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1.Replacement and Adjustment 

3. 

Pull the door away from the stacker. 

 

4. 

You may want to re-insert the "L" hinges in their holes so that they do not get misplaced. 

Front Door 

1. 

Remove the top door (

Top Door

) 

2. 

Open the front door. 

3. 

Remove the covers [A] (

x2 each) 

 

Summary of Contents for D3DK

Page 1: ...High Capacity Stacker SK5040 Machine Code D3DK Field Service Manual Ver 1 0 Latest Release Feb 2018 Initial Release Feb 2018 c 2018 Ricoh Co Ltd ...

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Page 3: ...hose symbols and abbreviations are as follows Symbol What it means Clip ring Screw Connector Clamp E ring Flat Flexible Cable Timing Belt SEF Short Edge Feed LEF Long Edge Feed K Black C Cyan M Magenta Y Yellow B W BW Black and White FC Full color A Short Edge Feed SEF B Long Edge Feed LEF ...

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Page 5: ...ustment 61 Paddle Roller 69 Cleaning the Exit Shift Rollers and Shafts 70 Anti Static Brush Replacement 72 Switches Solenoid 73 Door Switches 73 Front Door Lock Solenoid 75 Fans 78 Cooling Fan Motor for Paper Transport Motors 78 Cooling Fan for Entrance Motor 78 Paper Cooling Fan Motors 79 Boards 85 Main Board 85 PSU 86 Operation Panel PCB 87 Registration Adjustment Skew Correction 88 Skew Check 8...

Page 6: ...ents 94 Paper Path 98 Jogger Unit 99 Paper Path 100 Paper Path Motors 100 Paper Path Sensors 101 Paper Shift and Alignment 102 Paper Shift 102 Paper Alignment Jogging 103 Shift Tray Lift and Height Adjustment 108 Air Assistance 110 ...

Page 7: ...ent damage to the tray switches at the back of the machine always remove the tray cart before moving the stacker unit Always remove the cart before servicing 1 Open the front door 2 Pull out the cart Covers Rear Lower Cover Rear Upper Cover The rear lower cover should be removed before the rear upper cover ...

Page 8: ...e the rear upper cover A x4 Corner Cover 1 Remove the rear lower cover and rear upper cover see the previous section 2 Remove the corner cover A x4 Left Exit Cover Plate If a peripheral unit has been installed downstream of the stacker this cover was removed at installation ...

Page 9: ...over Plate 2 Remove the left cover A x4 Remove the last screw carefully The left cover may fall suddenly because there are no hooks holding it in place Never place your hand or fingers below the bottom edge of the cover when removing it Top Door 1 Open the top door 2 Remove the L hinges A from the right and left ends of the door ...

Page 10: ...ent 6 3 Pull the door away from the stacker 4 You may want to re insert the L hinges in their holes so that they do not get misplaced Front Door 1 Remove the top door Top Door 2 Open the front door 3 Remove the covers A x2 each ...

Page 11: ...nd Adjustment 7 4 Remove screws from the hinge covers A x1 each 5 Open the front door so it is at a 90 degree angle to the unit 6 Slide the hinge cover A toward you and remove it 7 Lift the front door A and remove it ...

Page 12: ...t right cover A to the right to remove it x3 Right Inner Cover 1 Remove the front right cover Front Right Cover 2 Remove the top door Top Door 3 Remove the right inner cover A x4 Front Left Cover 1 Remove the front door Front Door 2 Remove the front left cover A x3 ...

Page 13: ...ft Cover 2 Remove the left inner cover A x5 Proof Tray Top Front Cover Top Center Cover Top Rear Cover Remove these covers in the following order Proof tray A Top front cover B Top center cover C Top rear cover D Proof Tray 1 Remove the left cover Left Cover 2 Remove the proof tray A x2 ...

Page 14: ...Front Cover 1 Remove the right inner cover Right Inner Cover 2 Remove the left inner cover Left Inner Cover 3 Remove the proof tray 4 Remove the top front cover A x1 x2 Top Center Cover 1 Remove the proof tray 2 Remove the top front cover ...

Page 15: ...y 2 Remove the top front cover 3 Remove the top center cover 4 Remove the top rear cover A x2 Jogger Unit Jogger Unit Removal 1 Remove the rear lower cover and rear upper cover Rear Lower Cover Rear Upper Cover 2 Remove the right inner cover Right Inner Cover 3 Remove the left inner cover Left Inner Cover ...

Page 16: ...1 Replacement and Adjustment 12 4 At the rear remove three screws and disconnect five connectors x3 x5 5 Remove the center plate A and right plate B x1 each 6 Remove the four steel jogger unit legs ...

Page 17: ... unit x3 The jogger unit is held in place by four hooks It will not fall after the screws have been removed 9 Screw each leg removed in step 6 into the bottom of the jogger unit 10 Grip one leg at the front and one at the rear 11 Push the jogger unit to the left to disengage the hooks ...

Page 18: ...t on a flat surface Main Jogger Cover Plate The main jogger cover plate must be removed to service these parts Main jogger front fence motor and HP sensor Main jogger rear fence motor and HP sensor Shift tray paper sensor 1 Disconnect the rear fence HP sensor harness A x1 x5 Rear 2 Disconnect the rear fence motor harness A x1 x2 ...

Page 19: ...ustment 15 Rear 3 Disconnect the dual harness A for the main jogger fence retraction HP sensor and front fence HP sensor x3 x6 Front 4 Disconnect the front fence motor harness A x1 x2 5 Remove the plate A Front x1 B Rear x1 ...

Page 20: ...1 Replacement and Adjustment 16 ...

Page 21: ...er Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the motor bracket A x1 x2 2 Separate the entrance motor and the bracket x2 Transport Motor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover ...

Page 22: ...and Adjustment 18 1 Remove the motor bracket A x1 x2 2 Separate the transport motor and the bracket x2 Sensors Entrance Sensor The entrance sensor is on the right side of the stacker 1 Remove the sensor bracket A x1 ...

Page 23: ...nd Adjustment 19 2 Remove the entrance sensor A x1 x4 Transport Sensor You can see the sensor bracket on the bottom of the transport plate from inside the stacker Preparation Remove the jogger unit Jogger Unit Removal ...

Page 24: ...1 2 Remove the sensor plate A x1 3 Remove the transport sensor B x1 x4 Exit Sensor Preparation Remove the Left Exit Cover Plate Left Exit Cover Plate Note The illustration below shows the left cover removed but this is not required 1 Remove the sensor bracket A x1 ...

Page 25: ...1 Replacement and Adjustment 21 2 Remove the exit sensor A x1 x4 ...

Page 26: ...ear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the proof tray JG motor A x1 x2 Proof Tray Exit Motor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the motor bracket A x1 x2 x1 x1 ...

Page 27: ... the proof tray exit motor and the bracket x2 Sensors Proof Tray JG HP Sensor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the sensor bracket A x1 ...

Page 28: ... with the top center cover removed Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover Proof tray Proof Tray Top Front Cover Top Center Cover Top Rear Cover Top center cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover Top rear cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover Common Proce...

Page 29: ...1 Replacement and Adjustment 25 1 Pull away the plate A x1 x4 2 Remove the tray full sensor or the tray exit sensor See below Tray Full Sensor 1 Turn the plate over 2 Remove the sensor bracket A x2 ...

Page 30: ...cement and Adjustment 26 3 Remove the proof tray full sensor A x1 x1 x1 Tray Exit Sensor 1 Remove the sensor bracket A x1 Remove the lower screw not the upper screw 2 Remove the proof tray exit sensor A x1 x5 ...

Page 31: ...r cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the shift tray JG motor A x1 x2 Shift Tray JG HP Sensor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the sensor bracket A x1 x1 ...

Page 32: ...emove the shift tray JG HP sensor B x1 x5 Shift Motor Shift HP Sensor Shift Motor Shift HP Sensor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover Common ...

Page 33: ...1 Replacement and Adjustment 29 1 Disconnect the motor bracket A x1 x2 x1 2 Remove the motor bracket A x2 Shift Motor ...

Page 34: ...rate the bracket and the shift motor x2 Shift HP Sensor 1 Remove the shift HP sensor A x5 Shift Exit Motor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover ...

Page 35: ...1 Replacement and Adjustment 31 1 Remove the vertical plate A x4 2 Remove the belt cover plate A x8 3 Remove the plate A x1 ...

Page 36: ...t the motor bracket A x2 5 Push the shaft A out of the hole and remove the motor bracket B 6 Separate the shift exit motor and the bracket x2 Shift Tray Exit Unit Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover ...

Page 37: ...r unit Jogger Unit Removal Common 1 Remove the plate A x4 2 Release the clamp and disconnect the five connectors as shown and noted below x1 x5 Disconnect the white and gray harness connectors and the three purple harness connectors twelve seven and four pins as shown in the diagram below ...

Page 38: ...1 Replacement and Adjustment 34 3 Release the six clamps x6 4 Remove the inner cover A x2 5 Remove the bracket A x4 x1 ...

Page 39: ...1 Replacement and Adjustment 35 6 Remove the shift tray exit unit A x3 ...

Page 40: ...t Shift Tray Exit Unit 2 Use a short screwdriver to remove the sensor bracket A x1 3 Remove the shift tray exit sensor A x1 Shift Tray Exit Fan Shutter Motor Shutter Home Position Sensor Paper Height Sensor Inside the Paper Exit Unit 1 Remove the shift tray exit unit Shift Tray Exit Unit ...

Page 41: ...below shows the locations of these components in the shift tray exit unit A Shift Tray Exit Fan B Shutter Motor C Shutter Home Position Sensor D Paper Height Sensor Shift Tray Exit Fan Remove the screws and connector of each of the fans and then if necessary release the clamp x2 x1 x1 ...

Page 42: ...1 Replacement and Adjustment 38 Shutter Motor Remove and disconnect the belt and connector and then remove the screws x1 x2 ...

Page 43: ...1 Replacement and Adjustment 39 Shutter Home Position Sensor Disconnect the connector and release the hooks x1 Paper Height Sensor Disconnect the connector and release the hooks x1 ...

Page 44: ...nce Motor Front Fence HP Sensor Main Jogger Front Fence Motor Main Jogger Front Fence HP Sensor Preparation Remove these parts Jogger unit Jogger Unit Removal Main jogger cover plate Main Jogger Cover Plate Front Fence Motor 1 Remove the motor bracket A x2 x1 Belt x1 ...

Page 45: ...1 Replacement and Adjustment 41 2 Separate the front fence motor and the bracket x2 Front Fence HP Sensor 1 Remove the front fence HP sensor A x5 ...

Page 46: ...otor Rear Fence HP Sensor Main Jogger Rear Fence Motor Main Jogger Rear Fence HP Sensor Preparation Remove these parts Jogger unit Jogger Unit Removal Main jogger cover plate Main Jogger Cover Plate Rear Fence Motor 1 Remove the motor bracket A x2 x1 Belt x1 ...

Page 47: ...cement and Adjustment 43 2 Separate the rear fence motor and the bracket x2 Rear Fence HP Sensor 1 Remove the rear fence HP sensor A x5 Main Jogger Fence Retraction Motor Fence Retraction HP Sensor Preparation ...

Page 48: ...nt 44 Remove these parts Jogger unit Jogger Unit Removal Fence Retraction Motor 1 Disconnect the dual harness A for the main jogger fence retraction HP sensor and front fence HP sensor x3 x6 Front 2 Remove the motor bracket A x2 ...

Page 49: ... 3 Separate the fence retraction motor and the bracket x2 Fence Retraction HP Sensor 1 Remove the motor bracket 2 Remove the fence retraction HP sensor A x5 LE Stopper Motor LE Stopper HP Sensor LE Stopper Motor LE Stopper HP Sensor ...

Page 50: ...stment 46 Preparation Remove these parts Jogger unit Jogger Unit Removal LE Stopper Motor 1 Remove the motor bracket A x2 x1 2 Separate the LE stopper motor and the bracket x2 LE Stopper HP Sensor 1 Remove the sensor A x1 x5 ...

Page 51: ...Adjustment 47 Sub Jogger Motor Preparation Jogger unit Jogger Unit Removal 1 Disconnect these harnesses A Sub jogger fence HP sensor x1 x1 B Tray guard sensor 1 x1 x1 C Tray guard sensor 2 x1 x1 D Sub jogger motor x1 x1 ...

Page 52: ...1 Replacement and Adjustment 48 2 Remove the cover A x4 3 Remove the sub jogger motor A x2 Belt x1 x1 Sub Jogger HP Sensor Preparation Jogger unit Jogger Unit Removal ...

Page 53: ...1 Replacement and Adjustment 49 1 Disconnect pulley A and belt x1 Pulley x1 Belt x1 2 Remove the sub jogger HP sensor A x1 x5 Shift Tray Lift Control Roll Away Cart Set Switch ...

Page 54: ...rt Roll Away Cart D456 Rear lower cover Rear Lower Cover Rear Upper Cover 1 At the rear disconnect the connector A x1 2 At the inside remove the switch with the bracket A x2 3 Depress the hooks on both sides of the switch A and separate the switch from the bracket B ...

Page 55: ...Paper Sensor Preparation Remove these parts Jogger unit Jogger Unit Removal Main jogger cover plate Main Jogger Cover Plate 1 Disconnect sensor bracket A and rails and x4 2 Slide the rails to the rear 3 Remove the shift tray paper sensor B x1 x5 ...

Page 56: ...tment 52 Tray Lift Motor Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the vertical plate A x4 2 Remove the belt cover plate A x8 ...

Page 57: ...henever the belt cover plate has been removed you should check and re set the tension of the transverse belt before re attaching the belt cover plate 1 Remove the spring 1 2 Loosen screw 2 do not remove it to raise the tension bracket to the left 3 Hang the belt cover plate A on the hook ...

Page 58: ...sure the bearings and are snug in the holes 5 Attach screws and tighten 6 Attach screws but do not tighten 7 Re attach the removed spring 8 Above the spring pull the tension bracket down 1 as far as it will go and tighten the tension screw 2 ...

Page 59: ...nsor is mounted on the same bracket as the shift entrance sensor For details about this procedure please refer to Shift Tray Exit Sensor Paper Height Sensor after the Shift Tray Exit Unit removal procedure Tray High Limit Switch This switch is on the right side of the stacker 1 Remove the plate A x4 ...

Page 60: ...eplacement and Adjustment 56 2 Disconnect the tray high limit switch A x1 x1 3 Remove the tray high limit switch A x2 Tray Guard Sensors 1 2 Preparation Jogger unit Jogger Unit Removal Tray Guard Sensor 1 ...

Page 61: ...ent and Adjustment 57 1 Remove tray guard sensor 1 A x1 x3 Tray Guard Sensor 2 1 Remove tray guard sensor 2 A x1 x3 Tray Full Sensors 1 2 3 4 There are four tray full sensors mounted on the same vertical support ...

Page 62: ...1 25 Tray Full Sensor 2 50 Tray Full Sensor 3 75 Tray Full Sensor 4 100 Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover Left cover Left Cover Tray Full Sensors 1 2 3 ...

Page 63: ...x1 x5 each Tray Full Sensor 4 See the next procedure below Tray Full Sensor 4 Tray Low Limit Sensor Tray Low Limit Switch Tray Full Sensor 4 100 Tray Low Limit Sensor Tray Low Limit Switch Preparation Remove these parts Rear lower cover Rear Lower Cover Rear Upper Cover Left cover Left Cover ...

Page 64: ...ent and Adjustment 60 1 Remove the switch bracket A x1 ground screw x1 x2 2 Remove the cover plate A x4 3 Remove in any order Tray full sensor 4 A x1 x5 Tray low limit sensor B x1 x5 Tray low limit switch C x1 x2 ...

Page 65: ...ustment Never do the front to rear adjustments without later checking and setting the left to right alignment of the tray Checking that the Tray is Level Right Side 1 Press the button on the stacker operation panel to lower the shift tray 2 Open the front door and pull out the tray cart 3 Check that the tray is level To do this check the markings at the front and rear of the tray brackets on the l...

Page 66: ...ustment Right Side 1 Remove Top door Top Door Front right cover Front Right Cover Right inner cover Right Inner Cover 2 Remove the right vertical stay A x4 x1 3 Remove the screws of the front door switch bracket A x2 You do not need to remove the bracket 4 Loosen the tension on the belt Loosen screw A The tension bracket B will rise Tighten screw A ...

Page 67: ...e front If the front end is high pull up the right side of the belt 2 to lower the front Every notch adjustment you will be able to hear it click adjusts the height of the front by 5 mm 6 Re set the belt tension Loosen screw A Pull down the spring B to apply tension to the belt Tighten screw A with the bracket pulled down ...

Page 68: ...the belt Loosen tension screw A The tension bracket B will rise Tighten screw A 3 Adjust the belt If the front end is low pull up the left side of the belt 1 to raise the front If the front end is high pull up the right side of the belt 2 to lower the front Every notch adjustment you will be able to hear it click adjusts the height of the front by 5 ...

Page 69: ...n to the belt Tighten screw A with the bracket down Left to Right Adjustment 1 Check the markings on the tray brackets to determine if the tray is slanting to the left or right 2 Remove Rear lower cover Rear Lower Cover Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover Corner cover Corner Cover ...

Page 70: ...Adjustment 66 3 Remove the vertical plate A x4 4 Remove the belt cover plate A x8 5 Release the tension on the timing belt Remove spring 1 Loosen tension screw 2 Slide bracket 3 up to the left 6 Adjust the belt position ...

Page 71: ... motor B counter clockwise To raise the right side of the tray below the stacker entrance pull the belt in the direction of the arrow at A while rotating the top of the tray lift motor B clockwise Re installation Whenever the belt cover plate has been removed you should check and re set the tension of the transverse belt before re attaching the belt cover plate 1 Remove the spring 1 ...

Page 72: ... 2 do not remove it to raise the tension bracket to the left 3 Hang the belt cover plate A on the hook 4 Make sure the bearings and are snug in the holes 5 Attach screws and tighten 6 Attach screws but do not tighten 7 Re attach the removed spring ...

Page 73: ...e the spring pull the tension bracket down 1 as far as it will go and tighten the tension screw 2 9 Tighten all the screws x8 Paddle Roller Paddle Roller Cleaning Preparation Open the front door Remove the roll away cart Roll Away Cart D456 ...

Page 74: ...ces of each paddle B Tip of each paddle 3 Rotate the exit roller A to expose the next paddle B 4 Repeat steps 1 and 2 at each location until all the paddles have been cleaned There are four paddles at each of the six locations where the paddles are exposed Cleaning the Exit Shift Rollers and Shafts Preparation Open the front door Remove the roll away cart Roll Away Cart D456 ...

Page 75: ...he roller shaft exposed at six cutouts above the paddles of the paddle roller 2 Use a soft dry cloth to clean the shaft 3 Rotate the exit roller A and push it from side to side while holding the cloth in place 4 Repeat steps 1 and 2 at each location ...

Page 76: ...1 Replacement and Adjustment 72 5 Clean the rollers A and B Anti Static Brush Replacement Preparation Open the front door Remove the roll away cart Roll Away Cart D456 1 Remove the anti static brush A ...

Page 77: ...eparation Remove these parts Top front cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover Top center cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover 1 Loosen the connectors A x2 2 Depress the releases B on both sides of the switch and remove the switch x2 ...

Page 78: ... 74 Top Door Switch Preparation Remove these parts Top front cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover Top center cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover 1 Remove the bracket A x4 x4 ...

Page 79: ...cement and Adjustment 75 2 Disconnect the connector A x1 3 Depress the release A then remove the switch B Front Door Lock Solenoid Preparation Open the front door Remove the front right cover Front Right Cover ...

Page 80: ... Replacement and Adjustment 76 1 Remove the right vertical stay A x4 x1 2 Remove the cover plate A from the right vertical stay x1 x2 x2 3 Turn the right vertical stay over and then remove two screws x2 ...

Page 81: ...1 Replacement and Adjustment 77 4 Turn the right vertical stay over again and then remove the front door lock solenoid A ...

Page 82: ...on Remove the rear lower cover and rear upper cover Rear Lower Cover Rear Upper Cover 1 Remove the cooling fan motor with the bracket x1 x1 2 Remove the cooling fan motor x2 x1 Cooling Fan for Entrance Motor 1 Remove the rear lower cover and rear upper cover Rear Lower Cover Rear Upper Cover ...

Page 83: ...Remove the cooling fan motor with the bracket x1 x1 x2 3 Remove the cooling fan motor x2 Paper Cooling Fan Motors Below the stacker entrance three fan motors are mounted on the same plate Fan Motor 1 Fan Motor 2 Fan Motor 3 Preparation ...

Page 84: ...er Rear Upper Cover Rear upper cover Rear Lower Cover Rear Upper Cover Right inner cover Right Inner Cover Top center cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover 1 Remove the plate A x4 2 Disconnect the motor mount Front x2 Rear x2 3 Remove the cover plate screws ...

Page 85: ...1 Replacement and Adjustment 81 Front x1 Rear x1 4 Raise the cover plate A as high as possible 5 Disconnect the harnesses and fans to clear the area in front of the motor mount B x9 x3 ...

Page 86: ...tment 82 6 Disconnect the entrance sensor bracket A and pull it aside x1 x1 x3 7 Disconnect the front door switch bracket A to create some slack in the white harness x2 x2 8 Disconnect the tray high limit switch harness x1 x2 ...

Page 87: ...motor harnesses entrance sensor harness and tray high limit switch harness through the hole to the rear side 10 Pass the harnesses A B C from the rear side through the hole to the right side x3 These harnesses are removed from the fan motor mount in the next step ...

Page 88: ...1 Replacement and Adjustment 84 11 Pull out the fan motor mount A x2 12 Remove each of the fan motors x2 each ...

Page 89: ...1 Replacement and Adjustment 85 Boards Main Board Preparation Remove the rear lower cover Rear Lower Cover Rear Upper Cover 1 Remove the stay A x3 2 Remove the main board A x all x6 ...

Page 90: ...n after it has been removed After removing the PSU never place put it on a conductive material such as metal Preparation Remove the rear lower cover Rear Lower Cover Rear Upper Cover 1 Remove the PSU A x6 x7 x1 Upper right screw round screw with washer Bayonet connectors may be too stiff to disconnect before removing the board Disconnect these after removing the board ...

Page 91: ...ustment 87 Operation Panel PCB Preparation Remove the top front cover Proof Tray Top Front Cover Top Center Cover Top Rear Cover 1 Turn over the top front cover 2 Remove the cover A x2 3 Remove the operation panel PCB B x1 ...

Page 92: ... simplex mode and output it to the stacker tray 2 Check the output with the skew checking scale shown below If skew is within less than 1 division 2mm it is no problem If the skew is 1 division or more refer to the following sections to minimize it within 1 division A Skew checking scale for 11 x17 DLT B Skew checking scale for A3 Registration Adjustment 1 Undock the stacker from the upstream unit...

Page 93: ...tion and then secure the screws x4 4 Dock the stacker to the docking bracket and check the registration If the skew is 1 or more division do the adjustment procedure again 5 If there is no problem dock the stacker to the upstream unit Secure the stand Skew Correction 1 Undock the stacker from the upstream unit Release the stand ...

Page 94: ...0 2 Remove the right front cover x3 3 Remove the spacers x1 A Spacer 4 Loosen the screws on the docking bracket and insert the spacer under the end either the right or left end of the docking bracket Then secure the docking bracket ...

Page 95: ...s 2mm Insert the required number of spacers up to 2 5 Dock the stacker to the docking bracket and check the skew If the skew is 1 or more division do the adjustment procedure again 6 If there is no problem re attach the right front cover and dock the stacker to the upstream unit Secure the stand ...

Page 96: ...or 1 2 3 2 Transport Motor 12 Shift Tray Exit Fan 1 2 3 4 3 Proof Tray Exit Motor 13 Main Jogger Fence Retraction Motor 4 Main Jogger Rear Fence Motor 14 Shutter Motor 5 Main Jogger Front Fence Motor 15 Front Door Lock Solenoid 6 Proof Tray JG Motor 16 Tray Lift Motor 7 Shift Motor 17 Shift Exit Motor 8 Cooling Fan Motor for Entrance Motor 18 Sub Jogger Motor ...

Page 97: ...Motor 19 LE Stopper Motor 10 Shift Tray JG Motor Sensors Transport No Name No Name 1 Exit Sensor 5 Shift Tray Paper Sensor 2 Transport Sensor 6 Shift Tray Exit Sensor 3 Proof Tray Full Sensor 7 Entrance Sensor 4 Proof Tray Exit Sensor 8 Paper Height Sensor ...

Page 98: ...nt Fence HP Sensor 18 Tray Full Sensor 4 100 8 Proof Tray JG HP Sensor 19 Tray Full Sensor 3 75 9 Shift HP Sensor 20 Tray Full Sensor 2 50 10 Jogger Fence Retraction HP Sensor 21 Tray Full Sensor 1 25 11 Shift Tray JG HP Sensor Electrical Components Motors Entrance Motor Drives the entrance rollers that feed each sheet of paper as it enters the stacker Shift Tray JG Motor Opens the shift junction ...

Page 99: ...f the paper on the shift tray near the rear corner of the trailing edge Main Jogger Fence Retraction Motor Raises both the rear and front jogger fences of the main jogger unit after each set is output to the shift tray and aligned The fences are raised to position them for the next shifted set Cooling Fan Motor for Paper Transport Motors Cools the entrance motor proof tray exit motor and transport...

Page 100: ...ensor are used to keep the tray at its optimum height for paper stacking Shift Tray JG HP Sensor Detects the shift tray junction gate when it reaches its home position and switches off the shift tray JG motor Proof Tray JG HP Sensor Detects the proof tray junction gate when it reaches its home position and switches off the proof tray JG motor Shift HP Sensor Detects the home position of the shift ...

Page 101: ...or Detects whether the shift tray exit fan shutter is open or closed Boards Main Board Performs overall control of the stacker PSU Steps down power source voltage to 24V power supply Operation Panel PCB Controls the buttons used for manual operation of the stacker tray and contains the LEDs that indicate the status of the stacker Solenoid Front Door Lock SOL Keeps the front door of the stacker loc...

Page 102: ...the stacker drive system remains off Breaker Switch Shuts down the operation of the stacker in the event of a power surge Paper Path No Name No Name 1 Paper Cooling Fan Motor 1 2 3 7 Shift Motor 2 Shift Tray Exit Sensor 8 Proof Tray JG Motor 3 Paper Height Sensor 9 Proof Tray Exit Sensor 4 Tray High Limit Switch 10 Proof Tray Full Sensor 5 Shift Tray JG Motor 11 Transport Sensor 6 Shift HP Sensor ...

Page 103: ... 1 2 Rear Fence HP Sensor 9 Sub Jogger Fence Motor 3 Shift Tray Paper Sensor 10 LE Stopper HP Sensor 4 Main Jogger Front Fence Motor 11 LE Stopper Motor 5 Front Fence HP Sensor 12 Sub Jogger Fence HP Sensor 6 Main Jogger Fence Retraction HP Sensor 13 Tray Guard Sensor 2 7 Main Jogger Fence Retraction Motor ...

Page 104: ...r 4 Transport motor Drives the rollers that feed paper out of the stacker from the straight through paper path This is a cross sectional view of the paper feed path and the motors The entrance motor 1 drives not only the entrance roller but several other feed rollers as well The shift tray junction gate 2 is opened by the shift tray junction gate motor 3 When the junction gate is opened paper is g...

Page 105: ...has passed both junction gates the paper will be fed by the rollers driven by the transport motor 9 until it exits the stacker at 10 Paper Path Sensors There are five main sensors at critical points in the paper paths Each sensor detects the leading and trailing edge of each sheet of paper as it passes If the paper fails to arrive late error or leave lag error within the prescribed time interval T...

Page 106: ...3 detects the home position of the rollers and switches off the shift motor This sequence repeats for the 1st set until the last sheet has been fed The amount of shift from the center is fixed at 10 mm This cannot be adjusted 2 When the second set starts to feed The leading edge of the paper is fed into the nip of the shift rollers drive and idle roller pair After the trailing edge of the sheet le...

Page 107: ...f each sheet as it is fed At the end of the job the LE stopper motor reverses and the belt moves the leading edge stopper to its home position When the LE stopper HP sensor 2 detects the stopper at its home position this switches off the motor The leading edge stopper A has a spring absorbing mechanism The LE stopper motor 1 moves and pushes the stopper against the leading edge of the paper and ea...

Page 108: ...2 Detailed Descriptions 104 No Part Name 1 LE Stopper Motor 2 LE Stopper HP Sensor ...

Page 109: ...er fence motor 5 The motor switches on and the belt drives the fences in Then the motor reverses and when the sub jogger HP sensor 6 detects the fences at their home positions it switches off the sub jogger fence motor The main jogger also has a fence retraction mechanism that raises the front and rear fences after each set has been aligned The main jogger fence retraction motor 1 switches on and ...

Page 110: ...t for the next set Set 2 When the next set blue above is output to the shift tray in shift mode The shift motor switches on and off moving the shift rollers and each sheet 10 mm to the front The leading edge of each shifted sheet output to the shift tray is aligned by the leading edge stopper The main jogger front fence and rear fence motors switch on and push the front and rear fence against the ...

Page 111: ...he leading edge by the LE stopper at the front and rear corners of the trailing edge by the main jogger fences and at the rear corner near the leading edge by the sub jogger rear fence Set 2 The set blue above is shifted and output to the tray The LE stopper jogs the leading edge of the stack The main jogger fences align the paper at the front and rear of the trailing edge This is the same operati...

Page 112: ... tray and signals no paper on the tray When there is paper on the tray at least one sheet the actuator remains up signaling paper on the tray When the top of the stack grows high enough as paper is output onto the tray the actuator enters the gap of the paper height sensor 4 This signals the tray lift motor to lower the tray the prescribed distance so the tray can accept more paper This sequence i...

Page 113: ...if the edge of the tray hits this micro switch This is one additional fail safe mechanism designed to shut down the stacker if either sensor above Tray Full 4 Tray Low Limit Sensor fails to signal tray full Power Off At the end of the job The tray does not lower The operator must press the DOWN button on the stacker operation panel to lower the tray and remove the paper stacked on the cart Power O...

Page 114: ...for the shift tray has four air nozzles From these nozzles the shift exit fans A blow into the space between the ejected paper and the stacked paper in order to make an air layer there This prevents the ejected sheet especially thin paper from getting buckled ...

Page 115: ...iptions 111 Related SP SP Name SP No Option Stacker1 Air Assist Vol Adj SP6 605 001 A3 SEF 002 B4 SEF 003 A4 SEF 004 A4 LEF 005 A5 SEF 006 A5 LEF 007 B5 SEF 008 B5 LEF 009 DLT SEF 010 LG SEF 0 High 1 Low 2 Off Default ...

Page 116: ...ssist Vol Adj SP6 611 001 A3 SEF 002 B4 SEF 003 A4 SEF 004 A4 LEF 005 A5 SEF 006 A5 LEF 007 B5 SEF 008 B5 LEF 009 DLT SEF 010 LG SEF 011 LT SEF 012 LT LEF 013 HLT SEF 014 HLT LEF 015 Other 0 High 1 Low 2 Off Default Stacker1 Air Assist Setting SP6 615 001 0 Auto Default 1 ON 2 OFF Stacker2 Air Assist Setting SP6 616 001 ...

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