Canon iR3245 Series Service Manual

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Service Manual
iR3245/3235/3230/3225 Series
Jul 3 2008

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  Summary of Contents for Canon iR3245 Series

  • Page 1 Service Manual iR3245/3235/3230/3225 Series Jul 3 2008...
  • Page 3 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 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 refer- ence 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 Introduction 1.1 System Construction ..........................1- 1 1.1.1 System Configuration of Original Feeding Options ....................1- 1 1.1.2 System Configuration of Pickup/Delivery Options ....................1- 2 1.1.3 System Configuration of Print/Send Options ......................1- 4 1.1.4 Functions of Print/Send Options..........................1- 6 1.2 Product Specifications ..........................1- 7 1.2.1 Names of Parts................................
  • Page 8 Contents 2.2.5 Installing Other Parts .............................2- 11 2.2.6 Fixing the Host Machine ............................2- 13 2.2.7 Connecting the Cable ............................2- 13 2.2.8 Points to Note When Turning OFF the Main Power....................2- 14 2.2.9 Stirring Toner .................................2- 14 2.2.10 Cassette Setting..............................2- 14 2.2.11 APVC Correction of Drum ............................2- 14 2.2.12 Auto Gradation Correction ...........................2- 14 2.2.13 Screen Position Adjustment ..........................2- 15...
  • Page 9 Contents 2.13.3 Installation Procedure ............................2- 39 2.14 Installing the Expansion Bus Kit ......................2- 39 2.14.1 Checking the contents ............................2- 39 2.14.2 Turning Off the Power of the Host Machine......................2- 39 2.14.3 Installation Procedure ............................2- 39 2.15 Installing the Voice Guidance Kit ......................2- 40 2.15.1 Notice At Installation ............................
  • Page 10 Contents 4.5.4 Printer unit Output Image Processing ........................4- 9 4.6 Flow of Image Data ..........................4- 10 4.6.1 Flow of Image Data According to Copy Functions....................4- 10 4.6.2 Flow of Image Data for the Box Function.......................4- 10 4.6.3 Flow of Image Data for the SEND Function......................4- 11 4.6.4 Flow of Image Data for the Fax Transmission .......................4- 11 4.6.5 Flow of Image Data for the Fax Reception Function....................4- 12 4.6.6 Flow of Image Data for the PDL Function......................4- 12...
  • Page 11 Contents 5.3.5.1 Overview ....................................5- 15 5.3.5.2 White Board Dust Detection Control ............................5- 17 5.3.6 Image Processing..............................5- 18 5.3.6.1 Overview ....................................5- 18 5.3.6.2 CCD Drive....................................5- 18 5.3.6.3 Gain Correction and Offset Correction of CCD Output ......................5- 18 5.3.6.4 A/D Conversion of CCD Output .............................
  • Page 12 Contents 6.4.1.1 Before Removing the Laser Unit.............................. 6- 8 6.4.1.2 Removing the Laser Unit ................................. 6- 8 6.4.1.3 After Replacing the Laser Scanner Unit........................... 6- 8 Chapter 7 Image Formation 7.1 Construction ............................... 7- 1 7.1.1 Specifications of the Image Formation System......................7- 1 7.1.2 Major Components of the Image Formation System ....................7- 2 7.2 Image Formation Process ..........................
  • Page 13 Contents 7.12.1 Pre-Exposure Lamp............................. 7- 18 7.12.1.1 Before Removing the Pre-Exposure Lamp .......................... 7- 18 7.12.1.2 Removing the Pre-Exposure Lamp ............................7- 18 7.12.2 Drum Unit................................7- 18 7.12.2.1 Before Removing the Drum Unit ............................7- 18 7.12.2.2 Removing the Drum Unit..............................7- 18 7.12.2.3 After Replacing Drum Unit ..............................
  • Page 14 Contents 8.4 Cassette Pick-Up Unit ..........................8- 17 8.4.1 Overview ................................8- 17 8.4.2 Basic Sequence ..............................8- 17 8.4.3 Identifying the Paper Size ............................8- 18 8.4.4 Setting Up the Universal Cassette .........................8- 19 8.4.5 Paper Level Sensor ...............................8- 20 8.5 Manual Feed Pickup Unit ......................... 8- 22 8.5.1 Overview ................................8- 22 8.5.2 Basic Sequence of Operation ..........................8- 22 8.5.3 Identifying the Paper Size ............................8- 23...
  • Page 15 Contents 8.8.13.3 When Replacing the Manual Feed Tray..........................8- 36 8.8.14 Manual Feed Unit ..............................8- 36 8.8.14.1 Before Removing the Manual Feed Unit ..........................8- 36 8.8.14.2 Removing the Manual Feed Unit............................8- 36 8.8.15 Manual Pickup Roller............................8- 36 8.8.15.1 Before Removing the Manual Feed Pickup Roller .......................
  • Page 16 Contents 9.3 Various Control Mechanisms ........................9- 3 9.3.1 Controlling the Speed of the Fixing Film ........................9- 3 9.3.1.1 Controlling the Fixing Film Speed in Response to Low Temperature..................9- 3 9.3.1.2 Controlling the Fixing Film Speed ............................9- 3 9.3.2 Controlling the Fixing Film Temperature........................9- 3 9.3.2.1 Controlling the Power Supply in Response to Low Temperature ....................
  • Page 17 Contents 10.4.1 Power Supply............................... 10- 6 10.4.1.1 Power Supply Route Inside the Printer ..........................10- 6 10.4.1.2 Power Supply Route in the Reader Unit ..........................10- 8 10.4.1.3 Timing of Supply to the Reader Unit ............................ 10- 8 10.4.1.4 Connection to Options................................10- 9 10.4.1.5 Heater operating condition ..............................
  • Page 18 Contents 10.5.6 DC Controller PCB .............................10- 27 10.5.6.1 Removing the DC Controller PCB............................10- 27 10.5.6.2 When Replacing DC Controller PCB..........................10- 27 10.5.7 Control Panel Inverter PCB..........................10- 28 10.5.7.1 Before Removing the Control Panel Inverter PCB ......................10- 28 10.5.7.2 Removing the Control Panel Inverter PCB.........................
  • Page 19 Contents 11.1.4 Setting Up the Network............................11- 4 11.1.5 Login to SMS ............................... 11- 6 11.1.6 Setting the method to login to SMS ........................11- 8 11.1.7 Checking Application List........................... 11- 12 11.1.8 Starting and Stopping a MEAP Application ....................... 11- 12 11.1.9 Checking the Platform Information ........................
  • Page 20 Contents 13.4.3 Cleaning Film Bias Static Eliminator ........................13- 11 Chapter 14 Standards and Adjustments 14.1 Image Adjustments ..........................14- 1 14.1.1 Standards for Image Position..........................14- 1 14.1.2 Adjusting the Image Position..........................14- 1 14.1.3 Left End Margin Adjustment (each pickup position basis) ...................14- 2 14.2 Scanning System............................
  • Page 21 Contents 15.2.7 PCBs.................................. 15- 10 15.2.7.1 PCBs (Reader)................................... 15- 10 15.2.7.2 PCBs (Printer) ..................................15- 10 15.2.8 Connectors ................................ 15- 12 15.2.8.1 Connectors (1/6) ................................15- 12 15.2.8.2 Connectors (2/6) ................................15- 14 15.2.8.3 Connectors (3/6) ................................15- 16 15.2.8.4 Connectors (4/6) ................................15- 18 15.2.8.5 Connectors (5/6) ................................
  • Page 22 Contents 17.2.1.11 COPIER > DISPLAY > ENVRNT ............................. 17- 28 17.2.2 FEEDER................................17- 29 17.2.2.1 FEEDER > DISPLAY ................................. 17- 29 17.3 I/O (I/O Display Mode) .......................... 17- 29 17.3.1 Outline................................17- 29 17.3.2 <DC-CON>.................................17- 30 17.3.3 <R-CON> ................................17- 32 17.3.4 <FEEDER> ................................17- 32 17.3.5 <SORTER>...
  • Page 23 Contents 17.6.1.12 COPIER > OPTION > BODY (12/15) ..........................17- 124 17.6.1.13 COPIER > OPTION > BODY (13/15) ..........................17- 126 17.6.1.14 COPIER > OPTION > BODY (14/15) ..........................17- 129 17.6.1.15 COPIER > OPTION > BODY (15/15) ..........................17- 132 17.6.1.16 COPIER >...
  • Page 24 Contents 18.4.3 Downloading Dcon and Rcon..........................18- 28 18.4.3.1 Outline....................................18- 28 18.4.4 Downloading G3 FAX............................18- 29 18.4.4.1 Outline....................................18- 29 18.4.5 Uploading and Downloading Backup Data......................18- 30 18.4.5.1 Outline....................................18- 30 18.4.5.2 Uploading Procedure ................................. 18- 31 18.4.5.3 Downloading Procedure..............................18- 33 18.4.6 Version Upgrade using USB ..........................18- 35 18.4.6.1 Overview of Menus and Functions.............................
  • Page 25: Chapter 1 Introduction

    Chapter 1 Introduction...
  • Page 27 Contents Contents 1.1 System Construction ..............................1-1 1.1.1 System Configuration of Original Feeding Options ........................1-1 1.1.2 System Configuration of Pickup/Delivery Options ........................1-2 1.1.3 System Configuration of Print/Send Options ..........................1-4 1.1.4 Functions of Print/Send Options ..............................1-6 1.2 Product Specifications..............................1-7 1.2.1 Names of Parts .....................................
  • Page 29: System Construction

    Chapter 1 1.1 System Construction 1.1.1 System Configuration of Original Feeding Options 0019-4437 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-1-1 Platen Cover Type M DADF-U1 ADF Access Handle-A1 Document Tray-J1 *1 Except China MEMO: Only one of the following options can be installed at a time. - Document Tray-J1 - Voice Guidance Kit-D1 - Voice Operation Kit-B1...
  • Page 30: System Configuration Of Pickup/Delivery Options

    Chapter 1 1.1.2 System Configuration of Pickup/Delivery Options 0018-9653 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [Pickup/delivery] [13] [14] [17] [15] [16] [11] [12] [10] F-1-2 Copy Tray-J1 Paper Deck-Q1 Envelope Feeder Attachment-C2 *1 FL Cassette-Y1/Z1 Envelope Cassette-C2 *2 Cassette Feeding Unit-Y3/Y3H *3 3 Way Unit-A2 (standard)
  • Page 31 Chapter 1 *1 : Except Japan *2 : Japan only *3 : Y3H is for China only *4 : Q1 is for all excluding USA and AUS R1 is for North America, AUS and KR S1 is for Europe and AUS T1 is for Europe only *5 : For US government only...
  • Page 32: System Configuration Of Print/Send Options

    Chapter 1 1.1.3 System Configuration of Print/Send Options 0018-9656 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [5-3] [5-1] [5-2] [13] [12] [11] [10] [14]-[36] F-1-4...
  • Page 33 Chapter 1 Voice Guidance Kit-D1 *1 Voice Operation Kit-B1 *1 Hand Set-G2 *2 Card Reader-C1 Card Reader Attachment-B3 Super G3 FAX Board-AC1 [5-1] Super G3 FAX Board [5-2] FAX expansion PCB [5-3] Speaker Unit Super G3 2nd Line Fax Board-AC1 *3 Super G3 2nd/3rd Line Fax Board-AC1 *3 Expansion Bus-E1 *5 Wireless LAN Board-A1 *4...
  • Page 34: Functions Of Print/Send Options

    Chapter 1 1.1.4 Functions of Print/Send Options 0018-9658 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The following is a brief explanation of the functions expected of the accessories; for details, see the chapters that follow: T-1-1 Machine Function Optional Equipment Needed Simultaneous Installation...
  • Page 35: Product Specifications

    Chapter 1 1.2 Product Specifications 1.2.1 Names of Parts 1.2.1.1 External View 0018-9666 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [19] [20] [21] [18] [29] [17] [28] [22] [16] [27] [15] [10] [14] [26] [23] [11] [13] [25] [12]...
  • Page 36: Cross-Section

    Chapter 1 1.2.1.2 Cross-Section 0018-9667 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [1] [2] [28] [10] [11] [29] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [26] [25] [27] F-1-6 T-1-3 CCD unit ADF reading glass Platen glass...
  • Page 37: Using The Machine

    Chapter 1 1.2.2 Using the Machine 1.2.2.1 Turning On the Power Switch 0018-9668 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The machine possesses 2 power switches: main power switch and control power switch. Normally (i.e., unless the machine is in a sleep state), the machine will be supplied with power when you turn on its main power switch.
  • Page 38 Chapter 1 When Using the Print Function/When Receiving or Transmitting a Fax Before using the main power switch, check to be sure that the Execute/Memory lamp on the control panel is off. (Turning off the main power switch while an operation is under way can cause loss of data.) Stop Start...
  • Page 39: Control Panel

    Chapter 1 1.2.2.3 Control Panel 0018-9670 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Power Reset [18] [18] Help Counter Check Additional| Functions PQRS WXYZ Stop Start Log In/ Clear Processing/Data Error Main Power [17] [17] [16] [15] [14] [13]...
  • Page 40: User Mode Items

    Chapter 1 1.2.3 User Mode Items 1.2.3.1 Overview 0019-5677 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N If you are performing user authentication using the SSO-H login service, you cannot change the Additional Functions settings of the machine if you are logged in as a general user.
  • Page 41: Timer Settings

    Chapter 1 Item Settings Delivered Standard Local Print Settings Paper Select All Paper Sources, Auto*1 Copies 1*1 to 9,999 sets Finishing If No Finisher Is Attached or Only the Optional Inner 2 Way Tray-D1 is Attached: Do Not Collate, Collate*1, Rotate Collate, Group, Rotate Group If the Optional Finisher-S1 Is Attached: Do Not Collate, Collate, Offset Collate*1, Group, Offset Group, Staple (Corner) If the Optional Finisher-S1 and Puncher Unit-R1 Are Attached:...
  • Page 42: Report Settings

    Chapter 1 Item Settings Delivered Character/Background Contrast Adjustment*2 Relative Contrast Value: -7 to +7; 1*1 (for the imageRUNNER 3245/3245i/3235/3235i), - 1*1 (for the imageRUNNER 3225), Sample Print, Sample Print Settings Standard Value Settings: 1 to 64; 16*1(for the imageRUNNER 3245/3245i/3235/3235i), 28*1 (for the imageRUNNER 3225), Print, Print Settings Latent String Density: 1 to 36;...
  • Page 43 Chapter 1 Item Settings Delivered Maximum Data Size for Sending 0 (Off), 1 to 99 MB; 3 MB*1 Default Subject 40 characters maximum; Attached Image*1 Specify Authorized User Reply-to Destination On, Off*1 E-mail Settings*5 Specify Authorized User Dest. Sender On*1, Off I-Fax Settings*5 Full Mode TX Timeout 1 to 99 hours;...
  • Page 44: Copy Settings

    Chapter 1 Item Settings Delivered Use USB Host On*1, Off Use MEAP Driver for USB Device On*1, Off Use MEAP Driver for USB External Disk Driver On, Off*1 Device Information Delivery Settings Register Destinations Auto Search/Register, Register, Details, Erase, Print List Auto Delivery Settings Everyday, Select Days, Off*1 Add.
  • Page 45: Communications Settings*2

    Chapter 1 Item Settings Delivered Register Remote Device Register (Seven devices maximum), Details, Erase, Move To Top Remote Device Transmission Timeout 5 to 30 seconds; 30 seconds*1 Initialize Copy Settings Initialize 1.2.3.8 Communications Settings*2 0018-9678 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N *1: Indicates the default setting.
  • Page 46: Mail Box Settings

    Chapter 1 Item Settings Delivered Auto Redial On*1: Option: Redial Times: 1 to 10 times; 2 times*1 Redial Interval: 2 to 99 minutes; 2 minutes*1 TX Error Resend Error and 1st Page*1, All pages, Off Check Dial Tone Before Sending On*1, Off Fax Settings: RX Settings ECM RX...
  • Page 47: Maintenance By The User

    Chapter 1 1.2.4 Maintenance by the User 1.2.4.1 Routine Cleaning 0018-9689 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N If the original is not copied clearly, clean the following parts of the machine. For high-quality printouts, we recommend cleaning these parts once or twice a month. - Platen glass - Underside of the platen cover - Feeder's rollers...
  • Page 48 Chapter 1 2) Clean the rollers (a total of three places) inside the feeder cover with a cloth dampened with water. Then, wipe the area with a soft, dry cloth. F-1-10 3) Open the inner cover, holding it by its front tab. F-1-11 4) Clean the rollers (a total of three places) inside the inner cover with a cloth dampened with water.
  • Page 49 Chapter 1 6) Close the inner cover. When closing the inner cover, be careful not to get your fingers caught, as this may result in personal injury. F-1-14 7) Close the feeder cover. When closing the feeder cover, be careful not to get your fingers caught, as this may result in personal injury. F-1-15 8) Lift the feeder.
  • Page 50: Inspection

    - Make sure that the main power is turned OFF, before inspecting the breaker. - Be sure to turn off the main power switch after executing shutdown sequence (to protect HDD). - If a malfunction occurs after an inspection, contact your local authorized Canon dealer. Checking the Breaker 1) Push the test button on the rear of the machine with the tip of a ball-point pen, or a similar object.
  • Page 51: Safety

    - If the breaker lever does not switch to the OFF position, repeat step 1. If the breaker lever does not switch to the OFF position, despite carrying out the above procedure two or three times, contact your local authorized Canon dealer. 3) Switch the breaker lever to ON ("I" side).
  • Page 52: Safety Of Toner

    Chapter 1 F-1-21 F-1-22 1.2.5.5 Safety of Toner 0018-9685 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N About Toner The machine's toner is a non-toxic material made of plastic, iron, and small amounts of dye. Do not throw toner into fire. It may cause explosion. Toner on Clothing or Skin 1.
  • Page 53: Notes When Handling A Lithium Battery

    Chapter 1 1.2.5.6 Notes When Handling a Lithium Battery 0019-8713 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. The following warnings are given to comply with Safety Principles (EN60950).
  • Page 54: Function List

    Chapter 1 Operating environment Refer to the installation (temperature range) Operating environment Refer to the installation (humidity range) Operating environment 0.6 to 1.0 atm (atmospheric pressure) Noise iR3245: stand-by : 53dB or less, operation : 74.8 dB iR3235: stand-by : 53dB or less, operation : 71.3 dB iR3230: stand-by : 43dB or less, operation : 69.5 dB iR3225: stand-by : 43dB or less, operation : 67.8 dB Power supply rating...
  • Page 55 Chapter 1 T-1-14 Single-sided Duplexing Cassette 1 Cassette 2/3/4 Manual feed Cassette 1 Cassette 2/3/4 Manual feed Paper Deck Paper Deck Paper pickup pickup tray pickup pickup pickup tray pickup Paper size type delive delive delive delive delive delive delive delive delive delive...
  • Page 56: Paper Type

    Chapter 1 1.2.7.2 Paper Type 0018-9663 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The following is the available paper types. Prefer to the table below for paper weight of each paper type. A: Supported -: Operation unavailable *1: Plain and Recycled paper are from 17 to 24 lb bond (64 to 90 g/m2).
  • Page 57 Chapter 1 Pickup source Paper type Size Duplexing Manual Paper Cassette 1 Cassette 2 Cassette 3 Cassette 4 feed tray Deck 3-hole/4-hole A4, LTR punched paper A4R, LTRR B4, B5R, B5, LGL, A5R, STMTR, EXEC, K8, K16 A3, 11x17 OFFICIO, E-OFFICIO, B-OFFICIO, M-OFFICIO, A- OFFICIO, FOLIO, A-LTR, A-LTRR, GLTR-R, GLTR, GLGL, AFLS, FLS A5, STMT...
  • Page 58 Chapter 1 T-1-19 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3-...
  • Page 59 Chapter 1 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3- Sadd...
  • Page 60 Chapter 1 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3- Sadd...
  • Page 61 Chapter 1 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3- Sadd...
  • Page 62 Chapter 1 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3- Sadd...
  • Page 63 Chapter 1 Delivery In-body Finisher Finisher / Saddle finisher Sadd Main body Common Standard tray (lower) delivery finis Middle, lower tray Option tray (upper) body Paper Size type Colla Colla Rota Rota Strai Offse Offse Tray Tray Tray botto Punc botto 2/3- Sadd...
  • Page 65: Chapter 2 Installation

    Chapter 2 Installation...
  • Page 67 Contents Contents 2.1 Making Pre-Checks................................2-1 2.1.1 Checking Installation Environment ............................. 2-1 2.1.2 Points to Note Before Installation..............................2-2 2.1.3 Combination Table of Accessories .............................. 2-2 2.1.4 Checking the Contents ................................. 2-3 2.2 Unpacking and Installation ............................2-5 2.2.1 Unpacking and Removing Fixing Member..........................2-5 2.2.2 Installing the Filter ..................................
  • Page 68 Contents 2.10.1 Checking Parts to Install ................................2-30 2.10.2 Checking Parts to Install ................................2-30 2.10.3 Turning OFF the Power of the Host Machine ......................... 2-30 2.10.4 Installation Procedure (Cassette Heater Unit).......................... 2-30 2.10.5 Installation Procedure (Cassette Heater Attachment) ......................2-31 2.11 Installing the Deck Heater ............................
  • Page 69: Making Pre-Checks

    Chapter 2 2.1 Making Pre-Checks 2.1.1 Checking Installation Environment 0019-8444 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The followings are the condition for installation environment. It is better to see the planned location of installation before carrying the host machine in the user site. 1) The host machine can singly connect to the outlet of rated +/-10V, 15A or more.
  • Page 70: Points To Note Before Installation

    Chapter 2 100 mm or more 500 mm 2,082 mm 500 mm or more or more F-2-3 7) Install the host machine in well-ventilated location; however, do not install the host machine near the air inlet of a room. 2.1.2 Points to Note Before Installation 0018-9020 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Make sure to note the followings before installing the host machine.
  • Page 71: Checking The Contents

    Chapter 2 2.1.4 Checking the Contents 0020-0084 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N MEMO: Get out all of the contents in the cassette. [5] 2 [7] 1 [10] [11] [12] [13] [14] [15] [16] F-2-4 Drum unit 1pc.
  • Page 72 Chapter 2 iR3245/3235/3225 iR3245N/3235N/3225N UFR II/PCL Driver/Utility CD iW MC CD SEND TRIAL EUR-B1 yes: included...
  • Page 73: Unpacking And Installation

    Chapter 2 2.2 Unpacking and Installation 2.2.1 Unpacking and Removing Fixing Member 0018-9036 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N MEMO: When installing the cassette feeding unit, put the host machine on the cassette feeding unit. (Refer to the installation procedure of cassette feeding unit when installing the cassette feeding unit.) F-2-7...
  • Page 74: Installing The Filter

    Chapter 2 F-2-11 10) Remove the fixing pressure release cover [1] in the direction of the ar- row. F-2-14 If turning on the main power without removing the fixing pressure release 3) Remove the connecting shaft [1], move the 3 way unit [2] in the direction cover, fixing heater may get damaged.
  • Page 75: Installing Toner Container

    Chapter 2 F-2-19 2) Turn the lock lever [1] in the direction of the arrow. F-2-16 5) Remove the tag from the filter holder [1], and then install the filter [2] to the filter holder [1]. F-2-20 3) Unpack the toner container and remove the cap [1]. F-2-17 6) Install the 2 filter holders [1].
  • Page 76: Installing Drum Unit

    Chapter 2 F-2-23 2.2.4 Installing Drum Unit 0018-9051 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-2-26 1) Remove the 2 screws [1] and remove the front cover unit [2] in the direc- 4) Remove the screw [1] on the developing assembly pressure lever. tion of the arrow.
  • Page 77 Chapter 2 F-2-29 F-2-32 9) Fix the drum unit with the screw [1] removed by step 6). F-2-30 7) Remove the package of the drum unit and remove the 2 drum pressure re- lease rollers [1]. - Do not touch the surface of the photosensitive drum. - Prevent the photosensitive drum from being exposed to the direct sunlight for many hours.
  • Page 78 Chapter 2 F-2-35 12) Close the host machine right cover. 13) While lowering the waste toner full level detection lever [1], install the waste toner container [2]. F-2-37 MEMO: installing the front cover unit 1) Insert the 2 claws [2] on the right of the front cover unit [1] into the claw holes [3] of host machine.
  • Page 79: Installing Other Parts

    Chapter 2 F-2-39 <Right cover (lower) (only when the cassette feeding unit is not in- stalled)> 1) Install the right cover (lower) [1] in the direction of the arrow. 15) Close the front cover. 2.2.5 Installing Other Parts 0020-0087 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N <Service book case>...
  • Page 80 Chapter 2 If the stamp is not set completely, jam may be generated. Be sure to push it until it clicks. F-2-43 <Shut down label> 1) Put the shutdown label [1] in corresponding language on the left [2] of the F-2-46 main power on the right cover (rear).
  • Page 81: Fixing The Host Machine

    Chapter 2 F-2-49 4) Connect the USB cable [1] to the host machine. F-2-53 F-2-50 2.2.6 Fixing the Host Machine F-2-54 0019-0207 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 3) Put back the cassette 1, 2. <In case that cassette feeding unit is installed>...
  • Page 82: Points To Note When Turning Off The Main Power

    Chapter 2 Use the correct power code to mach the location/area of installation. Make sure not to leave unused power code at the site. 4) Turn ON the main power switch. 2.2.8 Points to Note When Turning OFF the Main Power 0019-0209 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Turning OFF the main power...
  • Page 83: Screen Position Adjustment

    Chapter 2 - Test print will be output. 6) By following the control panel screen, place the test print on the copy- board glass. 7) Close the platen cover/DADF. 8) Press [Start Scan]. - Test print will be scanned. - 'Auto gradation Adjust is finished' will be displayed. 9) Remove the test print from the copyboard glass.
  • Page 84 Chapter 2 F-2-64 A-4) Tighten the fixing screw. A-5) Put back the cassette 1. A-6) Make a copy from the cassette 1 and check that the left margin is within 2.5 +/- 1.5mm. A-7) Install the grip (front right). F-2-66 A-8) Install the right cover (lower front).
  • Page 85: Checking The Connection To The Network

    Chapter 2 - If "OK", the machine is connected to the network appropriately. - If "NG", the machine is not connected to the network appropriately; thus, perform the following "Troubleshooting the Network". 2.3.4 When Not Using Network Connection 0019-4032 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N image When the machine is not connected to the network, the massage that prompts "Check the network connection"...
  • Page 86: Installing The Card Reader

    Chapter 2 F-2-70 7) Clean around the host machine. 2.6 Installing the Card Reader 2.6.1 Notice At Installation 0019-5419 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N - Installation of the equipment calls for a Card Reader Attachment-B3. F-2-72 - See "Combination Table of Accessories"...
  • Page 87 Chapter 2 F-2-73 2) Remove the rear right cover [1]. - 6 screws [2] F-2-75 4) Insert the relay harness2 [1] to the 2 connectors [2] of the host machine. F-2-76 5) Take out the relay harness2 [2] from the cutoff [1] and install the rear right cover.
  • Page 88 Chapter 2 F-2-79 9) Secure the card reader relay harness [1]. - 1 edge saddle [2] - 1 wire saddle [3] F-2-77 6) Close the cassette upper right cover and the cassette lower right cover. 7) Disconnect the jumper [1]. (Do not use the removed jumper.) F-2-80 10) Connect the relay harness connector [1] installed in step 4) to the card reader relay harness connector [2].
  • Page 89: Installation Procedure In The Imageware Accounting Manager (Hereinafter Referred To Iwam) Environment

    Chapter 2 F-2-82 12) Insert the power plug into the outlet. 13) Turn ON the main power switch. 14) Get in Service Mode (COPIER > FUNCTION > INSTALL > CARD) F-2-83 and enter the card number to use (1 to 2000). - Enter the smallest card number of the cards used by the user.
  • Page 90: Installing The Reader Heater

    Chapter 2 F-2-85 3) Fit the support plate's cutoff [2] of the document tray [1] with the stepped F-2-88 screws [3] installed in the previous step. 3) Fit the support plate's cutoff [2] of the document tray [1] with the stepped screws [3] installed in the previous step.
  • Page 91: Turning Off The Power Of The Host Machine

    Chapter 2 3) Remove the copyboard glass [3]. When removing the copyboard glass, be sure not to put your fingers on the glass surface and the white plate at the back (soil causes black lines on image). Be sure to clean soil with lint-free paper moistened with alcohol if soil is attached.
  • Page 92 Chapter 2 F-2-94 11) Install the copyboard glass and the glass retainer (right), and close the copyboard cover/DADF. 12) Disconnect the lattice connector [1] of the cassette pedestal. F-2-97 15) Remove the environment heater switch cover [1]. F-2-95 13) Remove the upper rear cover [1]. - 9 screws [2] F-2-98 When turning detaching the environment heater switch cover [1], use a...
  • Page 93 Chapter 2 After replacing the AC driver PCB F-2-100 17) Connect the connector for the reader heater that is situated near the AC driver PCB and is connected to the host machine to J485 [1] of the AC driver PCB. 16) Remove the AC driver PCB from the host machine and replace it with - 1 edge saddles [2] the new AC driver PCB [1].
  • Page 94: Installing The Cassette Heater

    Chapter 2 2.9 Installing the Cassette Heater 2.9.1 Checking Parts to Install 0019-4539 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Be sure to have the following parts ready because each part of the Cassette heater unit is supplied as Service Parts. F-2-104 T-2-4 F-2-102...
  • Page 95 Chapter 2 F-2-108 7) Put cassette 1 and 2 back. F-2-105 8) Disconnect the lattice connector [1] of the cassette pedestal. 3) Insert the 3 hooks [2] of the cassette heater [1] into the slits of the bottom plate to fit with the holes position. When installing the cassette heater, be sure to securely insert the 3 hooks [2] to be fitted with the plate.
  • Page 96 Chapter 2 F-2-111 11) Remove the environment heater switch cover [1]. 12) Remove the AC driver PCB from the host machine and replace it with the new AC driver PCB [1]. When replacing the AC driver PCB, be sure to make a note of the position of the connector and to connect the connector to the original position.
  • Page 97 Chapter 2 After replacing the AC driver PCB F-2-114 13) Connect the connector for the cassette heater that is situated near the AC driver PCB and is connected to the host machine to J482 [1] of the AC driver PCB. - 1 edge saddles [2] - 1 wire saddles [3] Connect the connector for the DC controller that is situated near the AC...
  • Page 98: Checking Parts To Install

    Chapter 2 Cassette Pedestal T-2-6 Name Part No. Qty. 2.10.1 Checking Parts to Install Power cord terminal FM3-0278-000 1pc. 0020-0333 assembly iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Power cord FK2-4628-000 1pc. Be sure to have the following parts ready because each part of the Cassette Environment heater outlet FM3-4391-000 1pc.
  • Page 99: Installation Procedure (Cassette Heater Attachment)

    Chapter 2 F-2-124 F-2-121 2) Remove the upper rear cover [1]. - 9 screws [2] 4) Install the cassette heater [1]. -1 screw (Binding; M4X6) [2] -1 connector [3] F-2-125 3) Remove the lower rear cover [1]. -6 screws [2] F-2-122 5) Install the connector cover [1].
  • Page 100 Chapter 2 Before replacing the AC driver PCB F-2-128 F-2-127 After replacing the AC driver PCB When turning detaching the environment heater switch cover [1], use a flatblade screwdrivers. F-2-129 6) Connect the connector for the cassette heater that is situated near the AC driver PCB and is connected to the host machine to J482 [1] of the AC driver PCB.
  • Page 101 Chapter 2 screw (TP; M3X6) [3]. F-2-133 10) Fit the environment heater outlet [1] with the 2 bosses [2] to install. - 1screw (TP; M3X6) [3] F-2-131 8) Connect the connector [1] of the environment switch unit to J483 of the AC driver PCB.
  • Page 102 Chapter 2 F-2-136 13) Install the upper rear cover. 14) Remove the cassette pedestal rear cover [1]. F-2-139 -4 screws [2] F-2-140 17) Install the cassette pedestal rear cover. 18) Connect the lattice connector to the host machine. F-2-137 19) Connect the power cord [1] to the Power cord terminal assembly [2] and 15) Cut off the face covers [2] of the cassette pedestal rear cover [1] with nip- also to the environment heater outlet [3] of the host machine.
  • Page 103: Installing The Deck Heater

    Chapter 2 Part name Part number Qty. Screw (RS tight; M4X8) XA9-0628-000 2pcs. Screw (Binding; M4X4) XB1-2400-409 1pc. [10] Plug cover FC6-5776-000 1pc. 2.11.2 Turning OFF the Power of the Host Machine 0019-9913 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Be sure to refer to "Points to Note When Turning OFF the Main Power"...
  • Page 104 Chapter 2 - Screw [1], 3 pcs. - Screw [1], 2 pcs. F-2-146 4) Remove the rear cover [2] of the paper deck. - Screw [1], 6 pcs. F-2-149 7) Attach the cable protective bush [1] included with the package to the hole [2] on the top board of the paper deck.
  • Page 105 Chapter 2 10) Set the connector [2] of the heater to the panel mount [1]. - Screw (M4X8) [2], 2 pc. F-2-152 11) Remove the screw [2] to remove the blanking plate [1] attached on the power cord mount of the paper deck. F-2-155 15) Wrap the harness [1] around the cable guide [2] on the power cord mount.
  • Page 106: Installing The Memory

    Chapter 2 20) Connect one of the AC cable (for the host machine outlet) to the power cord mount of the heater, and the other to the cassette pedestal of the host machine. 21) Put the plug cover [1] to the AC cable connector, and fix it with the screw [2].
  • Page 107: Installing The Expansion Bus Kit

    Chapter 2 2.13.3 Installation Procedure 0019-5143 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1. Installation Procedure 1) Remove the upper rear cover [1]. - 9 screws [2] F-2-165 Expansion bus kit F-2-163 2) Release the claw of the DIMM stopper [2] on the main controller PCB [1] in the direction of the arrow, and then install the expansion RAM [3].
  • Page 108: Installing The Voice Guidance Kit

    Chapter 2 Voice board unit Card spacer Screw (TP; M3X6) Screw (binding; M4X6) Screw (binding; M3X16) [10] Screw (binding; M4X16) [11] Ferrite core <CDs/guides> - Voice guidance guide - Voice guidance guide CD - FCC/IC Sheet 2.15.3 Turning Off the Power of the Host Machine 0019-9921 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Be sure to refer to "Points to Note When Turning OFF the Main Power"...
  • Page 109 Chapter 2 F-2-173 6) Install the speaker unit (lower) [1]. - 1 screw (binding; M3X16) [2] - 1 screw (binding; M4X16) [3] F-2-171 4) Insert the voice board unit [1] into the connector [2] on the main controller PCB, and then install it. - 2 screws [3] (that have been removed in step 2) - 2 screws (TP;...
  • Page 110 Chapter 2 F-2-179 11) Insert the cable [2] into the speaker unit [1]. F-2-180 12) Route the cable [1] through the cable guide [2] and install the cable guide cover [3]. F-2-177 B: In the case that the card reader has been installed on the host machine There should be no excess slack on the cable.
  • Page 111: Checking The Settings

    Chapter 2 F-2-185 16) Insert the power plug into the power outlet. 17) Turn on the main power switch. F-2-182 18) Check to see that the voice board is recognized. 123 key (Counter Check key) > [Device Configuration] 13) Insert the cable [1] into the terminal [2] of the voice board. When 'voice guidance' is displayed, the functions are enabled.
  • Page 112: Turning Off The Power Of The Host Machine

    Chapter 2 F-2-187 2) Remove the face plate [1]. (Do not use the removed face plate.) - 2 screws [2] [10] [11] F-2-186 Speaker unit Cable [3]*1 Cable guide Voice operation board unit Card spacer F-2-188 [6]*2 Ferrite core 3) Install the 2 card spacers [1] on the main controller PCB. Ferrite core Screw (TP;...
  • Page 113 Chapter 2 F-2-192 7) Install the speaker unit (lower) [1]. - 1 screw (binding; M3X20) [2] - 1 screw (binding; M4X16) [3] F-2-190 5) Remove the screw [2] and the face seal [3] at the reader right cover [1]. (Do not use the removed screw and the face seal.) F-2-193 8) Install the speaker unit (upper) [1].
  • Page 114 Chapter 2 F-2-195 10) Remove the release paper of the cable guide [1] and fix it to the right side as shown in the figure. A: In the case that the card reader has not been installed on the host machine F-2-197 11) Install the ferrite core [1] to the cable.
  • Page 115 Chapter 2 F-2-203 F-2-200 16) Install the wire saddles [1] to the 3 locations that the face seals have been B: In the case that the card reader has been installed on the host removed. machine F-2-204 F-2-201 17) Fix the cable [1] with the 3 wire saddles [2] while preventing excess slack on the cable as shown in the figure.
  • Page 116: Checking The Settings

    Chapter 2 If 'voice operation kit' does not function normally, check the following points. - The item 'TTS-JA/TTS-EN, ASR-JA/ASR-EN' has been installed in service mode > COPIER > Display > VERSION. <To stop> 1) Press the reset key or Voice Recognition button for 3 sec or more. 2.17 Installing the Wireless Network Interface Adapter 2.17.1 Notice At Installation...
  • Page 117: Installation Procedure

    Chapter 2 2.17.4 Installation Procedure 4) Install the MFP antenna [1] at the position shown in the figure. 0019-0005 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1. Installation Procedure The installing position shown in the figure is recommended. 1) Remove the face plate [1] at the rear left side.
  • Page 118: Attaching The Label

    Chapter 2 10) Insert the power plug into the power outlet. 11) Turn on the main power switch. 12) Check to see that the wireless LAN board is recognized. Enter service mode. COPIER > DISPLAY > ACC-STS > PCI to 2 hen 'Wireless LAN Board' is displayed, the wireless LAN board is correctly recognized.
  • Page 119 Chapter 2 1. Installation Procedure 1) Install the IP board support plate [2] to the IPSec board [1]. - 2 screws (TP; M3X6) [3] F-2-220 2) Remove the face plate [1]. (Do not use the removed face plate.) - 2 screws [2] F-2-221 3) Install the IPSec board [1] to the host machine.
  • Page 121 Chapter 3 Basic Operation...
  • Page 123 Contents Contents 3.1 Construction ...................................3-1 3.1.1 Functional Construction................................3-1 3.1.2 Connecting the Main PCBs................................3-2 3.2 Basic Sequence ................................3-3 3.2.1 Basic Sequence of Operation at Power-On..........................3-3...
  • Page 125: Functional Construction

    Chapter 3 3.1 Construction 3.1.1 Functional Construction 0018-9686 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The machine may broadly be divided into the following functional blocks: general control system, original exposure system, reader control system, printer control system, laser exposure system, image formation system, pickup/feed system, fixing/delivery system.
  • Page 126: Connecting The Main Pcbs

    Chapter 3 3.1.2 Connecting the Main PCBs 0018-9687 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N J501 J6801,J6802 J1113 J1110,J1111 J1018,J2117 J603 J3182 J2010 J535 J461 J2016 J301 J309 J3304 J464 J2003 J532 J2006 J534 [10] J305 [11] J404 J304...
  • Page 127: Basic Sequence Of Operation At Power-On

    Chapter 3 3.2 Basic Sequence 3.2.1 Basic Sequence of Operation at Power-On 0018-9688 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1. Reader Unit STBY Scannermotor Light-ON (LED) (CCD unit HPsensor) CCD adjustment F-3-3 Footnote - F: Scanner motor moves forward (toward right). - B: Scanner motor moves backward (toward left).
  • Page 129 Chapter 4 Main Controller...
  • Page 131 Contents Contents 4.1 Construction ...................................4-1 4.1.1 Construction and Mechanisms ..............................4-1 4.2 Construction of the Electrical Circuitry .........................4-3 4.2.1 Main Controller PCB ................................... 4-3 4.2.2 HDD ......................................4-4 4.3 Start-Up Sequence................................4-6 4.3.1 Overview...................................... 4-6 4.4 Shut-Down Sequence ..............................4-7 4.4.1 Overview...................................... 4-7 4.4.2 Flow of Operation ..................................
  • Page 133: Construction

    Chapter 4 4.1 Construction 4.1.1 Construction and Mechanisms 0019-2967 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The main controller unit of the equipment is constructed of and functions with the following items. T-4-1 Item Details main controller PCB system control/memory control/printer unit output image processing control, reader unit input image processing, rendering processing, color LCD controller, card reader interface, image processing for FAX, etc.
  • Page 134 Chapter 4 [14] [13] [11] [10] [15] [16] [12] [17] F-4-1...
  • Page 135: Construction Of The Electrical Circuitry

    Chapter 4 4.2 Construction of the Electrical Circuitry 4.2.1 Main Controller PCB 0019-3015 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Main controls of the main controller PCB for each connector are described below. J2033 J2027 J2005 IC45 J2017 J2038...
  • Page 136 Chapter 4 Connector No/IC Functions J2024 HDD connector (power supply) J2027 reader controller PCB connector J2028 PCI bus expansion PCB slot J2029 for connecting the V6-FLASH PCB J2031 SDRAM (for system processing) slot (option) J2032 SDRAM (for system processing) slot J2033 connector for serial communication (for development) J2037...
  • Page 137: Hdd

    Chapter 4 The following shows system software configuration of this machine: T-4-4 System Software Function Storage location Remarks System Module for system (overall control) HDD (BOOTDEV) Language Module for language (LCD display control) HDD (BOOTDEV) Module for Remote UI HDD (BOOTDEV) Boot* Initializes sub CPU (IC45) BOOTROM...
  • Page 138: Overview

    Chapter 4 4.3 Start-Up Sequence 4.3.1 Overview 0019-3115 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The system software that controls the equipment is installed on HDD. There are two types of system software; system software 1 for CPU1 (IC51), system software 2 for CPU2 (IC45). When the host machine is started, the CPU1 loads the BIOS program in BIOS to the SDRAM for system processing, and then loads the system software 1 and the system software 2 from HDD to the SDRAM for system processing.
  • Page 139: Overview

    Chapter 4 4.4 Shut-Down Sequence 4.4.1 Overview 0019-3117 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N If the main power switch is turned off while the machine is accessing its HDD, damage can well occur on the HDD. To avoid such damage, the machine is provided with a shut-down sequence.
  • Page 140: Image Processing

    Chapter 4 4.5 Image Processing 4.5.1 Construction of the Image Processing Module 0019-3125 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The machine's major image processing is executed by the main controller PCB. The following shows the construction of the modules associated with image processing: Reader unit Reader unit controller PCB Reader unit input image processing block...
  • Page 141: Compression/Extension/Editing Block

    Chapter 4 4.5.3 Compression/Extension/Editing Block 0019-3127 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Here, image data is processed for compression, extension, and editing. Main controller PCB Reader unit image processing block image processing block SDRAM Enlargement/ Compression reduction Rotation...
  • Page 142: Flow Of Image Data

    Chapter 4 4.6 Flow of Image Data 4.6.1 Flow of Image Data According to Copy Functions 0019-3129 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The following is the flow of image data when the Copy Function is in use: Reader unit Main control PCB Image processing block for reader unit...
  • Page 143: Flow Of Image Data For The Send Function

    Chapter 4 4.6.3 Flow of Image Data for the SEND Function 0019-3131 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The following is the flow of image data when the SEND function is in use: Reader unit Main controller PCB Image processing block for reader unit SDRAM...
  • Page 144: Flow Of Image Data For The Fax Reception Function

    Chapter 4 4.6.5 Flow of Image Data for the Fax Reception Function 0019-3133 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The following is the flow of image data when the fax reception function is in use: Super G3 Fax Board Main controller PCB Image processing block for fax...
  • Page 145: Parts Replacement Procedure

    Chapter 4 4.7.2 Main Controller PCB 4.7 Parts Replacement Procedure 4.7.2.1 Before Removing the Main Controller PCB 0019-3168 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 4.7.1 Image PCB 1) Remove the upper rear cover. (page 10-17)[Removing the Upper Rear 4.7.1.1 Removing the Image PCB Cover] 2) Remove the image PCB unit.
  • Page 146: Removing The Main Controller Pcb

    Chapter 4 3) Remove the following parts. 5) Remove the following parts from the main controller PCB as needed. - 7 wire saddles [1] - SDRAM (for image processing) [1] - 6 edge saddles [2] (7 pcs. when the fax unit is mounted) - SDRAM (for system processing) [2] - 10 connectors [3] - Memory PCB [3] (1 screw)
  • Page 147: Hdd

    Chapter 4 1) Free the antenna cable [1] from the terminal [2]. 4.7.3.2 Removing the SDRAM (for system processing) 0019-2778 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the upper rear cover. (page 10-17)[Removing the Upper Rear Cover] 2) Release the 2 levers [1] and remove the SDRAM (for system processing) [2].
  • Page 148: Removing The Wireless Lan Pcb

    Chapter 4 3) Remove the wireless LAN PCB [1]. 2) Remove the IPSec PCB [1]. - 2 screws [2] - 2 screws [2] - 1 hex nut [3] - 1 plate [4] F-4-30 F-4-32 4.7.6 IPSec PCB 4.7.6.1 Removing the IPSec PCB 0019-3202 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Pull out the IPSec PCB unit [1].
  • Page 149: Pci Bus Expansion Pcb

    Chapter 4 1) Remove the terminal [1] of the cable. 4.7.7 PCI Bus Expansion PCB 4.7.7.1 Before Removing the PCI Bus Expansion PCB 0019-3209 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the upper rear cover. (page 10-17)[Removing the Upper Rear Cover] 2) Remove the wireless LAN PCB as needed.
  • Page 150: Removing The Pci Bus Expansion Pcb

    Chapter 4 7) Remove the voice operation PCB [1] from the plate [2]. 4.7.9 Voice Operation PCB - 2 hex nut screws [3] - 2 washers [4] 4.7.9.1 Removing the Voice Operation PCB 0019-3208 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the terminal [1] of the cable and the 3 wire saddles [2].
  • Page 151: Fax Expansion Pcb

    Chapter 4 4.7.10 FAX Expansion PCB 4.7.10.1 Removing the FAX Expansion PCB 0019-4141 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the upper rear cover. (page 10-17)[Removing the Upper Rear Cover] 2) Disconnect the 2 connectors [1]. (1 pcs. for one FAX line) F-4-41 3) Remove the FAX expansion PCB [1].
  • Page 153 Chapter 5 Original Exposure System...
  • Page 155 Contents Contents 5.1 Construction ...................................5-1 5.1.1 Specifications/controls/functions ..............................5-1 5.1.2 Major Components..................................5-2 5.1.3 Configuration of Control System..............................5-3 5.1.4 Reader Controller PCB ................................5-4 5.2 Basic Sequence ................................5-5 5.2.1 Basic Sequence at Power-On ............................... 5-5 5.2.2 Basic Sequence at Start Key ON (book mode/1 original) ......................5-5 5.2.3 Basic Sequence at Start Key ON (ADF mode/1 original) ......................
  • Page 156 Contents 5.4.7.1 Removing the Copyboard Cover Open/Closed Sensor (Front/Rear)......................5-25 5.4.8 CCD HP Sensor ..................................5-26 5.4.8.1 Removing the CCD Unit HP Sensor................................5-26 5.4.9 Original Size Sensor .................................. 5-26 5.4.9.1 Removing the Original Size Sensor................................5-26 5.4.10 Reader Heater (option)................................5-27 5.4.10.1 Removing the Reader Heater (Right) .................................
  • Page 157: Construction

    Chapter 5 5.1 Construction 5.1.1 Specifications/controls/functions 0019-4628 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The major specifications, controls and functions of the original exposure system are described below. Item Description Original exposure Indirect exposure by LED (LED & photoconductive body) Original scan In book mode: scan by movement of CCD In ADF mode: stream reading with CCD fixed...
  • Page 158: Major Components

    Chapter 5 5.1.2 Major Components 0019-4630 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Following shows major components of document exposure system. [10] F-5-1 Item Notation Description LED driver PCB Controls to turn on LED Reader controller PCB Controls the reader unit drive and image process Scanner motor Pulse motor: controls the carriage drive...
  • Page 159: Configuration Of Control System

    Chapter 5 5.1.3 Configuration of Control System 0019-4631 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The control system of original exposure is described below. [15] [13] [14] [12] [11] [10] F-5-2 [1] Printer body (connection to main controller PCB) [2] Connection to ADF [3] Connection to ADF [4] Connection to printer body...
  • Page 160: Reader Controller Pcb

    Chapter 5 5.1.4 Reader Controller PCB 0019-4632 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The function configuration of reader controller PCB is described below. F-5-3 Jack No. Description Connection to printer body Communication with CCD Communication with ADF Connection with LED driver PCB Receives power from the machine (printer unit) Communication with ADF...
  • Page 161: Basic Sequence

    Chapter 5 5.2 Basic Sequence 5.2.1 Basic Sequence at Power-On 0019-4684 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Basic Sequence at Power-On STBY Scannermotor Light-ON (LED) (CCD unit HPsensor) CCD adjustment F-5-4 Footnote - F: Scanner motor moves forward (toward right). - B: Scanner motor moves backward (toward left).
  • Page 162: Various Control

    Chapter 5 5.3 Various Control 5.3.1 Controlling the Scanner Drive System 5.3.1.1 Overview 0019-4639 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Parts configuration of scanner drive is described below. Scanner motor(M1) Reader controller Carriage drive belt LED driver Copyboard Sensor light...
  • Page 163 Chapter 5 a. Forward movement when scanning an image CCD operation is controlled by the following sensors when scanning the image. Original Start position Original trailing edge position leading edge Stop Deceleration Normal speed Acceleration Shift speed Shift distance [1]Acceleration area: Accelerates until a speed suited to the selected mode is reached [2]Run-up speed area: Run-up margin to ensure a stable speed.
  • Page 164: Ccd

    Chapter 5 5.3.2 CCD 5.3.2.1 Overview 0019-5764 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The machine uses the CCD to expose and read an image and the image is read on a line-by-line basis. CCD features 4 lines (R, G, B, B/W) and B/W line is used in B/W copy and R, G, B lines are used at color scan. CCD overview 1.
  • Page 165 Chapter 5 [Optical path from LED] The light generated from LED is reflected by an original and by the 5 mirrors. And then it is irradiated to the CCD through the lens. LED lens cover LED light source Photoconductive body F-5-10...
  • Page 166 Chapter 5 Lens LED (light source) Return mirror Return mirror (2 plates) ( 3plates ) Lens [ Red(R) line [ Green(G) line ] [ Blue (B) line ] [ Black & white (B/W) line ] F-5-11 Items Description Receives the reflected light that has gone through the lens and converts it into electric signal to output it. Lens Collects the light reflected by an original.
  • Page 167: Enlargement/Reduction

    Chapter 5 5.3.3 Enlargement/Reduction 5.3.3.1 Magnifications in Main Scanning Direction 0019-4642 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N In book mode/ADF mode An image is read at 100% in main scanning direction. Magnification variation and its data process are controlled on main controller PCB. 5.3.3.2 Magnification in Sub Scanning Direction 0019-4643 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N...
  • Page 168: Detecting The Size Of Originals

    Chapter 5 5.3.4 Detecting the Size of Originals 5.3.4.1 Overview 0019-4675 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The machine identifies the original size by the combination of measurement result of reflection light from the reflection sensor and specific points of CCD. Also to identify it accurately even though an original moves when ADF is closed, the machine measures 2 points for each size.
  • Page 169 Chapter 5 2. Priority on the front sensor When checking the measurements for main scanning direction, if the absence of an original is indicated at the rear while the presence of an original is indicated at the front, the machine will give priority to the indication at the front. F-5-14 T-5-4 In case of B5 size original...
  • Page 170: Detection Operation Overview

    Chapter 5 5.3.4.3 Detection Operation Overview 0019-4677 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Standby state (The following is in case that the AB type, A4R size is set.) CCD unit: shading position LED: OFF Original sensor: OFF CCD unit Original sensor...
  • Page 171: Dirt Sensor Control

    Chapter 5 5) Standby status (waiting for start key) CCD unit: in original detection position LED: OFF Original sensor: OFF F-5-20 ABtype Inch type CCD detection position CCD detection position Original Original Original Original size sensor 0 size sensor 1 11"×17"...
  • Page 172 Chapter 5 - At the start of a job (dust bypass) Presence of dust is detected at points A, B, and C in this order in the same manner as at the end of the job. Read will take place at the point where least dust is detected.
  • Page 173: White Board Dust Detection Control

    Chapter 5 5.3.5.2 White Board Dust Detection Control 0019-4653 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N When the dust in the air attaches to the white board inside the reader unit, lines may appear on the image. To reduce the influence from the dust, the machine carries out the white board dust detection and correction.
  • Page 174: Image Processing

    Chapter 5 5.3.6 Image Processing 5.3.6.1 Overview 0019-4661 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The functions of image processing system’s PCB are described below. - Reader controller PCB CCD drive, analog image process, A/D conversion, shading correction (executed per each job), shading adjustment (executed at power-on) - CCD PCB Analog image process, A/D conversion...
  • Page 175: A/D Conversion Of Ccd Output

    Chapter 5 5.3.6.4 A/D Conversion of CCD Output 0019-4664 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The corrected analog video signal is converted into a digital signal that is suited to the voltage level of individual pixels by the A/D converter. 5.3.6.5 Shading Correction (overview) 0019-4665 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N...
  • Page 176: Parts Replacement Procedure

    Chapter 5 6)Remove the shaft [1]. 5.4 Parts Replacement Procedure 5.4.1 CCD Unit 5.4.1.1 Removing the CCD Unit 0019-4761 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1)Open the copyboard cover (platen board cover/ADF). 2)Remove the reader right cover. 3)Remove the copyboard glass.
  • Page 177: When Replacing The Ccd Unit

    Chapter 5 8)Remove the belt [2] from the hook [1] at the back of the CCD unit. reader left cover. 3)Execute the following item in service mode. - ADF white level adjustment (COPIER> FUNCTION> CCD> DF- WLVL1/WLVL2/WLVL3/WLVL4) Do not touch the LED on the CCD unit. 5.4.2 CCD Cover Unit 5.4.2.1 Removing the CCD Cover Unit 0019-6280...
  • Page 178: When Replacing The Copyboard Glass

    Chapter 5 1)Open the copyboard cover (platen board cover/ADF). 2)Remove the glass retainer [1] and the copyboard glass [2]. -2 screws [3] When removing the copyboard glass, take care not to touch the following parts with your fingers. -Glass surface -Standard white plate Soils on these parts may cause white/black lines on images.
  • Page 179: Removing The Adf Reading Glass

    Chapter 5 Execute the following item in service mode. Be sure to execute white plate data adjustment surely before ADF white level adjustment. Enter the value (see the following figure) on the copyboard glass in the fol- lowing service mode. COPIER>ADJUST>CCD>W-PLT-X/Y/Z Entering the data of the standard white plate 8 2 0 6 8 6 6 7 9 3 4 9...
  • Page 180: Reader Controller Pcb

    Chapter 5 b.Entering the data of the standard white plate 5.4.4 Reader Controller PCB COPIER>ADJUST>CCD>W-PLT-X/Y/Z 5.4.4.1 Points to Note Before Replacing the Reader Controller PCB 8 2 0 6 8 6 6 7 9 3 4 9 0019-4766 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-5-44 2.
  • Page 181: Led Driver Pcb

    Chapter 5 1)Remove the ADF communication cable (ADF only). 5.4.5 LED Driver PCB 2)Open the copyboard cover (platen board cover/ADF). 3)Remove the reader rear cover. 4)Remove the sensor mount [1] at rear left of the reader unit. 5.4.5.1 Removing the LED Driver PCB -2 connectors [2] 0019-6282 -1 screw [3]...
  • Page 182: Ccd Hp Sensor

    Chapter 5 1)Remove the ADF communication cable (only for machine with ADF in- 5.4.8 CCD HP Sensor stalled). 2)Open the copyboard cover (platen board cover/ADF). 3)Remove the reader rear cover. 5.4.8.1 Removing the CCD Unit HP Sensor 4)Remove the copyboard glass. 0019-6915 5)Remove the cable retainer [1] and the sensor cover [2].
  • Page 183: Reader Heater (Option)

    Chapter 5 4) Remove the reader heater (left) [1]. 5.4.10 Reader Heater (option) -2 wire saddles [2] -1 connector [3] -1 screw [4] 5.4.10.1 Removing the Reader Heater (Right) 0019-4794 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1)Open the platen board cover or the ADF.
  • Page 185 Chapter 6 Laser Exposure...
  • Page 187 Contents Contents 6.1 Construction ...................................6-1 6.1.1 Specifications/Controls/Functions ............................... 6-1 6.1.2 Main Configuration Parts................................6-1 6.1.3 Control System Configuration ..............................6-2 6.2 Basic Sequence ................................6-3 6.2.1 Basic Sequence .................................... 6-3 6.3 Various Controls ................................6-4 6.3.1 Controlling the Laser Activation Timing............................. 6-4 6.3.1.1 Laser ON/OFF Control ....................................6-4 6.3.1.2 Main Scanning Synchronous Control ................................6-5 6.3.2 Controlling the Intensity of Laser Light ............................
  • Page 189: Construction

    Chapter 6 6.1 Construction 6.1.1 Specifications/Controls/Functions 0019-4280 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Laser light T-6-1 The number of laser light Output 10 mW Wave length 775nm to 899nm (Infrared laser) Scanner motor T-6-2 Motor type DC brushless motor Te number of rotation IR3225:...
  • Page 190: Control System Configuration

    Chapter 6 6.1.3 Control System Configuration 0019-4282 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Controls for the laser exposure system are mainly performed by the DC controller PCB and image PCB. Laser driver PCB : iR3245 / 3235 /3230 J3182 : iR3225 J603...
  • Page 191: Basic Sequence

    Chapter 6 6.2 Basic Sequence 6.2.1 Basic Sequence 0019-4283 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Initial rotation INTR): After the control panel key is ON, the machine starts the scanner motor and rotates the laser scanner motor until it reaches the number of target rotation while keeping all laser OFF.
  • Page 192: Various Controls

    Chapter 6 6.3 Various Controls 6.3.1 Controlling the Laser Activation Timing 6.3.1.1 Laser ON/OFF Control 0019-4284 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Laser ON/OFF control is dependent on the combination of the laser control signal (A/B laser: CNT1-0/1-1/1-2, C/D laser: CNT0-0/0-1/0-2) from the image PCB. <A laser/B laser>...
  • Page 193: Main Scanning Synchronous Control

    Chapter 6 6.3.1.2 Main Scanning Synchronous Control 0019-4285 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Main scanning synchronous control is operated at synchronous PCB based on BD synchronous signal. Based on BD signal that is formed from A laser light detected by BD PCB, BD synchronous signal for each laser is formed inside image PCB. Image data written in the line memory is read out by the readable signal (RE_A, RE_B, RE_C, RE_D) according to the 4 phase differences formed inside the delay PCB based on the BD synchronous signal (BD_SYNCH) and is sent to the laser driver.
  • Page 194: Controlling The Laser Scanner Motor

    Chapter 6 6.3.3 Controlling the Laser Scanner Motor 6.3.3.1 Laser Scanner Motor Control 0019-4287 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N From when the laser scanner motor starts and the laser scanner motor reaches the number of target rotation to before image formation starts, the machine controls the rotation speed by referring to the laser scanner motor rotation speed signal (FG signal).
  • Page 195: Controlling The Laser Shutter

    Chapter 6 6.3.4 Controlling the Laser Shutter 6.3.4.1 Laser Shutter Control 0019-4288 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N When the right door opens, laser shutter will be closed by laser shutter link that works in conjunction with the right door and the laser light is blocked. Also, when the front door or right door open is detected, laser scanner motor and the laser emission will be turned OFF.
  • Page 196: Parts Replacement Procedure

    Chapter 6 2) Disconnect the connector [1] to remove the fixture [2]. 6.4 Parts Replacement Procedure 6.4.1 Laser Scanner Unit 6.4.1.1 Before Removing the Laser Unit 0018-9693 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the front cover unit. (page 10-17)Reference[Removing the Front Cover Unit] 2) Remove the left cover.
  • Page 197 Chapter 7 Image Formation...
  • Page 199 Contents Contents 7.1 Construction ...................................7-1 7.1.1 Specifications of the Image Formation System ........................... 7-1 7.1.2 Major Components of the Image Formation System ........................7-2 7.2 Image Formation Process...............................7-3 7.2.1 Image Formation Process (outline) .............................. 7-3 7.2.2 Image Formation Process (image formation) ..........................7-4 7.3 Basic Sequence ................................7-5 7.3.1 Sequence of Operation (initial rotation) ............................
  • Page 200 Contents 7.12.1 Pre-Exposure Lamp ................................. 7-18 7.12.1.1 Before Removing the Pre-Exposure Lamp ..............................7-18 7.12.1.2 Removing the Pre-Exposure Lamp................................7-18 7.12.2 Drum Unit ....................................7-18 7.12.2.1 Before Removing the Drum Unit................................7-18 7.12.2.2 Removing the Drum Unit ................................... 7-18 7.12.2.3 After Replacing Drum Unit ..................................7-19 7.12.3 Hopper Assembly..................................
  • Page 201: Construction

    Chapter 7 7.1 Construction 7.1.1 Specifications of the Image Formation System 0018-9694 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N T-7-1 Item Specifications/Mechanism/Method Photosensitive drum Type Diameter 30 mm Cleaning mechanism by cleaning blade Process speed 230 mm/sec (iR3245/3235/3230; Cassette) 137 mm/sec (iR3245/3235/3230;...
  • Page 202: Major Components Of The Image Formation System

    Chapter 7 7.1.2 Major Components of the Image Formation System 0018-9697 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-7-1 [1] Toner cartridge [2] Sub hopper [3] Developing assembly [4] Photosensitive drum [5] Transfer roller [6] Primary charging roller [7] Drum unit [8] Drum cleaning unit...
  • Page 203: Image Formation Process

    Chapter 7 7.2 Image Formation Process 7.2.1 Image Formation Process (outline) 0018-9698 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-7-2 T-7-2 Item Description [1]Pre-exposure removes residual charges from the drum. [2]Primary charging charges the surface of the photosensitive drum to a uniform negative potential. [3]Laser exposure forms a latent static image on the drum.
  • Page 204: Image Formation Process (Image Formation)

    Chapter 7 7.2.2 Image Formation Process (image formation) 0018-9699 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [ D ] [ E ] [ A ] [ C ] [ B ] F-7-3 [1] The difference in potential between the drum [A] surface and the developing cylinder [B] causes toner to adhere to the latent static image on the drum, turning the image into a visible image.
  • Page 205: Basic Sequence

    Chapter 7 7.3 Basic Sequence 7.3.1 Sequence of Operation (initial rotation) 0018-9701 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The sequence of operation of initial rotation is as follows: Pickup from the Cassette Registration Pickup motor Main motor (M-motor) Primary charging...
  • Page 206: Sequence Of Operation (Last Rotation)

    Chapter 7 7.3.3 Sequence of Operation (last rotation) 0018-9703 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The sequence of operation of last rotation is as follows: Image write Main motor (M-motor) Primary charging (PRI) Laser (LD) Developing AC (DEV_AC) Developing DC...
  • Page 207: Image Stabilization Control

    Chapter 7 7.4 Image Stabilization Control 7.4.1 Overview 0018-9704 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N At times, changes in the environment or wear on the machine can cause its image output to become unstable. To obtain a stable image, the machine uses the fol- lowing control mechanisms.
  • Page 208: Pascal Control (Image Gradation)

    Chapter 7 7.4.4 PASCAL Control (image gradation) 0019-0273 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Changes in temperature/humidity or wear on the machine can cause changes in gradation characteristics. The PASCAL control mechanism is used to stabilize gradation characteristics of images on paper. It makes up for the changes in gradation characteristics in response to changes in temperature/humidity or wear on the machine.
  • Page 209: Drum Unit

    Chapter 7 7.5 Drum Unit 7.5.1 Outline of the Drum Unit 7.5.1.1 Configuration 0018-9708 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-7-10 [1] Photosensitive drum [2] Primary charging assembly [3] Cleaning blade...
  • Page 210: Charging Mechanism

    Chapter 7 7.5.2 Charging Mechanism 7.5.2.1 Controlling the Primary Charging Bias 0018-9709 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The primary charging bias consists of AC and DC components. AC bias: 2700 Vp-p (max.) DC bias: -450 V to -850 V These AC and DC biases are applied between sheets while an image is being formed (until the end of the ongoing job).
  • Page 211: Developing Unit

    Chapter 7 7.7 Developing Unit 7.7.1 Configuration 0018-9713 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-7-12 [1] Developing cylinder [2] Stirring plate [3] Feeding screw 7.7.2 Controlling the Developing Bias 0018-9715 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The developing bias consists of AC and DC components.
  • Page 212: Toner Container

    Chapter 7 7.8 Toner Container 7.8.1 Configuration 0018-9716 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-7-13 [1] Toner Cartridge Points to Note on Handing the Toner Cartridge - Care should be taken not to bump the toner stop [1] against the covers or the like when and after removing the toner cartridge. Since the toner stop comes off easily, toner scattering may be resulted if it comes off by accident.
  • Page 213: Route Of Toner Supply

    Chapter 7 7.8.2 Route of Toner Supply 0018-9717 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N When the user fits the toner cartridge [1] in place, toner is temporarily stored in the sub hopper [2], inside which is a sensor (TS2) that makes sure that the amount of toner remains at a specific level at all times.
  • Page 214: Toner Supply Control

    Chapter 7 7.8.4 Toner Supply Control 0018-9719 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Supply of Toner from the Toner Bottle to the Sub Hopper If the "absence of toner inside the sub hopper" is detected while the main motor (M2/M22) is rotating, the toner bottle motor (M5) is rotated intermittently (on for 3 sec, off for 2 sec).
  • Page 215: Transfer Unit

    Chapter 7 7.9 Transfer Unit 7.9.1 Outline of the Transfer Unit 7.9.1.1 Outline 0018-9722 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The transfer unit [1] consists of the transfer roller and the static eliminator. The transfer roller rotates in connection with the photosensitive drum. Bias is applied to the static eliminator so that sheets can be separated from the drum.
  • Page 216: Transfer Mechanism

    Chapter 7 7.10 Transfer Mechanism 7.10.1 Transfer Guide Bias 7.10.1.1 Transfer Guide Bias Control 0018-9726 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N To prevent soiling of the transfer guide with toner or the photosensitive drum with toner images, the following transfer guide bias is applied to the transfer guide. The surface of the transfer guide is covered with an insulating sheet.
  • Page 217: Photosensitive Drum Cleaning

    Chapter 7 7.11 Photosensitive Drum Cleaning 7.11.1 Outline 0018-9728 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The photosensitive drum cleaning mechanism uses the photosensitive drum cleaning blade to scrape off the residual toner left behind from transfer; the toner thus collected is moved to the waste toner box.
  • Page 218: Parts Replacement Procedure

    Chapter 7 7.12.2.2 Removing the Drum Unit 0018-9794 7.12 Parts Replacement Procedure iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Open the right cover [1]. 7.12.1 Pre-Exposure Lamp 7.12.1.1 Before Removing the Pre-Exposure Lamp 0018-9788 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the front cover unit.
  • Page 219: After Replacing Drum Unit

    Chapter 7 5) Remove the drum unit [1]. the Developing Assembly] 11) Remove the pre-exposure lamp. (page 7-18)Reference[Removing the Pre-Exposure Lamp] 12) Remove the laser scanner unit. (page 6-8)Reference[Removing the La- ser Unit] 7.12.3.2 Removing the Hopper Unit 0018-9796 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Pull out the harness [4] from the hole [3] of the plate.
  • Page 220: Sub Hopper

    Chapter 7 2) Check the phase of the gear [1] shown in the figure. 7.12.4 Sub Hopper 7.12.4.1 Before Removing the Sub Hopper 0018-9797 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Remove the toner container. 2) Remove the front cover unit.
  • Page 221: Developing Assembly

    Chapter 7 6) Remove the bushing unit [2] from the sub hopper [1]. 2) Shift the locking lever [1] to the left to release the pressure of the devel- oping assembly. F-7-33 F-7-37 7) Disconnect the connector [1]. 3) Slightly pull out the developing assembly [1] toward the front to discon- nect the connector [2].
  • Page 222: After Replacing Developing Assembly/Developing Cylinder

    Chapter 7 Developing Assembly] 7.12.6.2 Removing the Developing Cylinder 0018-9801 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Take note of the following points when removing the developing cylinder from the developing assembly: Lots of self-tapping screws are used. Be careful not to damage the screw holes by tightening the self-tapping screws.
  • Page 223: After Replacing Developing Assembly/Developing Cylinder

    Chapter 7 4) Detach the angle adjustment plate [3]. 8) Remove the 2 screws [1] to remove the blade unit [2]. - 1 self-tapping screw [1] - 1 washer screw [2] Do not remove the transfer upper guide [3]. Otherwise, the following trouble may occur because the attaching position is inappropriate (lost): - Soil on the paper's lead edge (surface) - Jam...
  • Page 224: Transfer Charging Roller

    Chapter 7 4) Remove the transfer roller [1] toward the front. 1) Execute toner stirring. COPIER> FUNCTION> INSTALL> STIR-K 2) Clear the counter of consumables. COPIER> COUNTER> DRBL-1> DVG-CYL 3) Execute auto gradation correction (additional function mode) Additional functions> Adjustment/cleaning> Auto gradation correction...
  • Page 225: Toner Level Sensor

    Chapter 7 1) Remove the toner container. 2) Remove the front cover unit. (page 10-17)Reference[Removing the Point to note when attaching the waste toner container Front Cover Unit] 3) Remove the waste toner container. (page 7-24)Reference[Removing the After attaching the waste toner container, be sure to move the waste toner full detection lever [1] up and down to check that the lever moves smoothly.
  • Page 226: Static Charge Eliminator

    Chapter 7 7.12.11 Static Charge Eliminator 7.12.11.1 Removing the Static Eliminator 0018-9809 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N 1) Press the release button [1] and open the right cover [2]. F-7-60 2) Remove the screw [1]. F-7-61 3) Remove the static eliminator [1].
  • Page 227 Chapter 8 Pickup/Feeding System...
  • Page 229 Contents Contents 8.1 Construction ...................................8-1 8.1.1 Specifications, Controls, and Functions............................8-1 8.1.2 Division into Blocks ..................................8-2 8.1.3 Arrangement of Rollers................................8-3 8.1.4 Diagram of Paper Paths (w/ 3 Way Unit-A1/ copy tray)......................8-4 8.1.5 Diagram of Paper Paths (w/ Inbody Finisher/ copy tray) ......................8-5 8.1.6 Diagram of Paper Paths (w/ Finisher/Saddle Finisher)........................
  • Page 230 Contents 8.8.4.1 Before Removing the Sensor Mounting Plate .............................. 8-31 8.8.4.2 Removing the Sensor Mounting Plate ................................8-31 8.8.4.3 Attaching the Sensor Mounting Plate ................................8-31 8.8.5 Cassette Pick-up Motor 1................................8-32 8.8.5.1 Before Removing the Cassette Pickup Motor 1............................8-32 8.8.5.2 Removing the Cassette Pickup Motor 1 ...............................
  • Page 231 Contents 8.8.23 Duplex Feed Roller 2 ................................8-42 8.8.23.1 Before Removing the Duplex Feed Roller 2...............................8-42 8.8.23.2 Removing the Duplex Feed Roller 2................................8-43 8.8.24 Duplex Feed Motor .................................. 8-43 8.8.24.1 Before Removing the Duplex Feed Motor (iR 3245/3235/3230) .......................8-43 8.8.24.2 Removing the Duplex Feed Motor (iR 3245/3235/3230) ...........................8-43 8.8.25 Duplex Feed Sensor .................................
  • Page 233: Construction

    Chapter 8 8.1 Construction 8.1.1 Specifications, Controls, and Functions 0018-9731 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N T-8-1 Specifications/Mechanism/ Item Method Paper compartment front loading Pickup method cassette separation retard manual feeder separation pad Paper reference center Paper volume cassette 1/2...
  • Page 234: Division Into Blocks

    Chapter 8 8.1.2 Division into Blocks 0018-9732 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-8-1 [1] Pickup assembly (cassette 2) [2] Pickup assembly (cassette 1) [3] Manual feed pickup assembly [4] Registration roller assembly [5] Transfer assembly [6] Duplexing/feeding assembly [7] Fixing assembly [8] No.1 delivery assembly...
  • Page 235: Arrangement Of Rollers

    Chapter 8 8.1.3 Arrangement of Rollers 0018-9734 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [33] [32] [31] [30] [29] [28] [27] [26] [25] [24] [34] [23] [35] [22] [21] [20] [19] [18] [17] [16] [15] [14] [13] [12] [11]...
  • Page 236: Diagram Of Paper Paths (W/ 3 Way Unit-A1/ Copy Tray)

    Chapter 8 8.1.4 Diagram of Paper Paths (w/ 3 Way Unit-A1/ copy tray) 0018-9737 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-8-3 [1] Pickup from cassette 1 [2] Pickup from cassette 2 [3] Pickup from cassette pedestal (option) [4] Pickup from side paper deck (option) [5] Pickup from manual feeder [6] Delivery to copy tray 1...
  • Page 237: Diagram Of Paper Paths (W/ Inbody Finisher/ Copy Tray)

    Chapter 8 8.1.5 Diagram of Paper Paths (w/ Inbody Finisher/ copy tray) 0018-9738 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-8-4 [1] Pickup from cassette 1 [2] Pickup from cassette 2 [3] Pickup from cassette pedestal (option) [4] Pickup from paper deck (option) [5] Pickup from manual feeder [6] Delivery to inbody finisher (option)
  • Page 238: Diagram Of Paper Paths (W/ Finisher/Saddle Finisher)

    Chapter 8 8.1.6 Diagram of Paper Paths (w/ Finisher/Saddle Finisher) 0018-9739 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N F-8-5 [1] Pickup from cassette 1 [2] Pickup from cassette 2 [3] Pickup from cassette pedestal (option) [4] Pickup from paper deck (option) [5] Pickup from manual feeder [6] Delivery to finisher/saddle finisher (option) [7] No.2 delivery assembly (option)
  • Page 239: Arrangement Of Sensors

    Chapter 8 8.1.7 Arrangement of Sensors 0018-9740 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N [19] [18] [17] [16] [15] [13] [12] [11] [10] F-8-6 Cassette 1 paper level sensor B (PS4) Cassette 1 paper level sensor A (PS3) Cassette 2 paper level sensor B (PS6) Cassette 2 paper level sensor A (PS5) Cassette 2 paper sensor (PS2)
  • Page 240: Route Of Drive

    Chapter 8 8.1.8 Route of Drive 0018-9741 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N For iR3245/3235/3230 - Main Body F-8-7 Main motor SL1: Cassette pickup solenoid 1 Fixing motor SL2: Cassette pickup solenoid 2 No.1 delivery motor CL1: Manual pickup clutch Cassette pickup motor 1...
  • Page 241 Chapter 8 For iR3225 CL12 F-8-9 M22: Main motor SL1: Cassette pickup solenoid 1 Fixing motor SL2: Cassette pickup solenoid 2 No.1 delivery motor CL1: Manual pickup clutch Cassette pickup motor 1 CL12: Registration clutch Cassette pickup motor 2 CL4: Duplexing/feed clutch...
  • Page 242: Basic Sequence

    Chapter 8 8.2 Basic Sequence 8.2.1 Basic Sequence 0018-9742 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N Basic Sequence of Operation for Making 3 Prints Print Start PRINT Cassette 1 pickup motor (M6) Cassette 1 pickup solenoid (SL1) Cassette 1 retry sensor (PS10) Main motor...
  • Page 243 Chapter 8 - Inbody Finisher in Use For iR3245/3235/3230 F-8-12 For iR3225 F-8-13 [1] Increase in Speed for Pickup Operation The speed is 1.5 times as high as the process speed (no increase if for manual feed pickup/in the case of the 1st sheet from cassette 1, accelerates to about twice as fast).
  • Page 244 Chapter 8 For iR3245/3235/3230 F-8-14 8-12...
  • Page 245 Chapter 8 For iR3225 F-8-15 [1] Increase in Speed for Pickup Operation The speed is 1.5 times as high as the process speed (no increase if for manual feed pickup/in the case of the 1st sheet from cassette 1, accelerates to about twice as fast).
  • Page 246: Detecting Jams

    Chapter 8 8.3 Detecting Jams 8.3.1 Delay Jams 8.3.1.1 Delay Jam Outside the Cassette Pickup Assembly 0018-9744 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N A delay jam outside the cassette pickup assembly is identified as follows: The length of time it takes for paper to move from the sensor N-1 to the delay jam sensor N is kept under control;...
  • Page 247: Stationary Jams

    Chapter 8 8.3.2 Stationary Jams 8.3.2.1 Common Stationary Jam 0018-9746 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The sensor N does not go off within a specific length of time after the sensor has gone on. Start key ON or PRINT set INTR...
  • Page 248: Paper Size Mismatch Jam

    Chapter 8 8.3.3.2 Paper size mismatch JAM 0019-9868 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N If the paper size (length in horizontal direction) specified with the cassette size dial and the paper size actually fed are different, JAM is generated. The paper length at feeding is identified by registration front sensor (PS9).
  • Page 249: Cassette Pick-Up Unit

    Chapter 8 8.4 Cassette Pick-Up Unit 8.4.1 Overview 0018-9749 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The paper inside the cassette is held up by the lifter plate. When pickup takes place, the pickup solenoid (SL1, SL2) is turned on, and the pickup roller is moved down. When the pickup roller comes into contact with the surface of paper, the sheet is picked up by rotation of the roller.
  • Page 250: Identifying The Paper Size

    Chapter 8 8.4.3 Identifying the Paper Size 0018-9752 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The size of paper inside the cassette is detected by the cassette size dial, and is communicated to the cassette size detection PCB. As may as 15 positions may be detected with reference to the combinations of on and off states of the array of 4 actuators mounted to the cassette size detection PCB on the printer side and operating in conjunction with the cassette size dial.
  • Page 251: Setting Up The Universal Cassette

    Chapter 8 Inch-configuration T-8-8 Size (no cassette) STMTR LTRR 11x17 EXEC Envelope ON/OFF MEMO: - SW4 is used to detect the state of the AB/Inch-configuration switch. - The machine will assume the absence of a cassette if it detects a combination not found in the table. At this time, it does not move up the cassette lifter. - Since the paper size is not identified, there will be no indication of a paper size on the control panel;...
  • Page 252: Paper Level Sensor

    Chapter 8 8.4.5 Paper Level Sensor 0018-9754 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The level of paper inside the cassette is checked using the following sensors: T-8-10 Cassette 1 Cassette 2 Paper level sensor A Paper level sensor B Paper sensor F-8-22...
  • Page 253 Chapter 8 View from the Front of the Machine When full with paper Cassette paper Cassette paper level sensor B level sensor A Paper When half full with paper Paper Cassette paper Cassette paper level sensor A level sensor B OFF ON When there is little paper Paper...
  • Page 254: Manual Feed Pickup Unit

    Chapter 8 8.5 Manual Feed Pickup Unit 8.5.1 Overview 0018-9755 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The paper in the tray of the manual feed pickup unit is forced against the manual feed pickup roller by the work of the pickup guide plate, and only a single sheet of paper is separated and moved into the machine by the work of the manual feed pickup roller and the separation pad.
  • Page 255: Identifying The Paper Size

    Chapter 8 8.5.3 Identifying the Paper Size 0018-9757 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The width of paper is detected with reference to the output of the variable resistor (SVR1), which operates in conjunction with the movement of the side guide. The side guide in the manual feed tray is set when the user moves it to place paper in the cassette.
  • Page 256: Paper Retaining Mechanism

    Chapter 8 8.5.4 Paper Retaining Mechanism 0018-9758 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N When manual feed pickup operation starts, the manual feed pickup guide plate up/down solenoid (SL3) is turned on and the manual feed pickup guide plate moves The paper in the manual feed pickup tray is forced against the manual feed pickup roller by the work of the pickup guide plate.
  • Page 257: Registration Unit

    Chapter 8 8.6 Registration Unit 8.6.1 Overview 0018-9759 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N The registration roller is driven by the main motor (M2/M22). In between the registration roller and the main motor is the registration clutch (CL2/CL12), servicing to turn on and off the registration roller so that the paper will be matched in relation to the image on the drum at correct registration.
  • Page 258: Duplex Feeding Unit

    Chapter 8 8.7 Duplex Feeding Unit 8.7.1 Overview 0018-9761 iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N A different drive source is used for the duplexing feeding roller 1 and 2 depending on the model. iR3245/3235/3230: Duplexing feeding motor (M10) iR3225: Main motor (M22) + Duplexing feeding clutc