Canon imageRUNNER 5075 Series Service Manual
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Canon imageRUNNER 5075 Series Service Manual

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SERVICE
MANUAL
COPYRIGHT 2006 CANON INC.
DADF For
imageRUNNER
5075 Series
DU7-1214-000
FEBRUARY 2007
REV. 0
CANON DADF for imageRUNNER 5075 Series REV. 0 PRINTED IN U.S.A.

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  • Page 1 DADF For imageRUNNER 5075 Series SERVICE MANUAL DU7-1214-000 FEBRUARY 2007 REV. 0 COPYRIGHT 2006 CANON INC. CANON DADF for imageRUNNER 5075 Series REV. 0 PRINTED IN U.S.A.
  • Page 2 This manual may contain technical inaccuracies or typographical errors due to improvements or changes in products. 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: Symbols Used

    Introduction Symbols Used This documentation uses the following symbols to indicate special information: Symbol Description Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning. Indicates an item requiring care to avoid electric shocks. Indicates an item requiring care to avoid combustion (fire). Indicates an item prohibiting disassembly to avoid electric shocks or problems.
  • Page 4 Introduction The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between elec- trical and mechanical systems with reference to the timing of operation. In the diagrams, represents the path of mechanical drive; where a signal name accompanies the symbol, the arrow indicates the direction of the electric signal.

  • Page 5: Table Of Contents

    Contents Contents Chapter 1 Specifications 1.1 Product Specifications..................1-1 1.1.1 Specifications......................1-1 1.2 Names of Parts....................1-3 1.2.1 External View......................1-3 1.2.2 Cross Section ......................1-4 1.3 Using the Machine .................... 1-5 1.3.1 Original Placement Indicator ..................1-5 1.3.2 Warning and Action to Take ..................1-5 Chapter 2 Functions 2.1 Basic Construction ....................
  • Page 6 Contents 3.2 External Covers....................3-2 3.2.1 Reversal Guide ......................3-2 3.2.2 Front Cover ........................ 3-3 3.2.3 Rear Cover ......................... 3-3 3.2.4 Rear Lower Cover ..................... 3-3 3.2.5 Lower Left Cover ....................... 3-4 3.2.6 Feeder Cover ......................3-4 3.2.7 Guide ........................... 3-5 3.2.8 Inside Cover (Upper) ....................
  • Page 7 Contents 3.5.3 ADF Controller PCB ....................3-34 3.5.4 Document Width Volume ..................3-34 3.5.5 Solenoid ........................3-37 3.5.6 ADF Driver PCB .......................3-37 3.5.7 Separation Sensor ....................3-38 3.5.8 Read Sensor ......................3-38 3.5.9 Delivery Reversal Sensor ..................3-39 Chapter 4 Maintenance 4.1 User Maintenance ..................... 4-1 4.1.1 Cleaning........................
  • Page 8 Contents 4.4 Troubleshooting ....................4-21 4.4.1 Malfunction ....................... 4-21 4.4.1.1 Malfunction/Faulty Detection .................... 4-21 4.5 Outline of Electrical Components ..............4-22 4.5.1 Sensors........................4-22 4.5.2 Motor, Clutch, Solenoid, PCB, etc................ 4-23 4.5.3 Connector ......................... 4-26 4.6 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB 4-28 4.6.1 Overview........................

  • Page 9: Chapter 1 Specifications

    Chapter 1 SPECIFICATIONS...
  • Page 10 Contents Contents 1.1 Product Specifications..................1-1 1.1.1 Specifications......................1-1 1.2 Names of Parts....................1-3 1.2.1 External View......................1-3 1.2.2 Cross Section ......................1-4 1.3 Using the Machine .................... 1-5 1.3.1 Original Placement Indicator ..................1-5 1.3.2 Warning and Action to Take ..................1-5...

  • Page 11: Product Specifications

    Chapter 1 1.1 Product Specifications 1.1.1 Specifications 0015-6809 T-1-1 Item Specifications Remarks Document pickup Auto pickup-delivery method method Document type Sheet document / book document Document weight BW document (1-sided sheet document): As for a document exceeding AB series 42~ 128g/m2 432 mm, feed a 1-sided sheet: INCHseries 50~ 128g/m2 60 to 90 g/m2...
  • Page 12 Chapter 1 Item Specifications Remarks Document tray L size/S size *2: 100-sheet capacity (Under the condition of 80 g/m2 and below) As for a document exceeding 80 g/m2, weight conversion. Height of bend document: 10 mm and below As for a document exceeding 432 mm, set one sheet at a time Document mix Mixture of the same series...

  • Page 13: Names Of Parts

    Chapter 1 Item Specifications Remarks Usage According to the connected equipment environment Temperature range Humidity range *1: Set the extra long mode with the service mode. Select COPIER > OPTION > USER > MF-LG-ST, and set to 1. (Default: 0) *2: The paper size specification is as follow: L size: A3, LDR S size: A4, LTR...

  • Page 14: Cross Section

    Chapter 1 1.2.2 Cross Section 0015-6815 [13] [12] [11] [10] F-1-2 [1] No. 2 registration roller [2] Reversing roller [3] No. 1 registration roller [4] Feed roller [5] Pickup roller [6] Delivery roller [7] Read roller 3 [8] Platen roller 2 [9] Read roller 2 [10] Platen roller 1 [11] Read roller 1...

  • Page 15: Using The Machine

    Chapter 1 1.3 Using the Machine 1.3.1 Original Placement Indicator 0015-6816 The original placement indicator goes on when an original is placed in the original tray, and it flashes to indicate the presence of a jam. Original placement indication F-1-3 1.3.2 Warning and Action to Take 0015-6820 If the original placement indicator starts to flash while an original is being moved, suspect a jam, and go through...

  • Page 16: Chapter 2 Functions

    Chapter 2 FUNCTIONS...
  • Page 17 Contents Contents 2.1 Basic Construction .................... 2-1 2.1.1 Overview of the Electrical Circuit................2-1 2.2 Basic Operation ....................2-2 2.2.1 Drive Communication Diagram................2-2 2.2.2 Both-sided reading..................... 2-4 2.2.3 Outline of operation modes ..................2-5 2.3 Document Detection ..................2-7 2.3.1 Overview........................

  • Page 18: Basic Construction

    Chapter 2 2.1 Basic Construction 2.1.1 Overview of the Electrical Circuit 0015-6823 The machine uses the DADF controller PCB to control. This PCB possesses CPU (IC401). CPU reads the signals inputted at a sensor etc. or the signal from the host machine and in response, drives the loads such as motor or solenoid etc.

  • Page 19: Basic Operation

    Chapter 2 2.2 Basic Operation 2.2.1 Drive Communication Diagram 0015-6831 This is the feeding equipment exclusively for stream reading. The equipment possesses 6 motors, 1 clutch and 1 solenoid as a drive load. In addition, this equipment carries the original (back side) reading unit (CIS unit). T-2-1 Name (Symbol) Roll...
  • Page 20 Chapter 2 The following is a drive diagram of the equipment. DADF [2] [3] [4] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] PCB2 PI12 CIS unit PCB3 PCB4 PI11 F-2-2 [1] Read motor drive signal [2] Separation motor drive signal [3] Primary read sensor signal (READ_S) [4] CIS glass shift motor drive signal [5] Secondary registration motor drive signal...

  • Page 21: Both-Sided Reading

    Chapter 2 2.2.2 Both-sided reading 0016-0940 A CIS unit is installed in the machine. Therefore, both-sided simultaneous reading can be selected in addition to the conventional reversal both-sided reading. In the reversal both-sided reading, the document is reversed in the machine and the CCD unit installed in the reader assembly reads its both sides.

  • Page 22: Outline Of Operation Modes

    Chapter 2 2.2.3 Outline of operation modes 0016-0941 The machine executes the following 4 types of operation mode, executing individual modes according to the instructions from the host machine for printing. The following table shows these operation modes, outlines of the modes, and corresponding printing modes: T-2-3 Operation...

  • Page 23: Operation

    Chapter 2 Operation Outline of operation Corresponding printing Both-sided reading method mode mode 3. Idle feed/ Both-sided Executes idle feed to identify double-sided original of reversal pickup/ reversal the document size. Reads its different configurations(Both- reversal delivery reading first side with the CCD unit sided reversal reading)- after the idle feed.

  • Page 24: Document Detection

    Chapter 2 2.3 Document Detection 2.3.1 Overview 0015-6853 The machine possesses the following 2 modes of operation to suit different printing modes: a. normal mode (other than mix of different configurations or extra-length) T-2-4 Item Description Sensor used (notation) Presence/absence checks the presence/absence of an original in the original original of original...

  • Page 25: Checking The Presence/Absence Of An Original

    Chapter 2 2.3.2 Checking the Presence/Absence of an Original 0015-6856 The machine uses the original detection sensor (PI5) to check the presence/absence of an original in the original tray. When an original is placed on the tray, the detecting lever operates in conjunction with the light-blocking plate, during which the light-blocking plate blocks the light of the photo interrupter.

  • Page 26: Document Size Detection

    Chapter 2 2.3.3 Document size detection 0016-0942 A. Normal Printing The machine identifies the size of an original with reference to combinations of the size (width, length) detected on the original tray and the size (length) detected while the original is being moved. a.
  • Page 27 Chapter 2 b. Detecting the Size of the Original in Width Direction The width of an original is detected using the original width detecting volume (VR) found inside the original tray. The volume operates in conjunction with the slide guide, its resistance changing (analog) as the slide is moved.
  • Page 28 Chapter 2 T-2-6 Marking on slide Slide guide stop position guide positioning roll Side with 1 Slide with 2 groove grooves LTRR INCH LTRR LTRR F-2-8 2-11...
  • Page 29 Chapter 2 B. Mix of Different Configurations, Extra-Length The document width volume (VR) and the size sensor 1 to 4 (P17 to 10) detect each size. See the following chart for details. PI10 DADF controller PCB F-2-9 AB-Configuration T-2-7 Document Size Size Size...
  • Page 30 Chapter 2 Document Size Size Size Detected Size Document width length width volume width width width size sensor 3 detection results (VR) sensor 1 sensor 2 sensor 4 AB series (PI9) (detected from the (PI7) (PI8) (PI10) No. 2 registration motor drive signal) Length>/=193 B5-R...
  • Page 31 Chapter 2 Document length detection Detected Size width (detected from the size AB sensor 3 Document Size width Size width Size width No. 2 registration (PI9) series sensor 4 width volume sensor 1 sensor 2 motor drive results (VR) (PI7) (PI8) (PI10) signal)

  • Page 32: Overview Of Cis (Contact Image Sensor)

    Chapter 2 2.3.4 Overview of CIS (contact image sensor) 0016-0928 The CIS (contact image sensor) is used for document exposure and reading, where image reading is executed by one image, one line. T-2-11 Components Function [1] Xenon lamp Light source delivered to the document [2] Rod lens array Lets in the reflected light from the document [3] CCD array...

  • Page 33: Analog Process Inside The Cis

    Chapter 2 2.3.5 Analog process inside the CIS 0016-0929 The contact image sensor (CIS) performs the analog image process in the following flow. The rod lens array lets in the reflected light from the document. The CCD array receives the light. ->...

  • Page 34: Detecting Jams

    Chapter 2 2.4 Detecting Jams 2.4.1 JAM 0015-6875 The machine checks for an original jam using the sensors shown in the figure. The timing at which a check is made is programmed in the ROM on the DADF controller PCB, and the presence/absence of a jam is identified in terms of whether there is paper over a particular sensor.

  • Page 35: Power Supply

    Chapter 2 2.5 Power Supply 2.5.1 Power supply 0015-6877 The following is a diagram of the power supply system of the machine. The machine receives the 2 systems (24V, 13V) of power supply from the reader unit. 24V is mainly used by the motor, clutch and solenoid. Four kinds of voltage (12V, 5V, 3.3V, 1.8V) are generated from the system 13V via the four DC converter circuits (DC-DC converter circuits 1 to 4).

  • Page 36: Stamp Operation

    Chapter 2 2.6 Stamp Operation 2.6.1 Overview 0015-6879 When the host machine is in fax mode and its stamp function is selected, the machine will put a stamp in response to a command from the DADF Contoroller PCB to indicate that the original in question has been read or transmitted.

  • Page 37: Chapter 3 Parts Replacement Procedure

    Chapter 3 PARTS REPLACEMENT PROCEDURE...
  • Page 38 Contents Contents 3.1 Removing from the Host Machine ..............3-1 3.1.1 Feeder ..........................3-1 3.2 External Covers ....................3-2 3.2.1 Reversal Guide ......................3-2 3.2.2 Front Cover .........................3-3 3.2.3 Rear Cover ........................3-3 3.2.4 Rear Lower Cover ......................3-3 3.2.5 Lower Left Cover ......................3-4 3.2.6 Feeder Cover ......................3-4 3.2.7 Guide ..........................3-5 3.2.8 Inside Cover (Upper) ....................3-7...
  • Page 39 Contents 3.4.17 Delivery Roll ......................3-27 3.4.18 Feed Roller Guide ....................3-28 3.4.19 Open/Close Guide Sheet ..................3-28 3.4.20 Duct-Collection Sheet ................... 3-29 3.5 Electrical System ..................... 3-30 3.5.1 CIS Unit ........................3-30 3.5.2 Fan ..........................3-31 3.5.3 ADF Controller PCB ....................3-34 3.5.4 Document Width Volume ..................

  • Page 40: Removing From The Host Machine

    Chapter 3 5) Disconnect the connector [1] of the ADF power Removing from the Host Machine supply cable from the host machine. 3.1.1 Feeder 3.1.1.1 DADF 0015-6880 1) Turn off the power switch [1] on the control panel. 2) Turn off the main power switch [2]. 3) Disconnect the power cable from the power outlet [3].

  • Page 41: External Covers

    Chapter 3 7) Move the equipment in the direction of the arrow [A] and move up in the direction of the arrow [B] to detach. - 3 rollet screws [1] F-3-7 3) Remove the harness from the wire clip [1] and remove the reversing guide.

  • Page 42: Front Cover

    Chapter 3 3.2.2 Front Cover 4) Detach the front cover [1]. - 1 self-tapping screw [2] - 1 TS screw [3] 3.2.2.1 Detaching the Front Cover 0015-6882 1) Open the feeder cover [1] in the direction of the arrow. F-3-12 3.2.3 Rear Cover 3.2.3.1 Detaching Rear Cover F-3-9...

  • Page 43: Lower Left Cover

    Chapter 3 3.2.6 Feeder Cover 3.2.6.1 Before Detaching the Feeder Cover 0015-6885 (page Detach front cover. 3)Reference[Detaching the Front Cover] 3.2.6.2 Detaching the Feeder Cover 0015-6886 1) Open the feeder cover [1] in the direction of the arrow and remove 1 E-ring [2]. F-3-14 3.2.5 Lower Left Cover 3.2.5.1 Before Detaching the Lower Left...

  • Page 44: Guide

    Chapter 3 3.2.7 Guide 4) Detach the feeder cover [1] in the direction of the arrow. 3.2.7.1 Before Removing the Harness Guide (the front side) 0015-9496 (page Detach front cover. 3)Reference[Detaching the Front Cover] 3.2.7.2 Removing the Harness Guide (the front side) 0015-9497 1) Remove the harness guide [1].
  • Page 45 Chapter 3 3.2.7.4 Removing the Harness Guide (the 3.2.7.6 Removing the Flat Cable Guide rear side) 0016-1687 1) Remove the ADF driver PCB unit [1]. - 7 connectors [2] 0015-9499 1) Remove the harness guide [1]. - 3 bind screws [3] - 2 bind screws [2] F-3-22 2) Disconnect the harness from the wire saddle [1]...

  • Page 46: Inside Cover (Upper)

    Chapter 3 3.2.8 Inside Cover (Upper) 3) Detach the ADF controller PCB cover [1]. - 6 bind screws [2] 3.2.8.1 Detaching the Inside Cover 0015-7060 1) Open the feeder cover. 2) Detach the inside cover [1]. - 2 TP screws [2] F-3-24 4) Disconnect the flat cable [1] and open the flat cable guide [2] in the direction of the arrow.
  • Page 47 Chapter 3 2) Pull the lever [1], and open the white sheet support guide [2] in the direction of the arrow. F-3-29 F-3-28 1. Do not touch the glass surface when attaching/detaching the CIS glass. Be careful that the opening/closing area [1] of the white sheet support plate (external) is not contact with the copyboard glass [2].

  • Page 48: Drive System

    Chapter 3 2) Remove the CIS glass motor assembly Unit [1]. 3. Replace the CIS unit simultaneously with the CIS - 1 connector [2] glass. Enter each correction value of the included - 3 bind screws [3] service parts by the service mode. The following are the detailed procedure.
  • Page 49 Chapter 3 6)Reference[Removing the Flat Cable Guide] 3.3.2.2 Removing the Read Motor 0015-9514 1) Remove the read motor cooler fan unit. - 1 bind screw [2] F-3-35 F-3-33 Follow the steps above when detaching the read 2) Loosen the 2 screws [1], and move the read motor roller unit.

  • Page 50: Pickup Motor

    Chapter 3 When mounting the read motor, make the belt [2] When mounting, make the belt teeth engage in the teeth engage in the pulley [1] at the motor end. pulley. F-3-37 F-3-39 3.3.3 Pickup Motor 3.3.4 Engaging Motor 3.3.3.1 Before Removing the Pickup Motor 3.3.4.1 Before Removing the Engaging Motor 0015-6887...

  • Page 51: Horizontal Registration Motor

    Chapter 3 2) Remove the unlock motor [1]. 2) Remove the second registration motor [1]. - 2 bind screws [2] - 2 bind screws [2] F-3-41 3.3.5 Horizontal Registration Motor 3.3.5.1 Before Removing the Second F-3-43 Registration Motor 0015-9500 (page Detach rear cover.

  • Page 52: Delivery Reversal Motor

    Chapter 3 3.3.6 Delivery Reversal Motor 3.3.6.1 Before Removing the Delivery Reversal Motor 0015-6893 (page Detach rear cover. 3)Reference[Detaching Rear Cover] 2) Detach the rear lower cover. (page 3- 3)Reference[Detaching Rear Lower Cover] 3) Detach the flat cable guide. (page 3- 6)Reference[Removing the Flat Cable Guide] 4) Detach the harness guide (the rear side).

  • Page 53: Document Feeding System

    Chapter 3 3.4.2 Pickup Roller / Feed Roller 3.4.2.1 Before Removing Pickup Roller/ Feed Roller Make sure the leading edge joint mounted on the shaft of the pick-up roller unit before mounting the motor unit. 0015-7062 (page Detach inside cover. 7)Reference[Detaching the Inside Cover] 2) Remove the pickup roller unit.

  • Page 54: Separation Plate/Separation Pad

    Chapter 3 2) Remove the feed roller [1]. 3.4.3 Separation Plate/Separation 3.4.3.1 Before Removing the Separation Plate/Separation Pad 0015-7063 Detach inside cover. (page 7)Reference[Detaching the Inside Cover] 2) Remove the pickup roller unit. (page 3- 14)Reference[Removing the Pickup Roller Unit] F-3-51 3.4.3.2 Removing the Separation Plate/ 3) Remove the pickup roller [1].

  • Page 55: 1 Registration Roller Roll

    Chapter 3 3.4.3.3 Adjusting the Separation Pressure 0015-6918 MEMO: This adjustment is required when double feeding and the likes occur. T-3-1 Pressure adjusting Separation roll pressure Side A Side B high 1) Reverse the face of the pressure adjusting roller [1] (from face A to face B) and reattach to the spring.

  • Page 56: 1 Registration Roller

    Chapter 3 2) Remove the 1 No.1 registration roller roll (large) [1] and 2 No.1 registration roller rolls (small) [2]. - 2 E-rings for each [3] F-3-60 3.4.6 No.2 Registration Roller Roll F-3-59 3.4.6.1 Before Removing the No.2 3.4.5 No.1 Registration Roller Registration Roller Roll 3.4.5.1 Before Removing the No.1 0015-7071...

  • Page 57: 2 Registration Roller

    Chapter 3 2) Remove the 5 No.2 registration roller rolls. - 2 E-rings for each [2] F-3-63 F-3-62 3.4.8 Read Roller 1 3.4.7 No.2 Registration Roller 3.4.8.1 Before Removing the Read Roller 3.4.7.1 Before Removing the No.2 Registration Roller 0015-8970 Detach front cover.

  • Page 58: Read Roller 3

    Chapter 3 3.4.8.2 Removing the Read Roller 1 0015-6962 1) Remove the plate with bushing [1], remove the spring [2] and remove the read roller 1 [3]. F-3-65 2) Release the spring pressure [1]. F-3-64 3.4.9 Read Roller 3 3.4.9.1 Before Removing the Read Roller 0015-9519 (page Detach...

  • Page 59: Platen Roller

    Chapter 3 3.4.10 Platen Roller 4) Remove the back belt [1], the E ring [2], the pulley [3] and the bearing [4]. 3.4.10.1 Before Removing the Platen Roller 1 0015-8959 1) Detach the platen roller roll downstream unit. (page 3-24)Reference[Removing the Platen Roller Roll Downstream Unit] 3.4.10.2 Removing the Platen Roller 1 0015-8961...

  • Page 60: Platen Roller 2

    Chapter 3 3.4.11 Platen Roller 2 2) Remove the platen roller 2 [1]. - 1 E ring [2] - 1 bushing [3] 3.4.11.1 Before removing the Platen Roller - 2 bearing [4] 0015-9521 (page Detach front cover. 3)Reference[Detaching the Front Cover] Remove feeder cover.
  • Page 61 Chapter 3 3.4.12.2 Removing the Platen Roller Roll 3) Remove the front belt [1], 2 E rings [2], the pulley [3] and the bushing [4]. Upstream unit 0015-8972 1) Remove the back E ring [1] inside of the front. F-3-73 2) Move the spring [1] to the direction of the arrow to release the pressure.
  • Page 62 Chapter 3 5) Open the equipment and remove the plate [1] 11)Reference[Removing the Engaging Motor] holding platen roll upstream unit. 9) Detach the flat cable guide. (page 3- - 1 TP screw [2] 6)Reference[Removing the Flat Cable Guide] 10) Remove the read motor unit. (page 3- 10)Reference[Removing the Read Motor] 11) Detach the Platen roller roll downstream unit.

  • Page 63: Platen Roller Roll Downstream

    Chapter 3 3.4.13 Platen Roller Roll Downstream 3.4.13.2 Before Removing the Platen Roller Roll Downstream 3.4.13.1 Removing the Platen Roller Roll Downstream Unit 0015-9013 1) Detach the Platen roller roll downstream unit. (page 3-24)Reference[Removing the Platen Roller Roll Downstream Unit] 0015-9008 1) Open the host machine and remove the platen roller roll downstream unit [1] in the direction of...
  • Page 64 Chapter 3 3.4.14.2 Removing the Reversing Roller 3) Remove the reversing guide plate [1] - 2 bind screws[2] 0015-6994 1) Remove 2 feeding guides [1]. - 1 stepped screw [2] - 1 TP screw [3] F-3-84 4) Remove the reversing roller[1]. F-3-82 - 2 E rings [2] 2) Remove the open/close guide [1] from [A] to [B]...

  • Page 65: Reversion Roller Roll

    Chapter 3 3.4.15 Reversion Roller Roll rear side)] 3.4.16.2 Removing the Delivery Roller Unit 3.4.15.1 Remove the Reversing Roller Roll 0015-9060 1) Remove the harness from 2 cable clamps [1] and 0015-6995 1) Open the feeder cover [1] and the open/close remove the harness clamp.

  • Page 66: Delivery Roll

    Chapter 3 3.4.16.3 Before Removing the Delivery 3) Remove 2 E rings [1], 1 gear [2] and 2 bushings [3]. Roller 0015-9063 Detach rear cover. (page 3)Reference[Detaching Rear Cover] 2) Detach the rear lower cover. (page 3- 3)Reference[Detaching Rear Lower Cover] 3) Detach the flat cable guide.

  • Page 67: Feed Roller Guide

    Chapter 3 8) Detach the No.1 registration roller. (page 3- - 1 TP screw [3] 17)Reference[Removing the No.1 Registration - 1 connector [4] Roller] 9) Detach the delivery feeding guide. (page 3- 28)Reference[Removing the Delivery Feeding Guide] 3.4.17.2 Removing the Delivery Roll 0015-9510 1) Remove the delivery roll [1].

  • Page 68: Duct-Collection Sheet

    Chapter 3 3.4.20 Duct-Collection Sheet 3.4.19.2 Removing the Open/Close Guide 3.4.20.1 Before Removing the Duct- 0015-9503 1) Remove the 2 feeding guides [1]. - 1 stepped screw [2] Collection Sheet - 1 TP screw [3] 0015-9175 (page Detach front cover. 3)Reference[Detaching the Front Cover] Remove feeder...

  • Page 69: Electrical System

    Chapter 3 3.5 Electrical System T-3-2 3.5.1 CIS Unit 1. This unit is easier to install after pulling 3.5.1.1 Before Remove the CIS Unit out the connector [1] of the cable from the opening 0015-9185 Detach front cover. (page [2]. 3)Reference[Detaching the Front Cover] Detach glass.

  • Page 70: Fan

    Chapter 3 3. Replace the CIS glass simultaneously with the CIS unit. Enter each correction value of the included service parts by the service mode. The following are the detailed procedure. 1) Replace the CIS unit and the CIS glass. 2) Enter each correction value described on the included label by the service mode.
  • Page 71 Chapter 3 3.5.2.3 Before Removing the CIS Unit 3) Remove the CIS unit cooling fan (front) [1]. - 1 connector [2] Cooling Fan (front) - 2 binding screws [3] 0015-9194 Detach front cover. (page 3)Reference[Detaching the Front Cover] Remove feeder cover.
  • Page 72 Chapter 3 2) Remove the feed guide [1]. 4) Remove the CIS cooling unit fan (rear) [1]. - 3 stepped screw [2] - 2 screw [2] - 1 bind screw [3] - 1 connector [3] F-3-106 3) Disconnect the connector [1] of the CIS unit and F-3-108 remove the 3 edge saddles [2].

  • Page 73: Adf Controller Pcb

    Chapter 3 3.5.3.3 Procedure of Replacing the ADF Controller PCB 0016-0322 1) In a service mode, input the correcting values described on the service label found at the backside of the front cover. - COPIER>ADJUST>CCD>DFCH-G2 - COPIER>ADJUST>CCD>DFCH-G10 - COPIER>ADJUST>CCD>MTF-M1 - COPIER>ADJUST>CCD>MTF-M2 - COPIER>ADJUST>CCD>MTF-M3 - COPIER>ADJUST>CCD>MTF-S1 2) Select: COPIER>FUNCTION>MTF-CLC...
  • Page 74 Chapter 3 3.5.4.4 Adjusting the Side Guide Plate 2) Detach the document width volume [3], - 3 connectors [1] (slide guide) Position - 2 screws [2] 0015-7004 MEMO: Adjust the position of the side guide plate on the ADF original pickup tray, if the margin is not within the standard value after adjusting in the service mode of the host machine.
  • Page 75 Chapter 3 Paper used in step 2) Feed direction Test Chart Paper used in step 2) F-3-116 3) Loosen the screw [1] and remove the screw [2] Feed from the positioning hole side, and then tighten it direction temporarily with the adjusting long hole [3]. In case of A >...

  • Page 76: Solenoid

    Chapter 3 3.5.5 Solenoid 3.5.5.1 Before Removing the Engaging 3.5.5.3 Before Removing the Engaging Solenoid Unit Solenoid 0015-9218 (page Detach front cover. 0015-9222 Detach front cover. (page 3)Reference[Detaching the Front Cover] 3)Reference[Detaching the Front Cover] 2) Remove the engaging solenoid unit. (page 3- 3.5.5.2 Removing the Engaging Solenoid 37)Reference[Removing the Engaging Solenoid Unit...

  • Page 77: Separation Sensor

    Chapter 3 Sensor adjustment must be done after replacing the sensor plate. 3.5.8 Read Sensor 3.5.8.1 Before removing the Read Sensor 0015-7213 Detach front cover. (page 3)Reference[Detaching the Front Cover] (page Detach feeder cover. 4)Reference[Detaching the Feeder Cover] Detach read guide.

  • Page 78: Delivery Reversal Sensor

    Chapter 3 3.5.9 Delivery Reversal Sensor 3.5.9.1 Before Removing the Delivery Reversal Sensor 0015-9237 (page Detach front cover. 3)Reference[Detaching the Front Cover] Detach rear cover. (page 3)Reference[Detaching Rear Cover] 3) Detach the rear lower cover. (page 3- 3)Reference[Detaching Rear Lower Cover] 4) Detach the flat cable guide.

  • Page 79: Chapter 4 Maintenance

    Chapter 4 MAINTENANCE...
  • Page 80 Contents Contents 4.1 User Maintenance ..................... 4-1 4.1.1 Cleaning........................4-1 4.1.2 Replacement....................... 4-2 4.2 Maintenance and Inspection ................4-3 4.2.1 Periodically Replaced Parts ..................4-3 4.2.1.1 Periodically Replaced Parts....................4-3 4.2.2 Durables ........................4-3 4.2.2.1 Durables..........................4-3 4.2.3 Periodical Servicing ....................4-4 4.2.3.1 Scheduled Servicing Chart ....................4-4 4.2.4 Cleaning ........................4-5 4.2.4.1 Rollers ............................
  • Page 81 Contents 4.5.3 Connector ......................... 4-26 4.6 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB 4-28 4.6.1 Overview........................4-28 4.6.2 DADF Controller PCB..................... 4-28 4.6.3 Original Placement led PCB .................. 4-28...

  • Page 82: User Maintenance

    Chapter 4 4.1 User Maintenance 4.1.1 Cleaning 0015-7018 Advise the user to clean the following parts as necessary or every 10,000 prints without fail. T-4-1 Parts Method Intervals Remarks Copyboard glass (large) Wipe it with a Reader unit parts cloth moistened Copyboard glass (small) -This is the obverse platen As necessary...

  • Page 83: Replacement

    Chapter 4 4.1.2 Replacement 0015-7019 1. Replacing the Stamp 1) Open the feeder cover and the open/close guide. 2) Open the reversing flapper. 3) Using tweezers, fit the new stamp in place. Make sure that the printing side faces upward. F-4-2 Be sure to push in the stamp until a click is felt.

  • Page 84: Maintenance And Inspection

    Chapter 4 4.2 Maintenance and Inspection 4.2.1 Periodically Replaced Parts 4.2.1.1 Periodically Replaced Parts 0015-7020 The machine does not have parts that must be replaced on a periodical basis. 4.2.2 Durables 4.2.2.1 Durables 0015-7021 Some parts of the machine may have to be replaced once or more over the period of product life because of wear or damage.

  • Page 85: Periodical Servicing

    Chapter 4 Expected service life shows the central value of a group of evaluation data points. Parts Numbers may subject to change because of design. 4.2.3 Periodical Servicing 4.2.3.1 Scheduled Servicing Chart 0015-7022 Do not use solvents or oils other than those indicated. Be sure to clean the rollers and scrapers, as the presence of paper lint or dust on them can cause lines in images.

  • Page 86: Cleaning

    Chapter 4 [10] [11] [13] [12] F-4-4 4.2.4 Cleaning 4.2.4.1 Rollers 0015-9595 1. No. 1 registration roll, No. 2 registration roll, registration rear roll, registration rear roller, No. 2 registration roller 1) Perform the following procedure for cleaning the No. 1 registration roll [1], the No. 2 registration roll [2], the registration rear roll [3], the registration rear roller [4], the No.
  • Page 87 Chapter 4 F-4-7 4. Read roller 1 1) Detach the front cover and the feeder cover. 2) Detach the feeder guide and the read roller guide. 3) Clean the Read roller 1 [1] with a lint-free paper moistened with alcohol, etc. F-4-5 2.
  • Page 88 Chapter 4 F-4-11 F-4-9 8. Second-surface platen roller 1) Open the ADF and the white sheet support plate 6. Read roll, roll scraper (external). 1) Open the ADF and detach the lower left cover. 2) Open the white sheet plate (inside) [1]. 2) Clean the read roll [1] and the roll scraper [2] with 3) Clean the second-surface platen roller [2] with a a lint-free paper moistened with alcohol, etc.

  • Page 89: Guides

    Chapter 4 2. Delivery feeding guide, open/close guide (back) 1) Open the feeder cover and the open/close guide [2]. 2) Clean the back of the delivery feeding guide [1] and the open/close guide [2] with a lint-free paper moistened with alcohol, etc. F-4-13 4.2.4.2 Guides 0015-9611...

  • Page 90: Sensors

    Chapter 4 4. Delivery upper guide 2. Read Sensor, Prism 1) Open the feeder cover and the open/close guide. 1) Detach the feeder cover. 2) Clean the front and back of the delivery upper 2) Detach the feed guide. guide [1] with a lint-free paper moistened with 3) Detach the read roller guide.

  • Page 91: Adjustment

    Chapter 4 4.3 Adjustment 3. Separation Read Sensor, Prism 1) Open the feed cover. 2) Detach the inside cover. 4.3.1 Basic Adjustment 3) Detach the post-separation sensor. 4) Clean the post-separation sensor (hole) [1] using 4.3.1.1 Overview an air blower brush and the prism [2] using a cotton swab.

  • Page 92: Sensor Output

    Chapter 4 again. Check to be sure that there is no paper inside the ADF before starting the adjustments. 2) Make the following selections to highlight [SENS-IN]; FEEDER>FUNCTION>SENS-INT 3) Press the OK key. In response, the machine will run an automatic adjustment session, and will indicate 'OK!' if it ends normally.

  • Page 93: Eliminating The Tilt

    Chapter 4 7) Press the OK key to register the LTRR width. 8) Press the Reset key twice to end service mode. 9) Turn off the host machine's control panel power switch and main power switch in sequence. 10) Turn on the host machine's main power switch. 4.3.1.5 Eliminating the Tilt 0015-7031 Be sure you have adjusted the angle of the ADF...

  • Page 94: Right Angle

    Chapter 4 4.3.1.7 Right Angle 0015-7033 The following steps adjust the relationship between the machine's original feed direction and the host machine's scanner system: 1. In the case of single-side and both-side (the first surface) reading 1) Place the Test Chart in the machine, and make a copy.

  • Page 95: Registration Roller Skew Adjustment

    Chapter 4 F-4-30 6) Tighten the adjusting screw. 7) Attach the front cover. 4.3.1.8 Registration Roller Skew Adjustment F-4-28 0015-7034 Be sure to execute this adjustment after the 3) Detach the front cover. squareness adjustment. 4) Loosen the adjusting screw [1]. A.

  • Page 96: Angle Guide (Angle Of Opening Of 70 Deg)

    Chapter 4 B. Procedure of Registration Roller Skew In the case of A<B Adjustment Slide the plate down to adjust. B-1. 1 Face (Front Side) Adjustment 2) Tighten the screw fixed temporally before after 1) Remove the screw [1] and tighten it into the screw adjusting.

  • Page 97: Magnification

    Chapter 4 4.3.1.10 Magnification 5) Start service mode as follows: press the User Mode key, press the 2 and 8 keys at the same time, and press the User Mode key once again. 0015-7036 Be aware that there are 2 types of the reproduction Make following selections:...

  • Page 98: Horizontal Registration

    Chapter 4 standard: a </= 1 mm <If Cop A Is Shorter> Copy A Feed 10mm 10mm direction Right angle F-4-39 Copy B 2) Place the Test Chart in the original pickup tray, <If Copy A Is Longer> and make a single-side copy. Copy A 3) Put the Test Chart over the output of step 2), and check to see that the following is true...

  • Page 99: Leading Edge Registration

    Chapter 4 (range: -30 to 30) 4) Start service mode as follows: press the User 6) Make a copy of the Test Chart once again, and Mode key, press the 2 and 8 keys at the same time, check to see that the image is as indicated. and press the User Mode key once again.
  • Page 100 Chapter 4 10mm 10mm Right angle F-4-45 2) Place the Text Chart in the original tray, and make a backside copy in both-side reading. 3) Check to see that dimension A of the Test Chart and the image obtained in step 2) are as indicated: A </= 1 mm B </= 1 mm If not, go to step 4).

  • Page 101: White Level

    Chapter 4 (unit: 0.5 mm) (range: -30- to 10; -5 to +5 mm) 6) Make a copy of the Test Chart once again, and see the image is as indicated. 4.3.1.13 White Level 0015-7039 1) Place A4 or LTRR paper on the copyboard glass, and close the machine.

  • Page 102: Procedure Of Replacing The Adf Controller Pcb

    Chapter 4 4.4 Troubleshooting given for basic adjustments. If you have replaced the reader controller PCB (or initialized EEPROM), see the descriptions given 4.4.1 Malfunction under "After Replacing the Reader Controller PCB" on the host machine service manual. 4.4.1.1 Malfunction/Faulty Detection 4.4.1.1.1 The pre-installed stamp unit does not 4.3.2.2 Procedure of Replacing the ADF work...

  • Page 103: Outline Of Electrical Components

    Chapter 4 4.5 Outline of Electrical Components 4.5.1 Sensors 0015-7042 T-4-4 Symbol Name Roll Parts Number Registration sensor Detect an original (front) reading timing WG8-5593 Separation HP sensor Detect the pressure/release status in separation motor WG8-5593 LTR-R/LGL sensor Identify a document as LGL or LTR WG8-5593 A4/LTR detecting sensor Identify a document as AB series or INCH series...

  • Page 104: Motor, Clutch, Solenoid, Pcb, Etc

    Chapter 4 PI12 PI10 PI13 PI11 F-4-48 4.5.2 Motor, Clutch, Solenoid, PCB, etc. 0015-7043 T-4-6 Symbol Name Roll Parts No. Pickup motor Drive picking up operation FK2-0204-000 Read motor Drive feeding operation FK2-0205-000 Feeding/reversing motor Drive the feeding reversing roller, the FK2-3714-000 reversing roller Separation motor...
  • Page 105 Chapter 4 Symbol Name Roll Parts No. PCB6 Inverter PCB FK2-3723-000 PCB7 ADF Driver PCB Control the motors in relevant with ADF FM3-0371-000 Original width volume Detect the width of an original FM2-1024-000 T-4-7 Symbol I/O > FEEDER PART-CHK JAM/E code Connector No.
  • Page 106 Chapter 4 F-4-49 PCB1 PCB7 PCB2 PCB5 PCB6 PCB4 PCB3 F-4-50 4-25...

  • Page 107: Connector

    Chapter 4 4.5.3 Connector 0016-0032 J413 J412 J700 J701 J834 J734 J733 J835 J832 J732 J731 J720 J715 J702 J1010 J710 J820 J958 J833 J810 J800 J305 J408 J407 J411 J409 J410 J403 J2051 J2052 J201 J2050 J1401 J2053 J202 J100 J203 J111...
  • Page 108 Chapter 4 J404 J201 J214 J2142 J2140 J2143 J2141 J212 J216 J211 J215 J213 J2151 J215 J2131 J2130 F-4-52 4-27...

  • Page 109: Variable Resistors (Vr), Light-Emitting Diodes (Led), And Check Pins By Pcb

    Chapter 4 4.6 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB 4.6.1 Overview 0015-7044 Of the LEDs and check pins used in the machine, those needed for servicing the machine in the field are discussed. Do not touch the check pins not indicated in the list. They are intended for use at the factory, and require special tools and high accuracy.

  • Page 110: Chapter 5 Error Code

    Chapter 5 ERROR CODE...
  • Page 111 Contents Contents 5.1 Overview....................... 5-1 5.1.1 Overview........................5-1 5.2 Service Error Code....................5-2 5.2.1 Error Code ........................5-2 5.3 Jam Codes ......................5-3 5.3.1 Jam Codes........................5-3 5.4 Alam Code ......................5-5 5.4.1 Alarm Code........................5-5...

  • Page 112: Overview

    Chapter 5 5.1 Overview 5.1.1 Overview 0015-7054 The CPU of the machine's ADF controller PCB is equipped with a function to monitor the state of the machine, flashing the Original Placement indicator when it finds a fault in the course of a check it runs as programmed. The machine communicates the presence of a fault to its host machine in the form of a code, which is any of the following 3 types;...

  • Page 113: Service Error Code

    Chapter 5 5.2 Service Error Code 5.2.1 Error Code 0016-0841 T-5-2 Code Detail code Item Description E400 A fault has been detected in the communication with th ADF driver PCB. Cause: there is an open circuit; there is a fault in the DC controller PCB. 0001 Check sum error The check sum value of the data received from the ADF driver PCB fails to match 14 times continuously.

  • Page 114: Jam Codes

    Chapter 5 5.3 Jam Codes 5.3.1 Jam Codes 0015-7544 T-5-3 Code Sensor Type Sensor No. Description Post-separation sensor: PCB2 The post-separation sensor does not detect paper when non arrival the paper has been moved 452 (45.2 mm x 10) mm after the start of separation.
  • Page 115 Chapter 5 Code Sensor Type Sensor No. Description Secondary registration PI12 - The secondary registration sensor does not go on sensor: non arrival although paper is fed 4 times the interval between the primary registration roller and the secondary registration sensor (82.2 x 4 mm) after re-pickup from the primary registration roller in case of pickup from the tray with the simplexing pickup.

  • Page 116: Alam Code

    Chapter 5 Code Sensor Type Sensor No. Description User DF open The ADF has been opened while in operation (paper wait). DF cover open The cover has been opened while in operation (the drive system in operation). User cover open The cover has been opened while in operation (paper wait).

  • Page 117: Appendix Signal Names

    APPENDIX Appendix Signal Names.........................1 General Circuit Diagrams..................2-4...
  • Page 118 1 General Circuit Diagram Signal Names Signals and Abbreviations The following is a list of signals and its abbreviations used in this chapter and circuit diagrams. MEMO: The abbreviations in parentheses are electrical signals but are analog, which cannot be expressed in terms of '1' or '0'. Others are digital signals, which can be expressed in terms of '1' and '0'. T-1-1 Brevity code Name of signal...
  • Page 119 General Circuit Diagram General Circuit Diagram 1/3 J305C +24V +13V +13V HH_S RCON_DATA_OUT RCON_DATA_IN RCON_CLK RCON_LOAD READ_S 2R_S RES_S 2RES_S K_MOT_CLK HH_MOT_CLK RE_MOT_CLK 2R_MOT_CLK PCB1 DADF Controller PCB COVER_SH SGND SGND RES_S EMP_S SGND EMP_LED SGND BNG_S BNG_S_LED LG_S SGND SGND A4LT_S HH_S...
  • Page 120 General Circuit Diagram 2/3 2R_S READ_S_LED SGND RE_HP_S CIS_FAN_ALARM2 +24R SGND SGND CIS_FAN_ALARM3 +24R 2R_S SGND RE_HP_S SGND SGND SGND READ_S READ_S READ_S_LED SGND CIS_FAN_ALARM2 +24R SGND CIS_FAN_ALARM3 +24R PCB1 DADF Controller PCB SIZ4_S SIZ3_S SIZE4_S SIZE4_S SIZE3_S SIZE3_S SIZ2_S SIZE2_S SIZE2_S SIZ1_S...
  • Page 121 General Circuit Diagram 3/3 PCB1 DADF Controller PCB J403WH J403B J403A J201B J201A J201WH PCB7 Driver PCB J215 J211 J213 J214 J216L J212 J2140D 9 10 J2140LH J2140L J215D J2151D J2130D J2131D J215DH J2151DH J2130DH J2131DH J2143D J2142D J2141D J215L J2151L J2130L J2131L...

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