Canon PF-C1 Service Manual
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Canon PF-C1 Service Manual

Canon PF-C1 Service Manual

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SERVICE
MANUAL
COPYRIGHT © 2019 CANON INC.
Paper Feeder
PF-C1
January 29, 2019
Rev. 2
CANON Paper Feeder PF-C1 Rev. 2 PRINTED IN U.S.A.

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  • Page 1 Paper Feeder PF-C1 SERVICE MANUAL January 29, 2019 Rev. 2 CANON Paper Feeder PF-C1 Rev. 2 PRINTED IN U.S.A. COPYRIGHT © 2019 CANON INC.

  • Page 2: Important Notices

    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 Important Notices Symbols Explanation Symbols Explanation Check a sound. Push the part. 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.

  • Page 4: Table Of Contents

    Contents Contents Safety Precautions....................1 Points to Note Before Servicing......................2 Points to Note at Cleaning........................2 Notes on Assembly/Disassembly......................2 1. Product Overview.....................3 Specification............................4 Specifications............................4 List of Parts............................5 External View............................5 Cross Section View..........................6 2. Technology....................... 7 Overview............................. 8 Pickup/Feed Control..........................10 Cassette Lift-up Operation........................
  • Page 5 Contents APPENDICES......................39 General Circuit Diagram........................40...

  • Page 6: Safety Precautions

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

  • Page 7: Points To Note Before Servicing

    Safety Precautions Points to Note Before Servicing • At servicing, be sure to turn off the power source according to the specified steps and disconnect the power plug. • Do not turn off the power switch (of the host machine) 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 Specification..........4 List of Parts........... 5...

  • Page 9: Specification

    1. Product Overview Specification Specifications Item Specifications Paper Material Plain (75 to 89 g/m ), Plain L (61 to 74 g/m ), Plain L2 (60 g/m ), Plain L3 (52 to 59 g/m Heavy 1 (90 to 105 g/m ), Heavy 2 (106 to 120 g/m Bond 1 (60 to 74 g/m ), Bond 2 (75 to 104 g/m ), Bond 3 (105 to 120 g/m...

  • Page 10: List Of Parts

    1. Product Overview List of Parts External View Name Drawer Connector Positioning Pin Cassette Lock lever Hook...

  • Page 11: Cross Section View

    1. Product Overview Cross Section View [1] [2] [3] Name Cassette Pickup Roller Cassette Feed Roller Cassette Separation Roller Vertical Path Roller...

  • Page 12: Technology

    Technology Overview..........8 Pickup/Feed Control......10 Cassette Lift-up Operation....11 Cassette detection......12 Cassette Double Feed Prevention Mechanism........13 Jam Detection........14...

  • Page 13: Overview

    2. Technology Overview The Paper Feeder (PF) is an option to be installed on the bottom of a printer. The printer supports 3-cassette Paper Feeder. Print paper flow is shown below: Simplex paper path Duplex paper path The pickup operation of the Paper Feeder is controlled by performing serial communication between the Paper Feeder Controller and the DC Controller.
  • Page 14 2. Technology Paper Feeder Motor +3.3VB +24VD Clutch Solenoid Paper Feeder DC controller controller Sensor Switch If the Paper Feeder Controller PCB does not perform serial communication during warm-up rotation, the DC Controller judges the connection failure of the Paper Feeder and notifies a warning. The following table shows a list of electrical components.

  • Page 15: Pickup/Feed Control

    2. Technology Pickup/Feed Control Pickup/feed control of the Paper Feeder uses the same mechanism as printer. Rollers in the Paper Feeder are operated through the Pickup Motor (M2) of the printer via gears. Pickup/feed control sequence of the Paper Feeder is shown below: 1.

  • Page 16: Cassette Lift-Up Operation

    2. Technology Cassette Lift-up Operation Paper inside a cassette is lifted up by the Lifting Plate. When the Lifting Plate is rising, the PF Lifter Motor (M5) is controlled to keep the paper surface steady so that pickup can be performed stably.

  • Page 17: Cassette Detection

    2. Technology Cassette detection Cassette detection of the Paper Feeder is performed in the same way as the printer. The cassette detection flag of the cassette is detected by the Cassette Detection Switch (SW3) in the Paper Feeder. When the cassette presence is changed, the DC Controller notifies the Main Controller of the status change.

  • Page 18: Cassette Double Feed Prevention Mechanism

    2. Technology Cassette Double Feed Prevention Mechanism At Normal Time The Cassette Separation Roller is driven by the Cassette Feed Roller drive via paper. This causes the Cassette Separation Rollers to rotate in the feed direction. During Double Feed Since the friction force between sheets of paper becomes weaker when there are multiple sheets of paper, the Cassette Feed Roller drive force transmitted to the Cassette Separation Roller becomes extremely weak.

  • Page 19: Jam Detection

    2. Technology Jam Detection Jam during pickup/feed from the Paper Feeder is detected by the DC Controller of the printer. The following sensor performs jam detection. • PS432: PF Media Path Sensor PS432 * For jam code and detection description, refer to the Service Manual of the host machine.

  • Page 20: Periodical Service

    Periodical Service Periodically Replaced Parts....16 Consumable Parts.......17 Periodical Service....... 18...

  • Page 21: Periodically Replaced Parts

    3. Periodical Service Periodically Replaced Parts Periodically Replaced Parts • Periodic replacement parts are not required in this machine.

  • Page 22: Consumable Parts

    3. Periodical Service Consumable Parts Durables Replaced by the Service Person • Consumable parts are not required in this machine.

  • Page 23: Periodical Service

    3. Periodical Service Periodical Service Periodical Service • No periodic services are required to this machine.

  • Page 24: Parts Replacement And Cleaning

    Parts Replacement and Cleaning Parts List..........20 External Cover System....... 21 Controller System........30 Pickup Feed System......32...

  • Page 25: Parts List

    4. Parts Replacement and Cleaning Parts List Major Units Name Controller PCB Cassette Pickup Unit Cassette Separation Roller Unit Drive Unit...

  • Page 26: External Cover System

    4. Parts Replacement and Cleaning External Cover System Removing the Right Cover ■ Preparation 1. Remove the cassette. ■ Procedure CAUTION: • When installing/removing the Right Cover, be sure to hook the 2 Grounding Springs on the cover. • After installing the Right Cover, be sure that the 2 Grounding Springs are in contact with the plate.
  • Page 27 4. Parts Replacement and Cleaning NOTE: The positions of the hook [1], protrusions [2], claws [3], and Grounding Springs [4] are shown below. 1. Remove the screw. 2. Be sure to hook the 2 Grounding Springs on the cover.
  • Page 28 4. Parts Replacement and Cleaning 3. Turn and stand this equipment vertically. 4. Free the hook on the bottom.
  • Page 29 4. Parts Replacement and Cleaning 5. Free the protrusions and claw [A] on the rear side, and put them on the frame. 6. Free the protrusions and claw [B] on the front side, and put them on the frame. 7. Lift up the front side, and remove the Right Cover.

  • Page 30: Installing The Right Cover

    4. Parts Replacement and Cleaning Installing the Right Cover CAUTION: • When installing/removing the Right Cover, be sure to hook the 2 Grounding Springs on the cover. • After installing the Right Cover, be sure that the 2 Grounding Springs are in contact with the plate. •...
  • Page 31 4. Parts Replacement and Cleaning 1. Turn and stand this equipment vertically. 2. Put the Right Cover horizontally on it. 3. While disengaging the Grounding Spring [A], hook the 2 protrusions on the rear side on the frame.
  • Page 32 4. Parts Replacement and Cleaning 4. While holding down the Grounding Spring [B], hook the hook on the bottom on the frame. 5. While disengaging the Grounding Spring [B], hook the 2 protrusions on the front side on the frame.
  • Page 33 4. Parts Replacement and Cleaning 6. Push the entire cover to attach it. 7. Turn this equipment on its bottom. 8. Shift the 2 Grounding Springs so that they are in contact with the plate.
  • Page 34 4. Parts Replacement and Cleaning 9. Install the screw.

  • Page 35: Controller System

    4. Parts Replacement and Cleaning Controller System Removing the Controller PCB ■ Preparation 1. Remove the cassette. “Removing the Right Cover” on page 21 ■ Procedure 1. Remove the spring, and remove the PCB Cover and the Drawer Holder. 2. Disconnect the 9 connectors. 3.
  • Page 36 4. Parts Replacement and Cleaning 4. Remove the Controller PCB.

  • Page 37: Pickup Feed System

    4. Parts Replacement and Cleaning Pickup Feed System Removing the Pickup Roller Unit NOTE: Since this procedure is the same with that for the host machine, illustrations of the host machine are used. ■ Preparation 1. Remove the cassette. ■ Procedure CAUTION: Do not touch the surface of the 2 rollers of the Cassette Pickup Unit.

  • Page 38: Removing The Cassette Separation Roller Unit

    4. Parts Replacement and Cleaning NOTE: Procedure for Installing the Cassette Pickup Unit 1. While pressing the lever, fit the boss into the groove on the lever. 2. Fit the hole of the Cassette Pickup Unit onto the shaft on the left side, and push it until it stops. 3.

  • Page 39: Removing The Drive Unit

    4. Parts Replacement and Cleaning ■ Procedure CAUTION: Do not touch the surface of the Cassette Separation Roller. 1. Remove the Cassette Separation Roller Unit. Removing the Drive Unit ■ Preparation 1. Remove the cassette. “Removing the Right Cover” on page 21...
  • Page 40 4. Parts Replacement and Cleaning ■ Procedure 1. Remove the spring, and remove the PCB Cover and the Drawer Holder. 2. Disconnect the 4 connectors. 3. Remove the Harness Guide.

  • Page 41: Removing The Trailing Edge Guide Plate

    4. Parts Replacement and Cleaning 4. Free the harness. 5. Remove the Drive Unit. Removing the Trailing Edge Guide Plate ■ Preparation 1. Remove the cassette. ■ Procedure 1. Hold the lever, and pull the Cassette Unit (Rear) toward the front.
  • Page 42 4. Parts Replacement and Cleaning 2. Turn and stand the Cassette Unit (Rear) vertically. While holding the lever, release the 2 claws and remove the Cassette Unit (Rear). 3. Move the Trailing Edge Guide Plate toward the front.
  • Page 43 4. Parts Replacement and Cleaning 4. While holding the lever, release the claw of the Trailing Edge Guide Plate. CAUTION: Be careful not to let the spring come off. 5. Turn and stand the Cassette Unit (Rear) vertically. While holding the lever, release the 2 claws and remove the Trailing Edge Guide Plate.
  • Page 44 APPENDICES General Circuit Diagram......40...
  • Page 45 General Circuit Diagram General Circuit Diagram PS461 PS460 PS432 Cassette Media Media Stack Paper Cassette Surface Media Path Presence to Paper Feeder Feed Pickup PF Lifter Cassette Sensor Sensor Sensor Clutch Solenoid Motor (Lower) Detection Switch J604DH J650 J651L J604 J651DH 1 2 3 4 5 6 7 J651D...

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