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Canon DADF-N1 Service Manual

Imagerunner ir2270; imagerunner ir2870; imagerunner ir3570; imagerunner ir4570
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SERVICE
MANUAL
COPYRIGHT 2004 CANON INC.
imageRUNNER
iR2270/2870/
3570/4570
DADF-N1
DU7-1128-000
SEPT. 2004
REV. 0
CANON imageRUNNER DADF-N1 REV. 0 PRINTED IN U.S.A.

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  Summary of Contents for Canon DADF-N1

  • Page 1 3570/4570 DADF-N1 SERVICE MANUAL DU7-1128-000 SEPT. 2004 REV. 0 COPYRIGHT 2004 CANON INC. CANON imageRUNNER DADF-N1 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 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 electrical 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 ......................1-4 1.2.1 External View ..................... 1-4 1.2.2 Cross Section....................... 1-5 1.3 Using the Machine ..................... 1-6 1.3.1 Original Placement Indicator ................1-6 1.3.2 Warning and Action to Take................
  • Page 6 Contents 2.3.7 Original Size Final Identification..............2-24 2.4 Document Pickup/Separation................... 2-27 2.4.1 Basic Operation....................2-27 2.4.2 Pickup Roller and the Stopper................2-30 2.4.3 Timing of Pickup ....................2-32 2.4.4 Controlling the Pickup Motor (M2) ..............2-32 2.5 Document Reversing....................2-34 2.5.1 Basic Operation....................
  • Page 7 Contents 3.3.2.2 Removing the Feed Motor................3-6 3.3.2.3 Mounting the Feed Motor ................3-6 3.3.3 Timing Belt/Pulley ....................3-7 3.3.3.1 Removing the Rear Cover ................3-7 3.3.3.2 Removing the Front Cover................3-8 3.3.3.3 Removing the Feeder Cover................. 3-8 3.3.3.4 Removing the Pickup Motor ................ 3-9 3.3.3.5 Removing the Pickup Clutch................
  • Page 8 Contents 3.4.5.6 Removing the Reinforcing Plate ..............3-24 3.4.5.7 Removing the Feed Motor................3-25 3.4.5.8 Detaching the Timing Belt and the Pulley ..........3-25 3.4.5.9 Removing the Feeder Unit ................. 3-27 3.4.5.10 Removing the Upper Delivery Reversing Roller ........3-28 3.4.5.11 Removing the Platen Guide L ..............
  • Page 9 Contents 3.4.8.8 Detaching the Timing Belt and the Pulley ..........3-51 3.4.8.9 Removing the Feeder Unit ................. 3-53 3.4.8.10 Removing the Read Roller 2 ..............3-54 3.4.9 Platen Roller ...................... 3-54 3.4.9.1 Removing the Rear Cover ................3-54 3.4.9.2 Removing the Front Cover................. 3-55 3.4.9.3 Removing the Feeder Cover...............
  • Page 10 Contents 3.5.2 Inner Sensor of Feed Unit .................3-74 3.5.2.1 Removing the Rear Cover ................3-74 3.5.2.2 Removing the Front Cover ................. 3-74 3.5.2.3 Removing the Feeder Cover............... 3-75 3.5.2.4 Removing the Pickup Motor ..............3-75 3.5.2.5 Removing the Pickup Clutch..............3-75 3.5.2.6 Removing the Reinforcing Plate ..............
  • Page 11 Contents 4.2.2 Durables ......................4-4 4.2.2.1 Durables ....................... 4-4 4.2.3 Periodical Servicing .................... 4-5 4.2.3.1 Scheduled Servicing..................4-5 4.2.4 Cleaning ......................4-8 4.2.4.1 ADF Components..................4-8 4.2.4.2 Rollers and Guides ..................4-8 4.2.4.3 Applying Silicone Oil to the Reading Glass (copyboard glass)....4-12 4.3 Adjustment.......................
  • Page 12: Chapter 1 Specifications

      Chapter 1 Specifications...
  • Page 13 Contents Contents 1.1 Product Specifications................1-1 1.1.1 Specifications ..................1-1 1.2 Names of Parts ...................1-4 1.2.1 External View..................1-4 1.2.2 Cross Section..................1-5 1.3 Using the Machine ..................1-6 1.3.1 Original Placement Indicator ..............1-6 1.3.2 Warning and Action to Take ...............1-6...
  • Page 14: Product Specifications

    Chapter 1 1.1 Product Specifications 1.1.1 Specifications 0006-2222 T-1-1 Item Description Remarks Method of original pickup auto pickup/delivery Placement of original face-up Point of original reference center Method of original top separation separation single-sided sheet if longer than 432 mm, AB-configuration: 42 to 128 g/m2 single-sided, Type of original...
  • Page 15 Chapter 1   Item Description Remarks 50 sheets (of 80 g/m2 pap if in excess of 80 g/m2, conversion Original tray capacity applies if folded, 10 mm or less if 42 g/m2, 10 sheets Method of reading stream reading Original processing mode single-sided original processing, double- sided original processing Identification of original...
  • Page 16 Chapter 1 Item Description Remarks Communication with host serial machine Power supply 24 VDC (power) Supplied by host 13 VDC (logic) machine. Weight 8.5 kg (approx.) Dimensions 565 (W) x 538 (D) x 122 (H) mm A-configuration KCDxxxxx Inch/A-configuration KCCxxxx Serial number AB-configuration KCBxxxxx...
  • Page 17: Names Of Parts

    Chapter 1   1.2 Names of Parts 1.2.1 External View 0006-2225 F-1-1 T-1-2 [1] Feeder cover [4] Original pickup tray [2] Rear cover [5] Front cover [3] Slide guide [6] Original delivery assembly...
  • Page 18: Cross Section

    Chapter 1 1.2.2 Cross Section 0006-2226 [1] [2] [3] [4] [5] [6] [13] [16] [15] [14] [12] [11] [10] F-1-2 [1] Registration roller lower) [2] Registration roller (upper) [3] Separation roller [4] Separation pad [5] Separation plate [6] Pickup roller [7] Original pickup tray [8] Delivery reversing roller (upper) [9] Delivery reversing roller (lower) [10] Reading roller 2 spacer [11] Reading roller 2...
  • Page 19: Using The Machine

    Chapter 1   1.3 Using the Machine 1.3.1 Original Placement Indicator 0006-2227 The Original Placement indicator goes on when an original is placed in the original tray, and flashes in response to an original jam. Original Placement indicator F-1-3 1.3.2 Warning and Action to Take 0006-2228 If the Original Placement indicator start to flash while an original is being moved, suspect a jam, and go through the following steps:...
  • Page 20: Chapter 2 Functions

      Chapter 2 Functions...
  • Page 21 Contents Contents 2.1 Basic Construction ..................2-1 2.1.1 Outline of the Electrical Circuitry............2-1 2.1.2 Inputs to the ADF Controller PCB............2-2 2.1.3 Output for the ADF Controller PCB ...........2-3 2.2 Basic Operation..................2-4 2.2.1 Transmission of Drive.................2-4 2.2.2 Outline of the Operation Mode ............2-6 2.2.3 Normal Rotation Pickup/Delivery (single-sided ........2-6 2.2.4 Normal Rotation Pickup/Reversal Delivery ........2-8 2.2.5 Idle Feed/Pickup/Delivery (double-sided originals ......2-10...
  • Page 22 Contents 2.7.1 Jams....................2-40 2.8 Power Supply ................... 2-42 2.8.1 Power Supply ..................2-42 2.9 Stamp Operation ..................2-43 2.9.1 Outline....................2-43...
  • Page 23: Basic Construction

    Chapter 2 2.1 Basic Construction 2.1.1 Outline of the Electrical Circuitry 0006-2231 The machine's electrical mechanisms are controlled by its reader controller PCB. The CPU of the reader unit interprets signals from the sensors and the devices connected to it, and generates signals used to drive such DC loads as motors and solenoids.
  • Page 24: Inputs To The Adf Controller Pcb

    Chapter 2   2.1.2 Inputs to the ADF Controller PCB 0006-2232 Inputs to the ADF Controller PCB (1/1) ADF controller PCB J302F J13T Registration if paper is present, '0'. REGS paper sensor J303F Read READS if paper is present, '1'. sensor J304F Delivery...
  • Page 25: Output For The Adf Controller Pcb

    Chapter 2 2.1.3 Output for the ADF Controller PCB 0006-2233 Output from the ADF Controller PCB (1/1) ADF controller PCB +24V Locking solenoid L_SOL when '0', SL2 goes on +24V Stamping solenoid S_SOL when '0', SL1 goes on +24V Pickup clutch 6 CLU when '1', CL1 goes on +24V...
  • Page 26: Basic Operation

    Chapter 2   2.2 Basic Operation 2.2.1 Transmission of Drive 0006-2247 The machine is designed exclusively for stream reading, and uses 2 motors for picking up and moving originals. T-2-1 Item (notation) Description Feed motor (M1) moves originals. Pickup motor (M2) separates/moves paper.
  • Page 27 Chapter 2 F-2-4 [1] ADF controller PCB [2] Original detection signal [3] Original detection signal [4] Pickup clutch drive signal [5] Pickup motor drive signal [6] Original detection signal [7] Stamping solenoid drive signal [8] Original placement signal [9] Feed motor drive signal [10] Locking solenoid drive signal [11] Last original detection signal [12] Paper size signal 1...
  • Page 28: Outline Of The Operation Mode

    Chapter 2   2.2.2 Outline of the Operation Mode 0006-2248 The machine operates in either of 4 modes, executing each in response to the instructions from its host machine to generate output. For specifics of each of these modes, see the table and the charts that follow.
  • Page 29 Chapter 2 This operation is also performed when originals with the same width and different lengths are copied at the 100% scaling ratio. Original Delivery Pickup Job end Arching Standby for reading Reading F-2-5...
  • Page 30: Normal Rotation Pickup/Reversal Delivery (Double-Sided Original -> Doubles-Sided Print)

    Chapter 2   2.2.4 Normal Rotation Pickup/Reversal Delivery (double-sided original -> doubles-sided print) 0006-2250 The original moves as follows: Original Feeding Pickup Reversal Arching Arching Standby for reading Standby for reading Reading To next page F-2-6...
  • Page 31 Chapter 2 Feeding Reading of back Feeding Idle feeding Reversal Double-speed delivery Feeding Job end F-2-7...
  • Page 32: Idle Feed/Pickup/Delivery (Double-Sided Originals Of Mixed Sizes -> Double-Sided Print)

    Chapter 2   2.2.5 Idle Feed/Pickup/Delivery (double-sided originals of mixed sizes -> double-sided print) 0006-2251 The originals move as follows: Original Reversal Pickup Arching Arching Feeding Feeding Idle feeding Idle feeding To next page F-2-8 2-10...
  • Page 33 Chapter 2 Re-pickup from Feeding reversing assembly Reversal Arching Standby for Arching reading Reading of face Standby for reading To next page F-2-9 2-11...
  • Page 34 Chapter 2   Feeding Reading of back Feeding Idle feeding Reversal Double-speed delivery Feeding End of job F-2-10 2-12...
  • Page 35: Idle Feeding/Reversal Pickup/Delivery (Single-Sided Originals Of Mixed Sizes -> Single-Sided Prints)

    Chapter 2 2.2.6 Idle Feeding/Reversal Pickup/Delivery (single- sided originals of mixed sizes -> single-sided prints) 0006-2252 The original moves as follows: MEMO This operation is not performed but the "normal rotation feeding/delivery" operation is performed in the following mode: - Same-width mixed-length/100% scaling ratio 2-13...
  • Page 36 Chapter 2   Original Pickup Arching Idle feeding Feeding Feeding 2 Feeding Re-pickup from Reversal reversing assembly To next page F-2-11 2-14...
  • Page 37 Chapter 2 Arching Job end Standby for reading Reading of face Delivery F-2-12 2-15...
  • Page 38: Document Detection

    Chapter 2   2.3 Document Detection 2.3.1 Outline 0006-2253 The machine detects the presence/absence of an original in either of the following 2 ways depending on the selected print mode: -normal printing (other than mixed-size printing and extra-length printing) -mixed-size printing, extra-length printing a.Normal Printing (other than mixed-size printing and extra-length printing) In normal printing, the machine uses the following 4 original detention mechanisms: T-2-3...
  • Page 39: Detecting The Presence/Absence Of An Original

    Chapter 2 T-2-4 Item Description Sensor (notation) original detection checks the presence/absence of original payment sensor (PI9) an original in the original pickup tray. Last original detection checks to see if the original last original sensor (I8) being moved is the last original of the stack.
  • Page 40: Detecting The Last Original

    Chapter 2   ADF controller PCB Detecting lever Original F-2-13 2.3.3 Detecting the Last Original 0006-2255 The machine uses the last original sensor (PI8) and the original placement sensor (PI9) to find out if the original that has been picked up is the last of the stack of originals in the original tray.
  • Page 41: Original Size Initial Identification (Feed Direction)

    Chapter 2 ADF controller PCB Detecting lever Original F-2-14 2.3.4 Original Size Initial Identification (feed direction) 0006-2257 In original size initial identification (feed direction), the machine uses the length sensor 1 (PI6) and the length sensor 2 (PI7) to find out the length of the original placed in the original tray in feed direction.
  • Page 42: Original Size Initial Identification (Cross-Feed Direction)

    Chapter 2   ADF controller PCB Original Detecting lever Detecting lever F-2-15 2.3.5 Original Size Initial Identification (cross-feed direction) 0006-2258 The machine uses the original width volume (VR1) located inside the original tray for original size initial identification (cross-fee direction). The original width volume operates in conjunction with the slide guide, and its resistance shows analog variations.
  • Page 43 Chapter 2 F-2-16 [1] ADF controller PCB [2] Slide guide (rear) [3] A4R/LTRR sensor (PI5) [4] Gear [5] Original width volume [6] Slide guide (front) The following shows the relationship between the signals from the individual length sensors and the sizes identified by the machine in response: 2-20...
  • Page 44 Chapter 2   T-2-5 Original width (W; A4R/LTRR*1 Tray Tray Identified size sensor (width detecting VR) sensor 2 sensor 1 Mixed Inch size 148<=w<=171 STMT LTRR 172<=w<=199 STMT LTRR 200<=w<=246 STMT LTRR STMT STMT LTRR LTRR 247<=w<=268 11"x17" 11"x17" 269<=w<=288 11"x17"...
  • Page 45: Slide Guide Positioning Spacer

    Chapter 2 2.3.6 Slide Guide Positioning Spacer 0006-2259 The slide guide rail is provided with grooves so that the guide stops at a specific point in relation to a default size. The limited distance between certain paper sizes, however, can cause the slide to stop at the wrong point.
  • Page 46: Original Size Final Identification

    Chapter 2   2.3.7 Original Size Final Identification 0006-2261 The machine performs original size final identification with reference to the length of the original (conversion result based on the feed motor drive used to move the original past the read sensor (PI3)) and the result of original size initial identification. When an original moves past the original detecting lever of the read sensor (PI3), the detecting lever operates in conjunction with the light-blocking plate to permit the light to the photointerrupter to pass.
  • Page 47 Chapter 2 T-2-7 Original width (W; Default size Original length 1 (mm) l<=138  141<=l<=165  166<=l<=196 w<=199  197<=l<=234 w<=200  197<=l<=234  235<=l<=277  278<=l<=331  332<=l<=392  393<=l <Inch-Configuration Mixed Size Mode> T-2-8 Original width (W; Original length 1 (mm) Default size STMT    l<=178  179<=l<=248 LTRR  249<=l<=318...
  • Page 48 Chapter 2   T-2-9 Default side Original width Original length 1 A4R/LTRR distinction (W; mm) (mm) Mixed Inch Sensor (PI2) STMT 171<=w  l<=200 LTRR 201<=l<=300 301<=l STMT 172<=w<=19  l<=200 LTRR 201<=l<=300 301<=l STMT STMT 200<=w<=246  l<=200 LTRR LTRR 201<=l<=300 301<=l STMT 200<=w<=246 ON*1...
  • Page 49: Document Pickup/Separation

    Chapter 2 2.4 Document Pickup/Separation 2.4.1 Basic Operation 0006-2263 a.Initial Operation When the power is turned on, the machine rotates the pickup motor in its normal direction while keeping the pickup clutch on; thus, moving up the pickup roller as shown in the figure.
  • Page 50 Chapter 2   Pickup roller Pickup rolle unit unit One-way One-way One-way One-way Original Origin clutch clutch clutch clutch Separation plate Separation pad Stopper F-2-20 c. Arching The one-way clutch rotates idly as long as the pickup motor (M2) rotates in reverse, keeping the registration roller at rest;...
  • Page 51 Chapter 2 Registration roller One-way clutch Read roller Read standby point F-2-22 e. Stream Reading When the leading edge of the original reaches the read point, the machine sends the image leading edge signal to its host machine to start stream reading, in which the scanner of the host machine is fixed in place and the original is moved by the platen roller and scanned.
  • Page 52: Pickup Roller And The Stopper

    Chapter 2   2.4.2 Pickup Roller and the Stopper 0006-2264 The pickup unit consists of pickup rollers and separation rollers. 1) When the Start key is pressed or the original pickup signal arrives, the pickup motor (M2) rotates in reverse so that the pickup unit moves down so that the pickup roller and the separation roller start to move the original.
  • Page 53 Chapter 2 Clutch Stopper Drive A Pickup roller Drive B One-way clutch Stopper arm Paper Separation roller Separation pad Separation plate F-2-24 [1] drive for reverse rotation [2] drive for normal rotation 2-31...
  • Page 54: Timing Of Pickup

    Chapter 2   2.4.3 Timing of Pickup 0006-2265 Start key ON Original pickup signal input Original placed Power ON STBY Original Read separation/feed Original placement sensor PI9 Registration paper sensor(PI2) Read sensor (PI3) Delivery reversal sensor(PI4) Arch Read/Standby Pickup motor(M2) Feed motor (M1) Image leading edge signal...
  • Page 55 Chapter 2 +24V PMOT_A OUTA PMOT_A* PMOT_B Motor OUTA* driver PMOT_B* OUTB PMOT_V-REF OUTB* ADF controller PCB F-2-26 The CPU (IC1) of the ADF controller PCB receives commands from the host machine for print mode (e.g., magnification, operation, timing). In response, it sends drive pulses to the pickup motor.
  • Page 56: Document Reversing

    Chapter 2   2.5 Document Reversing 2.5.1 Basic Operation 0006-2269 The machine turns over an original in either of 2 ways: turning it over from 1st side to 2nd side or turning it over from 2nd side to 1st side. The mechanisms involved are identical, and the discussions that follow are based on turning 1st side to 2nd side.
  • Page 57 Chapter 2 Delivery reversal sensor F-2-28 c. Reversal/Feed 2 The machine rotates the feed motor (M1) to move the original to the read standby point, at the end of which the original is turned over. Thereafter, the machine executes reading, delivery, and feed operations.
  • Page 58: Sequence Of Operation

    Chapter 2   2.5.2 Sequence of Operation 0006-2271 Start key ON Original placed Original pickup signal input Power ON Original Original Original STBY back read reversal separation /feed Original placemen sensor PI9 Registration paper sensor(PI2) Read sensor (PI3) Delivery reversal sensor(PI4) Read standby Arch...
  • Page 59: Document Feeding/Delivery

    Chapter 2 2.6 Document Feeding/Delivery 2.6.1 Basic Operation 0006-2272 When the host machine ends stream reading of the original on its copyboard glass, the machine discharges the original to the original delivery slot as follows: a. Moving the Original The looking solenoid (SL1) goes on so that the lower delivery reversing roller locks to the upper delivery reversing roller.
  • Page 60: Sequence Of Operation

    Chapter 2   Delivery reversing roller F-2-32 2.6.2 Sequence of Operation 0006-2273 Start key ON Original pickup signal input Original placed Power ON Original STBY Original read STBY Original delivery separation/feed Original placemen sensor PI9 Registration paper sensor(PI2) Read sensor (PI3) Delivery reversal sensor(PI4)
  • Page 61 Chapter 2 -controls the direction of motor rotation -controls the speed of motor rotation +24V RMOT_A OUTA RMOT_A* RMOT_B Motor OUTA* driver RMOT_B* OUTB RMOT_V-REF OUTB* AADF controller PCB F-2-34 The CPU (CI1) of the ADF controller PCB receives commands from the host machine on print mode (e.g., magnification, operation mode, timing), and sends drive pulses to the feed motor in response.
  • Page 62: Detecting Jams

    Chapter 2   2.7 Detecting Jams 2.7.1 Jams 0006-2275 The machine uses the following sensors to check for original jams. The timing of making a check is stored in the ROM of the reader PCB, and the machine identifies the presence/ absence of a jam in terms of the presence/absence of paper over specific sensors.
  • Page 63 Chapter 2 PI10 F-2-36 PI2: registration sensor PI3: read sensor PI4: delivery reversal sensor PI10: cover open/closed sensor 2-41...
  • Page 64: Power Supply

    Chapter 2   2.8 Power Supply 2.8.1 Power Supply 0006-2276 The following is a diagram of the machine's power supply system. The machine is supplied with power by its host machine (24 and 13 V). The 13 V power is converted by IC2 into 5 V for output to sensor and the ADF controller PCB.
  • Page 65: Stamp Operation

    Chapter 2 2.9 Stamp Operation 2.9.1 Outline 0006-3557 When the stamp function is selected in fax mode of the host machine, the stamping solenoid drive signal (S_SOL) from the ADF drive PCB turn on the stamp solenoid (SL2) to put a stamp on the original (READ or SENT marking).
  • Page 66 Chapter 2   Start key ON Original placed Original placement signal input Original Original read Original delivery separation/feed Original placemen ensor PI9 egistration paper ensor(PI2) ead sensor PI3) Delivery reversal ensor(PI4) Arch Read standby ickup motor(M2) eed motor (M1) ocking solenoid SL1) mage leading dge signal...
  • Page 67: Chapter 3 Parts Replacement Procedure

    Chapter 3   Parts Replacement Procedure...
  • Page 68 Contents Contents 3.1 Removing from the Host Machine.............3-1 3.1.1 Feeder ....................3-1 3.1.1.1 Disconnecting from the Host Machine ........3-1 3.2 External Covers..................3-2 3.2.1 Front Cover ..................3-2 3.2.1.1 Removing the Front Cover............3-2 3.2.2 Rear Cover ..................3-3 3.2.2.1 Removing the Rear Cover ............3-3 3.2.3 Feeder Cover ..................3-4 3.2.3.1 Removing the Feeder Cover............3-4 3.3 Drive System....................3-5...
  • Page 69 Contents 3.3.4.4 Mounting the Pickup Clutch ............3-26 3.4 Document Feeding System ..............3-27 3.4.1 Pickup Roller Unit ................3-27 3.4.1.1 Removing the Front Cover............3-27 3.4.1.2 Removing the Feeder Cover ............3-27 3.4.1.3 Removing the Pickup Roller Unit..........3-28 3.4.1.4 Mounting the Pickup Roller Unit..........
  • Page 70 Contents 3.4.6.2 Removing the Front Cover............3-59 3.4.6.3 Removing the Feeder Cover............3-60 3.4.6.4 Removing the Pickup Motor ............3-61 3.4.6.5 Removing the Pickup Clutch .............3-62 3.4.6.6 Removing the Reinforcing Plate ..........3-63 3.4.6.7 Removing the Feed Motor ............3-64 3.4.6.8 Detaching the Timing Belt and the Pulley .........3-65 3.4.6.9 Removing the Feeder Unit ............3-69 3.4.6.10 Removing the Upper Delivery Reversing Roller .....3-70 3.4.7 Read Roller 1..................3-71...
  • Page 71 Contents 3.4.9.4 Removing the Pickup Motor............ 3-103 3.4.9.5 Removing the Pickup Clutch ........... 3-104 3.4.9.6 Removing the Reinforcing Plate..........3-105 3.4.9.7 Removing the Feed Motor ............3-106 3.4.9.8 Detaching the Timing Belt and the Pulley....... 3-107 3.4.9.9 Removing the Feeder Unit ............3-111 3.4.9.10 Removing the Platen Guide L..........
  • Page 72 Contents 3.5.2.3 Removing the Feeder Cover.............3-135 3.5.2.4 Removing the Pickup Motor ............3-135 3.5.2.5 Removing the Pickup Clutch ...........3-136 3.5.2.6 Removing the Reinforcing Plate ..........3-138 3.5.2.7 Removing the Feed Motor ............3-138 3.5.2.8 Detaching the Timing Belt and the Pulley .......3-139 3.5.2.9 Removing the Feeder Unit ............3-143 3.5.2.10 Removing the Upper Delivery Reversing Roller ....3-145 3.5.2.11 Removing the Platen Guide L ..........3-146 3.5.2.12 Removing the Read Roller 1 ..........3-146...
  • Page 73: Removing From The Host Machine

    Chapter 3 3.1 Removing from the Host Machine 3.1.1 Feeder 3.1.1.1 Disconnecting from Host Machine 0006-2336 1) Turn off the host machine. F-3-2 2) Disconnect the communication cable [1] of the machine from the host machine. F-3-1 3) Remove the 3 stepped screws [1]. 4) Slide the machine toward the rear, and lift it to detach.
  • Page 74: External Covers

    Chapter 3   3.2 External Covers 3.2.2 Rear Cover 3.2.2.1 Removing the 3.2.1 Front Cover Rear Cover 0007-2713 1) Open the feeder cover and the original 3.2.1.1 Removing the pickup tray; then, remove the screw [1]. Front Cover 0007-2734 1) Open the feeder cover [1], and remove the screw [2].
  • Page 75: Rear Cover

    Chapter 3 2) Remove the 2 screws [2], and detach the 3.2.3 Feeder Cover rear cover [3]. Be sure to detach the cover while 3.2.3.1 Removing the feeding the 3 claws [4] of the rear cover. Feeder Cover 0007-2756 1) Remove the screw [1] and the positioning pin [2];...
  • Page 76: Drive System

    Chapter 3   3.3 Drive System 3.3.1 Pickup Motor 3.3.1.1 Removing the Rear Cover 0007-2714 1) Open the feeder cover and the original pickup tray; then, remove the screw [1]. F-3-9 3.3.1.2 Removing the Pickup Motor 0007-1579 1) Disconnect the connector [1]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 77: Feed Motor

    Chapter 3 3) Remove the tension spring [3] using 3) Fix the adjusting plate in place using 2 tweezers; then, remove the stepped screws [3], and connect the connector screw [4], and detach the pickup motor [4]. [5] together with the adjusting plate. F-3-13 3.3.2 Feed Motor F-3-11...
  • Page 78: Removing The Feed Motor

    Chapter 3   2) Remove the tension spring [3]. 2) Remove the 2 screws [2], and detach the rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-17 3) Remove the 2 screws [4] and the stepped screw [5];...
  • Page 79: Mounting The Feed Motor

    Chapter 3 3.3.2.3 Mounting Feed Motor 0007-1588 1) Mount the feed motor [1] together with the adjusting plate [2]; then, fit the tension spring [3] and the stepped screw [4]. It will be difficult to fit the tension spring if not done now; hook it on the adjusting plate first.
  • Page 80: Removing The Rear Cover

    Chapter 3   3.3.3.1 Removing the 3.3.3.2 Removing the Rear Cover Front Cover 0007-2716 0007-2735 1) Open the feeder cover and the original 1) Open the feeder cover [1], and remove pickup tray; then, remove the screw [1]. the screw [2]. F-3-22 F-3-24 2) Remove the 2 screws [2], and detach the...
  • Page 81: Removing The Feeder Cover

    Chapter 3 3.3.3.3 Removing the 3) Remove the tension spring [3] using Feeder Cover 0007-2759 tweezers; then, remove the stepped 1) Remove the screw [1] and the screw [4], and detach the pickup motor positioning pin [2]; then, detach the [5] together with the adjusting plate.
  • Page 82: Removing The Reinforcing Plate

    Chapter 3   3.3.3.6 Removing the 2) Remove the resin E-ring [3] and bearing Reinforcing Plate 0007-2514 [4], and then remove 2 screws [5]. 1) Remove 2 screws [1] to remove the reinforcing plate [2]. F-3-30 F-3-32 3) Remove the clutch [6], gear [7], clutch 3.3.3.7 Removing the mount [8], bearing [9], and shaft [10].
  • Page 83: Detaching The Timing Belt And The Pulley

    Chapter 3 2) Remove the tension spring [3]. F-3-34 F-3-36 3) Remove the 2 screws [4] and the stepped 2) Remove the 4 screws [4] and the other screw [5]; then, detach the feed motor screw [5]; then, detach the left hinge [6] together with the adjusting plate [7].
  • Page 84 Chapter 3   3) Remove the screw [6], and detach the 6) Detach the motor drive timing belt [14] original placement sensor [7] together [15]. with the bracket; then, disconnect the connector [8]. [14] [15] F-3-40 7) Remove the E-ring [16], retaining ring [17], 3 gears [18], and then detach 3 timing belts [19] and the parallel pin F-3-38...
  • Page 85: Pickup Clutch

    Chapter 3 pickup tray; then, remove the screw [1]. [24] [21] [23] [22] F-3-42 F-3-44 Loosen the screw [26] of the tension 2) Remove the 2 screws [2], and detach the arm [25]; then, force the arm clockwise rear cover [3]. to mount it.
  • Page 86 Chapter 3   3.3.4.3 3.3.4.2 Removing the Removing the Pickup Clutch Pickup Motor 0007-3397 0007-3396 1) Disconnect the connector [1]. 1) Remove 3 harness guide clips [1], and then disconnect the connector [2]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 87: Mounting The Pickup Clutch

    Chapter 3 3) Remove the clutch [6], gear [7], clutch mount [8], bearing [9], and shaft [10]. [10] F-3-50 3.3.4.4 Mounting Pickup Clutch 0007-5766 1) When mounting the pickup clutch, attach the belt as shown below. F-3-51 3-15...
  • Page 88: Document Feeding System

    Chapter 3   Document Feeding System 3.4.1 Pickup Roller Unit 3.4.1.1 Removing the Front Cover 0007-2736 1) Open the feeder cover [1], and remove the screw [2]. F-3-53 3.4.1.2 Removing the Feeder Cover 0007-2760 1) Remove the screw [1] and the positioning pin [2];...
  • Page 89: Pickup Roller Unit

    Chapter 3 Make sure that the lever segment of the stop lever [4] is under the stopper arm [1]. F-3-55 2) Remove the 2 E-rings [3] and the 2 bushings [4]; then, detach the pickup roller unit [5]. F-3-57 2) Secure the pickup roller unit in place using 2 resin E-rings [5] and 2 bushings [6].
  • Page 90: Pickup Roller/Separation Roller

    Chapter 3   3.4.2 Pickup Roller/Separation 3.4.2.2 Removing the Feeder Cover 0007-2761 Roller 1) Remove the screw [1] and the positioning pin [2]; then, detach the 3.4.2.1 Removing the feeder cover [3]. Front Cover 0007-2738 1) Open the feeder cover [1], and remove the screw [2].
  • Page 91: Separation Plate/Separation Pad

    Chapter 3 unit [5]. separation roller [6]. 3) Remove the pickup roller [7]. When the separation roller is detached, the pin [5] is also removed. Do not lose it. The part number and color of the separation roller of this machine are as follows: Part No.: FC6-2784-000 Color: Black...
  • Page 92: Adjusting The Separation Pressure

    Chapter 3   F-3-66 F-3-68 3) Slide the separation pad [3] as shown to detach. 2) Change the orientation of the spring base [2], and attach it to the back of the separation pad. F-3-67 3.4.3.2 Adjusting Separation Pressure 0007-1619 1) Detach the pressure spring [1] and the spring base [2] found behind the separation pad [3] from the pad.
  • Page 93: Upper Registration Roller

    Chapter 3 spring base [2]. You can set the separation pressure to either of 2 settings, determined by the height of the pressure spring [1] on the spring base [2]. 3.4.4 Upper Registration Roller 3.4.4.1 Removing the Front Cover 0007-2740 F-3-71 1) Open the feeder cover [1], and remove the screw [2].
  • Page 94: Lower Registration Roller

    Chapter 3   F-3-73 F-3-75 2) Slide out the shaft [3] in the direction 2) Remove the 2 screws [2], and detach the indicated in the figure; then, detach the rear cover [3]. upper registration roller [4]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover.
  • Page 95: Removing The Feeder Cover

    Chapter 3 F-3-77 F-3-79 2) Remove the 2 screws [3], and detach the 3.4.5.4 Removing the front cover [4]. Pickup Motor 0007-2775 1) Disconnect the connector [1]. 2) Remove the 2 fixing screws [2] of the adjusting plate. F-3-78 3.4.5.3 Removing the F-3-80 Feeder Cover...
  • Page 96: Removing The Pickup Clutch

    Chapter 3   F-3-83 F-3-81 3) Remove the clutch [6], gear [7], clutch mount [8], bearing [9], and shaft [10]. 3.4.5.5 Removing the Pickup Clutch 0007-3409 1) Remove 3 harness guide clips [1], and then disconnect the connector [2]. [10] F-3-84 3.4.5.6 Removing the...
  • Page 97: Removing The Feed Motor

    Chapter 3 F-3-85 F-3-87 3.4.5.7 Removing the Feed Motor 0007-2817 3) Remove the 2 screws [4] and the stepped screw [5]; then, detach the feed motor 1) Free the 5 claws [1] of the harness guide; [6] together with the adjusting plate [7]. then, disconnect the connector [2].
  • Page 98 Chapter 3   F-3-89 F-3-91 2) Remove the 4 screws [4] and the other screw [5]; then, detach the left hinge 4) Remove the 3 screws [9] and the 2 other unit. screws [10]. 5) Remove the E-ring [11] and the bushing [12];...
  • Page 99: Removing The Feeder Unit

    Chapter 3 [14] [15] [24] [21] [23] F-3-93 [22] F-3-95 7) Remove the E-ring [16], retaining ring [17], 3 gears [18], and then detach 3 Loosen the screw [26] of the tension timing belts [19] and the parallel pin arm [25]; then, force the arm clockwise [20].
  • Page 100: Removing The Upper Delivery Reversing Roller

    Chapter 3   feeder unit [9]. F-3-99 3.4.5.10 Removing the F-3-97 Upper Delivery Reversing Roller 0007-2845 2) Remove the 2 screws [4] on the front 1) Turn over the feeder unit; then, remove cover side; then, remove the locking the resin E-ring [1], and pull out the support [5], disconnect...
  • Page 101: Removing The Platen Guide L

    Chapter 3 F-3-101 F-3-103 3.4.5.11 Removing the 2) Remove the resin E-ring [5], and detach the pulley [6], and the bearing [7]. Platen Guide L 0007-1633 1) Remove the 2 screws [1], and detach the platen guide L [2]. F-3-104 3) Remove the 2 resin E-rings [8], and F-3-102 detach the reader roller 1 [9] as shown in...
  • Page 102 Chapter 3   [10] [12] [11] [11] F-3-105 When mounting the platen roller pressure spring (left, right) [13], be sure that the hook segment of the spring is on F-3-107 the outside of the platen guide L. F-3-106 F-3-108 3-30...
  • Page 103: Removing The Read Roller 2

    Chapter 3 [4] [5] F-3-111 3) Remove the resin E-ring [6], gear [7], and bushing [8]. 4) Lift the read roller 2 [9] along the space F-3-109 of the shaft opening as show; then, slide it to detach. 3.4.5.13 Removing the Read Roller 2 0007-2846 1) Remove the screw [1], and detach the...
  • Page 104: Delivery Reversing Roller (Upper)

    Chapter 3   [14] [13] [11] [10] [12] [13] F-3-113 F-3-115 2) Remove the E-ring [3], and the resin E- 6) Remove the resin E-ring [15] and the ring [4], detach the bushing [5]. bushing [16]; then, detach the lower 3) Remove the resin E-ring [6] and the registration roller [17].
  • Page 105: Removing The

    Chapter 3 F-3-119 F-3-117 2) Remove the 2 screws [3], and detach the 2) Remove the 2 screws [2], and detach the front cover [4]. rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-120 3.4.6.3 Removing the...
  • Page 106: Removing The Pickup Motor

    Chapter 3   F-3-123 F-3-121 3.4.6.5 Removing the 3.4.6.4 Removing the Pickup Clutch 0007-3406 Pickup Motor 0007-2776 1) Remove 3 harness guide clips [1], and 1) Disconnect the connector [1]. then disconnect the connector [2]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 107: Removing The Reinforcing Plate

    Chapter 3 F-3-125 F-3-127 3) Remove the clutch [6], gear [7], clutch 3.4.6.7 Removing the mount [8], bearing [9], and shaft [10]. Feed Motor 0007-2818 1) Free the 5 claws [1] of the harness guide; then, disconnect the connector [2]. [10] F-3-126 3.4.6.6...
  • Page 108: Detaching The Timing Belt And The Pulley

    Chapter 3   F-3-129 F-3-131 3) Remove the 2 screws [4] and the stepped 2) Remove the 4 screws [4] and the other screw [5]; then, detach the feed motor screw [5]; then, detach the left hinge [6] together with the adjusting plate [7]. unit.
  • Page 109 Chapter 3 [14] [15] F-3-135 7) Remove the E-ring [16], retaining ring F-3-133 [17], 3 gears [18], and then detach 3 timing belts [19] and the parallel pin 4) Remove the 3 screws [9] and the 2 other [20]. screws [10]. 5) Remove the E-ring [11] and the bushing [20] [12];...
  • Page 110: Removing The Feeder Unit

    Chapter 3   [24] [21] [23] [22] F-3-137 Loosen the screw [26] of the tension F-3-139 arm [25]; then, force the arm clockwise to mount it. When you have attached the 2) Remove the 2 screws [4] on the front timing belt [23], tighten the screw [26].
  • Page 111: Removing The Upper Delivery Reversing Roller

    Chapter 3 feeder unit [9]. F-3-143 3.4.7 Read Roller 1 F-3-141 3.4.6.10 Removing the 3.4.7.1 Removing the Upper Delivery Rear Cover 0007-2722 Reversing Roller 0007-1645 1) Open the feeder cover and the original 1) Turn over the feeder unit; then, remove pickup tray;...
  • Page 112: Removing The

    Chapter 3   F-3-147 F-3-145 3.4.7.3 Removing the Feeder Cover 0007-2767 3.4.7.2 Removing the 1) Remove the screw [1] and the Front Cover 0007-2745 positioning pin [2]; then, detach the 1) Open the feeder cover [1], and remove feeder cover [3]. the screw [2].
  • Page 113: Removing The Pickup Clutch

    Chapter 3 F-3-149 F-3-151 3) Remove the tension spring [3] using tweezers; then, remove the stepped 2) Remove the resin E-ring [3] and bearing screw [4], and detach the pickup motor [4], and then remove 2 screws [5]. [5] together with the adjusting plate. F-3-152 F-3-150 3) Remove the clutch [6], gear [7], clutch...
  • Page 114: Removing The Reinforcing Plate

    Chapter 3   [10] F-3-153 3.4.7.6 Removing the F-3-155 Reinforcing Plate 0007-2787 1) Remove 2 screws [1] to remove the 2) Remove the tension spring [3]. reinforcing plate [2]. F-3-154 F-3-156 3.4.7.7 Removing the 3) Remove the 2 screws [4] and the stepped Feed Motor 0007-2820 screw [5];...
  • Page 115: Detaching The Timing Belt And The Pulley

    Chapter 3 [7] [4] F-3-157 F-3-159 3.4.7.8 Detaching the Timing Belt and the 3) Remove the screw [6], and detach the Pulley 0007-5780 original placement sensor [7] together with the bracket; then, disconnect the 1) Disconnect the 2 connectors [1], and connector [8].
  • Page 116 Chapter 3   [12]; then, detach the motor base [13]. [20] [19] [10] [10] [18] [16] [11] [12] [17] [18] [18] [19] F-3-161 F-3-163 6) Detach the motor drive timing belt [14] 8) Remove the resin E-ring [21], pulley [15]. [22], and belt [23].
  • Page 117: Removing The Feeder Unit

    Chapter 3 support [5], disconnect connector [6]. [25] [26] [23] F-3-165 3.4.7.9 Removing the Feeder Unit 0007-2839 F-3-167 1) Remove the screw [1], and pull out the busing [2]; then, detach the original 3) Disconnect the sensor connector [7]. pickup tray [3]. 4) Remove the 2 screws [8], and detach the feeder unit [9].
  • Page 118: Removing The

    Chapter 3   F-3-169 F-3-171 3.4.7.11 Removing the 3) Remove the 2 resin E-rings [8], and Read Roller 1 detach the reader roller 1 [9] as shown in 0007-1655 the figure. 1) Remove the resin E-ring [1], and detach the pulley [2], timing belt [3], and Be sure to pull out the roller while bushing [4].
  • Page 119 Chapter 3 that the hook segment of the spring is on the outside of the platen guide L. F-3-175 F-3-173 F-3-176 F-3-174 3.4.8 Read Roller 2 3.4.8.1 Removing the Rear Cover 0007-2724 1) Open the feeder cover and the original pickup tray;...
  • Page 120: Removing The Front Cover

    Chapter 3   F-3-179 F-3-177 2) Remove the 2 screws [3], and detach the 2) Remove the 2 screws [2], and detach the front cover [4]. rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-180 3.4.8.3 Removing the...
  • Page 121 Chapter 3 F-3-183 F-3-181 3.4.8.5 Removing the 3.4.8.4 Removing the Pickup Clutch 0007-3404 Pickup Motor 0007-2778 1) Remove 3 harness guide clips [1], and 1) Disconnect the connector [1]. then disconnect the connector [2]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 122 Chapter 3   F-3-185 F-3-187 3) Remove the clutch [6], gear [7], clutch 3.4.8.7 Removing the mount [8], bearing [9], and shaft [10]. Feed Motor 0007-2821 1) Free the 5 claws [1] of the harness guide; then, disconnect the connector [2]. [10] F-3-186 3.4.8.6...
  • Page 123 Chapter 3 F-3-189 F-3-191 3) Remove the 2 screws [4] and the stepped 2) Remove the 4 screws [4] and the other screw [5]; then, detach the feed motor screw [5]; then, detach the left hinge [6] together with the adjusting plate [7]. unit.
  • Page 124 Chapter 3   [14] [15] F-3-195 7) Remove the E-ring [16], retaining ring F-3-193 [17], 3 gears [18], and then detach 3 timing belts [19] and the parallel pin 4) Remove the 3 screws [9] and the 2 other [20]. screws [10].
  • Page 125 Chapter 3 [24] [21] [23] [22] F-3-197 Loosen the screw [26] of the tension F-3-199 arm [25]; then, force the arm clockwise to mount it. When you have attached the 2) Remove the 2 screws [4] on the front timing belt [23], tighten the screw [26]. cover side;...
  • Page 126: Platen Roller

    Chapter 3   feeder unit [9]. [4] [5] F-3-203 3) Remove the resin E-ring [6], gear [7], F-3-201 and bushing [8]. 4) Lift the read roller 2 [9] along the space 3.4.8.10 Removing the of the shaft opening as show; then, slide Read Roller 2 0007-1665 it to detach.
  • Page 127: Removing The Front Cover

    Chapter 3 F-3-207 F-3-205 2) Remove the 2 screws [3], and detach the 2) Remove the 2 screws [2], and detach the front cover [4]. rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-208 3.4.9.3 Removing the...
  • Page 128 Chapter 3   F-3-211 F-3-209 3.4.9.5 Removing the 3.4.9.4 Removing the Pickup Clutch 0007-3402 Pickup Motor 0007-2780 1) Remove 3 harness guide clips [1], and 1) Disconnect the connector [1]. then disconnect the connector [2]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 129 Chapter 3 F-3-213 F-3-215 3) Remove the clutch [6], gear [7], clutch 3.4.9.7 Removing the mount [8], bearing [9], and shaft [10]. Feed Motor 0007-2823 1) Free the 5 claws [1] of the harness guide; then, disconnect the connector [2]. [10] F-3-214 3.4.9.6...
  • Page 130: Detaching The Timing Belt And The Pulley

    Chapter 3   F-3-217 F-3-219 3) Remove the 2 screws [4] and the stepped 2) Remove the 4 screws [4] and the other screw [5]; then, detach the feed motor screw [5]; then, detach the left hinge [6] together with the adjusting plate [7]. unit.
  • Page 131 Chapter 3 [14] [15] F-3-223 7) Remove the E-ring [16], retaining ring F-3-221 [17], 3 gears [18], and then detach 3 timing belts [19] and the parallel pin 4) Remove the 3 screws [9] and the 2 other [20]. screws [10]. 5) Remove the E-ring [11] and the bushing [20] [12];...
  • Page 132: Removing The Feeder Unit

    Chapter 3   [24] [21] [23] [22] F-3-225 Loosen the screw [26] of the tension F-3-227 arm [25]; then, force the arm clockwise to mount it. When you have attached the 2) Remove the 2 screws [4] on the front timing belt [23], tighten the screw [26].
  • Page 133 Chapter 3 feeder unit [9]. the bushing [10]. [10] F-3-231 3) Detach the platen roller [11] as show F-3-229 together with the roll holder. 3.4.9.10 Removing the [11] Platen Guide L 0007-2854 1) Remove the 2 screws [1], and detach the platen guide L [2].
  • Page 134: Removing The Rear Cover

    Chapter 3   3.4.10 Delivery Reversing Roller (lower) 3.4.10.1 Removing the Lower Delivery Reversing Roller 0007-1677 If you are replacing the roller segment of the lower delivery reversing roller, 1) Open the original pickup tray, and push up the roller segment [1] to detach. F-3-233 When mounting the platen roller [11], and the roll holder, be sure that the roll...
  • Page 135: Removing The Feeder Cover

    Chapter 3 F-3-238 F-3-236 2) Remove the 2 screws [3], and detach the 2) Remove the 2 screws [2], and detach the front cover [4]. rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-239 3.4.10.4 Removing the Feeder Cover...
  • Page 136: Removing The Pickup Motor

    Chapter 3   F-3-242 F-3-240 3.4.10.6 Removing the 3.4.10.5 Removing the Pickup Clutch 0007-3401 Pickup Motor 0007-2782 1) Remove 3 harness guide clips [1], and 1) Disconnect the connector [1]. then disconnect the connector [2]. 2) Remove the 2 fixing screws [2] of the adjusting plate.
  • Page 137: Removing The Reinforcing Plate

    Chapter 3 F-3-244 F-3-246 3) Remove the clutch [6], gear [7], clutch 3.4.10.8 Removing the mount [8], bearing [9], and shaft [10]. Feed Motor 0007-2825 1) Free the 5 claws [1] of the harness guide; then, disconnect the connector [2]. [10] F-3-245 3.4.10.7 Removing the...
  • Page 138 Chapter 3   F-3-248 F-3-250 3) Remove the 2 screws [4] and the stepped 2) Remove the 4 screws [4] and the other screw [5]; then, detach the feed motor screw [5]; then, detach the left hinge [6] together with the adjusting plate [7]. unit.
  • Page 139 Chapter 3 [14] [15] F-3-254 7) Remove the E-ring [16], retaining ring F-3-252 [17], 3 gears [18], and then detach 3 timing belts [19] and the parallel pin 4) Remove the 3 screws [9] and the 2 other [20]. screws [10]. 5) Remove the E-ring [11] and the bushing [20] [12];...
  • Page 140 Chapter 3   [24] [21] [23] [22] F-3-256 Loosen the screw [26] of the tension F-3-258 arm [25]; then, force the arm clockwise to mount it. When you have attached the 2) Remove the 2 screws [4] on the front timing belt [23], tighten the screw [26].
  • Page 141: Read Roller Roll

    Chapter 3 feeder unit [9]. F-3-261 F-3-260 3) Pull out the bushing [3] by pulling on the 3.4.10.11 Removing the claw; then, detach the lower delivery Lower Delivery reversing roller unit [4]. Reversing Roller Unit 0007-1687 1) Remove the E-ring [2]. 2) Remove the white plate (copyboard cover).
  • Page 142: Separation Guide Sheet

    Chapter 3   3.4.12.2 Removing the The while plate is attached to the frame Front Cover 0007-2752 using double-sided sponge tape (8 locations). 1) Open the feeder cover [1], and remove If you have detached it, be sure to attach the screw [2].
  • Page 143: Replacing The Separation Guide Sheet

    Chapter 3 feeder cover [3]. F-3-266 3.4.12.4 Replacing the F-3-267 Separation guide Sheet 0007-1692 1) Open the separation guide. 2) Remove the 2 screws [1], and detach the guide fixing [2]. You will need a stubby screwdriver to remove it. 3) Peel off the separation guide sheet [3];...
  • Page 144: Feed Roller Guide

    Chapter 3   3.4.13 Feed Roller Guide 3.4.13.1 Repacking the Feed Roll Guide (dust- collecting tape) 0007-1693 1) Open the ADF. 2) Remove the 2 screws [1], and detach the feed roll guide [2]. F-3-268 3) Mount the new feed roll guide. 3-72...
  • Page 145: Electrical System

    Chapter 3 3.5 Electrical System 3.5.1 ADF Controller PCB 3.5.1.1 Removing the Rear Cover 0007-2728 1) Open the feeder cover and the original pickup tray; then, remove the screw [1]. F-3-270 3.5.1.2 Removing the ADF Controller PCB 0007-2269 1) Disconnect all connectors of the ADF controller PCB.
  • Page 146: Inner Sensor Of Feed Unit

    Chapter 3   3.5.2 Inner Sensor of Feed Unit 3.5.2.1 Removing the Rear Cover 0007-2729 1) Open the feeder cover and the original pickup tray; then, remove the screw [1]. F-3-273 3.5.2.2 Removing the Front Cover 0007-2753 1) Open the feeder cover [1], and remove F-3-272 the screw [2].
  • Page 147: Removing The Feeder Cover

    Chapter 3 F-3-277 F-3-275 3) Remove the tension spring [3] using tweezers; then, remove the stepped 3.5.2.3 Removing the screw [4], and detach the pickup motor Feeder Cover 0007-2773 [5] together with the adjusting plate. 1) Remove the screw [1] and the positioning pin [2];...
  • Page 148: Removing The Reinforcing Plate

    Chapter 3   [10] F-3-281 3.5.2.6 Removing the F-3-279 Reinforcing Plate 0007-2815 2) Remove the resin E-ring [3] and bearing 1) Remove 2 screws [1] to remove the [4], and then remove 2 screws [5]. reinforcing plate [2]. F-3-280 F-3-282 3) Remove the clutch [6], gear [7], clutch 3.5.2.7 Removing the...
  • Page 149: Detaching The Timing Belt And The Pulley

    Chapter 3 [7] [4] F-3-285 F-3-283 3.5.2.8 Detaching the 2) Remove the tension spring [3]. Timing Belt and the Pulley 0007-5785 1) Disconnect the 2 connectors [1], and remove the screw [2] and grounding fixing screw [3]; then, slide the harness guide slightly to the left, and lift it.
  • Page 150 Chapter 3   [12]; then, detach the motor base [13]. [10] [10] [11] [12] F-3-289 F-3-287 6) Detach the motor drive timing belt [14] 3) Remove the screw [6], and detach the [15]. original placement sensor [7] together with the bracket; then, disconnect the connector [8].
  • Page 151: Removing The Feeder Unit

    Chapter 3 [20] [25] [26] [19] [18] [16] [23] F-3-293 [17] [18] [18] [19] F-3-291 3.5.2.9 Removing the 8) Remove the resin E-ring [21], pulley Feeder Unit 0007-2843 [22], and belt [23]. Before removing the 1) Remove the screw [1], and pull out the pulley [24], you need to remove the busing [2];...
  • Page 152: Removing The Upper Delivery Reversing Roller

    Chapter 3   support [5], disconnect the resin E-ring [1], and pull out the connector [6]. pulley [2] and the bushing [3]. F-3-297 2) Remove the resin E-ring [4], and detach the bushing [5]. 3) Remove the upper reversing delivery F-3-295 roller [6] and the separation guide [7].
  • Page 153 Chapter 3 F-3-299 F-3-301 3.5.2.12 Removing the 3) Remove the 2 resin E-rings [8], and Read Roller 1 detach the reader roller 1 [9] as shown in 0007-2857 the figure. 1) Remove the resin E-ring [1], and detach the pulley [2], timing belt [3], and Be sure to pull out the roller while bushing [4].
  • Page 154 Chapter 3   that the hook segment of the spring is on the outside of the platen guide L. F-3-305 F-3-303 F-3-306 F-3-304 3.5.2.13 Removing the Read Roller 2 0007-2851 1) Remove the screw [1], and detach the platen guide R [2]. 3-82...
  • Page 155: Removing The Platen Roller

    Chapter 3 F-3-307 F-3-309 2) Remove the resin E-ring [3], and detach 3.5.2.14 Removing the the pulley [4] and the bearing [5]. Platen Roller 0007-2858 1) Remove the resin E-ring [5]; then, [4] [5] detach the pulley [6], timing belt [7], and bushing [8].
  • Page 156: Removing The Feeder Unit Inside Sensor

    Chapter 3   [11] F-3-311 4) Detach the platen roller [11] from the roll holder [12]. F-3-313 3.5.2.15 Removing the Feeder Unit Inside Sensor 0007-2283 1) Remove the 2 screws [1], and detach the sensor unit [2]. F-3-312 When mounting the platen roller [11], and the roll holder, be sure that the roll shaft [13] is fitted in the cut-off [14] of the base.
  • Page 157: Document Width Volume

    Chapter 3 3.5.3 Document Width Volume 3.5.3.2 Removing the Original Width Volume 0007-2285 3.5.3.1 Removing the Front Cover 1) Lift the original pickup tray. 0007-2755 2) Remove the 4 screws [1], and detach the 1) Open the feeder cover [1], and remove cover [2].
  • Page 158: Mounting The Original Width Volume

    Chapter 3   F-3-318 F-3-319 3.5.3.3 Mounting 3.5.4 Cover Open/Closed Original Width Sensor Volume 0007-2286 1) Spread the side guide [1] to its fullest. 3.5.4.1 Removing the 2) Turn the gear [2] fully counterclockwise Rear Cover (viewing from the gear side); then, 0007-2730 adjust and mount it so that the arrows [3] 1) Open the feeder cover and the original...
  • Page 159: Removing The Cover Open/Closed Sensor

    Chapter 3 2) Remove the 2 screws [2], and detach the rear cover [3]. Be sure to detach the cover while feeding the 3 claws [4] of the rear cover. F-3-322 3.5.5 Document Set Sensor 3.5.5.1 Removing the Rear Cover 0007-2732 F-3-321 1) Open the feeder cover and the original...
  • Page 160: Removing The Original Placement Sensor

    Chapter 3   feeding the 3 claws [4] of the rear cover. 3.5.6 Pressurization Solenoid 3.5.6.1 Removing the Rear Cover 0007-2733 1) Open the feeder cover and the original pickup tray; then, remove the screw [1]. F-3-324 3.5.5.2 Removing the Original Placement F-3-326...
  • Page 161: Removing The Adf Controller Pcb

    Chapter 3 3.5.6.3 Removing the Locking Solenoid 0007-2293 1) Remove the 2 screws [1], self-tapping screw [2], and the other screw [3]; then, detach the locking solenoid [4]. F-3-327 3.5.6.2 Removing the ADF Controller PCB 0007-2844 F-3-329 1) Disconnect all connectors of the ADF When mounting the locking solenoid, controller PCB.
  • Page 162: Chapter 4 Maintenance

      Chapter 4 Maintenance...
  • Page 163 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...............4-4 4.2.1 Periodically Replaced Parts..............4-4 4.2.1.1 Periodically Replaced Parts............4-4 4.2.2 Durables ....................4-4 4.2.2.1 Durables ..................4-4 4.2.3 Periodical Servicing ................4-5 4.2.3.1 Scheduled Servicing..............4-5 4.2.4 Cleaning ....................4-8 4.2.4.1 ADF Components.................4-8 4.2.4.2 Rollers and Guides ...............4-8 4.2.4.3 Applying Silicone Oil to the Reading Glass (copyboard glass).4-12 4.3 Adjustment ....................4-14...
  • Page 164: User Maintenance

    Chapter 4 4.1 User Maintenance 4.1.1 Cleaning 0006-2337 Advise the user to clean the following as necessary for every 10,000 prints without fail: T-4-1 Item Method Intervals Remarks White plate (copyboard Wipe with a cloth As necessary cover) moistened with water or mild Copyboard glass (large/ As necessary, or...
  • Page 165: Replacement

    Chapter 4   F-4-2 [1] Copyboard glass (large) [2] Copyboard glass retainer [3] Vertical size plate [4] Copyboard glass (small) [5] White plate 4.1.2 Replacement 0006-2338 1. Replacing the Stamp (if equiped with a fax) 1) Open the feeder cover and the separation guide. 2) Detach the stamp using tweezers.
  • Page 166 Chapter 4 Be sure to push in the stamp until a click is felt. Otherwise, jams can occur.
  • Page 167: Maintenance And Inspection

    Chapter 4   4.2 Maintenance and Inspection 4.2.1 Periodically Replaced Parts 4.2.1.1 Periodically Replaced Parts 0006-2339 The machine does not have parts that must be replaced on a periodical basis. 4.2.2 Durables 4.2.2.1 Durables 0006-2340 Some parts of the machine may need replacement once or more over the period of product warranty because of wear or damage.
  • Page 168: Periodical Servicing

    Chapter 4 4.2.3 Periodical Servicing 4.2.3.1 Scheduled Servicing 0006-2341 Do not use solvents/oils other than those indicated. The presence of paper lint or dust on the roller or scraper can cause black lines in images. Be sure to clean them carefully. T-4-3 Ref.
  • Page 169 Chapter 4   Ref. Parts name Scheduled servicing Remarks 40,000 sheets 80,000 sheets Original pickup tray clean Separate guide (including sheet) clean Open/close frame, open/close guide clean Feed frame (including sheet) clean Platen guide L clean Platen guide R clean Reversing flapper clean Reversing left guide sheet...
  • Page 170 [16] [25] [26] [24] [22] [23] [20] [21] F-4-5 [27] F-4-6...
  • Page 171: Cleaning

    Chapter 4   4.2.4 Cleaning 4.2.4.1 ADF Components 0006-2343 1. Platen Roller Wipe the platen roller [1] using a cloth moistened with water (well wrung) or alcohol; then, dry wipe it. 2. White Plastic Sheet Wipe the white plastic sheet [3] with a cloth moistened with water (well wrung) or alcohol; then, dry wipe it.
  • Page 172 Chapter 4 F-4-8 2. Pickup Roller and Separation Roller 1) Open the feeder cover. 2) Clean the pickup roller [1] and the separation roller [2] using lint-free paper moistened with alcohol. 3) Likewise, clean the back of the feeder cover and the area around the separation roller coming into contact with paper.
  • Page 173 Chapter 4   F-4-10 4. Upper registration Roller, Lower Registration Roller, and Separation Guide 1) Open the feeder cover and the separation guide. 2) Clean the upper registration roller [1] and the lower registration roller [2] using lint-free paper moistened with alcohol. 3) Clean the top face and the bottom face of the separation guide, and clean the plastic sheet [3].
  • Page 174 Chapter 4 reversing roller [2]; while doing so, clean them with lint-free paper moistened with alcohol. 4) Fit the front cover back on. F-4-12 6. Reversing Flapper 1) Open the feeder cover and the separation guide. 2) Clean the area of the reversing flapper where paper comes into contact using lint-free paper moistened with alcohol.
  • Page 175: Applying Silicone Oil To The Reading Glass (Copyboard Glass)

    Chapter 4   4.2.4.3 Applying Silicone Oil to the Reading Glass (copyboard glass) 0006-2346 1. Items to Prepare i. silicone oil F-4-14 ii. cleaning tissue F-4-15 2. Before Starting the Work 1) Cleaning the Reading Glass - Dry-wipe the reading glass [1] using cleaning tissue. Here, do not moisten the cleaning tissue with silicone oil as yet.
  • Page 176 Chapter 4 3. Applying Silicone Oil 1) Squeeze the silicone oil bottle [1] 2 to 3 times to moisten the cleaning tissue [2] with it. Don't absorb the mist of silicone oil. F-4-17 2) Apply silicone oil to the reading glass [1] with cleaning tissue. Thereafter, check to see that the glass has fully been cleaned.
  • Page 177: Adjustment

    Chapter 4   either AB-configuration adjustment or 4.3 Adjustment inch-configuration adjustment. 4.3.1 Basic Adjustment 1. AB-Configuration Adjustment 1) Start service mode. 4.3.1.1 Overview 0006-2347 Starting Service Mode Press the User Mode key, press the 2 and 8 Go through the following in sequence: keys at the same time, and press the User [1] tray width adjustment*1 Mode key once gain.
  • Page 178: Adjusting The Height

    Chapter 4 host machine. 4.3.1.3 Adjusting 2. Inch-Configuration Adjustment Height 0006-2349 1) Start service mode. 1. Making Pre-Checks Starting Service Mode Check to see that that the original butting Press the User Mode key, press the 2 and 8 segment on the pickup side is in full keys at the same time, and press the User contact with the copyboard glass at both Mode key once again.
  • Page 179: Adjusting The Height

    Chapter 4   adjusting screw clockwise so that the front will be in contact with the glass. - if the rear or both sides are not in contact, turn adjusting screw counterclockwise so that the rear will be in contact with the glass. F-4-20 2.
  • Page 180: Adjusting The Magnification

    Chapter 4 height adjusting screw [1] of the right MEMO hinge to make adjustments. The Test Chart is printed on the back cover of the Installation Procedure. Make a copy of the Chart or cut it off for use. Be sure to loosen the fixing nut [2] prior to the adjustment, and tighten it 2) Check the right angles of the image back after the adjustment.
  • Page 181 Chapter 4   F-4-25 F-4-27 F-4-28 F-4-26 - If A>B, turn the adjustment screw 4) Turn the hinge adjusting screw [1] of the clockwise. right hinge to adjust the angle of the - if A <B, turn the adjusting screw DADF.
  • Page 182: Adjusting The Horizontal Registration

    Chapter 4 decide on the best setting.) 4.3.1.5 Adjusting Read Position 0006-2352 1) Start service mode. 4.3.1.6 Adjusting [Starting Service Mode] Magnification Press the User Mode key, press the 2 and 8 0006-2353 keys at the same time, and press the User 1) Place the Test Chart in the DADF, and Mode key once again.
  • Page 183 Chapter 4   for the horizontal registration; as 3 DOCST necessary, make following adjustments: 4.3.1.9 Adjusting - if the image is displaced to the front, White Level 0006-2356 decrease the setting. - if the image is displaced to the rear, MEMO increase the setting.
  • Page 184: Adjustment At Time Of Parts Replacement

    Chapter 4 adjustments. 6) Press [DF-WLVL2] on the touch panel to highlight. 3) Tighten the screws [3] [4]. 7) Press [OK]. 4) Attach the cover after the adjustment. - The machine executes auto adjustment 5) Make a copy of the Test Chart once (duplex stream reading).
  • Page 185: Outline Of Electrical Components

    Chapter 4   4.4 Outline of Electrical Components 4.4.1 Motors, Clutches, Solenoids, PCBs, and Others 0006-2359 <sensors> T-4-4 Parts Relay Ref. Name controlle JAM code number r PCB registration paper sensor WG8-5624 0003, 0004, 0005, 0044, 0045, 0094 WG8-5624 0005, 0006, 0007, 0045, 0046, 0047, read sensor 0094 delivery reversal sensor...
  • Page 186 Chapter 4 <Motors, Clutches, Solenoids, PCBs, and Others> PI10 F-4-31 T-4-5 Parts control Ref. Name Description E code number Motor feeder motor FH5-1128 pickup motor FH5-1129 Solenoid locking solenoid FL2-2954 stamping solenoid FK2-0216 Clutch pickup clutch FM2-2961 FG3-3756 ADF controller PCB controls ADF relays signals for sensor on original FG3-3758...
  • Page 187 Chapter 4   PCB2 PCB1 F-4-32 4-24...
  • Page 188: Variable Resistors (Vr), Light-Emitting Diodes (Led), And Check Pins By Pcb

    Chapter 4 4.5 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB 4.5.1 Overview 0006-2361 Of the LEDs and check pins used in the machine, those needed in the field are discussed: Do not touch the check pins that are not indicated herein; they are for use at the factory and require high precision and special tools (including instruments).
  • Page 189: Relay Pcb

    Chapter 4   4.5.3 Relay PCB 0006-2364 F-4-34 4.5.4 Original Placement LED PCB 0006-2365 F-4-35 4-26...
  • Page 190: Chapter 5 Error Code

      Chapter 5 Error Code...
  • Page 191 Contents Contents 5.1 Overview ....................5-1 5.1.1 Overview .....................5-1 5.2 User Error Code ..................5-2 5.2.1 Alarm Code List..................5-2 5.3 Service Error Code..................5-3 5.3.1 Error Code List..................5-3 5.4 Jam Codes ....................5-4 5.4.1 Jam Code List..................5-4...
  • Page 192: Overview

    Chapter 5 5.1 Overview 5.1.1 Overview 0006-2368 The CPU on the machine's ADF controller PCB is equipped with a mechanism to run a self check, which will flash the Original Placement indicator upon detection of a fault and communicate to the host machine by means of code. The communication may be any of the following 3 types, each causing the Original Placement indicator to flash in its own way: T-5-1 Error type...
  • Page 193: User Error Code

    Chapter 5   5.2 User Error Code 5.2.1 Alarm Code List 0006-2369 You can check the codes used for different alarms using the service mode of the host machine. T-5-2 Display Error description Machine operation Host Resetting code machine operation 03xx The machine has failed to Stops operation, and...
  • Page 194: Service Error Code

    Chapter 5 5.3 Service Error Code 5.3.1 Error Code List 0006-6074 T-5-3 Detail Code Description Type Remedy code E400 0001 Disconnect and then connect the connector. Check sum error Replace the reader controller PCB. Replace the ADF controller PCB. 0002 Disconnect and then connect the connector.
  • Page 195: Jam Codes

    Chapter 5   5.4 Jam Codes 5.4.1 Jam Code List 0007-3392 T-5-4 Code Name Sensor No. Description 0003 Registration paper sensor delay 1) The registration paper sensor cannot detect paper within 1.5 seconds after start of separation. 2) The registration paper sensor cannot detect paper if the paper is fed specified distance after reversal.
  • Page 196 Chapter 5 Code Name Sensor No. Description 0046 First read sensor detention Jam due to read sensor detention at the first original 0047 First delivery reversal sensor PI3,PI4 Jam due to delivery reversal sensor delay at unreached the first original 0048 First delivery reversal sensor Jam due to delivery reversal sensor detention...
  • Page 197 Appendix...
  • Page 198 DADF-N1 General Circuit Diagram Original Placement Feed Motor Pickup Motor Stamp Solenoid Pickup Clutch Locking Solenoid LED PCB I/F Connector 3 2 1 J401 J402 7 6 5 4 3 2 1 4 3 2 1 J403 8 7 6 5 4 3 2 1...