Ricoh A763 Manual Download

Page: 7 / 60

ELECTRICAL COMPONENT DESCRIPTION

30 August, 2002

A763-6

Symbol Name

Function

Index

No.

Solenoids

SOL1

Booklet Gate

Drives the booklet gate.

SOL2

Buffer Roller
Entrance Gate

Drives the buffer roller entrance gate.

SOL3

Proof Tray Gate

Drives the proof tray gate.

SOL4

Buffer Roller
Exit Gate

Drives the buffer roller exit gate.

SOL5

Transport Belt

Moves the transport belt to the stopper.

SOL6

Paddle

Releases the paddle stopper.

SOL7

Front Guide
Release

Releases the front guide plate.

SOL8

1st Booklet Unit
Gate

Drives the 1st booklet unit gate.

SOL3

2nd Booklet Unit
Gate

Drives the 2nd booklet unit gate.

SOL4

Relay Roller

Releases the relay roller.

PCBs

PCB1

Finisher

Controls the upper unit.

PCB2

Lift Motor
Sensor

Generates pulses to check the lift
motor, to control lift motor position, and
to detect the motion direction of the
shift tray.

PCB3

Booklet Unit

Controls the booklet unit.

PCB4

Trailing Edge
Sensor

Detects the relay roller release timing.

Others

HR1

Stapler Interface Interfaces the stapler and the finisher

board.

Summary of Contents for A763

Page 1: ...BOOKLET FINISHER Machine Code A763 ...

Page 2: ...ode 64 g m2 to 80 g m2 17 to 21 lb 64 g m2 to 128 g m2 17 to 34 lb Cover sheet only Paper Capacity 80 g m2 20 lb Tray Modes Paper size Capacity A4 S LT S or shorter 150 sheets Proof tray A4 L LT L or longer 75 sheets A4 S LT S or shorter 1000 sheets No staple A4 L LT L or longer 500 sheet A4 S LT S or shorter 750 sheets Shift tray Staple A4 L LT L or longer 500 sheets 1 5 sheets 25 sets 6 10 sheet...

Page 3: ...e 2 positions Front Rear 2 staples 1 position Saddle stitch mode 1 position Staple Replenishment Cartridge Staple 5000 staples Saddle stitch 2000 staples Power Source 24Vdc from copier Power Consumption 60 W Dimensions W x D x H 800 x 728 x 980 mm 31 5 x 28 7 x 38 6 inches Weight 45 kg ...

Page 4: ...up and down 55 M13 Booklet Jogger Drives the jogger fences 57 M14 Front Stapler Drives the staple hammer in the front stapler 60 M15 Rear Stapler Drives the staple hammer in the rear stapler 53 M16 Folder Roller Drives the folder rollers 59 M17 Folder Plate Moves the folder plate 58 Sensors S1 Entrance Detects copy paper entering the finisher and detects misfeeds 3 S2 Buffer Roller Entrance Detect...

Page 5: ...f tray is at its upper limit 5 S20 Finisher Set Detects whether the finisher is installed into the copier or not 20 S21 Shutter Detects whether the shutter is closed or not 15 S22 Trailing Edge 1 Detects the relay roller release timing 24 S23 Trailing Edge 2 Detects the relay roller release timing 23 S24 Trailing Edge 3 Detects the relay roller release timing 22 S25 Booklet Entrance Check for pape...

Page 6: ...s whether the booklet exit cover is opened or not 38 S45 Upper Door Detects whether the upper door is opened or not 16 Switches SW1 Upper Cover Safety Cuts the 24V for the motor 77 SW2 Shift Tray Safety Cuts the 24V for the motor 82 SW3 Shutter Position Cuts the 24V for the motor 76 SW4 Upper Exit Guide 1 Cuts the 24V for the motor 80 SW5 Upper Exit Guide 2 Cuts the 24V for the motor 79 SW6 Shift ...

Page 7: ...opper 97 SOL7 Front Guide Release Releases the front guide plate 66 SOL8 1st Booklet Unit Gate Drives the 1st booklet unit gate 73 SOL3 2nd Booklet Unit Gate Drives the 2nd booklet unit gate 74 SOL4 Relay Roller Releases the relay roller 75 PCBs PCB1 Finisher Controls the upper unit 61 PCB2 Lift Motor Sensor Generates pulses to check the lift motor to control lift motor position and to detect the ...

Page 8: ...Buffer Roller Entrance Gate 11 Booklet Gate 12 1st Transport Roller 13 Stapler Unit 14 Transport Belt 15 Booklet Unit Entrance Roller 16 1st Booklet Unit Gate 17 2nd Booklet Unit Gate 18 Anvil 19 Folder Plate 20 Positioning Plate 21 Shutter Guide 22 Booklet Tray 23 Exit Guide 24 Positioning Roller 25 Folder Roller 26 Relay Roller 27 Booklet Stapler Unit A763V500 WMF A763V501 WMF 1 2 3 4 5 6 8 7 9 ...

Page 9: ...fer roller entrance gate B are closed and the copy paper goes directly to the shift tray C Longer than A4 sideways 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 A763D564 PCX A763D565 PCX A B C D E F ...

Page 10: ... MODE The booklet gate A is closed The buffer roller entrance gate B and proof tray gate C are closed The copy paper goes to the proof tray D 2 1 3 BOOKLET STITCH MODE The booklet gate is opened and the copy paper goes to the booklet unit A763D101 WMF A763D102 WMF A B C D ...

Page 11: ...e the previous job is still being stapled It only works during the second and subsequent sets of a multi set copy job The buffer roller entrance gate A and buffer roller exit gate B are opened Then the 1st sheet of paper goes around the buffer roller C 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 ...

Page 12: ...ide B which contains the upper exit roller opens The paper switches back to the stopper C Then the front guide release solenoid D turns on and the front guide E is released the shift motor moves jogger fence 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...

Page 13: ...ower exit roller and feed belt E and it is aligned the by jogger motor The feed belt solenoid F turns on to move the feed belt to the stopper This function prevents excessive buckling of the paper between belt and stopper 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 tu...

Page 14: ...tapler unit moves to the center The stapler unit moves to the front or rear stapling position when the copy paper comes into the finisher and stays until the copy job finishes It returns to home position when the job is finished Tow position Stapling When the print key is pressed the stapler unit moves to the center The stapler unit moves to the rear stapling position first and moves to the front ...

Page 15: ... the cam D When the guide roller moves to the highest position on the cam the copy paper is stapled 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 A763D571 PCX A763D110 WMF A763D109 WMF A B C D D A E F G ...

Page 16: ...g the lift motor sensors 1 D and 2 E The lift motor contains a thermoswitch F When it detects 73 5º C the finisher board stops the lift motor until its temperature reaches approximately 40º C 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...

Page 17: ...gate solenoid s C are energized to close the gate s in order to transport paper to the positioning plate D through a suitable paper path 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 A763D550 PCX A763D551 PCX A763D552 PCX...

Page 18: ...en paper sizes and solenoids sensors A3 11 x 17 B4 11 x 14 A4 81 2 x 11 1st Solenoid Gate OFF Opened ON Closed ON Closed 2nd Solenoid Gate OFF Opened OFF Opened ON Closed A3 11 x 17 B4 11 x 14 A4 81 2 x 11 Trailing Edge Sensor 1 ON ON ON Trailing Edge Sensor 2 OFF ON ON Trailing Edge Sensor 3 OFF OFF ON ...

Page 19: ...rt the paper to the positioning plate B When the trailing edge of the paper comes to the trailing edge sensor that the paper passes last the relay roller solenoid is de energized This solenoid on off cycle is done for each sheet of paper Before paper comes the positioning plate moves up from the home position to a position that is suitable for the selected paper size in order that the middle of th...

Page 20: ...B The positioning roller is not round but elliptical in shape so that it moves away from the paper while the paper is being horizontally aligned 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 A763D555 PCX A763D554 PCX ...

Page 21: ...that are 10 mm from each of the paper side edges Each time a sheet of paper reaches the positioning plate B the jogger fences move toward the paper to align the paper once 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 ...

Page 22: ...then the front one This is for the following reasons To prevent paper from becoming waved in the area between the two stapled positions To minimize necessary electric power The staple hammer HP switch in each stapler detects a stapling cycle and the staple end sensor detects the presence of staples in the cartridge The stapler unit including the two staplers can be pulled out to enable staple cart...

Page 23: ...vent paper arriving at the positioning plate from being caught by the rollers down to the home position Shortly after that the folder plate motor and the folder roller motor start rotating The folder plate A moves to push the middle of the stapled sheets of paper toward the folder rollers B until the folder plate return sensor C is de actuated Then the folder plate comes back to the home position ...

Page 24: ... more firmly When the leading edge of the folded paper passes 20 mm from the folder rollers the folder roller motor reverses to feed the paper back 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 ...

Page 25: ...ion of the accessories in the box against the following list Description Q ty 1 Upper Tray 1 2 Shift Tray 1 3 Tapping Screw M4 x 6 1 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 1 2 3 4 5 6 7 8 9 10 ...

Page 26: ...TION PROCEDURE A763 25 Options 3 2 INSTALLATION PROCEDURE CAUTION Keep the power cord unplugged when starting the following procedure 1 Unpack the finisher and remove the tapes and shipping retainers A763I102 WMF A763I104 WMF ...

Page 27: ...e unit A 3 Remove the stapler unit lock plate B 1 screw 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 A763I105 WMF A763I103 WMF C E A B D ...

Page 28: ...7 Options 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 A763I106 WMF A763I107 WMF A B C D ...

Page 29: ...63 28 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 A763I108 WMF A763I110 WMF A B C D E ...

Page 30: ... the finisher on the joint bracket and lock the 2 hooks C of the finisher on the joint bracket 18 Connect the finisher cable D to the copier 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 A763I109 WMF A763I111 WMF A B C D ...

Page 31: ...EMOVAL 30 August 2002 A763 30 4 REPLACEMENT AND ADJUSTMENT 4 1 REMOVAL 4 1 1 UPPER DOOR 1 Open the upper door A 2 Remove the lower hinge B 1 screw 3 Push up the upper door and remove it A763R579 PCX A B ...

Page 32: ... Options 4 1 2 UPPER REAR COVER 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 A763R580 PCX A763R104 WMF A B C ...

Page 33: ...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 1 Open the upper door 2 Remove the upper inner cover A 1 screw A763R581 PCX A763R580 PCX A763R582 PCX B C A A B ...

Page 34: ...the grounding wire B 1 screw 3 Unhook the two stoppers C and remove them 4 Remove the slide guide D by pulling it up 5 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 A763R106 WMF A763R107 WMF A763R108 WMF A B E C D F ...

Page 35: ...tray unit down by releasing the clutch gear of the tray lift motor see Shift Tray Unit Removal 2 Remove the upper shift guide A 6 screws 5 x M4 1 x M3 4 1 8 LOWER SHIFT GUIDE 1 Remove the shift tray unit 2 Remove the lower shift guide A 2 connectors 6 screws 3 x M4 3 x M3 A763R112 WMF A763R109 WMF A A ...

Page 36: ...r A and remove the screw B that secures the transport belt unit C 3 Disconnect the 4 connectors D 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 A763R113 WMF A763R114 WMF A B C E D F G ...

Page 37: ...e 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 A763R583 PCX A763R112 WMF A763R585 PCX A763R584 PCX A D B C D E ...

Page 38: ... 37 Options 4 1 11 STAPLER 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 A763R586 PCX A763R587 PCX A763R588 PCX A B C ...

Page 39: ...1 12 FINISHER BOARD 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 A763R589 PCX A ...

Page 40: ... Remove the following items Upper and lower rear covers 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 A763R561 WMF A B C D ...

Page 41: ...e lower booklet exit guide C and remove it 1 L pin D 2 connectors E 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 A763R110 WMF A763R101 WMF A763R111 WMF A B C D E F G H I J I ...

Page 42: ... A763 41 Options 4 1 14 FOLDER ROLLERS 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 A763R590 PCX A763R593 PCX A763R591 PCX A763R592 PCX A D D B C ...

Page 43: ... 30 August 2002 A763 42 4 Remove the gears A and ball bearings B 4 C rings 5 Remove the front and rear tighteners C 1 stepped screw each 4 105B PCX A763R595 PCX A763R596 PCX A763R597 PCX A763R598 PCX A B B C C ...

Page 44: ...30 August 2002 REMOVAL A763 43 Options 6 Remove the jogger plates A 1 screw each 7 Slide the folder rollers B to the front and remove them A763R599 PCX A763R549 PCX A B ...

Page 45: ...al Lower door and lower inner cover see Booklet Unit Removal Booklet board 2 Release the harness A from the clamps 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 A763R117 WMF A763R116 WMF B C D A D E ...

Page 46: ...electrical tape C along the line where they meet see the illustration NOTE 1 Be sure to fold the two strips back toward you so that they can easily be removed 2 Be careful not to attach the tape too close to the three screw holes 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 we...

Page 47: ...763 46 4 1 16 BOOKLET STAPLER UNIT Removal 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 A763R562 PCX A763R563 PCX A B C ...

Page 48: ...MOVAL A763 47 Options 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 A763R564 PCX A763R565 PCX A763R567 PCX A B C ...

Page 49: ...le slot of the stapler B 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 A763R568 PCX A763R569 PCX A763R570 PCX A B A C A D ...

Page 50: ...the booklet board B 4 screws 14 connectors NOTE After replacing the board adjust the booklet stapling position 4 1 18 POSITIONING PLATE UNIT 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 A763R115 WMF A763R571 PCX A B C D ...

Page 51: ...per and lower rear covers 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 A763R572 PCX A763R573 PCX A763R574 PCX A B A C D E ...

Page 52: ... 1 SW1 on the finisher board The finisher automatically adjusts the shift tray height when switch 1 is pressed After performing the adjustment the shift tray will return to home position 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 tur...

Page 53: ...ogger fences will move to the A4 or 81 2 x 11 position 4 Place 10 sheets of A4 81 2 x 11 paper between the jogger fences and push them until they touch the shutters 5 Adjust the jogger fence position by pressing switch 1 or 2 Switch 1 Move to the front 0 35 mm press 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 switc...

Page 54: ... and push it until it touches the shutter When the staple tray paper sensor detects the paper the stapler will staple rear 1 point 5 Take out the stapled paper manually and check the staple position Staple position Good Turn off dip switches 3 1 and 2 to end the procedure Staple position No good Change the staple position by doing the following steps 6 Adjust the staple position by pressing switch...

Page 55: ...the booklet board 3 Tape the actuators of the booklet entrance guide sensor S42 and the booklet entrance guide safety switch SW11 so that S42 and SW11 remain actuated 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 SW2 Dip Switch 1 LED 1 A763R557 WMF 1 Dip ...

Page 56: ...ons 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 A763R548 PCX A B ...

Page 57: ...m Example 1 To move the stapling position 1 mm towards the leading edge If dip switch 1 is currently set to 2 set the dip switch to reflect 2 this moves the stapling position 4 steps towards the leading edge Example 2 To move the stapling position 0 75 mm away from the leading edge 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 ...

Page 58: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 22 23 24 25 50 51 52 44 45 47 46 48 49 53 54 55 57 58 59 60 56 66 67 68 69 70 71 72 73 74 75 84 85 86 87 88 83 76 77 78 79 81 82 80 64 65 61 62 63 ...

Page 59: ...W1 Upper Cover Safety 77 E6 SW2 Shift Tray Safety 82 E6 SW3 Shutter Position 76 E7 SW4 Upper Exit Guide 1 80 E6 SW5 Upper Exit Guide 2 79 E7 SW6 Shift Tray Upper Limit 81 E6 SW7 Cartridge Set 83 A7 SW8 Staple End 83 A7 SW9 Thermo 78 E2 SW10 Lower Door Safety 87 I5 SW11 Booklet Entrance Guide Safety 84 I5 SW12 Booklet Exit Safety 88 I6 SW13 Front Staple Hammer HP 86 I4 SW14 Rear Staple Hammer HP 85...

Page 60: ... Booklet Entrance Guide Sensor Booklet Jogger HP Sensor Folder Roller Motor Sensor CN11 7 8 9 1 2 CN103 3 1 2 CN303 3 Booklet Exit Cover Sensor CN11 10 11 12 2 1 CN104 3 Lower Door Sensor CN11 13 14 15 3 1 CN107 2 Folder Plate Motor Sensor CN13 1 2 3 2 1 CN131 3 Stapler Unit Set Sensor S25 S35 CN13 4 5 6 2 1 CN132 3 Booklet Entrance Sensor CN13 13 14 15 2 1 CN129 3 Folder Plate Return Sensor CN301...

Search results

Summary of Contents for A763

Reviews:

Related manuals for A763

Brands by name

Popular brands

Ricoh A763, Manual

Search results

Summary of Contents for A763

Reviews:

Related manuals for A763

Brands by name

Popular brands