Ricoh LCIT RT5100 Field Service Manual Download

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Float/Separation Fan Duct

1. Transport roller unit (page 25 "Transport Roller Unit")
2. Remove the eight clamps and the three connectors.

3. Remove the float/separation fan duct [A] ( x6).

• When installing the float/separation fan duct, connect the connectors before installing the duct.

Installing the duct first will make it difficult to connect the connectors.

• Do not remove the bracket [A] that adjusts the position of the float/separation fan duct. This

bracket is factory installed and cannot be adjusted outside the factory.

1. Replacement and Adjustment

Summary of Contents for LCIT RT5100

Page 1: ...Vacuum Feed LCIT RT5100 Machine Code D777 17 Field Service Manual V1 1 March 2015...

Page 2: ......

Page 3: ...Text Illustrations In procedures the order of the text and illustrations has been reversed For each step the text description action is followed by the relevant illustration The callouts A B C in text...

Page 4: ...and abbreviations used in this manual Symbol What it means Screw Connector E ring Clip ring Harness clamp FFC Flexible Film Cable JG Junction Gate LE Leading Edge of paper LEF Long Edge Feed SEF Short...

Page 5: ...Maintenance shall be done using the special tools and procedures prescribed for maintenance of the machine described in the reference materials service manuals technical bulletins operating instructio...

Page 6: ...ior Covers 7 Right Upper Cover 7 Right Lower Cover 7 Rear Right Cover 8 Rear Left Cover 8 Left Top Cover 9 Center Top Cover 10 Right Top Cover 10 Front Corner Cover 11 Rear Corner Cover 12 Front Door...

Page 7: ...Side Fences Front Rear 35 Side Fence Front 38 Side Fence Rear 41 Paper Size Sensors 44 Side Fan 45 Side Fan Shutter Solenoid 47 Rear Side 48 Main Board 48 Tray 1 Pickup Belt Motor 48 Re installation...

Page 8: ...ansport Sensor 70 Vertical Transport Exit Motor 72 Re installation 73 Bypass Transport Sensor 2 74 LCIT Exit Motor 74 LCIT Exit Roller Contact Motor 75 Re installation 76 LCIT Exit Sensor 76 LCIT Exit...

Page 9: ...eplacement and Adjustment Exterior Covers Right Upper Cover 1 Open the paper tray 1 slightly 2 Right upper cover A x4 Right Lower Cover 1 Open the paper trays 1 and 2 slightly 2 Right lower cover A x5...

Page 10: ...t cover A slightly and remove it x6 When attaching the rear right cover hang it on the hook Rear Left Cover 1 Rear right cover page 8 Rear Right Cover 2 Lift the rear left cover A slightly and remove...

Page 11: ...When attaching the rear left cover hang it on the hook Left Top Cover 1 Cut the cushion at the position A along the groove 2 Remove the screws on the left top cover x2 Exterior Covers 9...

Page 12: ...page 9 Left Top Cover 2 Slide the center top cover A in the direction of the blue arrow and remove it x3 Right Top Cover 1 Left top cover page 9 Left Top Cover 2 Center top cover page 10 Center Top Co...

Page 13: ...ge 9 Left Top Cover 2 Center top cover page 10 Center Top Cover 3 Right top cover page 10 Right Top Cover 4 Remove the screws at the top of the front corner x3 5 Remove the screws at the bottom of the...

Page 14: ...t top cover page 9 Left Top Cover 2 Center top cover page 10 Center Top Cover 3 Right top cover page 10 Right Top Cover 4 Remove the rear right and rear left covers page 8 Rear Right Cover page 8 Rear...

Page 15: ...cover page 10 Center Top Cover 3 Right top cover page 10 Right Top Cover 4 Front corner cover page 11 Front Corner Cover 5 Lift the front door A and remove it Upper Inner Cover 1 Open the front door 2...

Page 16: ...4 Raise the paper jam U9 clearing plate and remove the knob A x2 5 Three knobs A x1 each 6 Upper inner cover B x5 1 Replacement and Adjustment 14...

Page 17: ...1 2 The replacement procedure for tray front cover of tray 1 and 2 are the same The following is the procedure for replacing the tray front cover of tray 1 1 Pull out the paper tray 2 Lift the tray f...

Page 18: ...be removed using the same procedure The following are the procedures for replacing the parts in tray 1 Paper Tray 1 Tray front cover page 15 Tray Front Cover Tray 1 2 2 Paper tray x4 The tray weighs...

Page 19: ...2 Remove the lock of the paper feed belt unit x2 3 Hold the knob of the paper feed belt unit A and close the paper tray halfway 4 Pull out the paper feed belt unit A and the paper tray together Paper...

Page 20: ...ot damaged by getting caught in the side fences or other parts To prevent damaging the paper feed belt when you return the paper feed belt unit to its original position align the right and left guides...

Page 21: ...Paper Feed Belt 1 Paper feed belt unit page 16 Paper Feed Belt Unit 2 Shaft A 3 Guide plate A x4 Paper Feed Unit Trays 1 2 19...

Page 22: ...4 Pull out the chamber A x2 5 Bracket A x2 1 Replacement and Adjustment 20...

Page 23: ...tallation turn the shaft to correct belt deflection before installing the chamber When all parts have been assembled turn the shaft once more to check for deflection resistance and other abnormalities...

Page 24: ...Paper End Sensor 1 Paper feed belt unit page 16 Paper Feed Belt Unit 2 Rear harness x3 x1 3 Center guide plate A x2 1 Replacement and Adjustment 22...

Page 25: ...nt procedures for the paper feed sensor of the tray 1 and 2 are the same The following is the procedure for replacing the paper feed sensor of tray 1 1 Pull out the paper tray 2 Remove the top cover A...

Page 26: ...3 Paper feed sensor bracket A x2 4 Paper feed sensor A x1 x1 1 Replacement and Adjustment 24...

Page 27: ...nsport Roller Unit 1 Open the front door A and pull out the paper tray B 2 Tray left top cover A x4 3 Disconnect relay connector and then remove transport roller unit A x1 x4 Paper Feed Unit Trays 1 2...

Page 28: ...x6 When installing the float separation fan duct connect the connectors before installing the duct Installing the duct first will make it difficult to connect the connectors Do not remove the bracket...

Page 29: ...at Separation Fan Duct 2 Float fan A x2 x2 Re installation Install the float fan so that its label faces to the right Separation Fan 1 Float separation fan duct page 26 Float Separation Fan Duct 2 Sep...

Page 30: ...ller unit page 25 Transport Roller Unit 3 Float separation fan duct page 26 Float Separation Fan Duct 4 Float fan shutter solenoid A x2 x1 Paper Upper Limit Sensor 1 2 1 Transport roller unit page 25...

Page 31: ...y If it is removed make sure that it is reinstalled in the same position Main Paper Remaining Sensor 1 Transport roller unit page 25 Transport Roller Unit 2 Float separation fan duct page 26 Float Sep...

Page 32: ...4 Main paper remaining sensor A x1 Sub Paper Remaining Sensor 1 Open the front door A and pull out the paper tray B 2 Tray left top cover A x4 1 Replacement and Adjustment 30...

Page 33: ...aining sensor bracket A x1 x1 4 Sub paper remaining sensor A x1 x1 Paper Lower Limit Sensor 1 Transport roller unit page 25 Transport Roller Unit 2 Paper lower limit sensor bracket A x1 Paper Feed Uni...

Page 34: ...3 Paper lower limit sensor A x1 x1 LCIT Paper Length Sensor 1 and 2 1 Open the paper tray 2 Hold the side fence lock to open the side fence A 3 Sensor cover A x2 1 Replacement and Adjustment 32...

Page 35: ...4 Sensor bracket A x3 x1 5 LCIT paper length sensor 1 A x1 6 LCIT paper length sensor 2 B x1 Tray Upper Limit Sensor 1 Paper tray page 16 Paper Tray Paper Feed Unit Trays 1 2 33...

Page 36: ...the rear of the frame Access it from the rear of the main unit if it proves difficult to remove it from the front 4 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cove...

Page 37: ...e 15 Tray Front Cover Tray 1 2 2 Paper tray page 16 Paper Tray 3 Remove the plate A from the end fence side x4 4 Turn the wire pick up roller A at the rear of the paper tray in a clock wise direction...

Page 38: ...similar object in the hole in the sheet metal at the bottom of the wire pick up roller to prevent the pin A from turning 6 Remove the side fence guide A from the front side x2 7 Remove the side fence...

Page 39: ...8 Two bottom plates A x4 9 Remove the plate A from the paper feed side x2 There is a bracket B at the front side 10 Fully close the side fence Paper Feed Unit Trays 1 2 37...

Page 40: ...ocedure for Removing the Side Fences Front Rear 2 Remove the side fence shafts A and B on the front side x2 Pull out the shaft in the direction of the arrow The B shaft has a spring 3 Insert a screwdr...

Page 41: ...4 Remove the screws in the side fence x4 5 Clamp x2 6 Hold down the lock lever A and raise the side fence B Paper Feed Unit Trays 1 2 39...

Page 42: ...Remove the connector from the bottom of the side fence x3 x2 8 Raise the side fence front A and remove it 9 Install the spring on the end face shaft as shown in the photo 1 Replacement and Adjustment...

Page 43: ...e fences Front Rear page 35 Common Procedure for Removing the Side Fences Front Rear 2 Bracket A x1 3 Remove the side fence shafts A and B on the rear side x2 Pull out the shaft in the direction of th...

Page 44: ...4 Insert a screwdriver in the opening in the frame and remove the ground connection x1 5 Remove the screws in the side fence x4 1 Replacement and Adjustment 42...

Page 45: ...6 Clamp x2 7 Hold down the lock lever A and raise the side fence B 8 Remove the connector from the bottom of the side fence x4 x2 Paper Feed Unit Trays 1 2 43...

Page 46: ...e fence rear and remove it 10 Install the spring on the end face shaft as shown in the photo Paper Size Sensors 1 Side fence rear page 35 Side Fences Front Rear 2 Sensor bracket A x2 1 Replacement and...

Page 47: ...emove the paper size sensors 1 to 4 x4 x4 The sensors are located in order 1 to 4 on the paper feed side Side Fan 1 Side fence page 35 Side Fences Front Rear 2 Fan cover A x2 Paper Feed Unit Trays 1 2...

Page 48: ...3 Hold down the lock lever A and lower the plate B in the direction of the arrow 4 Side fan A x2 x1 1 Replacement and Adjustment 46...

Page 49: ...Side Fan Shutter Solenoid 1 Side fence page 35 Side Fences Front Rear 2 Bracket A x2 3 Side fan shutter solenoid A x2 Paper Feed Unit Trays 1 2 47...

Page 50: ...r Main Board 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Main board x7 hook x1 all connectors and clamps Tray 1 Pickup Belt Motor 1 Remove the rear right a...

Page 51: ...amper A between the motor and the bracket This damper is factory installed and cannot be adjusted outside the factory Re installation When installing the pickup belt motor make sure that the motor is...

Page 52: ...Tray 1 Grip Motor 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Tray 1 grip motor bracket A x4 x2 3 Tray 1 grip motor A x2 1 Replacement and Adjustment 50...

Page 53: ...be adjusted outside the factory Re installation When installing the grip motor make sure that the motor is correctly placed on the timing belt A Tray 2 Pickup Belt Motor 1 Remove the rear right and le...

Page 54: ...he tray 1 pickup belt motor Tray 2 Grip Motor 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Tray 2 grip motor bracket A x4 x2 3 Tray 2 grip motor page 50 Tra...

Page 55: ...e procedure for each tray The following is the procedure for replacing the fan in tray 1 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Suction fan duct A x3...

Page 56: ...ay 1 2 The LCIT lift motor can be removed using the same procedure for each tray The following is the procedure for replacing the motor in tray 1 1 Remove the rear right and left covers page 8 Rear Ri...

Page 57: ...de of the optional bypass unit When an optional bypass unit is not installed in the main unit this motor is not used 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Co...

Page 58: ...acket to the motor position the bracket so that the opening in the bracket A faces the label B 2 When attaching the motor bracket turn the roller A to make sure that the timing belt B is correctly ins...

Page 59: ...the timing belt B may be too loose Transport Motor Cooling Fan 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Remove the transport motor cooling fan A with th...

Page 60: ...Re installation Install the transport motor cooling fan so that its label faces to the lower 1 Replacement and Adjustment 58...

Page 61: ...emove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 4 Remove each vertical transport unit cooling fan bracket xref Vertical Transport Unit Cooling Fan 5 Vertical transp...

Page 62: ...A from the left side x4 9 Remove the six screws that secure the vertical feed unit B to the vacuum feed LCIT x6 10 If linked to the vacuum feed LCIT remove the horizontal feed unit x4 1 Replacement a...

Page 63: ...11 If linked to the vacuum feed LCIT remove the paper jam processing lever A x2 12 Use both hands to support the vertical feed unit raise it slightly and pull it towards you Vertical Feed Unit 61...

Page 64: ...A and pull it out gently Re installation When installing the vertical feed unit place the notches B on the right side of the frame of the vertical feed unit on the two shoulder screws A on the left si...

Page 65: ...t A x2 x1 3 Tray 1 vertical transport motor 1 A x2 When installing the motor refer to re installation for the bypass transport motor 2 page 55 Bypass Transport Motor 2 Tray 1 Vertical Transport Motor...

Page 66: ...When installing the motor refer to re installation for the bypass transport motor 2 page 55 Bypass Transport Motor 2 Tray 1 Transport Sensor 1 Vertical feed unit page 59 Vertical Feed Unit 2 Shoulder...

Page 67: ...3 Remove the right cover A from the vertical feed unit x5 4 Tray 1 transport sensor bracket A x2 5 Tray 1 transport sensor A x1 x1 Vertical Feed Unit 65...

Page 68: ...r 1 Vertical feed unit page 59 Vertical Feed Unit 2 Remove the right cover A from the vertical feed unit x5 3 Tray 1 vertical transport sensor bracket A x2 4 Tray 1 vertical transport sensor A x1 x1 1...

Page 69: ...ansport Motor 1 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Tray 2 vertical transport motor 1 bracket A x2 x1 3 Tray 2 vertical transport motor 1 A x2 Vert...

Page 70: ...page 8 Rear Left Cover 2 Tray 2 vertical transport motor 2 bracket A x3 x1 3 Tray 2 vertical transport motor 2 A x2 Do not remove the damper B between the motor and the bracket This damper is factory...

Page 71: ...sure that the timing belt B is correctly installed Tray 2 Vertical Transport Sensor 1 Vertical feed unit page 59 Vertical Feed Unit 2 Remove the right cover A from the vertical feed unit x5 3 Tray 2...

Page 72: ...y 2 vertical transport sensor A x1 x1 Tray 2 Transport Sensor 1 Vertical feed unit page 59 Vertical Feed Unit 2 Remove the lower cover from the vertical transport unit A x4 1 Replacement and Adjustmen...

Page 73: ...3 Bracket A x4 4 Tray 2 transport sensor A x1 x1 Vertical Feed Unit 71...

Page 74: ...ht Cover page 8 Rear Left Cover 2 Vertical transport exit motor bracket A x3 x1 3 Vertical transport exit motor A x2 Do not remove the damper B between the motor and the bracket This damper is factory...

Page 75: ...g the bracket to the motor install it so that the connector openings A face the two screw holes B 2 When attaching the motor bracket turn the roller A to make sure that the timing belt B is correctly...

Page 76: ...it 2 Bypass transport sensor 2 bracket A x2 3 Bypass transport sensor 2 A x1 x1 LCIT Exit Motor 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 LCIT exit motor...

Page 77: ...port motor 2 page 55 Bypass Transport Motor 2 LCIT Exit Roller Contact Motor 1 Remove the rear right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 LCIT exit roller contact motor bra...

Page 78: ...r position the bracket so that the opening in the bracket A faces the label B 2 When attaching the motor bracket turn the roller A to make sure that the timing belt B is correctly installed LCIT Exit...

Page 79: ...2 LCIT exit sensor 1 A x1 LCIT Exit Roller Contact Sensor 1 Remove the stay A from the vertical feed unit x2 2 Bracket A x1 x1 Vertical Feed Unit 77...

Page 80: ...exit roller contact sensor A x1 x1 Vertical Transport Unit Cooling Fan 1 Remove the rear right and rear left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Remove the vertical transport unit...

Page 81: ...3 Vertical transport unit cooling fan A x2 Vertical Transport Unit Cooling Fan Re installation 1 Install the cooling fan so that its label faces up Vertical Feed Unit 79...

Page 82: ...1 Replacement and Adjustment 80...

Page 83: ...right and left covers page 8 Rear Right Cover page 8 Rear Left Cover 2 Open the five clamps and disconnect the nine connectors A x5 x9 3 Pull out the PSU box A x5 x3 x2 PSU1 2 1 PSU box page 81 PSU bo...

Page 84: ...3 Open the two clamps A in the PSU box and disconnect the connector B 4 Left PSU cover A x9 x2 5 PSU2 A x8 x5 1 Replacement and Adjustment 82...

Page 85: ...6 PSU1 A x8 x6 PSU Cooling Fan 1 2 1 PSU box page 81 PSU box 2 Remove the PSU cooling fan 2 cools PSU 1 A and PSU cooling fan 1 B cools PSU 2 x4 x2 x2 PSU Box 83...

Page 86: ...Interlock Switch 1 Open the front door 2 Lower inner cover page 15 Lower Inner Cover 3 Bracket A x2 4 Interlock switch A x1 x2 1 Replacement and Adjustment 84...

Page 87: ...AC Drive Board 1 PSU box page 81 PSU box 2 Open the six clamps 3 Open the two clamps A in the PSU box and disconnect the connector B 4 Left PSU cover A x9 x2 5 AC drive board A x6 x2 PSU Box 85...

Page 88: ...Fuses on the PSU and AC drive board that can be replaced Fuses PSU1 2 FU3 10A 250V FU4 10A 250V FU5 10A 250V FU7 10A 250V 1 Replacement and Adjustment 86...

Page 89: ...Fuses AC drive board FU100 15A 250V PSU Box 87...

Page 90: ...MEMO 88 EN...

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