Canon LBP3250 Series Service Manual
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Canon LBP3250 Series Service Manual

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Service Manual
LBP3250 Series
LBP3250
Aug 13 2008

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Summary of Contents for Canon LBP3250 Series

  • Page 1 Service Manual LBP3250 Series LBP3250 Aug 13 2008...
  • Page 2 Canon will release technical information as the need arises. In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.
  • Page 3 Introduction Symbols Used This documentation uses the following symbols to indicate special information: Symbol Description Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning. Indicates an item requiring care to avoid electric shocks. Indicates an item requiring care to avoid combustion (fire). Indicates an item prohibiting disassembly to avoid electric shocks or problems.
  • Page 4 Introduction The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with 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 5: Table Of Contents

    Contents Contents Chapter 1 PRODUCT DESCRIPTION 1.1 Features ..............................1- 1 1.1.1 Features .................................. 1- 1 1.2 Product Specifications ..........................1- 2 1.2.1 Specifications ................................1- 2 1.3 Name of Parts.............................1- 3 1.3.1 External View................................1- 3 1.3.2 Cross Section ................................1- 4 1.4 Using the Machine ............................1- 5 1.4.1 Control Panel................................
  • Page 6 Contents 2.5 PICKUP AND FEEDING SYSTEM......................2- 15 2.5.1 Overview/Configuration............................2- 15 2.5.1.1 Overview ....................................2- 15 2.5.2 Detecting Jams ..............................2- 16 2.5.2.1 Jam Detection Outline................................2- 16 2.5.2.2 Delay Jams .................................... 2- 17 2.5.2.3 Stationary Jams ..................................2- 17 2.5.2.4 Other Jams .................................... 2- 17 2.6 EXTERNAL AND CONTROLS SYSTEM ....................
  • Page 7 Contents 3.1.11.1 Before Removing the Main Controller PCB..........................3- 8 3.1.11.2 Removing the Main Controller PCB ............................3- 8 3.1.12 Top sensor................................3- 8 3.1.12.1 Before Removing the Paper Lead Edge Sensor ........................3- 8 3.1.12.2 Removing the Paper Lead Edge Sensor..........................3- 8 3.1.13 Sensor Boade ................................
  • Page 8 Contents 5.2 SERVICE TOOLS ............................5- 2 5.2.1 Standard tools................................5- 2 5.2.2 Special Tool ................................5- 2 5.2.3 List of solvent/ lubricant ............................5- 2 5.3 ERROR CODE TABLE..........................5- 3 5.3.1 Overview ..................................5- 3 5.3.2 Service Message ..............................5- 4 5.4 Version Up..............................5- 4 5.4.1 Upgrade ...................................5- 4 Chapter 6 APPENDIX 6.1 OUTLINE OF ELECTRICAL COMPONENTS ....................

  • Page 9: Chapter 1 Product Description

    Chapter 1 PRODUCT DESCRIPTION...
  • Page 10 Contents Contents 1.1 Features ..................................1-1 1.1.1 Features ......................................1-1 1.2 Product Specifications..............................1-2 1.2.1 Specifications ....................................1-2 1.3 Name of Parts.................................1-3 1.3.1 External View ....................................1-3 1.3.2 Cross Section ....................................1-4 1.4 Using the Machine .................................1-5 1.4.1 Control Panel ....................................1-5 1.5 Safety .....................................1-5 1.5.1 Safety of Laser Light ...................................

  • Page 11: Features

    Chapter 1 1.1 Features 1.1.1 Features 0019-9494 1. Small-size, high-speed monochrome printer This equipment has a compact body that realizes high-speed print of 23 ppm. 2. Reduction in standby time and energy consumption This equipment employs on-demand fixing where the heater activates only during printing, resulting in a reduction in standby time and energy consumption on this mode.

  • Page 12: Product Specifications

    Chapter 1 1.2 Product Specifications 1.2.1 Specifications 0019-9496 Body installation method desktop page printer Photosensitive medium OPC drum Exposure method semiconductor laser Development method Toner projection development Transfer method by roller Separation method Curvature Pickup-tray pickup method by pad Multifeeder pickup method by pad Drum cleaning method by blade...

  • Page 13: Name Of Parts

    Chapter 1 1.3 Name of Parts 1.3.1 External View 0019-9497 [10] [11] [12] F-1-1 [1] Power switch [2] Delivery auxiliary tray [3] Delivery tray [4] Manual feed tray paper guide [5] Manual feed tray [6] Tray cover [7] Pickup tray [8] Rear paper guide [9] Pickup tray Paper guide [10] USB cover...

  • Page 14: Cross Section

    Chapter 1 1.3.2 Cross Section 0019-9498 [13] [12] [11] [10] F-1-2 [1] Fixing unit [2] Pressure roller [3] Fixing sleeve unit [4] Delivery roller [5] Laser scanner unit [6] Manual feed tray [7] Pickup tray [8] Photosensitive drum [9] Pickup roller [10] separation pad [11] Feed roller [12] Transfer roller...

  • Page 15: Using The Machine

    Chapter 1 1.4 Using the Machine 1.4.1 Control Panel 0019-9499 F-1-3 [1] Power lamp (green) Lighting: Indicates that the power of the host machine is turned on. Not lighting: Indicates that the power of the host machine is not turned on. [2] Paper lamp/paper key (red) <Lamp>...

  • Page 16: Safety Of Toner

    Chapter 1 1.5.3 Safety of Toner 0019-9502 The machines toner is a non-toxic material made up of plastic, iron, and small amounts of dye. Do not throw toner into fire. Doing so can lead to explosion. Toner on Clothing or Skin 1.

  • Page 17: Chapter 2 Technical Reference

    Chapter 2 TECHNICAL REFERENCE...
  • Page 18 Contents Contents 2.1 Functional Configuration ...............................2-1 2.1.1 Outline......................................2-1 2.2 Basic Sequence ................................2-1 2.2.1 Basic Sequence of Operation ............................... 2-1 2.2.2 Power-On Sequence..................................2-2 2.3 LASER EXPOSURE SYSTEM.............................2-3 2.3.1 Overview/Configuration ................................2-3 2.3.1.1 Overview .........................................2-3 2.3.2 Controlling the Laser Activation Timing............................. 2-4 2.3.2.1 Laser ON/OFF Control ....................................2-4 2.3.2.2 Horizontal Sync Control ....................................2-4 2.3.3 Laser Control ....................................
  • Page 19 Contents 2.6.1.2.2 Safety function ...................................... 2-19 2.7 ENGINE CONTROL SYSTEM ..........................2-20 2.7.1 Main Controller..................................2-20 2.7.1.1 General description ....................................... 2-20 2.7.2 Engine Controller..................................2-21 2.7.2.1 General description ....................................... 2-21 2.8 FIXING UNIT/DELIVERY SYSTEM ........................2-22 2.8.1 Overview/Configuration ................................2-22 2.8.1.1 Overview........................................

  • Page 20: Functional Configuration

    Chapter 2 2.1 Functional Configuration 2.1.1 Outline 0019-9506 The machine may be broadly divided into the following 6 functional blocks: engine control system, laser exposure system, image formation system, pickup/trans- port/delivery system, fixing system, and externals/auxiliary control system. Laser exposure system Image formation system Pickup/transport/delivery system Engine control...

  • Page 21: Power-On Sequence

    Chapter 2 2.2.2 Power-On Sequence 0019-9508 The sequences from the power-ON to the STBY period are described below. 1) Power-ON 2) CPU initialization 3) Video interface communication start 4) Residual paper check Detecting paper presence by each sensor signaling. 5) Initial drive for main motor 6) Initial drive for fixing heater Controlling fixing temperature targeting for 120 deg C.

  • Page 22: Laser Exposure System

    Chapter 2 2.3 LASER EXPOSURE SYSTEM 2.3.1 Overview/Configuration 2.3.1.1 Overview 0019-9509 The laser exposure system forms static latent images on the photosensitive drum according to the VIDEO signals sent from the main controller, and is comprised of the laser driver and scanner motor, etc. There are controlled by the engine controller. The following is the outline. Photosensitive drum BD sensor Cylindrical lens...

  • Page 23: Controlling The Laser Activation Timing

    Chapter 2 2.3.2 Controlling the Laser Activation Timing 2.3.2.1 Laser ON/OFF Control 0019-9510 In this control, the laser driver turns on/off the 2 laser diodes (LD1, LD2) according to the laser control signal sent from the engine controller. The following is the circuit diagram of the laser control. Engine controller PCB Laser driver PCB IC101...

  • Page 24: Laser Control

    Chapter 2 2.3.3 Laser Control 2.3.3.1 Auto Power Control (APC) 0019-9512 This is the control to emit a constant level of laser diode. There are two types of APC; initial APC (note 1), and line space APC (note 2). The laser driver executes the same procedure for both controls. The following is the details of the control procedure.

  • Page 25: Scanner Motor Fault Detection

    Chapter 2 2.3.4.2 Scanner Motor Fault Detection 0019-9514 This is the detection of faults in the laser scanner unit. When the laser unit scanner unit falls into either of the following status, the engine controller judges it as a fault in the laser scanner unit system and notices the status of fault to the main controller.

  • Page 26: Image Formation System

    Chapter 2 2.4 IMAGE FORMATION SYSTEM 2.4.1 Overview/Configuration 2.4.1.1 Overview 0019-9515 The image formation system is the core of this equipment; it forms toner images on papers. The image formation system is comprised of the following components. The engine controller controls the laser scanner unit and high-voltage power supply circuit and forms images based on the video signals on papers. The following are the details of print process for this equipment and the functions of image formation.

  • Page 27: Print Process

    Chapter 2 2.4.1.2 Print Process 0019-9516 This explains the basic process of the operations that a printer executes for image formation. The print process of this equipment is divided largely into 5 blocks, 7 steps. Toner images are formed on papers by executing the steps of each block in order. The following are the blocks of print process and the steps.

  • Page 28: Static Latent Image Formation Block

    Chapter 2 2.4.1.3 Static Latent Image Formation Block 0019-9517 This block is comprised of two steps and forms static latent images on the photosensitive drum. When the final step of this block completes, negative charge remains at dark areas on the drum surface where laser beam has not been exposed, and negative charge is eliminated from bright areas on the drum surface with laser beam exposed.

  • Page 29: Development Block

    Chapter 2 2.4.1.4 Development Block 0019-9518 This block is comprised of one step; it puts toners to the static latent images on the surface of the photosensitive drum and visualizes the images using toner pro- jection development. The toner projection development makes the toner jump on the surface of the photosensitive drum and develops the images. The toner (developer) used for this equipment is a one-component toner that comprises magnetic body and resin, etc.

  • Page 30: Transfer Block

    Chapter 2 2.4.1.5 Transfer Block 0019-9519 This block is comprised of two steps; it transfers toner images on the surface of the photosensitive drum to papers. Step 4: Transfer In this step, toner images on the photosensitive drum are transferred to papers. This equipment applies DC positive bias to the transfer roller facing the photosensitive drum and charges papers positively.

  • Page 31: Fixing Block

    Chapter 2 2.4.1.6 Fixing Block 0019-9520 This block applies pressure and heat to papers and the toner on them to fix toner images to the papers. Step 6: Fixing This step employs on-demand fixing that fixes toner images transferred to papers on the papers. Fixing heater Fixing film Toner...

  • Page 32: High-Voltage Control

    Chapter 2 2.4.2 High-Voltage Control 2.4.2.1 Overview 0019-9522 This circuit is comprised of the circuits that apply biases to the primary charging roller, developing cylinder, transfer roller, and the fixing control circuit. The CPU of the engine controller controls the high-voltage power supply circuit to generate these biases. The fixing control circuit executes heater control of the fixing as- sembly according to the instruction by the CPU of the engine controller.

  • Page 33: Toner Cartridge

    Chapter 2 2.4.3 Toner Cartridge 2.4.3.1 Toner Level Detection 0019-9526 This equipment has no function of toner level detection. 2.4.3.2 Toner Cartridge Absence/Presence Detection 0019-9527 The engine controller detects the position of the Toner cartridge detection flag to judge the absence/presence of the Toner cartridge. At the time of turning on the power or closing the upper cover, the engine controller judges the position of the Toner cartridge flag based on the output result of the leading edge sensor (PS801).

  • Page 34: Pickup And Feeding System

    Chapter 2 2.5 PICKUP AND FEEDING SYSTEM 2.5.1 Overview/Configuration 2.5.1.1 Overview 0019-9528 The pickup and feeding system executes pickup and feeding of papers and is composed of the main motor, solenoid, and rollers. In this equipment, pickup from the pickup tray and manual feed tray is available. There is only a face-down delivery. Papers set on the pickup tray and manual feed tray are fed by the same pickup roller.

  • Page 35: Detecting Jams

    Chapter 2 2.5.2 Detecting Jams 2.5.2.1 Jam Detection Outline 2.5.2.1.1 Overview 0019-9529 The following sensors are installed to detect absence/presence of papers and whether papers are correctly fed. - Fixing delivery sensor (PS701) - Paper width sensor (PS702) - Leading edge sensor (PS801) PS702 PS701 PS801...

  • Page 36: Delay Jams

    Chapter 2 2.5.2.2 Delay Jams 2.5.2.2.1 Delivery Delay Jam 0019-9530 - If there is no paper ahead on paper path: CPU detects delivery delay jam in the case that the sheet (to print) does not reach the fixing delivery sensor (PS701) within 1.5 sec (approximately) after it reaches the leading edge sensor (PS801).

  • Page 37: External And Controls System

    Chapter 2 2.6 EXTERNAL AND CONTROLS SYSTEM 2.6.1 Power Supply 2.6.1.1 Power Supply 2.6.1.1.1 Low voltage power circuit 0019-9541 This circuit is to convert the AC power that is input by the power receptacle to the DC power and supply it to each load. AC power is supplied to the low voltage circuit when the power switch (SW1) is turned ON.

  • Page 38: Protective Functions

    Chapter 2 2.6.1.2 Protective Functions 2.6.1.2.1 Power protective function 0019-9542 Low voltage power circuit carries the overcurrent preventive function against and overvoltage preventive function that block the voltage output automatically to prevent the power circuit brokerage when the overcurrent or overvoltage occur due to load errors such as short circuit etc. Thus, when the DC power cannot be output from the low voltage circuit, the protective function against overcurrent or overvoltage may be working.

  • Page 39: Engine Control System

    Chapter 2 2.7 ENGINE CONTROL SYSTEM 2.7.1 Main Controller 2.7.1.1 General description 0019-9544 Main controller receives the print information from the external devices (computer etc.) through the interface cable. Print information is divided into 2 types such as CAPT command data to handle the printer status or specific data and the dot data to printout. After the main controller receives the dot data, it creates the video data and send it to the engine controller.

  • Page 40: Engine Controller

    Chapter 2 2.7.2 Engine Controller 2.7.2.1 General description 0019-9545 Engine controller is the circuit to control the operation sequence of the host machine and it is controlled by the CPU inside the engine controller. When the power is turned ON and DC power is supplied through the low voltage power inside engine controller, CPU starts the printer operation control. Then, CPU drives the loads such as laser diode, motors and solenoids etc.

  • Page 41: Fixing Unit/Delivery System

    Chapter 2 2.8 FIXING UNIT/DELIVERY SYSTEM 2.8.1 Overview/Configuration 2.8.1.1 Overview 0019-9535 Fixing/delivery system consists of the fixing film unit, pressure roller and delivery roller etc. These rollers are driven by the main motor (M1). The paper that toner is transferred to are heated by the fixing heater of the fixing film unit and pressured by the pressure roller. The paper that toner is fused on is delivered from the fixing assembly, detected by the fixing delivery sensor (PS701) and the paper width sensor (PS702), and then delivered to the delivery tray by the delivery roller.

  • Page 42: Various Control Mechanisms

    Chapter 2 2.8.2 Various Control Mechanisms 2.8.2.1 Fixing Temperature Control 2.8.2.1.1 Fixing Temperature Control 0019-9537 The fixing temperature control is to keep the fixing heater in the fixing film unit to the specified temperature. The engine controller monitors the fixing heater temperature detection signal (FSRTH) and outputs the fixing heater drive signal (FSRD) according to the detected temperature.

  • Page 43: Protective Functions

    Chapter 2 2.8.2.2 Protective Functions 2.8.2.2.1 Protective Function of Fixing Unit 0019-9538 Host machine carries the following 3 functions to prevent the fixing heater from overheating. 1) Protective function by CPU CPU of engine controller monitors the thermistor (TH1) temperature consistently. When TH1 reaches approx 220 deg C, CPU determines that the fixing heater is overheating and stops the fixing heater drive signal (FSRD) output and also turns OFF relays to shut the power supply to fixing heater.

  • Page 44: Other Functions

    Chapter 2 2.8.3 Other Functions 2.8.3.1 Throughput Down Control 0019-9540 This machine performs the throughput down control that extends the paper interval and lower the printing speed to prevent the edge of the fixing heater from over- heating at continuous printing of small paper (the paper with narrow width) and to prevent the fixing heater unit from overheating at high-volume continuous print- ing.

  • Page 45: Chapter 3 Disassembly And Assembly

    Chapter 3 DISASSEMBLY AND ASSEMBLY...
  • Page 46 Contents Contents 3.1 EXTERNAL AND CONTROLS SYSTEM ........................3-1 3.1.1 Rear Cover ....................................3-1 3.1.1.1 Before Removing the Rear Cover ...................................3-1 3.1.1.2 Removing the Rear Cover ....................................3-1 3.1.2 Right Cover ....................................3-1 3.1.2.1 Before Removing the Right Cover..................................3-1 3.1.2.2 Removing the Right Cover....................................3-1 3.1.3 Left Cover ....................................
  • Page 47 Contents 3.4.2.1 Removing the Pickup Roller..................................3-15 3.4.3 Cassette Pickup solenoid................................3-15 3.4.3.1 Before Removing the Pickup Solenoid................................. 3-15 3.4.3.2 Removing the Pickup Solenoid..................................3-16 3.4.4 Cassette Separation Pad ................................3-16 3.4.4.1 Removing the Separation Pad..................................3-16 3.5 FIXING SYSTEM............................... 3-16 3.5.1 Fixing Unit ....................................

  • Page 48: External And Controls System

    Chapter 3 3.1 EXTERNAL AND CONTROLS SYSTEM 3.1.2 Right Cover 3.1.2.1 Before Removing the Right Cover 3.1.1 Rear Cover 0019-7715 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper Cover] 3.1.1.1 Before Removing the Rear Cover 0019-7719 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper 3.1.2.2 Removing the Right Cover Cover] 0019-7716...

  • Page 49: Upper Cover

    Chapter 3 F-3-5 3) Remove the 3 claws [1] of the upper cover in the direction of arrow [A]. 4) While removing the 3 hooks [2], remove the upper cover [3] in the direc- tion of arrow [B]. F-3-3 3.1.4 Upper Cover 3.1.4.1 Removing the Upper Cover 0019-7713 1) Open the delivery auxiliary tray [1] and the delivery tray [2].

  • Page 50: Front Cover

    Chapter 3 F-3-8 3.1.7 Pickup Tray 3.1.7.1 Before Removing the Pickup Tray 0019-7787 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper 3.1.5 Front Cover Cover] 2) Remove the left cover. (page 3-1)Reference[Removing the Left Cover] 3.1.5.1 Before Removing the Front Cover 3) Remove the right cover.

  • Page 51: Drive Unit

    Chapter 3 4) Remove the 2 projections [3] from the 2 boss holes [2] at both sides (left and right) to remove the pickup tray unit [4]. F-3-11 3.1.8 Drive Unit 3.1.8.1 Before Removing the Drive Belt 0019-7810 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper Cover] 2) Remove the right cover.

  • Page 52: Main Drive Unit

    Chapter 3 3.1.9 Main Drive Unit 3.1.9.1 Before Removing the Main Motor 0019-7835 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper Cover] 2) Remove the left cover. (page 3-1)Reference[Removing the Left Cover] 3) Remove the right cover. (page 3-1)Reference[Removing the Right Cov- 4) Remove the front cover.
  • Page 53 Chapter 3 F-3-18 4) Disconnect the connector [1]. F-3-20 6) Free the motor harness [2] from the harness guide [1]. 7) Remove the motor guide [3]. - 1 screw [4] F-3-19 5) Remove the motor driver PCB [1]. - 3 claws [2] F-3-21 8) Remove the main motor [1].

  • Page 54: Engine Controller Board

    Chapter 3 F-3-22 Point to Note at Installation - When installing the laser scanner cover [1], be sure to put the shutter lever [2] through the scanner cover's hole [3]. F-3-23 2) Remove the terminal [1] to free the harness [3] from the harness guide [2]. 3.1.10 Engine controller board 3.1.10.1 Before Removing the Engine Controller PCB 0019-8114...

  • Page 55: Main Controller Pcb

    Chapter 3 F-3-25 F-3-26 Point to Note at Installation 2) Remove the claw [1] to remove the guide [2]. When installing the terminal [1], be sure to make it in contact with the 3) Remove the main controller PCB [3]. contact spring [2] as shown in the figure below.

  • Page 56: Sensor Boade

    Chapter 3 F-3-30 Point to Note at Installation When installing the terminal [1], be sure to make it in contact with the terminal spring [2] as shown in the figure below. F-3-28 2) Remove the terminal [1] and free the harness [3] from the harness guide [2].

  • Page 57: Laser Exposure System

    Chapter 3 F-3-33 Point to Note at Installation When installing the terminal [1], be sure to make it in contact with the F-3-31 contact spring [2] as shown in the figure below. 2) Remove the terminal [1] and free the harness [3] from the harness guide [2].

  • Page 58: Image Formation System

    Chapter 3 F-3-34 2) Remove the scanner cover [1]. - 3 screws [2] 3.3 IMAGE FORMATION SYSTEM 3.3.1 Transfer Charging Roller 3.3.1.1 Removing the Transfer Roller 0019-8534 1) Open the delivery auxiliary tray [1] and the delivery tray [2]. 2) While pressing the 2 claws [3], remove the transfer roller [4]. - Do not touch the transfer roller when removing it.

  • Page 59: Memory Tag Contact Unit

    Chapter 3 F-3-39 3) Disconnect the connector [1] and take out the connector [1] from the side plate hole [2]. F-3-37 F-3-40 4) Free the harness [2] from the guide [1] and take out the harness [2] from 3.3.2 Memory Tag Contact Unit the guide hole [3].
  • Page 60 Chapter 3 F-3-42 6) Free the harness [2] from the harness guide [1] and take out the harness F-3-45 [2] from the gap [3]. 9) Lift the memory contact unit [1] in the direction of the arrow to remove the claw [2] at lower side. F-3-43 7) Change the orientation of the host machine [1] in the direction of the ar- row.

  • Page 61: Pickup And Feeding System

    Chapter 3 3.4 PICKUP AND FEEDING SYSTEM 3.4.1 Pickup Unit F-3-49 3.4.1.1 Before Removing the Pickup Unit 3) Remove the terminal [1] and free the harness [3] from the harness guide 0019-8386 1) Remove the upper cover. (page 3-2)Reference[Removing the Upper [2].

  • Page 62: Cassette Pickup Roller

    Chapter 3 F-3-52 Point to Note at Installation When installing the pickup unit [1], be sure to make the contact spring [2] in contact with [A] area. Be sure to make the grounding contact point [3] in contact with [B] area. [A] [B] Point to Note at Installation When installing the terminal [1], be sure to make it in contact with the...

  • Page 63: Removing The Pickup Solenoid

    Chapter 3 4) Remove the rear cover. (page 3-1)Reference[Removing the Rear Cover] 3.5 FIXING SYSTEM 5) Remove the main controller PCB. (page 3-8)Reference[Removing the Main Controller PCB] 3.5.1 Fixing Unit 6) Remove the separation pad. (page 3-16)Reference[Removing the Sepa- ration Pad] 7) Remove the pickup unit.

  • Page 64: Fixing Film Unit

    Chapter 3 F-3-59 6) Remove the harness holder [1]. - 1 claw [2] Point to Note at Installation When installing the terminal [1], be sure to make it in contact with the contact spring [2] as shown in the figure below. F-3-60 7) Remove the fixing assembly [1].

  • Page 65: Fixing Pressure Roller

    Chapter 3 guide [2]. F-3-62 2) Change the orientation of the fixing unit [1] in the direction of arrow [A], and then in the direction of arrow [B]. F-3-65 5) Remove the fixing film unit [1]. - Do not touch the surface [1] of the fixing film unit. - Do not disassemble fixing film unit because it causes its functionality failure.
  • Page 66 Chapter 3 F-3-67 3-19...

  • Page 67: Chapter 4 Maintenance And Inspection

    Chapter 4 MAINTENANCE AND INSPECTION...
  • Page 68 Contents Contents 4.1 Periodically Replaced Parts ............................4-1 4.1.1 Periodically Replaced Parts ................................. 4-1 4.2 Consumables ..................................4-1 4.2.1 Consumables ....................................4-1 4.3 Periodical Service ................................4-1 4.3.1 Scheduled Servicing..................................4-1 4.4 Cleaning ..................................4-2 4.4.1 Cleaning Method..................................4-2...

  • Page 69: Periodically Replaced Parts

    Chapter 4 4.1 Periodically Replaced Parts 4.1.1 Periodically Replaced Parts 0019-9546 There is no periodically replaced part with this machine. 4.2 Consumables 4.2.1 Consumables 0019-9547 There is no consumable with this machine. 4.3 Periodical Service 4.3.1 Scheduled Servicing 0019-9548 There is no portion that requires schedule servicing in this equipment.

  • Page 70: Cleaning

    Chapter 4 4.4 Cleaning 4.4.1 Cleaning Method 0019-9549 Cleaning at servicing F-4-1 Fixing inlet guide Static eliminator Transfer roller Pickup roller Separation pad Feeding roller Follow the procedure below for cleaning during servicing. - Fixing inlet guide Clean it with a dry lint-free paper. - Static eliminator Clean it with a dry lint-free paper.
  • Page 71 Chapter 5 TROUBLESHOOTING...
  • Page 72 Contents Contents 5.1 MEASUREMENT AND ADJUSTMENT ........................5-1 5.1.1 Test Print ...................................... 5-1 5.1.1.1 Test Print Function ......................................5-1 5.1.2 Mechanical Adjustment ................................5-1 5.1.2.1 Checking the Pressure of the Pressure Roller (nip) ............................5-1 5.2 SERVICE TOOLS .................................5-2 5.2.1 Standard tools....................................5-2 5.2.2 Special Tool ....................................

  • Page 73: Measurement And Adjustment

    Chapter 5 5.1 MEASUREMENT AND ADJUSTMENT 5.1.1 Test Print 5.1.1.1 Test Print Function 0019-9550 This equipment has a test print function to check if the printer engine nor- mally operates. Test patterns (horizontal lines) are output when executing this test print. The following is the operation procedure;...

  • Page 74: Service Tools

    Chapter 5 5.2 SERVICE TOOLS 5.2.1 Standard tools 0019-9572 The followings are the required tools to perform the service operation. T-5-1 Tool name Tool number Usage/remarks Tool case TKN-0001 Jumper wire TKN-0069 With clip Gap gauge CK-0057 0.02 to 0.03mm Spring scale CK-0058 To check cassette spring pressure...

  • Page 75: Error Code Table

    Messages are displayed on the message area [1] and message area (auxiliary) [2]. There are two types of messages; user message and service message. The user message prompts users to take some actions, and the service message prompts service engineers to do so. Canon LBP 3250 F-5-3...

  • Page 76: Service Message

    Chapter 5 5.3.2 Service Message 0019-9579 The service message is displayed when a fault in the printer occurs and called error code. The error code is displayed on the message area of the status window screen, and its details on the message area (auxiliary) with the error code; 'Exxx' (a three-digit number is assigned to XXX).
  • Page 77 Chapter 6 APPENDIX...
  • Page 78 Contents Contents 6.1 OUTLINE OF ELECTRICAL COMPONENTS......................6-1 6.1.1 Clutch/Solenoid.................................... 6-1 6.1.1.1 Solenoid...........................................6-1 6.1.2 Motor......................................6-1 6.1.2.1 Motor..........................................6-1 6.1.3 Sensor......................................6-2 6.1.3.1 Sensor ..........................................6-2 6.1.4 Switch ......................................6-2 6.1.4.1 Switch..........................................6-2 6.1.5 PCBs ......................................6-3 6.1.5.1 PCB ..........................................6-3...

  • Page 79: Outline Of Electrical Components

    Chapter 6 6.1 OUTLINE OF ELECTRICAL COMPONENTS 6.1.1 Clutch/Solenoid 6.1.1.1 Solenoid 0019-9553 F-6-1 Pickup solenoid 6.1.2 Motor 6.1.2.1 Motor 0019-9554 F-6-2 Main motor...

  • Page 80: Sensor

    Chapter 6 6.1.3 Sensor 6.1.3.1 Sensor 0019-9555 F-6-3 Fixing delivery sensor Paper width sensor Paper leading edge sensor 6.1.4 Switch 6.1.4.1 Switch 0019-9569 F-6-4 Control key switch Power switch Door switch...

  • Page 81: Pcbs

    Chapter 6 6.1.5 PCBs 6.1.5.1 PCB 0019-9570 F-6-5 Engine controller PCB Main controller PCB Motor drive PCB Memory PCB...
  • Page 82 PARTS CATALOG LBP3250 Aug 13 2008...
  • Page 83 Contents NUMERICAL INDEX LBP3250(Numerical Index)..............1-1 LBP3250(Parts Catalog) ACCESSORIES ..............2-1 EXTERNAL COVERS, PANELS, ETC........2-2 INTERNAL COMPONENTS 1 ..........2-4 INTERNAL COMPONENTS 2 ..........2-6 INTERNAL COMPONENTS 3 ..........2-8 FIXING PAPER DELIVERY ASS'Y ........2-10...

  • Page 84: Numerical Index

    NUMERICAL INDEX LBP3250(Numerical Index) FIGURE FIGURE FIGURE PARTS NUMBER & PARTS NUMBER & PARTS NUMBER & KEY NO. KEY NO. KEY NO FC8-3667-000 FC8-3668-000 FC8-3669-000 FC8-3685-000 FC8-3688-000 FC8-3694-000 FC8-3705-000 FM3-5414-000 FM3-5415-000 FM3-5418-000 FM3-5673-000 FM3-5675-000 FM3-5677-000 FM3-5678-000 FM3-5679-000 FM3-5684-000 FM3-5688-000 FM3-5689-000 FM3-5690-000 FM3-5691-000 FM3-5740-000...

  • Page 85: Lbp3250(Parts Catalog)

    LBP3250(Parts Catalog) i-SENSYS LBP3250 230V EUR F15-1491-000 MBBA LASER SHOT LBP3250 120V LTN F15-1431-000 MBEA 230V ASIA F15-1441-000 MBDA 230V AU F15-1441-000 MBFA 230V CN F15-1451-000 MBCA...
  • Page 86 Contents ACCESSORIES ....................2-1 EXTERNAL COVERS, PANELS, ETC...............2-2 INTERNAL COMPONENTS 1 ................2-4 INTERNAL COMPONENTS 2 ................2-6 INTERNAL COMPONENTS 3 ................2-8 FIXING PAPER DELIVERY ASS'Y..............2-10...

  • Page 87: Accessories

    FIGURE 001 ACCESSORIES EUR,ASIA CN,ASIA FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.001 ACCESSORIES RH9-1169-000 CORD, POWER, 230V RH9-1166-000 CORD, POWER, 230V RK2-1315-000 CORD, POWER, 230V EUR,ASIA RH9-1164-000 CORD, POWER, 120V FM4-0365-000 CD-ROM, USER SOFTWARE English,French,German,It alian,Spanish,Russian English,Dutch,Danish,Nor FM4-0366-000 CD-ROM, USER SOFTWARE...

  • Page 88: External Covers, Panels, Etc

    FIGURE 100 EXTERNAL COVERS, PANELS, ETC.
  • Page 89 FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.100 EXTERNAL COVERS, PANELS, ETC. FM3-5677-000 LEFT COVER ASS'Y FC8-3667-000 DOOR, CARTRIDGE FC8-3668-000 COVER, REAR FM3-5678-000 RIGHT COVER ASS'Y RC1-6217-000 EMBLEM, LASER SHOT FC8-3688-000 PAPER DELIVERY TRAY ASS'Y FC8-3694-000 TRAY, PAPER DELIVERY FM3-5688-000 PAPER PICK-UP TRAY ASS'Y FM3-5690-000...

  • Page 90: Internal Components 1

    FIGURE 101 INTERNAL COMPONENTS 1 SEE FIGURE 810...
  • Page 91 FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.101 INTERNAL COMPONENTS 1 FC8-3685-000 COVER, USB FM3-5414-000 ENGINE CONTROL PCB ASS'Y 120V FM3-5415-000 ENGINE CONTROL PCB ASS'Y 230V FM3-5740-000 MAIN CONTROLLER PCB ASSEMBLY FM3-5741-000 MAIN CONTROLLER PCB ASSEMBLY EXCEPT CN...

  • Page 92: Internal Components 2

    FIGURE 102 INTERNAL COMPONENTS 2...
  • Page 93 FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.102 INTERNAL COMPONENTS 2 FM3-5684-000 PICK-UP TRANSFER FRAME ASS'Y RM1-4023-000 TRANSFER ROLLER ASS'Y RM1-4227-000 SEPARATION PAD ASS'Y FC8-3669-000 PANEL, REAR RL1-1497-000 ROLLER, PICK-UP...

  • Page 94: Internal Components 3

    FIGURE 103 INTERNAL COMPONENTS 3...
  • Page 95 FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.103 INTERNAL COMPONENTS 3 RM1-4184-000 LASER SCANNER ASS'Y FM3-5418-000 MOTOR PCB ASS'Y RK2-1757-000 CABLE, FLAT RM1-4196-000 MOTOR, DC24V...

  • Page 96: Fixing Paper Delivery Ass'y

    FIGURE 810 FIXING PAPER DELIVERY ASS'Y 2-10...
  • Page 97 FIGURE PARTS SERIAL NUMBER/ & KEY Q'TY DESCRIPTION NUMBER REMARKS Fig.810 FM3-5691-000 FIXING PAPER DELIVERY ASS'Y 120V Fig.810 FM3-5689-000 FIXING PAPER DELIVERY ASS'Y 230V RM1-4230-000 FIXING FILM ASSEMBLY 120V RM1-4231-000 FIXING FILM ASSEMBLY 230V FC8-3705-000 ROLLER, PRESSURE RC2-1414-000 SPRING, TENSION 2-11...

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