Ricoh D3GB Field Service Manual Download Page 55

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2.Replacement and Adjustment

Remove the paper size sensors [C] (

x 1 each).

Main Control Board

Main Board

Remove the rear cover (

Front Door and Covers

)

Remove the main control board [A] (

x 7,

x 1,

x All)

Main Control Board Bracket

Remove the rear cover (

Front Door and Covers

)

Summary of Contents for D3GB

Page 1: ...LCIT RT5130 Machine Code D3GB Field Service Manual Ver 1 0 Latest Release Mar 2019 Initial Release Mar 2019 Copyright c 2019 Ricoh Co Ltd...

Page 2: ......

Page 3: ...ose 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...

Page 4: ......

Page 5: ...18 Remaining Paper Detection 20 Paper End Detection 21 Exit Roller Contact Separation 22 Dehumidification 23 Jam Detection LED 24 2 Replacement and Adjustment 26 Doors and Covers 26 Front Door and Cov...

Page 6: ...50 Paper Height Sensors Paper Size Sensors 50 Main Control Board 51 Tray 4th Paper Feed Unit LED 52 LCT Exit LED 53 Tray 5th Paper Feed Unit LED Tray 6th Paper Feed Unit LED 54 Adjustments 57 Side Re...

Page 7: ...erview and Components Basic Specifications Items Specification Power consumption 210 W Power supplied from the main unit Dimensions W D H 540 730 1 000 mm 21 3 28 8 39 4 inches Except protruding parts...

Page 8: ...t 1 Paper Weight 5 A4 LEF 81 2 11 LEF 1 1 Do not stack paper over the limit mark The maximum number of sheets you can set at once depends on the paper s thickness and condition 2 You can load paper in...

Page 9: ...1 Overview and Components 5 1 Do not stack paper over the limit mark The maximum number of sheets you can set at once depends on the paper s thickness and condition...

Page 10: ...r Size Switch 6 LCT Exit Separation Motor 21 Tray 6th Paper Height Sensor 3 7 LCT Cooling Fan 2 22 Tray 6th Paper Height Sensor 4 8 Tray 4th Paper Height Sensor 1 23 LCT Cooling Fan 3 9 Tray 4th Paper...

Page 11: ...Tray 5th Paper Feed Motor 3 Tray 5th Transport Motor 11 Tray 5th Lift Motor 4 Tray 4th Vertical Transport motor 12 Tray 6th Paper Feed Motor 5 LCT Exit Motor 13 Tray 6th Transport Motor 6 Tray 4th Tra...

Page 12: ...Overview and Components 8 No Name No Name 1 Tray 4th Paper Feed Unit LED 5 Tray 5th _LED1 2 2 Tray 4th _LED1 2 6 Tray 6th Paper Feed Unit 3 LCT Exit LED 7 Tray 6th _LED1 2 4 Tray 5th Paper Feed Unit L...

Page 13: ...verview No Name No Name 1 Tray 4th Transport Motor 14 Tray 6th Paper Feed Motor 2 Pick up Solenoid 15 Tray Driving Belt 3 Lift Sensor 16 Pickup Roller 4 Tray 4th Paper Feed Motor 17 Separation Roller...

Page 14: ...t Motor 8 Tray 5th Transport Motor 21 Tray 6th Vertical Transport Motor 9 Tray 5th Paper Feed Motor 22 Tray 5th Vertical Transport Motor 10 Paper Height Sensor 1 23 Release HP Sensor 11 Paper Height S...

Page 15: ...in SP mode Tray Lifting Lowering Tray is lifted by the lift motor and timing belt It is lowered using a free fall system Remaining Paper Detection Feeler and four photo interrupters detect remaining...

Page 16: ...ation Flow LCIT RT5130 is controlled by the main machine When the main power is turned ON this machine detects connection If LCIT RT5130 is connected this machine always checks tray set and paper and...

Page 17: ...ration roller and a grip transport roller There is a magnet type torque limiter at the rear of the separation roller The reverse pressure release mechanism releases reverse pressure when the tray is o...

Page 18: ...Friction against the paper feed roller exceeding the torque of the separation roller causes both the separation roller and paper feed roller to rotate When two or more sheets are fed the separation ro...

Page 19: ...Components 15 No Name No Name 1 Paper Feed Motor 4 Separation Roller 2 Transport Motor 5 Paper Feed Roller 3 Pickup Roller No Name No Name 1 Pick up Solenoid 3 Pickup Roller 2 Paper Feed Roller 4 Sep...

Page 20: ...1 Overview and Components 16 A The cover of the paper feed roller...

Page 21: ...nsor B Size Detection Plate Size Detection Trays 4 and 5 detect the position of the size lever using a three way push switch This can be changed by users Tray 6 can be changed using the SP mode Tray 6...

Page 22: ...ect the upper limit when the pickup roller is down the machine turns the lift motor on and the motor starts lifting the bottom plate of the tray When the tray rises the top sheet of paper pushes the p...

Page 23: ...k up solenoid is off the pick up roller does not lower and the lift sensor does not detect the upper limit the machine will stop operating as a result of tray error sensor error SCs 504 to 506 If the...

Page 24: ...Paper Height Sensor 1 3 Paper Height Sensor 3 2 Paper Height Sensor 2 4 Paper Height Sensor 4 Relationship Between the State of the Sensor and the Amount of Paper Remaining Paper Amount State of the S...

Page 25: ...r end sensor reflex type sensor This sensor detects paper end by detecting the face of the paper When paper end is detected the lift motor rotates backward to lower the bottom plate of the tray Revers...

Page 26: ...The LCT exit separation motor turns on and the cam at the rotation axis is rotated via gears The roller contact arm that is interlocked with the cam moves up and down to separate the driven exit roll...

Page 27: ...n be installed to the bottom of the LCT to dehumidify it The anti condensation heaters remain on even when the power is off Notes on Tray Lifting Control Flow To ignore the chattering of the sensor th...

Page 28: ...ects the position of the jammed paper The LED flashes when the front door is opened If multiple jams occurred in different locations all corresponding LEDs will flash simultaneously F Flashing Not fla...

Page 29: ...1 Overview and Components 25 Sensor 1st Tray Jam LED 2nd Tray Jam LED 3rd Tray Jam LED Paper Exit Jam LED 3rd Relay Sensor LCT Exit Sensor F...

Page 30: ...djustment 26 2 Replacement and Adjustment Doors and Covers Front Door and Covers Top Covers Rear Cover 1 Remove the top right edge cover x2 2 Disconnect the top flat cover A and slide it in the direct...

Page 31: ...2 Replacement and Adjustment 27 3 Remove the rear cover A x8 4 Remove the left edge cover A x11 Right Cover 1 Remove the right cover x6...

Page 32: ...2 Replacement and Adjustment 28 Door 1 Remove the top covers Top Covers Rear Cover 2 Free the harness and then disconnect it x2 x1...

Page 33: ...2 Replacement and Adjustment 29 3 Remove the bracket screw x1 4 Lift the door off its hinges and then remove it Inner Covers 1 Remove the inner cover A x3 Knobs x3...

Page 34: ...2 Replacement and Adjustment 30 2 Remove the inner cover B x2 Knob x1...

Page 35: ...ent 31 Trays Top Tray Tray 4 1 Open the front door A 2 Pull open the top tray B until it stops 3 Lift the top tray A out of the drawer x 4 Middle Tray Tray 5 1 Open the front door 2 Pull open the midd...

Page 36: ...ent and Adjustment 32 3 Lift the middle tray A out of the drawer x 4 x 2 Bottom Tray Tray 6 1 Open the front door 2 Pull open the bottom tray A until it stops 3 Lift the bottom tray A out of the drawe...

Page 37: ...op Tray Paper Feed Unit 1 Remove the rear cover Front Door and Covers 2 Remove the right cover Front Door and Covers 3 Remove the inner cover Inner Covers 4 Remove the top tray Top Tray Tray 4 5 Remov...

Page 38: ...paper feed unit B and then move it to the lower right side x 2 10 Remove the paper feed unit A Middle Tray Paper Feed Unit 1 Remove the rear cover Front Door and Covers 2 Remove the right cover Front...

Page 39: ...the paper feed unit with stay B and then move it to the lower right side x 2 x 2 9 Remove the stay C x 2 10 Remove the paper feed unit D Bottom Tray Paper Feed Unit 1 Remove the rear cover Front Door...

Page 40: ...out the middle tray 8 Pull the paper feed unit with stay A and then move it to the right lower side x 2 x 2 9 Remove the stay B x 2 10 Remove the paper feed unit C Paper Feed Separation and Pickup Ro...

Page 41: ...Separation roller x 1 C Pickup roller x 1 Middle Bottom Tray 1 Remove the middle tray or bottom tray 2 Remove the inner upper cover of the middle tray or bottom tray Inner Covers 3 Remove the tray si...

Page 42: ...2 Replacement and Adjustment 38...

Page 43: ...he removal procedure is the same for each feed tray 1 Remove the rear cover Front Door and Covers 2 Remove the motor unit A x4 x2 3 Remove the springs A x 2 First loosen the screws x2 Remove the paper...

Page 44: ...rd 3 Remove Tray 4th lift motor A x3 x 1 Remove Tray 5th lift motor B x3 x 1 6th Lift Motor 1 Remove the rear and right covers Front Door and Covers 2 Remove the 6th lift motor A x 4 x1 Vertical Trans...

Page 45: ...e the vertical transport motor A x2 x1 Re installation Make sure that the tension spring is connected then tighten the screw 5th Transport Motor Remove Rear cover Front Door and Covers A Motor unit x4...

Page 46: ...42 A 5th Transport motor x2 x1 Reinstallation Be sure that the tension spring is connected then tighten the screw 6th Transport Motor Remove Rear cover Front Door and Covers A Motor unit x6 x 1 B Spri...

Page 47: ...lacement and Adjustment 43 A LCT exit motor x2 x1 Reinstallation Be sure that the tension spring is connected then tighten the screw LCT Exit Separation Motor 1 Remove the rear cover Front Door and Co...

Page 48: ...nit A x6 x 1 3 Remove the spring x1 A First loosen screw x 1 Remove the LCT exit separation motor B x2 x1 Re installation Make sure that the tension spring is connected then tighten the screw Cooling...

Page 49: ...ing the cooling fan make sure that the cooling fan is installed with its decals facing upward Cooling Fan 2 1 Remove the rear cover Front Door and Covers 2 Remove the inner cover upper lower Inner Cov...

Page 50: ...2 Replacement and Adjustment 46 4 Remove the brackets A B and C 5 Remove the screws from the left side of the transport unit...

Page 51: ...2 Replacement and Adjustment 47 6 Remove the screws from the right side of the transport unit 7 Remove the transport unit A and remove the cooling fan 2 B...

Page 52: ...2 Replacement and Adjustment 48 Cooling Fan 3 1 Remove the cooling fan 3 A with the bracket 2 Remove the cooling fan 3 A...

Page 53: ...the sensor bracket A x 1 x 3 x 1 3 Remove the following A Paper feed sensor hooks B Paper end sensor hooks When reinstalling the sensor bracket Make sure that the white connector is connected to the...

Page 54: ...the exit sensor A x1 x1 x1 Paper Height Sensors Paper Size Sensors 1 Remove the rear cover Front Door and Covers 2 Remove the right cover Front Door and Covers 3 Remove the main control board bracket...

Page 55: ...ove the paper size sensors C x 1 each Main Control Board Main Board 1 Remove the rear cover Front Door and Covers 2 Remove the main control board A x 7 x 1 x All Main Control Board Bracket 1 Remove th...

Page 56: ...the main control board bracket A x 8 x 3 x All Tray 4th Paper Feed Unit LED 1 Remove the inner cover upper Inner Covers 2 Remove the tray 4th paper feed unit LED B from the bracket A When attaching t...

Page 57: ...nt 53 side of the bracket A LCT Exit LED 1 Remove the inner cover upper Inner Covers 2 Remove the tray LCT exit LED B from the bracket A When attaching the LCT exit LED set the LED connector B to the...

Page 58: ...y 5th Paper Feed Unit LED Tray 6th Paper Feed Unit LED The replacement procedure is the same for both LEDs The procedure for the tray 5th paper feed unit LED is explained below 1 Remove the fixing scr...

Page 59: ...aper feed tray and paper feed unit toward you and remove the inner cover A 3 Remove the tray 5th paper feed unit LED B from the bracket A When attaching the tray 5th paper feed unit LED set the LED co...

Page 60: ...2 Replacement and Adjustment 56...

Page 61: ...de registration of the image with using the SP setting 1 Pull out the tray 2 Change the positions of the screws in the red circles on both the right and left sides as shown Adjustment range 0 2 0 mm a...

Page 62: ...CIS may be defective 9 Exit the SP mode 10 Re attach the LCT to the main machine 11 Select User Tools Adjust Settings for Operators 12 Execute 0111 4 to 7 for Trays 4 5 6 7 and set the value for each...

Page 63: ...Position Adjustment Feed Setting and reset the values for Trays 4 5 6 and 7 to On Double Feed Problem With the LCT If double feed occurs several times when paper is fed from the LCT try changing the u...

Page 64: ...the lift sensor bracket A To return the upper limit position to the default position move the paper lift sensor bracket 0 7 mm to the opposite side Return the upper limit position to the default if a...

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