. Remove the lower door and inner cover (see “Booklet Unit Removal”). 2. Remove the guide roller [A] and shaft [B] (1 E-ring). 3. Pull out the booklet stapler unit [C]. A763-46...
  • Page 48 30 August, 2002 REMOVAL A763R564.PCX A763R565.PCX A763R567.PCX Adjustment 1. Remove the booklet stapler cover [A] (3 screws). 2. Remove the three paper guides [B] (1 screw each). 3. Loosen the two screws on each of the anvils [C]. A763-47...
  • Page 49 NOTE: The anvil positioning plate is stored in the booklet stapler cover [C]. 5. Rotate the gear to move down the stapler. Then align the anvil positioning plate and the anvil [D]. Then secure the anvils (2 screws each). A763-48...

  • Page 50: Booklet Board

    NOTE: After replacing the board, adjust the booklet stapling position. 4.1.18 POSITIONING PLATE UNIT A763R571.PCX 1. Remove the booklet board (4 screws, 14 connectors). 2. Slide the paper positioning unit [C] to the right and remove it (2 screws, 2 connectors [D]). A763-49...

  • Page 51: 1St And 2Nd Booklet Unit Gates

    2. Release the two tension springs [A] of the booklet entrance guide [B]. 3. Remove the booklet unit gate solenoids [C] (1 screw and 1 spring each). 4. Pull out the link of the solenoid [D]. 5. Remove the booklet unit gates [E]. A763-50...

  • Page 52: Shift Tray Height

    • During the adjustment, LED 1 flashes. After performing the adjustment, LED 1 turns on and remains on. • If the automatic adjustment fails, the finisher stops and LED 1 turns off. 5. Turn off dip switches 3 -1 and -4, then turn off the copier main switch. A763-51...

  • Page 53: Jogger Fence Position

    • Switch 2: Move to the rear (0.35 mm/press) 6. Press switches 1 and 2 simultaneously to store the adjustment data. • After pressing the switches, the upper exit unit will close. 7. Turn off dip switch 3-1, then turn off the copier main switch. A763-52...
  • Page 54 Switch 2: Move to the rear (0.3 mm/press) 7. Press switches 1 and 2 simultaneously to store the adjustment data. After pressing the switches, check the staple position again. 8. Turn off dip switches 3 -1 and -2, then turn off the copier main switch. A763-53...

  • Page 55: Booklet Stapling Position

    4. Press switch 2 (SW2) on the booklet board. • After pressing the switch, the booklet transport motor (M10) will start to rotate. 5. Put a mark on the trailing edge of some A3/11" x 17" paper (two sheets). A763-54...
  • Page 56 6. Open the booklet entrance guide [A], then slide in the two sheets of paper [B] until their leading edges touch the positioning plate. 7. Press switch 2 on the booklet board. • The booklet finisher makes a booklet automatically. A763-55...
  • Page 57 If dip switch 1 is currently set to -1, set the dip switch to reflect +2 (this move,s the stapling position 3 steps away from the leading edge). 10. Turn off dip switched 1-1 and -2, then turn off the copier main switch. A763-56...
  • Page 58 ELECTRICAL COMPONENT LAYOUT (A763) (1/2)
  • Page 59 ELECTRICAL COMPONENT LAYOUT (A763) (2/2) Index Index Index Symbol Name P to P Symbol Name P to P Symbol Name P to P Motors Sensors Sensors Entrance Entrance Folder Roller Motor Transport Roller Buffer Roller Entrance Booklet Exit Buffer Roller...
  • Page 60 Staple Hammer HP Active Low [t5] Sensor CN7-1 CN206-3 Voltage [t5] Shutter Position Cartridge Set Switch Switch Staple End Switch [t5] Finisher Board CN307-7 CN305-1 [t24] CW Staple Hammer [t24] CCW (PCB1) BOOKLET FINISHER (A763) POINT TO POINT DIAGRAM Motor [t24] CCW...

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