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Toshiba MR-2017, MR-2020 service manual Circuit Diagram / Harness Diagram

Models: MR-2020 MR-2017

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MR-2017/2020	© 2005 - 2009 TOSHIBA TEC CORPORATION All rights reserved
CIRCUIT DIAGRAM / HARNESS DIAGRAM

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Image 84

Toshiba MR-2017, MR-2020 service manual Circuit Diagram / Harness Diagram

Contents

MR-2017/2020 Trademarks 09/12 Page Contents Control PC Board Circuit Specification MR-2017 MR-2020Specification Main Components Location ComponentsSectional View R4 R2 R3 R1Original tray Registration roller Original exit tray Intermediate transfer rollerElectric Parts Layout SW M1 SOL S7 ADFSymbols and Functions of Various Components Symbol Name FunctionADF control PC board ADF Controls the ADF Board Diagram of Signal Blocks Description of Interface Signals RxDDescription of Operations Feed motor drive section Read motor drive sectionOriginal feed motor drive section Read motor drive section Read motor Exit roller Pre-reading rollerOriginal Size Detection Original width size Orange Yellow GrayPower on Standby ADF jam access Cover OPEN? All sensors OFF?Empty sensor ON? Original Certain period Time passed?Read motor rotates Scanning start signal Certain periodSent level High Original exit Jam Read motor stopsDescription of Circuit Drive Circuit for Read Motor Reset Circuit Description of Operations Cover Front coverFront cover Jam access cover Rear coverRear cover PinJam access cover Left coverLeft cover Original tray Bushing ScrewRoller Paper feeder unitClip Pickup roller PM Feed roller PMShaft Clip Pickup rollerPulley ShaftSeparation roller PM Separation roller unitFeeder lower guide Original trayStay Registration roller Exit rollerExit guide Exit rollerPre-reading guide Intermediate transport rollerHinge pin Pre-reading guideConnector Pre-reading rollerPost-reading roller Screw BushingFlange Bearing Bushing Pulley Ring Bushing Ring Pulley Timing beltHolder Upper guide Motor / Motor drive section Original feed motor M1Spring Original feed motor drive section Harness clampRing Bushing Bracket WhiteRead motor M2 Read motorRead motor drive section SpringBracket Screw Tensioner Ring Solenoid Original pickup solenoid SOLOriginal pickup solenoid Mark-off lineSensor/switch Original tray width sensor S2Original tray sensor S1 Original tray sensorJam access cover sensor S7 Original empty sensor S3Metal plate cover Original registration sensor S4 Original empty sensor Original registration sensorRead sensor S5 Original exit/reverse sensor S6ADF opening/closing sensor S8 Radf opening/closing sensorJam access cover opening/closing switch SW BracketWhite Red Black PC Board ADF control PC board ADF boardADF board Others Hinge stopperAdjustment of Position CheckingAdjustment Adjustment Match the screw hole positions Install the right-hand hinge screw at the rear Place the platen sheet on the original glass Adjustment of Height ~0.2mm 0mmTurn it clockwis Adjustment of Skew 19 Chart OriginalAdjustment Adjustment of the Leading Edge Position 23 Chart OriginalAdjustment of Horizontal Position Adjustment of Copy Ratio Adjustment of ADF Opening/Closing Sensor Troubleshooting Troubleshooting for Mechanical ErrorsTroubleshooting for Electrical Errors Feed signal reception jam JamJam not reaching the original registration sensor Jam not reaching the read sensorRadf jam access cover open Stop jam at the registration sensorStop jam at the read sensor Stop jam at the exit sensorCover open jam in the read ready status Troubleshooting Periodic Maintenance Cleaning Lubrication/Coating Replacement Operation checkRemarks CoatingRewriting ROM Firmware Updating Circuit Diagram / Harness Diagram Assembly of PC BoardCircuit Diagram PWA-F-DLG-644PWA-F-DLG-643 Control PC Board Circuit Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram