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Canon LBP3200 - LBP 3200 B/W Laser Printer Service Manual

Desk-top page printer.
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Service Manual

LBP3200 Series
LBP3200
Sep 30 2003

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Table of Contents

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   Summary of Contents for Canon LBP3200 - LBP 3200 B/W Laser Printer

  • Page 1: Service Manual

    Service Manual LBP3200 Series LBP3200 Sep 30 2003...
  • Page 3 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 4: 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 5 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 7: Table Of Contents

    Contents Contents Chapter 1 PRODUCT DESCRIPTION 1.1 PRODUCT SPECIFICATIONS........................1- 1 1.1.1Product Specifications ..........................1- 1 1.2 Detailed Specifications............................1- 3 1.2.1Printing Speed ............................. 1- 3 1.2.2Stack Upon Delivery ........................... 1- 3 1.3 NAMES OF PARTS ............................1- 5 1.3.1External View.............................. 1- 5 1.4 SAFETY ................................
  • Page 8 Contents 3.3 LASER EXPOSURE SYSTEM ........................3- 17 3.3.1 Laser Scanner Unit ............................ 3- 17 3.4 PICKUP AND FEEDING SYSTEM....................... 3- 19 3.4.1 Cassette Pickup Roller ..........................3- 19 3.4.2 Cassette Separation Pad ..........................3- 21 3.4.3 Cassette Pickup solenoid ........................... 3- 22 3.4.4 Gear Unit ..............................
  • Page 9 Contents 5.2 Countermeasures ............................... 5- 2 5.2.1 Image Faults..............................5- 2 5.2.2 Malfunction..............................5- 2 5.2.3 Jam (Main Unit) ............................5- 3 5.3 MEASUREMENT AND ADJUSTMENT......................5- 4 5.3.1 Basic Adjustment ............................5- 4 5.4 SERVICE TOOLS ............................5- 5 5.4.1Special Tools ...............................
  • Page 11: Chapter 1 product Description

    Chapter 1 PRODUCT DESCRIPTION...
  • Page 13 Contents Contents 1.1 PRODUCT SPECIFICATIONS........................1-1 1.1.1 Product Specifications ..........................1-1 1.2 Detailed Specifications............................1-3 1.2.1 Printing Speed ............................. 1-3 1.2.2 Stack Upon Delivery ........................... 1-3 1.3 NAMES OF PARTS ............................1-5 1.3.1 External View.............................. 1-5 1.4 SAFETY ................................1-7 1.4.1 Safety of Laser Light ...........................
  • Page 15: Product Specifications

    Chapter 1 1.1 PRODUCT SPECIFICATIONS 1.1.1 Product Specifications 0002-6360 Body installation Desk-top page printer method Photosensitive medium OPC drum Exposure method Semi-conductor laser Development method Toner projection Transfer method Roller transfer Separation method Curvature/bias on static eliminator Cassette pickup method Pad separation Multifeeder pickup Single feed...
  • Page 16 Chapter 1   Multi-purpose paper Plain paper (64 to 90 g/m2), Heavy paper (91 to 163 g/ type m2), Transparency, Label, Envelope Cassette capacity Approx. 250 sheets (Plain paper, 64 to 80 g/m2); Approx. 100 sheets (Heavy paper, 91 to 128 g/m2); Approx.
  • Page 17: Detailed Specifications

    Chapter 1 1.2 Detailed Specifications 1.2.1 Printing Speed 0002-6870 T-1-1 Fixing mode Paper size P l a i n P l a i n H e a v y H e a v y Transpare paper paper L paper paper H A4 (64 to 90 g/m2) B5 (64 to 90 g/m2) A5 (64 to 90 g/m2)
  • Page 18 Chapter 1   Paper type Face-down Face-up Transparency Approx. 5 sheets (for 120V model) 1 sheet Approx. 10 sheets (for 230V model) Label Approx. 10 sheets 1 sheet Envelope Approx. 10 sheets 1 sheet The values herein are estimates only and are subject to change for product improvement.
  • Page 19: Names Of Parts

    Chapter 1 1.3 NAMES OF PARTS 1.3.1 External View 0002-9016 <Front View> F-1-1 T-1-3 [1] Face-down delivery tray [5] Cassette [2] Face-down delivery area [6] Manual feed slot [3] Delivery selection cover [7] Paper guide [4] Power switch [8] Front cover <Rear View>...
  • Page 20 Chapter 1   F-1-2 T-1-4 [1] Power socket [4] Ventilation slot [2] face-up delivery slot [5] USB connector [3] Power indicator [6] Cassette protective cover...
  • Page 21: Safety

    The following is the label used to indicate that the product has been certified under the regulations, and all laser products sold in the US must bear the label. CANON 30-2, SHIMOMARUKO, 3-CHOME, OHTAKU, TOKYO, 146, JAPAN.
  • Page 22: 4safety Of Toner

    Chapter 1   F-1-4 1.4.4 Safety of Toner 0002-4556 The machine's toner is a non-toxic material composed of plastic, iron, and small amounts of dye. Do not put the toner into fire. It may explode. Toner on the Skin or Clothes 1.
  • Page 23: Chapter 2 technical Reference

    Chapter 2 TECHNICAL REFERENCE...
  • Page 25 Contents Contents 2.1 LASER EXPOSURE SYSTEM......................... 2-1 2.1.1 Overview/Configuration..........................2-1 2.1.1.1 Overview .............................. 2-1 2.2 IMAGE FORMATION SYSTEM ........................2-3 2.2.1 Overview/Configuration..........................2-3 2.2.1.1 Overview .............................. 2-3 2.3 PICKUP AND FEEDING SYSTEM ......................... 2-5 2.3.1 Overview/Configuration..........................2-5 2.3.1.1 Overview .............................. 2-5 2.3.2 Detecting Jams ............................
  • Page 27: Laser Exposure System

    Chapter 2 2.1 LASER EXPOSURE SYSTEM 2.1.1 Overview/Configuration 2.1.1.1 Overview 0002-4749 F-2-1 T-2-1 [1] Laser driver PCB [5] Imaging lends [2] BD sensor [6] Scanner motor [3] Reflecting mirror [7] 4-facet mirror [4] Photosensitive drum [8] Cylindrical lens The machine's laser scanner assembly consists of the laser driver and the scanner motor, which are driven by signals coming from the engine controller.
  • Page 28 Chapter 2   and the reflecting mirror to reach and focus on the photosensitive drum. When the 4-facet mirror rotates at a specific speed, the laser beam scans the photosensitive drum in keeping with the mirror rotation, thus drawing static images on the photosensitive drum. Memo: BD Fault The machine identifies a BD fault if it does not detect the /BDI signal within 0.1 sec after the scanner motor is...
  • Page 29: Image Formation System

    Chapter 2 2.2 IMAGE FORMATION SYSTEM 2.2.1 Overview/Configuration 2.2.1.1 Overview 0002-8228 F-2-2 T-2-2 [1] Laser/scanner assembly [5] Photosensitive drum [2] Laser beam [6] Transfer charging roller [3] Blade [7] Primary charging roller [4] Developing cylinder [8] Cleaning blade In response to a print command, the engine controller turns on the main motor to drive the photosensitive drum, developing cylinder, primary charging roller, and transfer charging roller.
  • Page 30 Chapter 2   Drum Cover Shutter If the surface of the photosensitive drum is exposed to strong light, it develops what is know as "photo memory," which can cause white spots or black lines in images. To protect the drum against light, the machine is equipped with a drum cover shutter.
  • Page 31: Pickup And Feeding System

    Chapter 2 2.3 PICKUP AND FEEDING SYSTEM 2.3.1 Overview/Configuration 2.3.1.1 Overview 0002-8681 [12] [11] [19] [10] [18] [17] [15] [13] [14] [16] F-2-3 T-2-3 [1] Cassette feed [11] Face-down delivery roller [2] Cassette pickup roller [12] Face-down delivery [3] Separation pad [13] Main motor [4] Manual feed [14] Cassette pickup solenoid...
  • Page 32: Detecting Jams

    Chapter 2   [7] Fixing assembly (fixing film, fixing [17] Manual feed paper sensor pressure roller) [8] Delivery roller [18] Top sensor [9] Face-up cover [19] Delivery sensor [10] Face-up delivery Pickup and Feed Operation (from the cassette) If the cassette paper sensor detects the presence of paper while the absence of paper is identified in the manual feed pickup assembly, the machine picks up paper from the cassette.
  • Page 33: Delay Jams

    Chapter 2 Initial Jam The top sensor or the delivery sensor goes on while the main motor is starting to rotate. Cover Open Jam The machine identifies a condition in which the front cover is opened while it is moving paper. 2.3.2.2 Delay Jams 2.3.2.2.1 Pickup Delay Jam 0002-8760...
  • Page 34: Cover Open Jam

    Chapter 2   2.3.2.4.2 Initial Jam 0002-8765 The machine identifies an initial jam if the top sensor or the delivery sensor detects the presence of paper when the main motor starts to rotate. 2.3.2.4.3 Cover Open Jam 0002-8766 The machine identifies a cover open jam if it detects that the front cover is open with the top sensor or the delivery sensor detecting the presence of paper (while paper is being moved or the machine is not running a jam check).
  • Page 35: Fixing System

    Chapter 2 2.4 FIXING SYSTEM 2.4.1 Overview/Configuration 2.4.1.1 Overview 0002-8375 F-2-4 T-2-4 [1] Fixing film unit [2] Fixing heater [3] Pressure roller The machine's fixing system is an on-demand type, and its fixing assembly consists of the fixing film unit and the pressure roller: the fixing film has a built-in fixing heater, thermistor, and thermal fuse.
  • Page 36: Various Control Mechanisms

    Chapter 2   2.4.2 Various Control Mechanisms 2.4.2.1 Protective Functions 2.4.2.1.1 Protective Mechanisms 0002-8543 The machine is equipped with the following 3 types of protective mechanisms used to prevent its fixing heater from going awry. 1. protective mechanism by the CPU 2.
  • Page 37: Detecting A Fault In The Fixing Assembly

    Chapter 2 2.4.2.1.2 Detecting a Fault in the Fixing Assembly 0002-8551 The CPU identifies a fault in the fixing assembly for the following conditions (a. thorough g.) and operates as described: 1. the CPU causes the fixing heater drive signal to go Low to cut off the power to the fixing heater. 2.
  • Page 39 Chapter 3 DISASSEMB LY AND ASSEMBLY...
  • Page 41 Contents Contents 3.1 EXTERNAL AND CONTROLS SYSTEM ...................... 3-1 3.1.1 Rear Cover..............................3-1 3.1.1.1 Removing the Cassette ......................... 3-1 3.1.1.2 Removing the Rear Cover ........................3-1 3.1.2 Right Cover ..............................3-1 3.1.2.1 Removing the Cassette ......................... 3-1 3.1.2.2 Removing the Rear Cover ........................3-1 3.1.2.3 Removing the Top Cover ........................
  • Page 42 3.1.8.8 Removing the Power Supply Assembly ....................3-9 3.1.8.9 Removing the High-Voltage Power Supply Board................3-10 3.1.9 CAPT board ............................... 3-10 3.1.9.1 Removing the Cassette........................3-10 3.1.9.2 Removing the Rear Cover........................3-10 3.1.9.3 Removing the Top Cover........................3-10 3.1.9.4 Removing the Left Cover ........................3-10 3.1.9.5 Removing the CAPT Board........................
  • Page 43 Contents 3.4.2.3 Removing the Cassette Separation Pad ....................3-21 3.4.3 Cassette Pickup solenoid ........................... 3-22 3.4.3.1 Removing the Cassette ........................3-22 3.4.3.2 Removing the Front Cover ......................... 3-22 3.4.3.3 Removing the Rear Cover ........................3-22 3.4.3.4 Removing the Top Cover ........................3-23 3.4.3.5 Removing the Right Cover.........................
  • Page 44 Contents 3.4.7.7 Removing the Gear Unit ........................3-33 3.4.7.8 Removing the Tooth-Missing Gear ....................3-33 3.4.7.9 Removing the Power Supply Shield Plate ..................3-34 3.4.7.10 Removing the Power Supply Assembly ................... 3-34 3.4.7.11 Removing the Manual Pickup Solenoid ................... 3-34 3.5 FIXING SYSTEM ............................
  • Page 45: External And Controls System

    Chapter 3 EXTERNAL 3.1.2 Right Cover CONTROLS SYSTEM 3.1.2.1 Removing the Cassette 0002-3484 1) Remove the cassette by holding the cassette handle. 3.1.1 Rear Cover 3.1.2.2 Removing the Rear 3.1.1.1 Removing the Cassette 0002-3466 Cover 0002-3487 1) Remove the cassette by holding the cassette handle. 1) Open the face-up cover [1], and remove the left/ right shaft [2];...
  • Page 46: Right Cover

    Chapter 3   the front cover has already been removed.) 3.1.3.2 Removing the Rear 2) Free the 2 claws [1], and detach the top cover [2]. Cover 0002-3488 1) Open the face-up cover [1], and remove the left/ right shaft [2]; then, detach the face-up cover. F-3-5 3.1.2.4 Removing the Right Cover...
  • Page 47: Top Cover

    Chapter 3 F-3-9 3.1.3.4 Removing the Left F-3-11 Cover 0002-3501 2) Shift down the left/right fixing pressure release 1) Remove the screw [1]. lever [1] to release the pressure. 2) Free the claw [2] at the rear; then, free the claw [4] 3) Remove the 2 screws [2].
  • Page 48: Front Cover

    Chapter 3   F-3-13 3.1.5 Front Cover F-3-15 2) Shift down the left/right fixing pressure release 3.1.5.1 Removing the Front lever [1] to release the pressure. Cover 0002-3448 3) Remove the 2 screws [2]. 1) Open the front cover [1], and free the claw [2] of the 4) Free the 2 claws [3] at the bottom;...
  • Page 49: Power Supply Board

    Chapter 3 F-3-17 F-3-19 3.1.6.4 Removing the Left Cover 0002-3586 3.1.7 Power supply board 1) Remove the screw [1]. 2) Free the claw [2] at the rear; then, free the claw [4] 3.1.7.1 Removing the Cassette 0002-3735 at the front bottom as by sliding the bottom of the left cover [3] to the front.
  • Page 50 Chapter 3   F-3-23 3.1.7.5 Removing the Right F-3-21 Cover 0002-3742 2) Shift down the left/right fixing pressure release 1) Remove the screw [1]. lever [1] to release the pressure. 2) Free the claw [2] at the rear; then, free the claw [4] 3) Remove the 2 screws [2].
  • Page 51: High-voltage Board

    Chapter 3 3) Push down the front of the power supply assembly [2] while feeding the left/right boss [2]; then, slide it out to detach. F-3-25 3.1.7.7 Removing the Power F-3-28 Supply Shield Plate 0002-3746 3.1.7.9 Removing the Power 1) Remove the 5 screws [1], and detach the power supply shield plate [2].
  • Page 52 Chapter 3   cover. F-3-32 3.1.8.4 Removing the Top Cover 0002-3741 F-3-30 1) Open the front cover. (This step may be skipped if the front cover has already been removed.) 3.1.8.3 Removing the Rear 2) Free the 2 claws [1], and detach the top cover [2]. Cover 0002-3739 1) Open the face-up cover [1], and remove the left/...
  • Page 53: Removing The Power Supply Assembly

    Chapter 3 F-3-36 3.1.8.8 Removing the Power F-3-34 Supply Assembly 0002-3751 1) Remove the 3 screws [1]. 3.1.8.6 Removing the Left 2) Disconnect the 4 connectors [2], and free the flat Cover 0002-3745 cable [3] of the engine controller board. 1) Remove the screw [1].
  • Page 54: Removing The High-voltage Power Supply Board

    Chapter 3   3.1.8.9 Removing the High- 4) Free the 2 claws [3] at the bottom; then, slide the rear cover [4] to the rear to detach. Voltage Power Supply Board 0002-3749 1) Remove the flat cable [1]. 2) Remove the 3 screws [2], and detach the high- voltage power supply board [3].
  • Page 55: Removing The Cassette

    Chapter 3 F-3-43 F-3-45 3.1.9.5 Removing the CAPT 3.1.10.3 Removing the Rear Board 0002-3596 Cover 0002-3763 1) Removing the flat cable [1]. 1) Open the face-up cover [1], and remove the left/ 2) Remove the 3 screws [2], and detach the CAPT right shaft [2];...
  • Page 56: Removing The Top Cover

    Chapter 3   F-3-47 F-3-49 3.1.10.4 Removing the Top Cover 0002-3766 3.1.10.6 Removing the Left 1) Open the front cover. (This step may be skipped if Cover 0002-3772 the front cover has already been removed.) 1) Remove the screw [1]. 2) Free the 2 claws [1], and detach the top cover [2].
  • Page 57: Removing The Power Supply Assembly

    Chapter 3 3.1.10.9 Removing the Top Sensor 0002-3781 1) Shift down the main unit so that its front faces down (i.e., the inside of the main unit is in view). 2) Disconnect the connector [1] of the engine controller board, and free the cable from the cable guide.
  • Page 58: Removing The Cassette

    Chapter 3   2) Shift down the left/right fixing pressure release lever [1] to release the pressure. 3) Remove the 2 screws [2]. 4) Free the 2 claws [3] at the bottom; then, slide the rear cover [4] to the rear to detach. F-3-58 3.1.11.5 Removing the Power Supply Shield Plate...
  • Page 59 Chapter 3 F-3-60 3-15...
  • Page 60: Image Formation System

    Chapter 3   3.2 IMAGE FORMATION SYSTEM 3.2.1 Transfer Charging Roller 3.2.1.1 Removing the Transfer Charging Roller 0002-3718 1) Open the front cover. 2) Pick the 2 claws [1] on the right side of the roller, and lift it. 3) Slide the transfer charging roller [2] to the right to detach.
  • Page 61: Laser Exposure System

    Chapter 3 LASER EXPOSURE 3.3.1.3 Removing the Top Cover 0002-3685 SYSTEM 1) Open the front cover. (This step may be skipped if the front cover has already been removed.) 3.3.1 Laser Scanner Unit 2) Free the 2 claws [1], and detach the top cover [2]. 3.3.1.1 Removing the Cassette 0002-3683 1) Remove the cassette by holding the cassette handle.
  • Page 62 Chapter 3   controller board, and free the cable from the cable guide. 2) Remove the flat cable [2] from the laser/scanner unit board. 3) Remove the 4 screws [3], and detach the laser/ scanner unit [4]. At this time, take care not to lose the grounding plate [5].
  • Page 63: Pickup And Feeding System

    Chapter 3 PICKUP FEEDING SYSTEM 3.4.1 Cassette Pickup Roller 3.4.1.1 Removing the Cassette 0002-3510 1) Remove the cassette by holding the cassette handle. F-3-68 3.4.1.2 Removing the Front Cover 2) Shift down the left/right fixing pressure release 0002-3513 lever [1] to release the pressure. 1) Open the front cover [1], and free the claw [2] of the 3) Remove the 2 screws [2].
  • Page 64: Removing The Right Cover

    Chapter 3   F-3-70 F-3-72 3.4.1.5 Removing the Right Cover 3.4.1.7 Removing the Gear Unit 0002-3524 0002-3533 1) Remove the screw [1]. 1) Remove the 2 screws [1], and detach the drive plate 2) Free the claw [2] at the rear; then, free the claw [4] (small) [2].
  • Page 65: Removing The Cassette Pickup Roller

    Chapter 3 3.4.2 Cassette Separation Pad 3.4.2.1 Removing the Cassette 0002-2788 1) Remove the cassette by holding the cassette handle. 3.4.2.2 Removing the Rear of the Cassette 0002-2797 F-3-75 1) Lift the rear of the cassette, and separate the rear from the front.
  • Page 66: Cassette Pickup Solenoid

    Chapter 3   F-3-79 F-3-81 4) Remove the 2 claws [1] and remove the cassette separation pad [2] by sliding it up. 3.4.3.3 Removing the Rear Cover 0002-3516 1) Open the face-up cover [1], and remove the left/ right shaft [2]; then, detach the face-up cover. F-3-80 3.4.3 Cassette Pickup solenoid 3.4.3.1 Removing the Cassette...
  • Page 67: Removing The Top Cover

    Chapter 3 F-3-83 F-3-85 3.4.3.4 Removing the Top Cover 0002-3522 3.4.3.6 Removing the Left 1) Open the front cover. (This step may be skipped if Cover 0002-3528 the front cover has already been removed.) 1) Remove the screw [1]. 2) Free the 2 claws [1], and detach the top cover [2]. 2) Free the claw [2] at the rear;...
  • Page 68: Removing The Power Supply Assembly

    Chapter 3   3.4.3.9 Removing the Cassette Pickup Solenoid 0002-3754 1) Shift down the main unit so that its front faces down (i.e., the inside of the main unit is in view). 2) Disconnect the connector [1] of the engine controller board and free the cable from the cable guide.
  • Page 69: Removing The Rear Cover

    Chapter 3 F-3-93 F-3-91 3.4.4.4 Removing the Top Cover 0002-3692 3.4.4.3 Removing the Rear 1) Open the front cover. (This step may be skipped if Cover 0002-3691 the front cover has already been removed.) 1) Open the face-up cover [1], and remove the left/ 2) Free the 2 claws [1], and detach the top cover [2].
  • Page 70: Removing The Left Cover

    Chapter 3   F-3-97 2) Remove the 2 gears [1]. F-3-95 3) While freeing the claw, detach the gear unit [2]. 3.4.4.6 Removing the Left Cover 0002-3694 1) Remove the screw [1]. 2) Free the claw [2] at the rear; then, free the claw [4] at the front bottom as by sliding the bottom of the left cover [3] to the front.
  • Page 71: Removing The Rear Cover

    Chapter 3 F-3-101 F-3-99 3.4.5.4 Removing the Top Cover 0002-3770 3.4.5.3 Removing the Rear 1) Open the front cover. (This step may be skipped if Cover 0002-3762 the front cover has already been removed.) 1) Open the face-up cover [1], and remove the left/ 2) Free the 2 claws [1], and detach the top cover [2].
  • Page 72: Removing The Left Cover

    Chapter 3   F-3-105 3.4.5.8 Removing the Power F-3-103 Supply Assembly 0002-3779 1) Remove the 3 screws [1]. 3.4.5.6 Removing the Left 2) Disconnect the 4 connectors [2], and free the flat Cover 0002-3771 cable [3] of the engine controller board. 1) Remove the screw [1].
  • Page 73: Removing The Main Motor

    Chapter 3 3.4.5.9 Removing the Main 3.4.6.3 Removing the Rear Motor Cover 0002-3780 0002-3700 1) Shift down the main unit so that its front faces down 1) Open the face-up cover [1], and remove the left/ (i.e., the inside of the main unit is in view). right shaft [2];...
  • Page 74: Removing The Right Cover

    Chapter 3   F-3-112 F-3-114 3.4.6.5 Removing the Right Cover 3.4.6.7 Removing the Gear Unit 0002-3705 0002-3710 1) Remove the screw [1]. 1) Remove the 2 screws [1], and detach the drive plate 2) Free the claw [2] at the rear; then, free the claw [4] (small) [2].
  • Page 75: Removing The Engine Controller Board

    Chapter 3 3.4.6.10 Removing the Manual Feed Stay 0002-3715 1) Remove the 3 screws [1], and detach the manual feed stay [2] while paying attention to the sensor flag. F-3-117 2) Remove the spring [1]. 3) While freeing the claw, detach the tooth-missing gear [2].
  • Page 76: Multi-purpose Pickup Solenoid

    Chapter 3   F-3-122 3.4.7 Multi-purpose Pickup Solenoid F-3-124 2) Shift down the left/right fixing pressure release 3.4.7.1 Removing the Cassette 0002-3697 lever [1] to release the pressure. 1) Remove the cassette by holding the cassette handle. 3) Remove the 2 screws [2]. 4) Free the 2 claws [3] at the bottom;...
  • Page 77: Removing The Right Cover

    Chapter 3 F-3-126 F-3-128 3.4.7.5 Removing the Right Cover 3.4.7.7 Removing the Gear Unit 0002-3706 0002-3711 1) Remove the screw [1]. 1) Remove the 2 screws [1], and detach the drive plate 2) Free the claw [2] at the rear; then, free the claw [4] (small) [2].
  • Page 78: Removing The Power Supply Shield Plate

    Chapter 3   cable [3] of the engine controller board. F-3-131 2) Remove the spring [1]. F-3-134 3) While freeing the claw, detach the tooth-missing gear [2]. 3) Push down the front of the power supply assembly [2] while feeding the left/right boss [2]; then, slide it out to detach.
  • Page 79 Chapter 3 F-3-136 3-35...
  • Page 80: Fixing System

    Chapter 3   3.5 FIXING SYSTEM 3.5.1 Fixing Pressure Roller 3.5.1.1 Removing the Cassette 0002-3720 1) Remove the cassette by holding the cassette handle. 3.5.1.2 Removing the Front F-3-138 Cover 0002-3722 1) Open the front cover [1], and free the claw [2] of the 2) Shift down the left/right fixing pressure release arm to separate.
  • Page 81: Removing The Right Cover

    Chapter 3 F-3-140 F-3-142 3.5.1.5 Removing the Right Cover 3.5.1.7 Removing the Fixing 0002-3728 Film Unit 1) Remove the screw [1]. 0002-3732 2) Free the claw [2] at the rear; then, free the claw [4] 1) Remove the 2 screws [1], and detach the fixing at the front bottom as by sliding the bottom of the cover.
  • Page 82: Removing The Fixing Pressure Roller

    Chapter 3   controller board, and free the cable from the cable clamp. 4) Disconnect the connector [2] of the power supply board. 5) Remove the left/right pressure spring and grounding spring [3]. 6) Remove the left/right pressure plate [4]. F-3-147 3) Lift the shorter shaft [2] of the fixing pressure roller [1] at an angle to detach it from the bushing;...
  • Page 83: Removing The Rear Cover

    Chapter 3 F-3-151 F-3-149 3.5.2.4 Removing the Top Cover 0002-3725 3.5.2.3 Removing the Rear 1) Open the front cover. (This step may be skipped if Cover 0002-3723 the front cover has already been removed.) 1) Open the face-up cover [1], and remove the left/ 2) Free the 2 claws [1], and detach the top cover [2].
  • Page 84: Removing The Left Cover

    Chapter 3   F-3-155 F-3-153 2) Remove the 2 screws [1], and detach the fixing 3.5.2.6 Removing the Left entrance guide [2] by sliding it to the left and right. Cover 0002-3729 1) Remove the screw [1]. 2) Free the claw [2] at the rear; then, free the claw [4] at the front bottom as by sliding the bottom of the left cover [3] to the front.
  • Page 85 Chapter 3 7) While holding the left/right frame [2] of the fixing film unit [1], life it at an angle to detach the fixing film unit. F-3-158 3-41...
  • Page 87 Chapter 4 MAINTENAN CE AND INSPECTION...
  • Page 89 Contents Contents 4.1 Periodically Replaced Parts..........................4-1 4.1.1 Parts Requiring Periodical Replacement ..................... 4-1 4.2 Consumables ..............................4-2 4.2.1 Consumable ..............................4-2 4.3 Periodical Service............................... 4-3 4.3.1 Items Requiring Scheduled Servicing ......................4-3 4.4 Cleaning................................4-4 4.4.1 Items Requiring Cleaning..........................4-4 4.4.2 Cleaning Method (external covers) ......................
  • Page 91: Periodically Replaced Parts

    Chapter 4 4.1 Periodically Replaced Parts 4.1.1 Parts Requiring Periodical Replacement 0002-4267 The machine does not have parts that require periodical replacement.
  • Page 92: Consumables

    Chapter 4   4.2 Consumables 4.2.1 Consumable 0002-4308 T-4-1 Work by Item Interval (guide) User EP-26 toner cartridge every 2500 prints (approx.) Service None technician...
  • Page 93: Periodical Service

    Chapter 4 4.3 Periodical Service 4.3.1 Items Requiring Scheduled Servicing 0002-4268 The machine does not have items that require scheduled servicing.
  • Page 94: Cleaning

    Chapter 4   4.4 Cleaning 4.4.1 Items Requiring Cleaning 0002-4316 T-4-2 Work by Item Intervals User External covers As needed (when soiled) Service Cassette pickup roller When paper pickup performance technician has lowered Cassette separation pad When paper separation performance has lowered Feed roller When paper feed performance has lowered...
  • Page 95: Cleaning Method (external Covers)

    Chapter 4 4.4.2 Cleaning Method (external covers) 0002-4545 Moisten a soft cloth with water or solution of mild detergent, making sure it is well wrung; then, wipe the soiling. If you have used detergent, be sure to remove its residue using a soft, moist cloth. After removing all soiling, dry wipe the area with a soft, dry cloth.
  • Page 96 Chapter 4   [5] Static Eliminator Remove dust and paper lint using a brush. [6] Paper Feed Guide Use lint-free paper to remove soiling. [7] Fixing Inlet Guide Use lint-free paper moistened with isopropyl alcohol to remove the soiling. [8] Fixing Film Use lint-free paper to remove soiling.
  • Page 97: Lubrications

    Chapter 4 4.5 Lubrications 4.5.1 Areas Requiring Application of Grease 0002-4235 The machine has areas that require grease to permit smooth movement of parts or ensure good electrical conductivity. If you have replaced a part in these areas or if you have removed the grease, be sure to apply grease. [14] [16] [10]...
  • Page 98: Fixing Drive Transmission Gear

    Chapter 4   F-4-3 4.5.3 Fixing Drive Transmission Gear 0002-4240 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 10 +/-5 mg Location of application: - 2 locations on gear butting ribs in opposition - spread in circumferential direction over a length of 1/4 or more F-4-4 4.5.4 Large Gear Bushing R 0002-4248...
  • Page 99: Large Gear

    Chapter 4 F-4-5 4.5.5 Large Gear 0002-4249 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 20 +/-10 mg Location of application: - rib against which gear is butted - spread in circumferential direction over a length of 1/2 or more F-4-6 4.5.6 Feed Gear 0002-4250...
  • Page 100: Internal Gear

    Chapter 4   F-4-7 4.5.7 Internal Gear 0002-4251 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 40 +/-10 mg Location of application: - 5 teeth or more of internal gear in opposition - 2 locations in circumferential direction F-4-8 4.5.8 Large Gear Deceleration Gear/Plate R 0002-4252 Area of application: [1] Grease: MOLYKOTE EM-50L...
  • Page 101: Main Motor

    Chapter 4 - spread in axial direction F-4-9 4.5.9 Main Motor 0002-4255 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 40 +/-10 mg Location of application: - 5 teeth or more (covering entire gear width) F-4-10 4-11...
  • Page 102: Drive Releasing Arm

    Chapter 4   4.5.10 Drive Releasing Arm 0002-4256 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 10 +/-5 mg Location of application: - 4 locations on sliding surface against gear support shaft of drive releasing arm F-4-11 4.5.11 FU Delivery Roller 0002-4260 Area of application: [1] Grease: MOLYKOTE 41...
  • Page 103: Pickup Idler Gear

    Chapter 4 F-4-12 4.5.12 Pickup Idler Gear 0002-4258 Are of application: [1] Grease: MOLYKOTE EM-50L Amount: 10 +/-5 mg Location of application: - 2 locations on pickup idler gear support shaft - 5 teeth or more (covering entire large-diameter tooth surface of pickup idler gear) F-4-13 4.5.13 Feed Deceleration Gear 0002-4259...
  • Page 104: Fixing Deceleration Gear

    Chapter 4   - spread in axial direction F-4-14 4.5.14 Fixing Deceleration Gear 0002-4261 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 40 +/-10 mg Location of application - 5 teeth or more (covering entire surface of fixing deceleration gear; small-diameter teeth) Area of application: [2] Grease: MOLYKOTE EM-50L Amount: 10 +/-5 mg...
  • Page 105: Fd Delivery Roller

    Chapter 4 4.5.15 FD Delivery Roller 0002-4262 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 30 +/-5 mg Location of application - entire sliding surface against FD delivery bushing F-4-16 4.5.16 Large Gear Bushing F 0002-4263 Area of application: [1] Grease: MOLYKOTE EM-50L Amount: 10 +/-5 mg Location of application:...
  • Page 106: Pressure Roller

    Chapter 4   4.5.17 Pressure roller 0002-4264 Area of application: [1] Grease: MOLYKOTE 41 Amount: 10 +/-10 mg Location of application: - edge of pressure roller shaft (sliding surface against contact spring F) F-4-18 4-16...
  • Page 107 Chapter 5 TROUBLESH OOTING...
  • Page 109 Contents Contents 5.1 PHENOMENON TABLE ..........................5-1 5.1.1 Symptoms ..............................5-1 5.2 Countermeasures ..............................5-2 5.2.1 Image Faults ..............................5-2 5.2.1.1 Smudged/Streaked..........................5-2 5.2.1.1.1 There are vertical black lines or a vertical white line in a solid black image........ 5-2 5.2.2 Malfunction ..............................
  • Page 111: Phenomenon Table

    Chapter 5 5.1 PHENOMENON TABLE 5.1.1 Symptoms 0002-9647 T-5-1 Level 1 classification Description There are vertical black lines or a vertical white line in a solid Image faults black image. Malfunction The machine at times fails to go on when its power is turned on after it has been turned off.
  • Page 112: Countermeasures

    Chapter 5   5.2 Countermeasures 5.2.1 Image Faults 5.2.1.1 Smudged/Streaked 5.2.1.1.1 There are vertical black lines or a vertical white line in a solid black image. 0003-1622 <Cause> The vertical black lines are likely to have been caused by the ribs of the heater holder. The vertical white line is likely to have been caused by the thermal fuse (if it corresponds to the location of the fuse).
  • Page 113: Jam (main Unit)

    Chapter 5 5.2.3 Jam (Main Unit) 5.2.3.1 The machine identifies a jam when it is turned off and then on with paper in its manual feed section. 0003-1626 <Cause> The machine is designed to identify a jam if the manual feed paper sensor is on when it is tuned on, as it is not sure whether the paper is set correctly or incorrectly.
  • Page 114: Measurement And Adjustment

    Chapter 5   5.3 MEASUREMENT AND ADJUSTMENT 5.3.1 Basic Adjustment 5.3.1.1 Items of Adjustment 0002-4265 The machine does not have items that are cited for adjustment.
  • Page 115: Service Tools

    Chapter 5 5.4 SERVICE TOOLS 5.4.1 Special Tools 0002-4333 T-5-2 Tool Description Parts No. Grease(MOLYKOTE EM-50L) Apply to specified areas. HY9-0007 Grease (MOLYKOTE 41) Apply to specified areas. CK-8007...
  • Page 117 Chapter 6 APPENDIX...
  • Page 119: Outline Of Electrical Components

    Contents Contents 6.1 OUTLINE OF ELECTRICAL COMPONENTS ....................6-1 6.1.1 Sensor ................................6-1 6.1.1.1 Arrangement of Sensors and Switches ....................6-1 6.1.2 PCBs ................................6-2 6.1.2.1 Arrangement of PCBs........................... 6-2...
  • Page 121: Outline Of Electrical Components

    Chapter 6 6.1 OUTLINE OF ELECTRICAL COMPONENTS 6.1.1 Sensor 6.1.1.1 Arrangement of Sensors and Switches 0002-4576 F-6-1 [1] Cassette Paper Sensor Used to detect the presence/absence of paper in the cassette. [2] Manual Feed Paper Sensor Used to detect the presence/absence of paper in the manual feed section. [3] Paper Leading Edge Sensor (top sensor) Used to detect the leading/trailing edge of paper being moved.
  • Page 122 Chapter 6   6.1.2 PCBs 6.1.2.1 Arrangement of PCBs 0002-4575 F-6-2 [1] Engine Controller Board Used to control the operation of the printer unit. [2] CAPT Board Used to serve as the interface between a PC and the printer unit. [3] Power Supply Board Used to control the supply of power to various components.
  • Page 123 Sep 30 2003...

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