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Canon H1 Service Manual

Color image reader unit
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Table of Contents
Color Image Reader Unit - H1
SERVICE MANUAL Rev0
Product Outline
Technology
Periodic Servicing
Parts Replacement and Cleaning Procedure
Adjustment
Installation
Appendix
1
2
3
4
5
6

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Summary of Contents for Canon H1

  • Page 1 Color Image Reader Unit - H1 SERVICE MANUAL Rev0 Product Outline Technology Periodic Servicing Parts Replacement and Cleaning Procedure Adjustment Installation Appendix...
  • Page 2 This manual is copyrighted with all rights reserved. Under the copyright laws, this manual may changes in the contents of this manual over a long or short period, Canon will issue a new not be copied, reproduced or translated into another language, in whole or in part, without the edition of this manual.
  • Page 3 Explanation of Symbols The following rules apply throughout this Service Manual: The following symbols are used throughout this Service Manual. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of Symbols Explanation Symbols...

  • Page 4: Table Of Contents

    Contents Periodically Replaced Parts -------------------------------------------------------------2-14 Consumable Parts -------------------------------------------------------------------------2-14 Periodical Servicing -----------------------------------------------------------------------2-14 Action to take when replacing parts ---------------------------------------------------2-14 Major Adjustments -------------------------------------------------------------------------2-14 Troubleshooting ----------------------------------------------------------------------------2-14 Safety Precautions Basic Configuration (DADF) ---------------------------------------------- 2-15 Notes Before it Works Serving ---------------------------------------------0-8 Component Configuration ------------------------------------------------------2-15 Points to Note at Cleaning --------------------------------------------------0-8 Outline of Electric Circuits ---------------------------------------------------------------2-15 Drive Configuration ---------------------------------------------------------------2-15 Product Outline...
  • Page 5 Periodic Servicing -----------------------------------------------------------------2-27 Removing the Pickup Roller Unit ---------------------------------------------4-22 Removing the Separation Pad -------------------------------------------------4-23 Periodic Servicing Replacing the Stamp -------------------------------------------------------------4-23 Exchanging the Feed Guide ---------------------------------------------------4-24 List of Work for Scheduled Servicing ------------------------------------3-2 Clutch Solenoid Motor Fan PCB (DADF) ----------------------------- 4-25 Parts Replacement and Cleaning Procedure Removing the ADF Motor(M1) -------------------------------------------------4-25 Removing the Release Motor(M2) --------------------------------------------4-25...
  • Page 6 Pre-check ------------------------------------------------------------------------------------- 5-7 Signal Name List (DADF) ------------------------------------------------------v Adjustment Procedure --------------------------------------------------------------------- 5-7 Signal Name List ------------------------------------------------------------------------------- v Check the height of the left hinge ------------------------------------------------------ 5-8 Check the height of the right hinge ----------------------------------------------------- 5-8 Adjust the height of the left hinge ------------------------------------------------------- 5-9 Adjust the height of the right hinge ----------------------------------------------------- 5-9 Adj of DADF Tray width ---------------------------------------------------------5-10 AB-Configuration Adjustment -----------------------------------------------------------5-10...

  • Page 7: Safety Precautions

    Safety Precautions ■ Notes Before it Works Serving ■ Points to Note at Cleaning...

  • Page 8: Notes Before It Works Serving

    Safety Precautions > Points to Note at Cleaning Notes Before it Works Serving 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 9: Product Outline

    Product Outline ■ Original Exposure System (Reader) ■ Specifications (Reader) ■ Names of Parts (Reader) ■ Features (DADF) ■ Specifications (DADF) ■ Names of Parts (DADF) Product Outline...

  • Page 10: Original Exposure System (Reader)

    Product Outline > Specifications (Reader) Original Exposure System (Reader) Specifications (Reader) ■ Specifications Features (Reader) Item Specification/function • Adapting new CCD unit, allows low power consumption. Original exposure Indirect exposure by LED (LED & photoconductive body) • Improvement of the CCD unit disassembly Original scan In book mode Scan by movement of CCD...

  • Page 11: Names Of Parts (Reader)

    Product Outline > Names of Parts (Reader) Names of Parts (Reader) ■ Major Components Following shows major components of document exposure system. ■ External View Reader rear cover Reader front cover Reader left cover CCD unit F-1-1 F-1-3 ■ Cross Section Item Notation Specification/function...

  • Page 12: Reader Relay Pcb

    Product Outline > Names of Parts (Reader) ■ Reader Relay PCB The function configuration of reader controller PCB is described below. J501 J508 J507 J503 J504 J506 J505 J509 J510 J502 F-1-4 Jack No Description J501 Communication with CCD J502 Communication with main controller PCB J503 Connection to Scanner motor...

  • Page 13: Features (Dadf)

    Product Outline > Names of Parts (DADF) > Cross Section Features (DADF) Names of Parts (DADF) The mixed mode of the different width manuscript. External View The detection of the different manuscript type (AB type / inch type). Slide guide Feeder Cover Specifications (DADF) Rear Cover...

  • Page 14: Technology

    Technology ■ Controls (Reader) ■ Servicing (Reader) ■ Basic Configuration (DADF) ■ Controls (DADF) ■ Work of service (DADF) Technology...

  • Page 15: Basic Sequence

    Technology > Controls (Reader) Controls (Reader) ● Basic Sequence at Start Key ON (ADF mode/1 original) Dust detection Copy start ■ Basic Sequence control In stream reading (Scanner F F F F F F B F ● Basic Sequence at Power-On motor) Light-ON Light-ON...

  • Page 16: Controlling The Scanner Drive System

    Technology > Controls (Reader) ■ Controlling the Scanner Drive System ● Scanner Motor Control 1) Forward movement when scanning an image ● Configuration of drive system CCD operation is controlled by the following sensors when scanning the image. Parts configuration of scanner drive is described below. Original Start position Original...

  • Page 17: Ccd Unit

    Technology > Controls (Reader) ■ CCD Unit ● Overview The machine uses the CCD to expose and read an image and the image is read on a line-by- line basis. CCD features 4 lines (R, G, B, B/W) and B/W line is used in B/W copy and R, G, B lines are LED (light source) used at color scan.
  • Page 18 Technology > Controls (Reader) F-2-6 Items Description Receives the reflected light that has gone through the lens and converts it into electric signal to output it. Lens Collects the light reflected by an original. LED(light Light source to expose an original to laser source) Mirror No.

  • Page 19: Enlargement/Reduction

    Technology > Controls (Reader) ■ Enlargement/Reduction ■ Detecting the Size of Originals ● Magnifications in Main Scanning Direction ● Overview In book mode/ADF mode The machine identifies the original size by the combination of measurement result of reflection An image is read at 100% in main scanning direction. Magnification variation and its data light from the reflection sensor and specific points of CCD.
  • Page 20 Technology > Controls (Reader) AB type 1. 2 points original detection at each detection position For each point of measurement in main scanning direction, the machine checks the presence/absence of an original with reference to the CCD output at 2 points near the point of measurement.
  • Page 21 Technology > Controls (Reader) 2. Priority on the front sensor ● Detection Operation Overview When checking the measurements for main scanning direction, if the absence of an original 1) Standby state (The following is in case that the AB type, A4R size is set.) is indicated at the rear while the presence of an original is indicated at the front, the machine CCD unit: shading position will give priority to the indication at the front.
  • Page 22 Technology > Controls (Reader) checks the reflection light (4 points). For sub scanning direction, original sensor Original sensor: OFF detects the size. (External light) F-2-16 F-2-13 25 deg F-2-14 4) ADF fully closed (5 deg or less) CCD unit: in original detection position LED: ON Original sensor: in original detection operation •...

  • Page 23: Dirt Sensor Control

    Technology > Controls (Reader) 2-10 ■ Dirt Sensor Control [Particulars of control] • At the end of a job (dust detection) ● Overview CCD checks the light reflected by the surface of the platen roller of the ADF at the read The machine changes the original read point or executes image correction depending on point to detect the presence/absence of dust.

  • Page 24: Image Processing

    Technology > Controls (Reader) 2-11 • Between sheets ■ Image Processing The machine does not move CCD. ● Overview It reads the original using the position determined at the end or start of a job; however, The functions of image processing system’s PCB are described below. if the presence of dust is still detected at the position, the machine will execute image •...
  • Page 25 Technology > Controls (Reader) 2-12 ● CCD Drive ● Shading Correction (Overview) The machine's CCD sensor is a 4-line linear image sensor consisting of 7500 pixels. After The output of the CCD is not necessarily even for the following factors even when the density completion of photoelectric conversion in the light-receiving block, the signals are output to of the original is uniform: the analog front end PCB unit on CCD PCB in parallel for each channel (Color scan: R, G, B...

  • Page 26: Color Offset Correction In Sub Scanning

    Technology > Controls (Reader) 2-13 ■ Color offset correction in sub scanning When R, G and B are not accurately synchronized in sub scanning, the color offset correction will be made so that RED and BLUE synchronize with GREEN by shifting RED and BLUE image within single pixel in the sub scanning direction.

  • Page 27: Servicing (Reader)

    Technology > Controls (Reader) > Servicing (Reader) > Troubleshooting 2-14 Servicing (Reader) ■ Periodically Replaced Parts None ■ Consumable Parts None ■ Periodical Servicing None ■ Action to take when replacing parts Part name Action CCD unit • Platen board cover white level automatic adjustment •...

  • Page 28: Basic Configuration (Dadf)

    Technology > Basic Configuration (DADF) > Drive Configuration 2-15 Basic Configuration (DADF) Drive Configuration Component Configuration ■ Outline of Electric Circuits Electric circuits of this machine are controlled by the main controller PCB2. The main controller PCB2 detect the input signals from sensors to output the signals that drive DC loads such as motors, solenoids, clutches, and fans at the predetermined timings.

  • Page 29: Sensor Layout

    Technology > Basic Configuration (DADF) > Outline of Operation Modes > Forward Pickup/Delivery Operation 2-16 ■ Sensor Layout ■ Forward Pickup/Delivery Operation • Simplex read operation (when two document sheets are placed) SR11 PS1/PS2 NOTE: This operation is performed for all single-sided documents irrespective of whether document widths are the same or different.

  • Page 30: Forward Pickup/Reverse Delivery Operation

    Technology > Basic Configuration (DADF) > Outline of Operation Modes > Forward Pickup/Reverse Delivery Operation 2-17 ■ Forward Pickup/Reverse Delivery Operation Duplex read operation (when two document sheets are placed) NOTE: This operation is performed for all double-sided documents irrespective of whether document widths are the same or different.
  • Page 31 Technology > Basic Configuration (DADF) > Outline of Operation Modes > Forward Pickup/Reverse Delivery Operation 2-18 Stop after feeding the first Removal of registration loop of End of reading of front side Start of separation of second document sheet to reversal reverse side of first document of second document sheet document sheet and pressurization...

  • Page 32: Controls (Dadf)

    Technology > Controls (DADF) > Document Detection > Outline 2-19 Controls (DADF) Document Detection ■ Outline This machine detects a document using either of the two methods depending on the print mode. Removal of idle reversal registration Start of reading of reverse •...

  • Page 33: Initial Document Size Detection

    Technology > Controls (DADF) > Document Detection > Initial Document Size Detection 2-20 ■ Initial Document Size Detection The following table shows the relationship among length detection sensor signals, document widths, and initial document sizes. The document length sensor 1 (SR7) and document length sensor 2 (SR10) detect the Document width detection Document length Detected size...

  • Page 34: Document Pickup/Separation

    Technology > Controls (DADF) > Document Pickup/Separation > Basic Pickup Operation 2-21 Document Pickup/Separation Feed The pickup/feed motor (M1) turns in the reverse direction to drive the registration clutch (CL2), ■ Basic Pickup Operation thus allowing the registration roller to feed the document. The read roller feeds the document to the read wait point.

  • Page 35: Pickup Unit And Stopper

    Technology > Controls (DADF) > Document Reversing > Basic Operation 2-22 Document Reversing ■ Pickup Unit and Stopper The pickup unit consists of a pickup roller and feed roller. ■ Basic Operation When the print start key is pressed or a document pickup signal is input, the pickup/feed motor (M1) turns in the reverse direction to lower the pickup unit via the pickup clutch (CL1), There are two types of document reversal operation: one that is performed from the top to the turning the pickup roller and feed roller to feed the document.

  • Page 36: Document Feeding/Delivery

    Technology > Controls (DADF) > Document Feeding/Delivery > Basic Operation 2-23 Document Feeding/Delivery Reversal/feed 1 When the trailing edge of the fed document moves past the delivery reversal sensor (SR3), ■ Basic Operation the pickup/feed motor stops. Immediately after this, the pickup/feed motor starts turning in the reverse direction to feed the document to the registration roller, then it stops.

  • Page 37: Release Operation

    Technology > Controls (DADF) > Detecting Jams > Jams 2-24 Detecting Jams ■ Release Operation When a document is read, the read roller 1 (lower driven rollers) are pressurized/released to ■ Jams prevent the training edge of the document from swaying. This machine detects document jams using the sensors shown below.

  • Page 38: Power Supply

    Technology > Controls (DADF) > Stamp Operation > Outline 2-25 Stamp Operation ACC ID JAM Code JAM Type Sensor Name Sensor ID 0003 DELAY Registration sensor ■ Outline 0004 STNRY Registration sensor 0005 DELAY Read sensor If the stamp function is selected in the FAX mode of the host machine, the stamp solenoid 0006 STNRY Read sensor...

  • Page 39: Fan

    Technology > Controls (DADF) > Fan > Fan Operation 2-26 ■ Fan Operation The fan (FM1) mounted on this machine always operates at full speed from the time ADF starts to feed paper until paper delivery is completed and exhausts the heat emitted by the ADF driver PCB and pickup/feed motor (M1).

  • Page 40: Work Of Service (Dadf)

    Technology > Work of service (DADF) > Periodic Servicing 2-27 Work of service (DADF) Periodic Servicing When the parts are reaching the expected service life, perform the parts replacement or When replacing the parts cleaning etc if needed. Item Part name Expected Operation This machine has the following adjustment items.

  • Page 41: Periodic Servicing

    Periodic Servicing ■ List of Work for Scheduled Servicing Periodic Servicing...
  • Page 42 Periodic Servicing > List of Work for Scheduled Servicing List of Work for Scheduled Servicing As for the user maintenance point as well, clean it at the time of the periodic maintenance. PR:Replacement (Periodically replaced parts) CR:Replacement (consumable parts) CL:Cleaning LU:Lubrication AD:Adjustment CH:Maintenance As of Nov 2011 Part name Part number...

  • Page 43: Parts Replacement And Cleaning Procedure

    Parts Replacement and Cleaning Points (DADF) Replacement ■ Clutch Solenoid Motor Fan PCB (DADF) and Cleaning Procedure ■ List of Parts(Reader) ■ External Covers(Reader) ■ Original Exposure System (Reader) ■ List of Parts (DADF) ■ External Covers (DADF) ■ Main Units (DADF) ■...

  • Page 44: External Covers

    Parts Replacement and Cleaning Procedure > List of Parts(Reader) > List of Electrical Components List of Parts(Reader) List of Electrical Components External Covers Reader rear cover ADF scan glass Reader front cover Reader left cover CCD unit Platen glass F-4-2 Name Part No.

  • Page 45: External Covers(Reader)

    Parts Replacement and Cleaning Procedure > External Covers(Reader) > Removing the Reader Rear Cover External Covers(Reader) Removing the Reader Right Cover 1) Remove the reader right cover. Removing the Reader Left Cover • 2 Screws 1) Remove the reader left cover. •...

  • Page 46: Original Exposure System (Reader)

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Platen Glass Original Exposure System (Reader) NOTE: When removing the platen glass, take care not to touch the following parts with your fingers: Removing the Platen Glass •...

  • Page 47: Removing The Adf Scan Glass

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the ADF Scan Glass Removing the ADF Scan Glass 2. Enter the service mode, and then select the following: (Lv.1) COPIER> FUNCTION> CCD> DF-WLVL1/2/3/4 (DF white level adjustment) <Procedure>...

  • Page 48: Removing The Ccd Unit

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the CCD Unit Read the white level in the DF mode (stream reading). (Check the transparency of the CAUTION: glass for stream reading.)(Read both sides of the chart.) •...
  • Page 49 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the CCD Unit CAUTION: 6) Loosen the screw, and then loosen the belt. • Do not touch the LED on the CCD unit. • Do not touch the board part so that there is influence on image. F-4-13 7) Remove the belt from the hook at the back of the CCD unit.
  • Page 50 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the CCD Unit <Processing after replacing the parts> COPIER> ADJUST> CCD> (Lv.1) MTF3-M1 (Lv.1) MTF3-M2 (Lv.1) MTF3-M3 NOTE: (Lv.1) MTF3-M4 The EEPROM on the CCD PCB memorizes the reader-related service mode. (Lv.1) MTF3-M5 The CCD unit of the service part is supplied in the state that adjustment value was...
  • Page 51 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the CCD Unit 2.If uploading of backup data fails before replacement 3) Enter the service mode, and then select the following: 1) Enter the value indicated on the platen glass in the following service mode: (Lv.1) COPIER>...

  • Page 52: Cleaning In The Ccd Unit (Mirror

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Cleaning in the CCD unit (Mirror No. 1 - 5) 4-10 Cleaning in the CCD unit (Mirror No. 1 - 5) 3) Clean mirror No. 1 - 4 with lint-free paper. 1) Remove the CCD unit.

  • Page 53: Removing The Reader Controller Pcb

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Reader Controller PCB 4-11 Removing the Reader Controller PCB 4-2) Dry-clean the mirror No. 5 with the cleaning tool. NOTE: The reader controller PCB does not memorize a reader-related service mode. Therefore the measures after replacing the PCB are not necessary.

  • Page 54: Removing The Reader Assembly

    Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Reader Assembly 4-12 Removing the Reader Assembly 10) Disconnect the connector of the reader. <Procedure> 1) Disconnect the ADF cable. 2) Remove the reader left cover. 3) Remove the reader right cover. 4) Remove the reader rear cover.
  • Page 55 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Reader Assembly 4-13 12) Attach the grounding plate (L/R). 13) Remove the 5 screws from the left side of the host machine. • 5 Screws F-4-28 Remove the 2 screws from the right side of the host machine. F-4-26 F-4-27 F-4-29...
  • Page 56 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Reader Assembly 4-14 15) Remove the reader assembly. F-4-30 4-14 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the Reader Assembly...

  • Page 57: List Of Parts (Dadf)

    Parts Replacement and Cleaning Procedure > List of Parts (DADF) > Consumable Parts Requiring Periodic Replacement and Cleaning Points 4-15 List of Parts (DADF) Consumable Parts Requiring Periodic Replacement and Cleaning Points External Covers Rear cover Feeder cover Front cover F-4-31 Part name Part number...

  • Page 58: List Of Clutchs, Solenoids, Motors, Fans, Pcbs

    Parts Replacement and Cleaning Procedure > List of Parts (DADF) > Others 4-16 List of Clutchs, Solenoids, Motors, Fans, PCBs Others PCB1 Right hinge Left hinge PCB3 Platen roller F-4-34 Part name Part number Reference F-4-33 Left hinge Refer to page 4-35 Part name Part number Reference...

  • Page 59: List Of Sensors

    Parts Replacement and Cleaning Procedure > List of Parts (DADF) > List of Sensors 4-17 List of Sensors SR10 SR11 F-4-35 Part name Part number Reference Registration sensor Refer to page 4-29 Read sensor Refer to page 4-29 Delivery reversal sensor Refer to page 4-29 Timing sensor Refer to page 4-32...

  • Page 60: External Covers (Dadf)

    Parts Replacement and Cleaning Procedure > External Covers (DADF) > Removing the Rear Cover 4-18 External Covers (DADF) 4) Detach the front cover. - Screw 2 pcs. Removing the Front Cover 1) Open the feeder cover. F-4-38 Removing the Rear Cover F-4-36 1) Open the feeder cover.

  • Page 61: Removing The Feeder Cover

    Parts Replacement and Cleaning Procedure > External Covers (DADF) > Removing the Feeder Cover 4-19 Removing the Feeder Cover 1) Open the feeder cover. 2) Open the DADF. 3) Detach the front cover."Removing the Front Cover"(page 4-18). 4) Close the DADF. 5) Remove the feeder cover.

  • Page 62: Main Units (Dadf)

    Parts Replacement and Cleaning Procedure > Main Units (DADF) > Removing the Feed Unit 4-20 Main Units (DADF) 6) Unload the cable harness from the cable guide. - Connector 3 pcs - Screw 1 pc Removing the Feed Unit CAUTION: When install DADF to a host machine after exchange work, adjustment of eight items is need.
  • Page 63 Parts Replacement and Cleaning Procedure > Main Units (DADF) > Removing the Feed Unit 4-21 10) Remove the ADF motor."Removing the ADF Motor(M1)"(page 4-25). 11) Remove the left hinge."Removing the left hinge"(page 4-35). 12) Remove the harness guide. - Connector 5 pcs. - Screw 1 pc.

  • Page 64: Consumable Parts Requiring Periodic Replacement And Cleaning Points (Dadf)

    Parts Replacement and Cleaning Procedure > Consumable Parts Requiring Periodic Replacement and Cleaning Points (DADF) > Removing the Pickup Roller Unit 4-22 Consumable Parts Requiring Periodic Replacement 3)Remove the pickup roller unit . - Resin ring , 2 pcs. and Cleaning Points (DADF) - Bearing , 2 pcs.

  • Page 65: Removing The Separation Pad

    Parts Replacement and Cleaning Procedure > Consumable Parts Requiring Periodic Replacement and Cleaning Points (DADF) > Replacing the Stamp 4-23 Removing the Separation Pad Replacing the Stamp 1)Open the feeder cover. CAUTION: If the stamp is floating, a jam can occur. Be sure to push in the stamp until it clicks. 1)Open the feeder cover and separation guide.

  • Page 66: Exchanging The Feed Guide

    Parts Replacement and Cleaning Procedure > Consumable Parts Requiring Periodic Replacement and Cleaning Points (DADF) > Exchanging the Feed Guide 4-24 Exchanging the Feed Guide 1) Open the DADF. 2) Remove the feed guide . -Screw , 2 pcs. F-4-53 3) Pell off the release paper of the new feed guide.

  • Page 67: Clutch Solenoid Motor Fan Pcb (Dadf)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Release Motor(M2) 4-25 Clutch Solenoid Motor Fan PCB (DADF) Removing the Release Motor(M2) 1) Open the feeder cover. Removing the ADF Motor(M1) 2) Open the DADF. 3) Detach the front cover."Removing the Front Cover"(page 4-18).

  • Page 68: Removing The Pressurization Solenoid(Sl1)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Pickup Clutch/Registration Clutch(CL1/CL2) 4-26 Removing the Pressurization Solenoid(SL1) Pickup Clutch/Registration Clutch(CL1/CL2) 1) Open the feeder cover. 1) Open the feeder cover. 2) Remove the rear cover."Removing the Rear Cover"(page 4-18). 2) Remove the rear cover."Removing the Rear Cover"(page 4-18).

  • Page 69: Removing The Adf Driver Pcb

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the ADF Driver PCB 4-27 Removing the ADF Driver PCB 4) Remove the clutch - Resin ring 1 pc 1) Open the feeder cover. - Bearing 1 pc 2) Remove the rear cover."Removing the Rear Cover"(page 4-18).

  • Page 70: Removing The Led Pcb

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Fan 4-28 Removing the LED PCB Removing the Fan 1) Open the feeder cover. 1) Open the feeder cover. 2) Open the DADF. 2) Remove the rear cover."Removing the Rear Cover"(page 4-18).

  • Page 71: Removing The Sensor(Sr1,Sr2,Sr3)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Sensor(SR1,SR2,SR3) 4-29 Removing the Sensor(SR1,SR2,SR3) 4) Remove the resin ring, pulley, gear, E-ring, and bearing. 1) Remove the feed unit."Removing the Feed Unit"(page 4-20). 2) Remove the metal plate - Screw 3 pcs.
  • Page 72 Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Sensor(SR1,SR2,SR3) 4-30 6) While pushing the hook in the direction of the arrow, remove the platen roller unit in the 7) Detach the cover direction of the arrow. - Screw 2 pcs.
  • Page 73 Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Sensor(SR1,SR2,SR3) 4-31 8) Remove the read roller 2 9) Remove the sensor mount - Resin ring 1 pc. - Hook 2 pcs. - Pulley 1 pc. - Screw 2 pcs.

  • Page 74: Removing The Timing Sensor(Sr4)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Cover Open/Closed Sensor(SR6) 4-32 Removing the Timing Sensor(SR4) Removing the Cover Open/Closed Sensor(SR6) 1) Open the feeder cover. 1) Open the feeder cover. 2) Remove the rear cover."Removing the Rear Cover"(page 4-18).

  • Page 75: Removing The Document Length Sensor(Sr7,Sr10)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the A4R/LTRR Identification Sensor(SR8) 4-33 Removing the Document Length Sensor(SR7,SR10) Removing the A4R/LTRR Identification Sensor(SR8) 1) Detach the cover on the reverse side of the document tray. 1) Detach the cover on the reverse side of the document tray.(Refer to page 4-33) - Screw 3 pcs.

  • Page 76: Removing The Release Motor Hp Sensor(Sr11)

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Document Width Volume(VR1) 4-34 Removing the Release Motor HP Sensor(SR11) Removing the Document Width Volume(VR1) 1) Open the feeder cover. 1) Detach the cover on the reverse side of the document tray.(Refer to page 4-33) 2) Open the DADF.

  • Page 77: Removing The Hinge

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the hinge > Removing the Right hinge 4-35 Removing the hinge ■ Removing the Right hinge ■ Removing the left hinge CAUTION: When install DADF to a host machine after exchange work, adjustment of eight items is CAUTION: need.

  • Page 78: Removing The Platen Roller

    Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Platen roller 4-36 Removing the Platen roller 4) Remove the resin ring, pulley, gear, E-ring, and bearing. CAUTION: When install DADF to a host machine after exchange work, adjustment of eight items is need.
  • Page 79 Parts Replacement and Cleaning Procedure > Clutch Solenoid Motor Fan PCB (DADF) > Removing the Platen roller 4-37 6) While pushing the hook in the direction of the arrow, remove the platen roller unit in the 7) Remove the Platen roller. direction of the arrow.

  • Page 80: Adjustment

    Adjustment ■ Overview (Reader) ■ When replacing parts (Reader) ■ Overview (DADF) ■ Adjustment Method (DADF) Adjustment...

  • Page 81: When Replacing Parts (Reader)

    Adjustment > When replacing parts (Reader) Overview (Reader) When replacing parts (Reader) In this chapter, measures of adjustment when replacing parts in servicing operation are ■ Platen Glass mentioned. <Procedure> "Removing the Platen Glass"(page 4-4). Actions at Parts Replacement Reference Reader Platen Glass Refer to page 5-2...

  • Page 82: Adf Scan Glass

    Adjustment > When replacing parts (Reader) (Lv.1) COPIER> FUNCTION> CCD> DF-WLVL3 ■ CCD Unit Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK <Preparation> mode.) 1) Backup of the Service Mode data 4) Place a sheet of paper that the user usually uses on the DF, enter the following (Lv.2) COPIER>...
  • Page 83 Adjustment > When replacing parts (Reader) 2.If uploading of backup data fails before replacement COPIER> ADJUST> ADJ-XY> (Lv.1) ADJ-X (Lv.1) ADJ-Y 1) Enter the value indicated on the platen glass in the following service mode: (Lv.1) ADJ-S (Lv.1) COPIER> ADJUST> CCD> W-PLT-X/Y/Z (Input of standard white plate data) (Lv.1) ADJ-X-MG (Lv.1)
  • Page 84 Adjustment > When replacing parts (Reader) 3) Enter the service mode, and then select the following: (Lv.1) COPIER> FUNCTION> INSTALL> STRD-POS CCD (stream reading position adjustment) 4) Adjust tray width. Perform either AB system or Inch system. a. AB system adjustment 1) Adjust the slide guide to the index "A4/A3".

  • Page 85: Overview (Dadf)

    Adjustment > Overview (DADF) > Outline Overview (DADF) Outline This machine has the following adjustment items. Carry out each adjustment after replacing the relevant parts. Adjustment type Parts to Remarks Reference replace Adjusting the Height of the hinget Hinge Refer to page 5-7 Adj of DADF Tray width During installation only Refer to page 5-10...

  • Page 86: Adjustment Method (Dadf)

    Adjustment > Adjustment Method (DADF) > Adjusting the Height of the hinge > Adjustment Procedure Adjustment Method (DADF) Adjusting the Height of the hinge ■ Pre-check Preparation or Creation of Test Chart Check whether the front and rear document glass spacers provided under the bottom of the Prepare a test chart.

  • Page 87: Check The Height Of The Left Hinge

    Adjustment > Adjustment Method (DADF) > Adjusting the Height of the hinge > Check the height of the right hinge ■ Check the height of the left hinge 3) Checking the front-left height of the DADF. Set paper against the protrusions of the stream reading glass in such a manner that the 1) Checking the rear-left height of the DADF.

  • Page 88: Adjust The Height Of The Left Hinge

    Adjustment > Adjustment Method (DADF) > Adjusting the Height of the hinge > Adjust the height of the right hinge ■ Adjust the height of the left hinge ■ Adjust the height of the right hinge Adjust the height with the left hinge height adjusting screw. If the height is improper, adjust it with the right hinge adjusting screw.

  • Page 89: Adj Of Dadf Tray Width

    Adjustment > Adjustment Method (DADF) > Adjusting the Perpendicularity 5-10 Adj of DADF Tray width Adjusting the Perpendicularity Load a test chart in the DADF to make a copy. NOTE: The result of this adjustment is retained on the reader controller PCB. NOTE: As such, unlike previous DADFs, you will need to make this adjustment at time of The test chart is printed on the back cover of the Installation Procedure (this manual).

  • Page 90: Scan Position Auto Adj In Dadf Mode

    Adjustment > Adjustment Method (DADF) > Scan position auto adj in DADF mode 5-11 Scan position auto adj in DADF mode Loosen the screw securing the right hinge. 1) Start service mode. 2) On the Service Mode screen, touch the following notations in sequence to bring up the Adjustment screen: (LV.1) COPIER >...

  • Page 91: Adj Img Pstn In Dadf Mode:horz Scan

    Adjustment > Adjustment Method (DADF) > Adj of DADF img lead edge margin: front 5-12 Adj img pstn in DADF mode:horz scan Adj of DADF img lead edge margin: front 1) Place the test chart in the DADF, and make a copy. 1) Place the Test Chart in the DADF, and make a copy.

  • Page 92: Fine Adj Of Dadf Image Magnifictn: Front

    Adjustment > Adjustment Method (DADF) > White level adj 5-13 Fine adj of DADF image magnifictn: front White level adj 1) Place the Test Chart in the ADF, and make a copy. Refer to the output as copy A. NOTE: 2) Compare Test Chart and copy A in terms of the length of the image in feed direction;...
  • Page 93 Adjustment > Adjustment Method (DADF) > White level adj 5-14 12) Remove the paper from the copyboard glass, and place it on the original tray of the DADF. 13) Press [DF-WLVL4] on the touch panel to highlight. 14) Press [OK]. - The machine executes auto adjustment (duplex stream reading).

  • Page 94: Installation

    Installation ■ How to Utilize This Installation Procedure ■ Caution During Installation ■ Check Items when Turning OFF the Main Power ■ Checking the Contents ■ Installation Procedure Installation...

  • Page 95: How To Utilize This Installation Procedure

    Installation > Check Items when Turning OFF the Main Power How to Utilize This Installation Procedure Caution During Installation When using the parts included in the package CAUTION: A symbol is described on the illustration in the case of using the parts included in the package •...

  • Page 96: Checking The Contents

    Installation > Checking the Contents Checking the Contents Open the container box and check that none of the included parts is missing. [1] Reader Unit [2] Reader Left Cover : 1 pc. [3] Reader Right Cover : 1 pc. F-6-3 F-6-4 F-6-5 [4] Grounging Plate (L/R) : 1 pc.
  • Page 97 Installation > Checking the Contents [12] Finger Pinch Caution Label 2 :1 sheet. [13] Hinge Cover : 2 pcs. Installation > Checking the Contents...

  • Page 98: Installation Procedure

    Installation > Installation Procedure > Installation Procedure Installation Procedure 3) Take out the cable of the printer outward. Installation Procedure 1) Remove the reader unit. CAUTION: Do not hold the position of the figure so that the reader small cover comes off. F-6-14 4) Remove the rear cover.
  • Page 99 Installation > Installation Procedure > Installation Procedure 5) Remove the controller cover. 6) Attach the reader unit on the host machine. NOTE: Set the left stay with the bosses aligned. Put the left stay of the host machine in the inside of the reader rear cover. CAUTION: Be careful to prevent your finger from being caught in the left stay of the host machine when attaching the reader on the host machine.
  • Page 100 Installation > Installation Procedure > Installation Procedure 7) Fix the left stay while lifting the front side to attach the reader horizontally. 8) Fix the 2 reader fixing plates. • 4 Screws (Binding, M4×6) • 2 Screws (Binding, M4×6) CAUTION: Fix the left stay with the bosses aligned.
  • Page 101 Installation > Installation Procedure > Installation Procedure 11) Remove the reader rear cover. 13) Remove 2 fixing screws of the CCD unit. • 4 Screws NOTE: As the fixing screws of the CCD unit will be needed when moving the machine,be sure to keep them.
  • Page 102 Installation > Installation Procedure > Installation Procedure 15) Attach the grounding plate (R). 16) Connect the flexible cable. • 3 Screws (TP, M3×6) • 2 Connectors CAUTION: Put the gasket of the grounding plate (R) in the frame. F-6-26 17) Connect the connector of the reader to the connector of the host machine. •...
  • Page 103 Installation > Installation Procedure > Installation Procedure 6-10 18) Remove the reader front cover. 20) Do it through the cales in the hole of the operation panel fixing plate . • 2 Screws • 1 Claw F-6-30 21) Fix the operation panel fixing plate . F-6-28 •...
  • Page 104 Installation > Installation Procedure > Installation Procedure 6-11 22) Route the cables as shown in the figure. 24) Attach the operation panel. • 1 Wire saddles • 2 Screws (RS-tight, M3×8) removed at the step 19) • 1 Edge saddle •...
  • Page 105 Installation > Installation Procedure > Installation Procedure 6-12 27) Attach the reader right cover. 28) Attach the reader left cover. • 2 Screws (RS-tight, M3×8) • 2 Screws (RS-tight, M3×8) • 3 Claws • 3 Claws NOTE: NOTE: Put three claws of the cover on hooks of the reader unit. Put three claws of the cover on hooks of the reader unit.
  • Page 106 Installation > Installation Procedure > Installation Procedure 6-13 30) Affix the included copy inhibition label (written in your language) on the same label 33) Affix the included finger pinch caution label 1 (written in your language). already pasted, as needed. F-6-40 F-6-38 34) Attach the 2 hinge covers.
  • Page 107 • Rear cover (4 Screws (RS-tight, M3×8) )(Tighten the screws in the following order: upper left, lower left, upper right, and then lower right.) 37) Follow the this installation procedure to install the "Image Reader Unit-H1", and then install from the "Installing the Toner Cartridge".
  • Page 108 Appendix ■ Service Tools ■ General Circuit Diagram(Reader) ■ Signal Name List (DADF) ■ General Circuit Diagram (DADF)

  • Page 109: Appendix Service Tools

    Appendix > Service Tools Service Tools ■ Special Tools In addition to the standard tools set, the following special tools are required when servicing the machine: Tool name Tool No. Rank (*) Shape Uses Mirror cleaning FL2-9842 Used for cleaning the mirror in the tool CCD unit.

  • Page 110: General Circuit Diagram(Reader)

    General Circuit Diagram(Reader) General Circuit Diagram (1/1) To ADF J570 UN14 J570A J570B J570C Main Controller PCB 2 J8133 Reader Heater (Option) COR1 MT21 3.3V CCD Unit HP Sensor HP SENS 3.3V Copyboard Cover Open/Closed Sensor 1 J502 J509 J505 CVR SENS S1 3.3V Copyboard Cover Open/Closed Sensor 2...

  • Page 111: General Circuit Diagram (Dadf)

    General Circuit Diagram (DADF) General Circuit Diagram (1/1) Pickup Registration Release motor clutch clutch ADF Fan ADF motor Pressurization Delivery reversal Registration Document set solenoid Cover open/closed sensor sensor sensor sensor Read sensor Timing sensor J89H J112 J101 J102 J103 J104 J105 J106...
  • Page 112 Appendix > Signal Name List (DADF) Signal Name List (DADF) Jack No. Pin No. Abbreviated Signal Name Signal Name ■ Signal Name List RKMOT HP Release motor HP sensor signal Jack No. Pin No. Abbreviated Signal Name Signal Name STMP SOL Stamp solenoid signal REG_SEN Registration sensor signal...

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