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Canon Buffer Pass Unit-N1 Service Manual

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SERVICE
MANUAL
COPYRIGHT © 2016 CANON INC.
Buffer Pass
Unit-N1
September 2, 2016
Rev. 1
CANON Buffer Pass Unit-N1 Rev. 1 PRINTED IN U.S.A.
Table of Contents
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Summary of Contents for Canon Buffer Pass Unit-N1

  • Page 1 Buffer Pass Unit-N1 SERVICE MANUAL September 2, 2016 Rev. 1 CANON Buffer Pass Unit-N1 Rev. 1 PRINTED IN U.S.A. COPYRIGHT © 2016 CANON INC.
  • Page 2 When changes occur in applicable products or in the contents of this manual, Canon will release technical information as the need arises. In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.
  • Page 3 Introduction Symbols Explanation Symbols Explanation Disconnect the connector. Connect the power cable. Connect the connector. Disconnect the power cable. Remove the cable/wire from the Turn on the power. cable guide or wire saddle. Install the cable/wire to the cable Turn off the power. guide or wire saddle.

  • Page 4: Table Of Contents

    Contents Contents Safety Precautions....................1 Notes Before Servicing........................2 Points to Note at Cleaning........................2 Notes On Assembly/Disassembly....................... 2 Notes on Assembly/Disassembly......................2 1. Product Overview.....................3 Specifications............................4 Specifications............................4 Name of Parts............................. 5 External View............................5 Cross Section............................5 2. Technical Explanation..................6 Basic Configuration..........................
  • Page 5 Contents Motor..............................23 Removing the Buffer Pass Motor (M401)....................23 Sensor............................... 24 Removing the Buffer Pass Inlet Sensor (M401)..................24 Removing the Buffer Pass Outlet Sensor (M402)...................25 Removing the OPEN Detection Sensor (M403)..................26 PCB..............................27 Removing the Buffer Pass Controller PCB (PCB401)................27 5.

  • Page 6: Safety Precautions

    Safety Precautions Notes Before Servicing......2 Points to Note at Cleaning....2 Notes On Assembly/Disassembly..2...

  • Page 7: Notes Before Servicing

    Safety Precautions Notes Before Servicing CAUTION: At servicing, be sure to turn off the power source according to the specified steps and disconnect the power plug. CAUTION: Do not turn off the power switch when downloading is under way. Turning off the main power switch while downloading is under way can disable the machine.

  • Page 8: Product Overview

    Product Overview Specifications........4 Name of Parts........5...

  • Page 9: Specifications

    1. Product Overview Specifications Specifications Item Description Remarks Placement Center Installation Build-in type Paper Type (Buffer Thin paper, Plain paper, Heavy paper, Recycled paper, Transparency, Labels, Postcard Transfer from the pass delivery tray) host machine Stacking size (Buffer Feed direction: 148.0 to 431.8mm Long original pa- pass delivery tray) Width direction: 98.0 to 297.0mm...

  • Page 10: Name Of Parts

    1. Product Overview Name of Parts External View Name Buffer pass feed outlet port Buffer pass delivery tray Cross Section Name Feed Roller Buffer Pass Inlet Sensor Buffer Pass Exit Sensor OPEN Detection Sensor...

  • Page 11: Technical Explanation

    Technical Explanation Basic Configuration....... 7 Controls..........8 Basic Operation........9 Jam Detection........10 Power Supply........11 Upgrading..........12...

  • Page 12: Basic Configuration

    2. Technical Explanation Basic Configuration Basic Constitution The buffer unit consists of the following major components: M401 PS403 PS401 PCB401 PS402 Symbol Name PS401 Buffer Pass Inlet Sensor PS402 Buffer Pass Exit Sensor PS403 OPEN Detection Sensor PCB401 Buffer Pass Controller PCB M401 Buffer Pass Feed Motor Overview of Electrical Circuitry...

  • Page 13: Controls

    2. Technical Explanation Controls Controls Item Reference Basic Operation “Basic Operation” on page 9 Jam Detection “Jam Detection” on page 10 Upgrading “Upgrading” on page 12...

  • Page 14: Basic Operation

    2. Technical Explanation Basic Operation Basic Operation The device feeds paper that is fed from the Staple Finisher / the Booklet Finisher. Drive Configuration The following is a diagram showing the drive system of the buffer path. PS402 PS401 M401 Symbol Name M401...

  • Page 15: Jam Detection

    2. Technical Explanation Jam Detection Overview The following diagram shows the arrangement of sensors used to detect jams in the buffer pass. PS403 PS401 PS402 Jam Types Jam sensors and jam codes are listed below. Jam type Sensor Jam description Inlet sensor delay Jams PS401 When the inlet sensor (PS401) does not detect the paper even when the paper is fed...

  • Page 16: Power Supply

    2. Technical Explanation Power Supply Power Supply Route When a host machine is turned on, 24V and 5V are supplied in buffer pass controller PCB by a finisher. The 5V is converted into 3.3V by the regulator IC on the buffer pass controller PCB. The 5V is used to drive the sensors and logic.

  • Page 17: Upgrading

    2. Technical Explanation Upgrading Upgrading When upgrading the firmware of the buffer pass controller PCB, upgrade from the host machine. (Refer to the service manual for the host machine as to the detail.)

  • Page 18: Periodical Service

    Periodical Service Periodical Service Operation Item..14...

  • Page 19: Periodical Service Operation Item

    3. Periodical Service Periodical Service Operation Item Periodically Replaced Parts There are no parts that need to be periodically replaced on the buffer pass unit. Consumable Parts There is no consumable parts on the buffer pass unit.

  • Page 20: Disassembly/Assembly

    Disassembly/ Assembly Removing this Machine from the Host Machine........... 16 List of Parts......... 21 External Cover........22 Motor........... 23 Sensor..........24 PCB.............27...

  • Page 21: Removing This Machine From The Host Machine

    4. Disassembly/Assembly Removing this Machine from the Host Machine Removing this Machine 1. Open the Front Cover [1]. 2. Remove the 1 Screw [1]. 3. Detach the Finisher from the host machine.
  • Page 22 4. Disassembly/Assembly 4. Disconnect the Interface Cable [1]. 5. Remove the metal fixture [1]. • 4 screws [2] 6. Remove the Rear Relay Cover [1]. • 1 Screw [2]...
  • Page 23 4. Disassembly/Assembly 7. Open the Front Cover. 8. Open the Front Upper Cover. 9. Remove the Left Upper Cover Unit [1]. • 1 Screw [2] 10. Remove the Left Cover [1]. • 3 Screws [2]...
  • Page 24 4. Disassembly/Assembly 11. Disconnect the 2 connectors [1]. • 1 Reuse Band [2] 12. Remove the Reversal Guide [1].
  • Page 25 4. Disassembly/Assembly 13. Remove the 2 screws [1]. 14. Remove the Buffer Pass Unit. • 2 Hooks [1]...

  • Page 26: List Of Parts

    4. Disassembly/Assembly List of Parts Sensors, Motor, PCB M401 PS403 PS401 PCB401 PS402 Symbol Name Reference PS401 Buffer Pass Inlet Sensor “Removing the Buffer Pass Inlet Sensor (M401)” on page PS402 Buffer Pass Exit Sensor “Removing the Buffer Pass Outlet Sensor (M402)” on page PS403 OPEN Detection Sensor “Removing the OPEN Detection Sensor (M403)”...

  • Page 27: External Cover

    4. Disassembly/Assembly External Cover Removing the Buffer Pass Upper Unit ■ Procedure 1. Remove the Buffer Pass Upper Unit Retainer [1]. • 1 Screw [2] 2. Remove the Buffer Pass Upper Unit.

  • Page 28: Motor

    4. Disassembly/Assembly Motor Removing the Buffer Pass Motor (M401) ■ Procedure 1. Remove the Buffer Pass Motor Unit [1]. • 3 Screws [2] • 1 Connector [3] 2. Remove the Buffer Pass Motor [1]. • 2 Screws [2]...

  • Page 29: Sensor

    4. Disassembly/Assembly Sensor Removing the Buffer Pass Inlet Sensor (M401) ■ Procedure 1. Turn over the Buffer Pass Unit. 2. Remove the Buffer Pass Inlet Sensor [1]. • 1 Connector [2]...

  • Page 30: Removing The Buffer Pass Outlet Sensor (M402)

    4. Disassembly/Assembly Removing the Buffer Pass Outlet Sensor (M402) ■ Procedure 1. Turn over the Buffer Pass Unit. 2. Remove the Buffer Pass Outlet Sensor [2]. • 1 Connector [1]...

  • Page 31: Removing The Open Detection Sensor (M403)

    4. Disassembly/Assembly Removing the OPEN Detection Sensor (M403) ■ Procedure 1. Remove the Buffer Pass Upper Unit.“Removing the Buffer Pass Upper Unit” on page 22 2. Remove the OPEN Detection Sensor [2]. • 1 Connector [1]...

  • Page 32: Pcb

    4. Disassembly/Assembly Removing the Buffer Pass Controller PCB (PCB401) ■ Procedure 1. Remove the Buffer Pass Controller PCB [1]. • 1 Screw [2] • 5 Connectors [3] • 1 Locking Support [4]...

  • Page 33: Adjustment

    Adjustment Basic Adjustment........ 29...

  • Page 34: Basic Adjustment

    5. Adjustment Basic Adjustment Basic Adjustments Buffer pass unit does not have adjustment work.

  • Page 35: Installation

    Installation Checking Before Installation....31 Unpacking........... 32 Checking the Contents......33 Installation Procedure......34 Making Checks after Completion of Installation Work......41...

  • Page 36: Checking Before Installation

    6. Installation Checking Before Installation Points to Note on Installation Install this Equipment after installing the Host Machine. Product Name Safety regulations require the product's name to be registered. In some regions where this product is sold, the following names may be registered instead.

  • Page 37: Unpacking

    6. Installation Unpacking Unpacking Procedure 1. Open the container box, and then take out the included parts and cushioning materials. 2. Open the plastic sheet. Take out the Buffer Pass Unit by holding its both sides as shown in the figure, and then remove all the tapes and the cushioning materials.

  • Page 38: Checking The Contents

    6. Installation Checking the Contents Check that none of the included parts is missing. [1] Buffer Pass Unit 1pc. [2] Screw (Binding; M4x8) 3pcs. [3] Grounding Plate 1pc. [4] Screw (RS tightening; M3x8) 2pcs. [5] Screw (Binding; M4x14) 2pcs. [6] Rear Relay Cover 1pc. [7] Buffer Pass Left Upper Cover 1pc.

  • Page 39: Installation Procedure

    6. Installation Installation Procedure 3. Remove the Sensor Flag of the Delivery Tray Full Detection Sensor 1 (the lower sensor flag in the Installation Procedure figure). CAUTION: Make sure that the Host Machine is turned off and the power plug is disconnected from the outlet. 1.
  • Page 40 6. Installation 5. Remove the Inner Cover (Upper/Lower). 7. Remove the Face Cover. • 2 Screws • 1 Claw CAUTION: Be careful not to forget to remove the Inner Cover (Upper/Lower), if it is forgotten to remove the cover, the Buffer Pass is not grounded, so that the controller of the Host Machine may be damaged by an electro static noise.
  • Page 41 6. Installation 9. Open the Front Cover. 12. Remove the Left Cover. • 3 Screws 10. Open the Front Upper Cover. 13. Remove the Subtray. • 1 Hook • 2 Claws 11. Remove the Left Upper Cover Unit. • 1 Screw...
  • Page 42 6. Installation 14. Set the Inner Buffer Pass Unit to the host machine 16. Fix the Buffer Pass Unit to the Host Machine. as shown in the figure carefully so that the host • 2 Screws (Binding ; 4x8) machine can not be damaged. •...
  • Page 43 6. Installation 18. Remove the Left Upper Cover, which excluded in 20. Install the Left Cover. procedure 11. • 3 Screw (RS Tightening ; M3x8) • 1 Screw • 3 Hooks 21. Install the Left Upper Cover Unit. • 4 Claws •...
  • Page 44 6. Installation 22. Remove the Protection Sheet from the Buffer Pass 25. Install the Rear Relay Cover. Left Upper Cover. • 3 Hooks • 1 Screw (Binding ; M4x8) Binding (M4x8) 23. Close the Front Upper Cover. 26. Remove the 2 Face Seals (White) from Left Cover. 24.
  • Page 45 6. Installation 27. Install the Grounding Plate. • 2 Screws (Binding ; M4x14) • 2 Screws (RS Tightening ; M3x8) Binding RS Tightening (M4x14) (M3x8)

  • Page 46: Making Checks After Completion Of Installation Work

    6. Installation Making Checks after Completion of Installation Work Disposal Parts Check 1. Following disposal parts are remained after completion of the installation work. [1] Sensor Flag of the Delivery Tray Full Detection Sensor1 1pc. [2] Face Cover 1pc. [3] Face Cover 1pc. [4] Subtray 1pc.

  • Page 47: Appendices

    APPENDICES Service Tools........43 General Circuit Diagram......44...

  • Page 48: Service Tools

    Service Tools Service Tools Solvents and Oils Name Uses Composition Remarks Alcohol Cleaning; Fluoride-family hydrocar- • Do not bring near fire e.g.,plastic, rubber parts, external • Procure locally covers. Alcohol • Substitute: IPA (isopropyl Surface activating agent alcohol) Water Solvent Cleaning;...

  • Page 49: General Circuit Diagram

    General Circuit Diagram General Circuit Diagram General Circuit Diagram...

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