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Ricoh LCIT RT5090 Field Service Manual

Machine code: d732
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LCIT RT5090
Machine Code: D732
Field Service Manual
November, 2014

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Summary of Contents for Ricoh LCIT RT5090

  • Page 1 LCIT RT5090 Machine Code: D732 Field Service Manual November, 2014...

  • Page 3: Safety, Conventions, Trademarks

    Safety, Conventions, Trademarks Conventions Common Terms This is a list of symbols and abbreviations used in this manual. Symbol What it means Screw Connector E-ring Clip ring Harness clamp Flexible Film Cable Junction Gate Leading Edge of paper Long Edge Feed Short Edge Feed Trailing Edge of paper [A] Short Edge Feed (SEF)

  • Page 4: Warnings, Cautions, Notes

    Warnings, Cautions, Notes In this manual, the following important symbols and notations are used. • A Warning indicates a potentially hazardous situation. Failure to obey a Warning could result in death or serious injury. • A Caution indicates a potentially hazardous situation. Failure to obey a Caution could result in minor or moderate injury or damage to the machine or other property.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Safety, Conventions, Trademarks........................1 Conventions..............................1 Common Terms............................1 Warnings, Cautions, Notes...........................2 Responsibilities of the Customer Engineer....................2 Reference Material for Maintenance....................2 The Aim of Anti-tip Components and Precautions..................2 1. Replacement and Adjustment Removing Trays..............................5 Door and Covers..............................7 Front Cover..............................
  • Page 6 Feed Motors, Grip Motors......................... 23 Reinstallation............................24 Lift Motors..............................24 1st, 3rd Lift Motors..........................24 2nd Lift Motor............................25 Exit Roller Lift Motor.............................26 Cooling Fan ..............................27 Electrical Components............................. 29 Paper Feed and End Sensors........................29 When reinstalling the sensor bracket....................29 Lift Sensor..............................30 LCIT Exit Sensor............................31 Exit Roller Lift Sensor............................31 Removing the Vertical Feed Unit.........................32...

  • Page 7: Replacement And Adjustment

    1. Replacement and Adjustment Removing Trays • Tray 2 weighs 27 kg (60 lb) empty. Trays 1 and 3 weigh 20 kg (44 lb) each empty. • To prevent damage to the tray and personal injury, never attempt to lift a tray alone or without attaching the carrying handles, especially if a tray is loaded with paper.
  • Page 8 1. Replacement and Adjustment...

  • Page 9: Door And Covers

    Door and Covers Door and Covers Front Cover 1. Open the front door [A]. 2. Front cover [A] ( Rear Cover 1. Rear cover [A] (...

  • Page 10: Top Cover

    1. Replacement and Adjustment Top Cover 1. Front cover (page 7 "Front Cover") 2. Rear cover (page 7 "Rear Cover") 3. Top cover [A] ( Side Cover 1. Top cover (page 8 "Top Cover") 2. Side cover [A] (...

  • Page 11: Left Top Cover

    Door and Covers Left Top Cover 1. Top cover (page 8 "Top Cover") 2. Side cover (page 8 "Side Cover") 3. Left top cover [A] ( Right Top Cover 1. Left top cover (page 9 "Left Top Cover") 2. Right top cover [A] (...

  • Page 12: Left Rear Cover

    1. Replacement and Adjustment Left Rear Cover 1. Left rear cover [A] ( Right Rear Cover 1. Left rear cover (page 10 "Left Rear Cover") 2. Right rear cover [A] (...

  • Page 13: Right Cover

    Door and Covers Right Cover 1. Pull all the LCIT trays out a short distance. 2. Right cover [A] ( Inner Covers Inner Upper Cover 1. Open the front door. 2. Pull down the U1 lever [A].

  • Page 14: Inner Lower Cover

    1. Replacement and Adjustment 3. Remove: Knob [B] ( Inner upper cover [C] ( Inner Lower Cover 1. Open the front door. 2. Inner lower cover [A] (...

  • Page 15: Paper Feed

    Paper Feed Paper Feed Paper Feed Units 1. Pull out the top, middle or bottom tray. 2. Inner upper or lower cover (page 11 "Inner Covers") • For the paper feed unit in the top tray or middle tray, remove the inner upper cover. •...

  • Page 16: Paper Feed, Separation And Pickup Rollers

    1. Replacement and Adjustment Paper Feed, Separation and Pickup Rollers Top Tray (Tray 1) • Before doing this procedure, turn off the main machine and disconnect it from its power source. 1. Open the front door [A]. 2. Pull out the top tray [B] until it stops. 3.
  • Page 17 Paper Feed 4. Pull the paper feed unit [A] ( x 2). 5. Slide the sensor bracket [A] to the front ( x 1). • Note the original position of this bracket. It must be re-installed at its original position.

  • Page 18: Middle Tray (Tray 2)

    1. Replacement and Adjustment 6. Remove: [A]: Paper feed roller ( x 1) [B]: Separation roller ( x 1) [C]: Pickup roller ( x 1) Middle Tray (Tray 2) • Before doing this procedure, turn off the main machine and disconnect it from its power source. 1.
  • Page 19 Paper Feed 3. Side plate [A] ( x 2) 4. Pull the paper feed unit [A] ( x 2).

  • Page 20: Bottom Tray (Tray 3)

    1. Replacement and Adjustment 5. Slide the sensor bracket [A] to the front ( x 1). • Note the original position of this bracket. It must be re-installed at its original position. 6. Remove: [A]: Paper feed roller ( x 1) [B]: Separation roller ( x 1) [C]: Pickup roller ( x 1) Bottom Tray (Tray 3)
  • Page 21 Paper Feed 2. Pull out the bottom tray [B]. 3. Paper end fence [A] if it is stored here. 4. Side plate [A] ( x 2)
  • Page 22 1. Replacement and Adjustment 5. Pull the paper feed unit [A] ( x 2). 6. Slide the sensor bracket [A] to the front ( x 1). • Note the original position of this bracket. It must be re-installed at its original position.
  • Page 23 Paper Feed 7. Remove: [A]: Paper feed roller ( x 1) [B]: Separation roller ( x 1) [C]: Pickup roller ( x 1)

  • Page 24: Lcit Motors

    1. Replacement and Adjustment LCIT Motors Transport Motors, LCIT Exit Motor 1st, 2nd, and 3rd Transport Motors 1. Left rear cover (page 10 "Left Rear Cover") 2. Motor unit [A] ( 3. Motor [B] ( LCIT Exit Motor 1. Left rear cover (page 10 "Left Rear Cover") 2.

  • Page 25: Feed Motors, Grip Motors

    LCIT Motors Feed Motors, Grip Motors Each paper feed unit has a pick-up feed motor and a grip motor . The removal procedure is the same for each feed tray. 1. Left rear cover (page 10 "Left Rear Cover") 2. Motor unit [A] ( x4, x2, 3.

  • Page 26: Reinstallation

    1. Replacement and Adjustment Reinstallation Attach the tension spring and then tighten the screws to tighten the belts. Lift Motors 1st, 3rd Lift Motors The procedure for removing the 1st and 3rd lift motors is the same. 1. Right rear cover (page 10 "Right Rear Cover") 2.

  • Page 27: 2Nd Lift Motor

    LCIT Motors 2nd Lift Motor 1. Right rear cover (page 10 "Right Rear Cover") 2. Motor unit [A] ( x 5, 3. 2nd lift motor [A] ( x 2)

  • Page 28: Exit Roller Lift Motor

    1. Replacement and Adjustment Exit Roller Lift Motor 1. Left rear cover (page 10 "Left Rear Cover") 2. The motor is located at [A]. 3. Disconnect the motor at [A] and [B] ( x1,...

  • Page 29: Cooling Fan

    LCIT Motors 4. Disconnect the motor mount [A] ( x1). 5. Remove the motor [B]. 6. Separate the motor and bracket ( x1). Cooling Fan 1. Left rear cover (page 10 "Left Rear Cover") 2. Fan bracket [A] ( x 2, x 1, x 1)
  • Page 30 1. Replacement and Adjustment 3. Cooling fan [A] ( x 2) • When reinstalling the cooling fan, make sure that the cooling fan is installed with its decals facing upward.

  • Page 31: Electrical Components

    Electrical Components Electrical Components Paper Feed and End Sensors 1. Pull out the paper feed unit 2. Sensor bracket [A] ( x1, black screw x1, x1, x 2) 3. Paper feed sensor [A] (hooks) 4. Paper end sensor [B] (hooks) When reinstalling the sensor bracket •...

  • Page 32: Lift Sensor

    1. Replacement and Adjustment Lift Sensor 1. Paper feed unit (page 13 "Paper Feed Units") 2. Sensor bracket [A] ( x1, x1, 3. Lift sensor [A] (...

  • Page 33: Lcit Exit Sensor

    Electrical Components LCIT Exit Sensor 1. Disconnect the LCIT from the main machine. 2. Exit sensor unit [A] ( 3. Exit sensor [B] Exit Roller Lift Sensor 1. Disconnect the LCIT from the main machine.

  • Page 34: Removing The Vertical Feed Unit

    1. Replacement and Adjustment 2. Sensor bracket [A] ( 3. Exit roller lift sensor [A] ( Removing the Vertical Feed Unit 1. Open the front door. 2. Remove: • Inner upper cover (page 11 "Inner Covers") • Inner lower cover (page 11 "Inner Covers") •...
  • Page 35 Electrical Components 4. Disconnect the motor harnesses ( x3, x11). 5. Upper stay [A] ( 6. Lower stay [B] (...

  • Page 36: 1St Transport, 1St Relay Upper, Lower Sensors

    1. Replacement and Adjustment 7. Vertical feed unit [A] ( 1st Transport, 1st Relay Upper, Lower Sensors 1. Vertical feed unit (page 32 "Removing the Vertical Feed Unit") 2. Remove: 1st Transport sensor [A]: ( 1st Relay sensor – upper [B] ( 1st Relay sensor –...

  • Page 37: 2Nd Relay Sensor, 2Nd Transport Sensor

    Electrical Components 2nd Relay Sensor, 2nd Transport Sensor 1. Vertical feed unit (page 32 "Removing the Vertical Feed Unit") 2. Remove: 2nd Relay sensor [A] ( 2nd Transport sensor [B] (...

  • Page 38: 3Rd Relay Sensor, 3Rd Transport Sensor

    1. Replacement and Adjustment 3rd Relay Sensor, 3rd Transport Sensor 1. Vertical feed unit (page 32 "Removing the Vertical Feed Unit") 2. Remove: 3rd Relay sensor [A] ( 3rd Transport sensor [B] ( Main Control Board 1. Left rear cover (page 10 "Left Rear Cover") 2.

  • Page 39: Paper Height, Paper Width Sensors

    Electrical Components Paper Height, Paper Width Sensors Paper Height Sensors 1. Left rear cover (page 10 "Left Rear Cover") 2. Remove: Paper height sensor unit [A] ( x 2, x 4) Clamp bracket [B] ( Paper height sensors (x 4) [C] ( x 2 each) Paper Width Sensors 1.
  • Page 40 1. Replacement and Adjustment...

  • Page 41: Adjustment

    Adjustment Adjustment Side Registration Adjustment Normally the side registration of the image can be adjusted with SP1002-004 to -006 (Side-to-Side Registration – Tray 1, 2, 3). When the punch hole positions are not aligned from a particular feed station, adjust the side registration by changing the tray cover position for the tray, as described below. Then adjust the side registration of the image with the SP1002.
  • Page 42 1. Replacement and Adjustment 4. Tighten the screw on the paper lift sensor bracket [A]. • To return the upper limit position to the default position, move the paper lift sensor bracket 0.5 mm to the opposite side. • Return the upper limit position to the default if a paper jam occurs at the paper feed sensor in the LCIT.

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