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Epson AcuLaser Color 2000 Service Manual

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SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
A4 Color Laser Printer
EPSON AcuLaser Color 2000
®
SEPG00004

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Summary of Contents for Epson AcuLaser Color 2000

  • Page 1 SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL A4 Color Laser Printer EPSON AcuLaser Color 2000 ® SEPG00004...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: Safety Information

    Safety Information To prevent accidents during a maintenance procedure, strictly observe the Warnings and Cautions. Do not do anything that is dangerous or not within the scope of this document. Do not do anything that is dangerous even if not specifically described in this manual. In addition to the descriptions below and those given in this manual, there are many situations and circumstances that are dangerous.
  • Page 5 Laser Beam Safety Component Make sure fuses, interlock switches, covers, and panels are all The laser beam used for exposing process during functioning properly after you have reinstalled or replaced them. printing is a very powerful, straight, narrow beam of light that produces extreme heat at its focal point.
  • Page 6 PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON AcuLaser Color 2000. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
  • Page 7 Revision Status Revision Issued Date Description June 8, 2000 First Release Chap. 3:On page 97, Figure 3-1 "Print Pattern" has been changed. Chap. 4:On page 126, 4.2.3.6 "Rear Controller Cover Removal" July 26, 2000 has been changed. On page 129, 4.2.4 "C314MAIN Board" has been changed. 1.4.6 Engine Program Update is deleted.

  • Page 8: Table Of Contents

    EPSON AcuLaser C2000 Revision C Contents 1.4.5.4 Setup Menu ................ 50 Chapter 1 Product Descriptions 1.4.5.5 Maintenance Menu ............. 51 1.1 Overview ................... 12 1.4.6 Service Operations ..............52 1.5 About RAM Expansion ..............53 1.2 Controller Unit Specifications ............15 1.2.1 Controller Basic Specifications ..........
  • Page 9 EPSON AcuLaser C2000 Revision C 2.2.8 Fusing Process ................84 4.2.3.2 Operation Panel Removal ..........124 2.2.8.1 Fusing Unit ................. 84 4.2.3.3 Front Inner Cover Removal ..........124 2.2.8.2 Fusing Temperature Control ..........86 4.2.3.4 Top Cover Removal ............125 2.2.8.3 Fusing Oil Roll ..............
  • Page 10 EPSON AcuLaser C2000 Revision C 4.2.17.1 Timing Roller Solenoid Removal ........143 4.2.26.6 Reverse Motor Removal ..........159 4.2.17.2 Middle Roller Solenoid Removal ........143 4.2.26.7 Duplex Paper Load Motor Removal ....... 159 4.2.17.3 Lower Paper Load Guide Removal ........ 144 4.3 Program ROM Update ..............

  • Page 11: Chapter 1 Product Descriptions

    C H A P T E R PRODUCT DESCRIPTIONS...

  • Page 12: Overview

    EPSON AcuLaser C2000 Revision C 1.1 Overview paper feeding of up to 1150 sheets from 3 bins is possible. MP Tray can hold up to 50 sheets of thick paper, transparency or label sheet. This printer is a non-impact color page printer driven by a laser and electrophotographic technologies.
  • Page 13 Printing status confirmation and job cancel are enabled for job printed Maintenance Mode (Engine Status Sheet, for printer engine) from built-in network by EPSON Direct Print and internal network. 3. Through bi-directional EJL and MIB, the printer status and printer environment are monitored.
  • Page 14 EPSON AcuLaser C2000 Revision C 3. When open the Front cover Exterior View and Names 1. External view 2. When open all covers except Front cover Product Descriptions Overview...

  • Page 15: Controller Unit Specifications

    EPSON AcuLaser C2000 Revision C 1.2 Controller Unit Specifications Host Interface Standard 1.2.1 Controller Basic Specifications Parallel 1ch Bi-directional based on IEEE 1284 standard, B-type connector Compatibility, Nibble, ECP Ethernet 100Base TX / 10Base-T 64bit RISC CPU R5000 (266MHz) Optional...
  • Page 16 EPSON AcuLaser C2000 Revision C Resolution First Printing Time 600 dpi (switching with engine) Table 1-2. First Printing Time Single-sided printing A4/LT/A5/B Duplex printing Printing Print Mode Speed mode mode LT/B A4/LT B/W mode: Monochrome mode. Offering maximum Standard mode 16 sec.
  • Page 17 EPSON AcuLaser C2000 Revision C Paper Supply Table 1-3. Paper Supply Paper feed method Capacity Paper size Paper thickness Standard tray Standard 150 sheets Paper Width: 92 to 216 mm 60 to 90 g/m universal tray (recommended paper, plain Paper Length: 210 to 297 mm...
  • Page 18 EPSON AcuLaser C2000 Revision C Duplex Printing (optional) Supported size: A4, LT Paper type: Plain paper (60 to 90 g/m Paper size/Paper set direction/Duplex availability Table 1-4. Paper Size Paper Set Direction Duplex Paper Type Paper Size Standard Optional Availability...
  • Page 19 EPSON AcuLaser C2000 Revision C Paper Feed Reference Power Supply 100/120V version: 100/120V±10%, 50-60Hz ±3Hz Center line reference for each paper size and each paper feeder (standard tray/each cassette) 200V version: 220V/240V±10%, 50-60Hz ±3Hz Consumables Power Consumption Developer cartridge (black/cyan/magenta/yellow) Table 1-5.

  • Page 20: Process Specification

    EPSON AcuLaser C2000 Revision C 1.2.3 Process Specification Life Method: Electrophotographic method using dry one- Main unit : 500,000 pages* or 5 years whichever comes component developing and Belt transfer earlier. (Including standard tray) Light source: Semiconductor Laser Optional cassette unit :500,000sheets or 5 years whichever comes earlier.

  • Page 21: Paper Specification

    EPSON AcuLaser C2000 Revision C 1.2.4 Paper Specification Paper Feeding Paper Type Table 1-6. Paper Feeding Recommended paper: 4024 paper (20 lb) (B/W), FX J paper (TBD) Special applications Plain paper: Ordinary copy paper, recycled 60g/m to 90g/m (16 lb to 24 lb)
  • Page 22 EPSON AcuLaser C2000 Revision C Printing Area Maximum printable area:Width 208mm/Length 289mm Guaranteed printing area Maximum guaranteed printing area:Width 208mm/Length 289mm Entire paper area except for a 4mm margin at each edge of the paper up to the above size. (See the figure below.)

  • Page 23: Sensors

    EPSON AcuLaser C2000 Revision C 1.2.5 Sensors Fuser Oil Roll Table 1-8. Sensor Specifications - Fuser Oil Roll Photoconductor Unit Detection Detected Conditions Comments Method Table 1-7. Sensor Specifications - Photoconductor Unit Mounted/unmounted Actuator Detected • Can be mounted/unmounted while...
  • Page 24 EPSON AcuLaser C2000 Revision C Fuser unit Developer Cartridge Table 1-11. Sensor Specifications - Fuser Unit Table 1-12. Sensor Specifications - Developer Cartridge Detected Detected Detection Method Comments Detection Method Comments Conditions Conditions Electrical contact detection Electrical contact detection Mounted/...
  • Page 25 EPSON AcuLaser C2000 Revision C Transfer Belt Unit Standard tray/Optional Feeder/Duplex Unit Table 1-13. Sensor Specifications - Transfer Belt Unit Table 1-14. Sensor Specifications Standard Tray / Optional Feeder / Duplex Unit Detected Detection Method Comments Conditions Detected Unit Detection Method...

  • Page 26: Reliability, Durability, Serviceability

    EPSON AcuLaser C2000 Revision C 1.2.6 Reliability, Durability, Serviceability Printing Start Position Accuracy / Paper Skew MPBF Table 1-17. Printing Start Position Accuracy/Paper Skew Single-sided Duplex 80,000 pages (200,000 images) min.* Directions printing printing Main Scanning Direction (c) ±2.0 mm ±3.2 mm...

  • Page 27: Operating Conditions (Including Consumables)

    EPSON AcuLaser C2000 Revision C 1.2.7 Operating Conditions (Including Consumables) Serviceability MTTR 30 minutes max. (average) Temperature and Humidity (Time for service technician to locate and repair a failure.) Temperature: 10 to 35°C Output Paper Curl Height (with A4/LT) Humidity:...

  • Page 28: Storage And Transport Environments (Including Consumables)

    EPSON AcuLaser C2000 Revision C 1.2.8 Storage and Transport Environments Vibration (Including Consumables) Frequency: 5 to 100 Hz (Sweep time : 10 min.) Acceleration: 1.0 G (on the vibrator) Temperature and Humidity Direction of application: 3 dimensional (along X, Y and Z axes) Table 1-18.

  • Page 29: Electrical Characteristics

    EPSON AcuLaser C2000 Revision C 1.2.9 Electrical Characteristics Inrush Current The following items do not apply to the Optional Units. 1/2 cycle 50A max. (in an environment of 23°C min.) AC Line Noise Insulation Resistance Pulse Width: 50-1000ns 10MΩ max.

  • Page 30: Applicable Standards And Regulations

    EPSON AcuLaser C2000 Revision C 1.2.10 Applicable Standards and Regulations Power Supply High Frequencies The engine specification meets the following standards and regulations. Comply with high-frequency restriction guidelines. Depending on the destination, some standards and regulations apply to the product only when including controller.

  • Page 31: Consumable Specifications

    EPSON AcuLaser C2000 Revision C 1.2.11 Consumable Specifications Table 1-21. Temperature and Humidity - Developer Cartridge Temperature Humidity Guaranteed period 1.2.11.1 Developer cartridges 18months from Normal manufacture Configuration and Life (toner consumption) 0 to 35°C 30 to 85% RH condition (packaged) High: 35 to 40°C...

  • Page 32: Photoconductor Kit

    EPSON AcuLaser C2000 Revision C 1.2.11.2 Photoconductor kit 1.2.11.3 Waste Toner Collector Configuration and Life Configuration and Life Table 1-22. Photoconductor Kit Specifications Table 1-23. Waste Toner Collector Specifications Name Contents Life Life Name Contents Life • Photoconductor Continuous printing...

  • Page 33: Fuser Kit

    EPSON AcuLaser C2000 Revision C 1.2.11.4 Fuser Kit 1.2.11.5 Transfer Belt Unit Configuration and Life Configuration and Life Table 1-24. Fuser Kit Specifications Table 1-25. Fuser Kit Specifications Name Contents Life Name Contents Life Fuser and Second transfer Transfer Belt Unit Transfer belt and others...

  • Page 34: Interface Specifications

    EPSON AcuLaser C2000 Revision C 1.3 Interface Specifications The initial value for this printer Device ID is as shown below. In the following description, in order to make it easier to read, carriage returns have been added, but actually, the character string is continuous without The AcuLaser Color 2000 is equipped with the following host interfaces.

  • Page 35: Ethernet Interface Specifications

    See the following table. AppleTalk (ELAP, DDP, ATP, PAP, AARP, NBP, ZIP, RTMP, SNMP, Entity Type: See the following table. ENPC) Table 1-27. Entity Type ENPC : EPSON Network Peripheral Control Protocol Emulation Emulation Type Entity Type IPP: Internet printing protocol POSTSCRIPT-00...
  • Page 36 EPSON AcuLaser C2000 Revision C EJL (Default Emulation Type, other Emulation Types 1, 2, 3, . . .) Entity Type <If Emulation is set to AUTO> When PS is not started: AUTO (Emulation Types 1, 2, 3 . . .) When PS is started: EJL (POSTSCRIPT-00, other Emulation Types 1, 2, 3 .

  • Page 37: Control Panel

    EPSON AcuLaser C2000 Revision C 1.4 Control Panel In printers for Taiwan, China and Korea, the panel sheet character string is displayed in Taiwanese, Chinese or Korean, respectively. 1.4.1 Exterior View and Names 1.4.1.1 LED Description LCD (Liquid Crystal Display) (A)

  • Page 38: Button Functions

    EPSON AcuLaser C2000 Revision C OneTouch Mode 2 LED (F) SelecType button (K) (or Shift button) OneTouch mode 2 is enabled. The following 4 items can Used to select OneTouch mode 1 / OneTouch mode 2 / SelecType mode, be set in this mode: as follows: “RITech”, “Copies”, “Mp Tray Size”, “Toner Save Mode”...

  • Page 39: One Touch Setting Modes

    EPSON AcuLaser C2000 Revision C 1.4.3 One Touch Setting Modes Value button (N) In the AcuLaser Color 2000, One Touch Setting Modes are as follows. Pressing this button enables the item that was last selected. One Touch Setting Mode 1 (from left) In OneTouch mode 1, used to select the value for “Manual Feed”.

  • Page 40: Panel Setting Item List

    EPSON AcuLaser C2000 Revision C 1.4.4 Panel Setting Item List Printing Menu Item Value Test Menu Paper Source Auto, MP, LC1, LC2 Item Value A4, A5, B5, LT, HLT, GLT, EXE, MON, C10, Page Size Status Sheet DL, C5, C6, IB5, CTM...
  • Page 41 EPSON AcuLaser C2000 Revision C LC1 Size A4, LT Config Menu LC2 Size A4, LT Item Value MP Type Plain,Letterhead, Recycled, Color, RITech On, Off Trnsprncy, Labels Toner Save Off, On (Density setting does not exist) LC1 Type Plain, Recycled, Color Top Offset -99.0 - 0.0 - 99.0 mm step 0.5 mm...
  • Page 42 EPSON AcuLaser C2000 Revision C B/W Pages 0 - 99999999 Setup Menu SelecType Init Item Value *1: STANDBYTIME command in EJL is also supported. The default value is 60 Time Out 0, 5 - 60 - 300 step 1 minutes.
  • Page 43 EPSON AcuLaser C2000 Revision C AUX Menu Network Menu *1 *2 Item Value Item Value AUX I/F On, Off Network I/F On, Off AUX Config No, Yes Network Config No, Yes *3*4 Get IPAddress Panel, Auto, PING Get IPAddress Panel, Auto, PING <Default value changed>...
  • Page 44 EPSON AcuLaser C2000 Revision C ESC/Page Menu Italian,Spanish,German, Norweg1, French2,Windows,McText, PcIcelandic, Item Value PcLt774,PcTurk1, PcPortugues,PcEt850, PcTurk2,PcCanFrench,PcSl437, PcNordic, Auto CR On, Off 8859-3 ISO,8859-4 ISO,WiBaltic,WiEstonian, Auto FF On, Off WiLatvian,Mazowia,CodeMJ,BpBRASCII, BpAbicomp,PcGk437,PcGk851,PcGk869, CR Function CR, CR+LF 8859-7 ISO, WiGreek,Europe3,PcCy855, LF Function CR+LF, LF...
  • Page 45 EPSON AcuLaser C2000 Revision C GL2 Menu ESCP2 Menu Item Value Item Value GLMode LJ4GL2, GLlike Font Courier, Prestige, Roman, Sans serif, Roman T, Orator S, Sans H, Script, OCR A, OCR B Scale Off, A0, A1, A2, A3 Pitch 10cpi, 12cpi, 15cpi, Prop.
  • Page 46 EPSON AcuLaser C2000 Revision C Auto CR Off, On FX Menu Auto LF Off, On Item Value Alt. Graphics Off, On Font Courier, Prestige, Roman, Sans serif, Script, Orator S, OCR A, OCR B Bit Image Dark, Light Pitch 10cpi, 12cpi, 15cpi, Prop.

  • Page 47: Explanation Of Each Setting Menu And Items

    EPSON AcuLaser C2000 Revision C 1.4.5 Explanation of Each Setting Menu and Items A list of user setting items which are not included in the Setup Menu are shown below. Depending on the panel initialization menu, these are not The following explains concerning items which are unique specifications cleared when the settings are initialized.

  • Page 48: Tray Menu

    EPSON AcuLaser C2000 Revision C 1.4.5.2 Tray Menu Engine control Paper Type setting always takes priority. MP Type, LC1 Type, LC2 Type When Paper Type=Normal, engine control is performed based on the specified value for the selected tray. This specifies the type of paper set in the MP tray, LC1/2 Cassette.
  • Page 49 EPSON AcuLaser C2000 Revision C Cases where Paper Source = MP, LC1, LC2 or Paper Source = Type of Paper Auto, and the type of paper used is not specified. Plain Plain Paper Printing Speed: Standard Mode Letterhead Plain Paper...

  • Page 50: Setup Menu

    EPSON AcuLaser C2000 Revision C 1.4.5.4 Setup Menu Photoconductor C Toner This displays the remaining life of the Photoconductor Unit in %. (display only, exclusive readout) 100% (New) - 20% (Warning) - 0% (end of the The remaining C (Cyan) toner level is displayed in 5 steps (display service life).

  • Page 51: Maintenance Menu

    EPSON AcuLaser C2000 Revision C 1.4.5.5 Maintenance Menu This setting menu is displayed, and selection enabled, only when the Maintenance Mode has been activated by hidden operation when the power is turned on. After that, if the power is turned off, then turned on again, the Maintenance Menu is deleted from the Menu (Maintenance Mode deleted = the printer has switched to the normal mode).

  • Page 52: Service Operations

    EPSON AcuLaser C2000 Revision C 1.4.6 Service Operations The special service operations supported by this printer are shown below. NOTE: Functions other than Hex dump and the Support Mode are not disclosed publicly for users. Table 1-30. Service Functions Function...

  • Page 53: About Ram Expansion

    EPSON AcuLaser C2000 Revision C 1.5 About RAM Expansion In this printer, if there is insufficient memory, the following errors occur. Mem Overflow Image Optimum Need Memory Duplex Mem Overflow In these cases, it may be possible to overcome the problem by one of the following methods.

  • Page 54: Engine Restrictions

    EPSON AcuLaser C2000 Revision C 1.6 Engine Restrictions 1.6.1.1 Toner Duty Restrictions 200% (to prevent paper or transparencies from sticking to the Fuser) However, printing is not stopped forcibly when the duty exceeds 200% at 1.6.1 Restriction on Printing Speed the engine side.

  • Page 55: Handling Precautions

    EPSON AcuLaser C2000 Revision C 1.7 Handling Precautions 1.7.1 Caution when there is a Power Failure This printer is equipped internally with nonvolatile memory (E PROM). This nonvolatile memory preserves the settings for printer functions, and if the power is cut during writing to the nonvolatile memory, the contents...
  • Page 56 EPSON AcuLaser C2000 Revision C Product Descriptions Handling Precautions...

  • Page 57: Chapter 2 Operating Principles

    C H A P T E R OPERATING PRINCIPLES...

  • Page 58: Mechanism Overview

    EPSON AcuLaser C2000 Revision C 2.1 Mechanism Overview The following figure is the mechanism sectional drawing that helps you understand the basic mechanism of this printer. Figure 2-1. Sectional Drawing Operating Principles Mechanism Overview...

  • Page 59: Gear Roller Arrangement

    EPSON AcuLaser C2000 Revision C 2.1.1 Gear Roller Arrangement Figure 2-2. Gear Roller Arrangement Figure 2-3. Drive Force Transmission Operating Principles Mechanism Overview...
  • Page 60 EPSON AcuLaser C2000 Revision C Figure 2-4. Motor, Solenoid Arrangement Operating Principles Mechanism Overview...
  • Page 61 EPSON AcuLaser C2000 Revision C Figure 2-5. Switch, Sensor Arrangement Operating Principles Mechanism Overview...
  • Page 62 EPSON AcuLaser C2000 Revision C Table 2-1. Electric Parts Name Table 2-1. Electric Parts Name Signal Name Signal Name PC15 Standard tray upper position sensor Eraser lamp PC16 Belt cleaner separation sensor Heater lamp (Heat applying roller) PC20 Intermittent paper sensor...
  • Page 63 EPSON AcuLaser C2000 Revision C Table 2-2. Sensors Table 2-2. Sensors Unit Detection Item Detection Method Note Unit Detection Item Detection Method Note Fusing oil Exist / non-exist Contact point Exist / non-exist Contact point roller detection conductivity check detection...
  • Page 64 EPSON AcuLaser C2000 Revision C Table 2-2. Sensors Table 2-2. Sensors Unit Detection Item Detection Method Note Unit Detection Item Detection Method Note Waste Exist / non-exist Leaf switch Fusing Exist / non-exist Contact point toner box detection unit detection...
  • Page 65 EPSON AcuLaser C2000 Revision C Table 2-2. Sensors Table 2-2. Sensors Unit Detection Item Detection Method Note Unit Detection Item Detection Method Note Exist / non-exist Contact point Transfer Exist / non-exist Check AIDC sensor cartridge detection conductivity check belt unit detection GND connection.
  • Page 66 EPSON AcuLaser C2000 Revision C Table 2-2. Sensors Unit Detection Item Detection Method Note Standard No paper Leaf switch tray detection Standard Exist / non-exist Leaf switch Serves both as paper cassette detection side detection Paper size Leaf switch (working...

  • Page 67: Printing Process

    EPSON AcuLaser C2000 Revision C 2.2 Printing Process Table 2-3. Printing Process Unit Name Unit Function The figure below is the flow of the printing process. Paper feed→ Charging→ Exposure→ Printing process Development→ Transfer→ Fusing→ Paper Eject Duplex Print Paper Feed...

  • Page 68: Paper Feed Mechanism

    EPSON AcuLaser C2000 Revision C 2.2.1 Paper Feed Mechanism EPSON AcuLaser C2000 has 2 paper feed methods: Paper Feed Back View Tray 1 (150 sheets) + Tray 2 (500 sheets) Optional 500 sheets cassette unit (Tray 3) is also available.

  • Page 69: Tray 2 (Cassette 1)

    EPSON AcuLaser C2000 Revision C 2.2.1.2 Tray 2 (Cassette 1) 2.2.1.3 Tray 3 (Cassette 2) When Tray 2 paper feed solenoid is turned ON, paper feed roller rotates. Tray 3 is the optional 500 sheets cassette unit. When paper feed roller rotates, the printer picks the top sheet of paper Tray 3 paper feed jam is detected by a newly added Tray 3 paper feed from Tray 2.

  • Page 70: Timing Roller

    EPSON AcuLaser C2000 Revision C 2.2.1.4 Timing Roller Body Back View Timing roller adjusts paper skewing carried by the paper feed mechanism and rotates as the top of image on the transfer belt comes on the end of paper. Timing Roller Solenoid Timing sensor (PC5) detects that the top of paper carried by the paper feed mechanism reaches the timing roller.
  • Page 71 EPSON AcuLaser C2000 Revision C Photoconductor Earth Charge Bias Charged Bias Ozone Suction Figure 2-11. Charging Process Operating Principles Printing Process...

  • Page 72: Exposure Process

    EPSON AcuLaser C2000 Revision C 2.2.3 Exposure Process Table 2-4. Charging Process Name Explanation The printer creates the latent image on the photoconductor by the laser beam emitted from the printhead. Printing position is adjusted as Creates the latent image by laser beam on the surface described below.

  • Page 73: Development Process

    EPSON AcuLaser C2000 Revision C 2.2.4 Development Process OPC Drum Image Creation Process Color Development Process The printer proceeds the following creation process for each toner (YMCK) respectively and creates 4 color toner image on the transfer belt. Image Creation Process Then, the printer transfers the toner image on the transfer belt onto paper.
  • Page 74 EPSON AcuLaser C2000 Revision C For printing, the printer rotates the toner cartridge rack to shift the Table 2-5. Toner Cartridge Rack respective toner cartridge to the developing position in Y, M, C, K order. Name Explanation Rack black position...

  • Page 75: Toner Cartridge

    EPSON AcuLaser C2000 Revision C 2.2.4.2 Toner Cartridge Toner Cartridge Rack Rack Black Position Toner cartridge gives toner on the electrostatic latent image on the Detection Sensor (PC6) photoconductor (OPC drum) to create the toner image. (Development) Light-proof plate Seal Bias...
  • Page 76 EPSON AcuLaser C2000 Revision C Table 2-6. Toner Cartridge Name Function Put the toner thin and equal upon the development Toner regulation roller (rubber). Charges toner (-) electricity by plate letting toner through between toner regulation plate and developing roller.
  • Page 77 EPSON AcuLaser C2000 Revision C Development Toner Empty Detection Toner regulation plate puts toner thin and equal upon the sleeve roller, Toner empty detection is done by the following procedure. gives toner on the electrostatic latent image on the OPC drum, and The light from the toner empty detection LED (LED1) on the toner empty develops toner image on the photoconductor.

  • Page 78: Names Of Unit Contacting Terminals

    EPSON AcuLaser C2000 Revision C 2.2.4.3 Names of Unit Contacting Terminals 1. Drum Cartridge Terminals New Fuse (2: Dual purpose, detection of T/C) Regulation Bias New Fuse Seal Bias (2: Dual purpose, detection of D/C) Development Bias Earth Electrification Bias 4.

  • Page 79: Transfer Process

    EPSON AcuLaser C2000 Revision C 2.2.5 Transfer Process Table 2-8. Mid-Transfer Belt Unit Name Explanation Transfer is done twice: mid-transfer and paper transfer. Erases electricity on the OPC drum where toner is Eraser Lamp not on before mid-transfer. 2.2.5.1 Mid-Transfer Belt Unit Detects the drum cartridge with or without.

  • Page 80: Paper Transfer

    EPSON AcuLaser C2000 Revision C 2.2.5.3 Paper Transfer Transfer Roller Pressed / Estranged Paper transfer method is roller transfer method. Transfer roller is pressed or estranged to the transfer belt according to its necessity. Transfers the toner image on the transfer belt to the paper by the transfer roller.
  • Page 81 EPSON AcuLaser C2000 Revision C Pre-Transfer Erase Pre-transfer erase eliminates the electricity where no toner is on. 24 eraser lamp (LED) is located in one line on the AIDC/Eraser Board. They lights the surface of the OPC drum after development.
  • Page 82 EPSON AcuLaser C2000 Revision C Transfer Belt Cleaner Estrangement Transfer belt cleaner is pressed or estranged to the transfer belt according to its necessity. Transfer belt cleaner turns cleaner motor ON, rotates cam to rotate ↓ the lever holder, and pushes the ( ) part in Figure 2-26 down and estrange the transfer belt cleaner from the transfer belt.

  • Page 83: Waste Toner Bottle

    EPSON AcuLaser C2000 Revision C Transfer Belt Transfer Belt Cleaner Waste Toner Unit Path Transfer Belt Drum Unit Lever Support Waste Waste Toner Belt Cleaner Motor Toner Waste Toner Bottle Belt Cleaner Estrangement Position Sensor (PC16) Figure 2-26. Transfer Belt Cleaner Estrangement 2.2.6 Waste Toner Bottle...

  • Page 84: Suction Process

    EPSON AcuLaser C2000 Revision C Waste Toner Full Sensor P/H Filter Switch When toner full is detected. When waste toner is low. When waste toner comes to Sensor LED light percolates the point of toner full the bottle and reaches the detection, LED light of the photo sensor.
  • Page 85 EPSON AcuLaser C2000 Revision C Table 2-9. Fusing Unit Name Explanation Uses rubber roller and applies pressure to paper Pressure Roller by pressure spring. Detects the surface temperature of the pressure Thermistor (TH2) roller. When temperature of the pressure roller becomes...

  • Page 86: Fusing Temperature Control

    EPSON AcuLaser C2000 Revision C 2.2.8.2 Fusing Temperature Control Thermistor 1 PJ4D TH 1 DC5V Control Circuit DC5V Thermistor 1 (TH1) detects the surface temperature of the heat roller and DC5V PJ5D TH 2 inputs temperature signal to CPU. Heater lamp (H1) turns on/...
  • Page 87 EPSON AcuLaser C2000 Revision C Temperature Control Table 2-10. Temperature Control Timing Temperature Control When heating the roller, the temperature control drives the fusion motor Warm up When turning the power switch ON, warming up is and fuses the pressure roller. It is estranged on the envelope mode.
  • Page 88 EPSON AcuLaser C2000 Revision C Fusing Roller Pressured / Estranged Fusing Speed Switching Control The pressure roller of the fuser is applied to the fusing roller as needed. The printer switches the rotational speed of the carrier motor and fusion motor according to the paper type.

  • Page 89: Fusing Oil Roll

    EPSON AcuLaser C2000 Revision C 2.2.8.3 Fusing Oil Roll 2.2.9 Paper Eject Process The function of the fusing oil roll is as follows. Remove electricity from the image fused paper and eject paper to the paper eject tray. It prevents the toner on the paper before the fusing phase from attaching to the roller.

  • Page 90: Duplex Unit (Option)

    EPSON AcuLaser C2000 Revision C 2.2.9.1 Duplex Unit (option) Duplex paper load method 2 sheets inside circulation method The figure below shows the paper path when the duplex unit is installed. When printing A4 / letter paper, print the front of 1st and 2nd...
  • Page 91 EPSON AcuLaser C2000 Revision C Figure 2-37. 2 Sheets Inside Circulation -- Double-side Printing Operating Principles Printing Process...

  • Page 92: Controller Board (C314Main) Operating Principles

    EPSON AcuLaser C2000 Revision C 2.3 Controller Board (C314MAIN) Operating 2.3.1 Specification Principles Table 2-12. Specification Item Location Note The following is the C314MAIN board block diagram. 266MHz (outside clock 66.6666MHz) R5000A • ASIC MR64 E05B51BB Connected to CPU and controls access to the memory and peripheral devices.

  • Page 93: Chapter 3 Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 94: Troubleshooting Method

    Read the repair procedure in the table below. Table 3-2. Initial Check Point Remove any parts or unit that are not the genuine products of EPSON. Item Symptom / Cause Solution 1.
  • Page 95 EPSON AcuLaser C2000 Revision C Table 3-2. Initial Check Point Table 3-2. Initial Check Point Item Symptom / Cause Solution Item Symptom / Cause Solution 3. Setting 1. The place has vibration and Place the printer even and 5. Maintenance The maintenance is not Clean the paper path.

  • Page 96: Power Is Not Applied

    EPSON AcuLaser C2000 Revision C 3.1.2 Power is not Applied 3.1.3 Self Check Function The printer has the following mode for self-check function. Table 3-3. Power is not applied Test print → Check Item Solution Check the trouble if it is the controller side error or the engine side Is the power switch ON? Turn the power ON.
  • Page 97 EPSON AcuLaser C2000 Revision C Figure 3-1. Print Pattern Troubleshooting Troubleshooting Method...

  • Page 98: Printer Message

    EPSON AcuLaser C2000 Revision C 3.2 Printer Message 3.2.0.1 Messages A list of this printer’s printer message is shown below. Each message is The message of this printer is categorized into the following 4 types. the message when “Lang = English” is set.
  • Page 99 EPSON AcuLaser C2000 Revision C Table 1-2. List of Printer Messages Table 1-2. List of Printer Messages Status Status LED Message Category LED Message Category code code Install Waste T Box Error 4023 Invalid HDD Error 4202 Install Fuser Error...
  • Page 100 EPSON AcuLaser C2000 Revision C Table 1-2. List of Printer Messages *5: Of the Values for each paper feed size in the Tray Menu in the panel setting item, the relevant values are displayed. Status LED Message Category code Offline...

  • Page 101: Printer Message Details Of Status Messages And Remedies

    EPSON AcuLaser C2000 Revision C 3.2.1 Printer Message Details of Status Messages 3.2.2 Details of Error Messages and Remedies and Remedies Below are the error messages that are unique to this printer. Below are the status messages that are unique to this printer.
  • Page 102 EPSON AcuLaser C2000 Revision C Explanation Clean Sensor The Fuser Oil Roll is not set. Or it is not set correctly. Explanation The window of sensor for engine calibration is soiled. The On Line LED and Continue LED are off.
  • Page 103 EPSON AcuLaser C2000 Revision C Replace Photocondctr Replace Oil Roll Explanation Explanation It is regarded that the photoconductor service life is end, based on End of Fuser Oil Roll life. The remaining life is counted in the the total number of revolution of the photoconductor up to now engine.

  • Page 104: Details Of Warning Messages And Remedies

    EPSON AcuLaser C2000 Revision C 3.2.3 Details of Warning Messages and Remedies Worn Photoconductor Explanation This section provides the details of warning messages and remedies that This is a warning message that informs the user that the are specific to this printer.
  • Page 105 EPSON AcuLaser C2000 Revision C Worn Fuser Worn Transfer Belt Explanation Explanation This is a warning message that informs the user that the Fuser This is a warning message that informs the user that the Transfer Unit has almost reached the end of its service life.

  • Page 106: Service Call Error Messages

    EPSON AcuLaser C2000 Revision C 3.2.4 Service Call Error Messages Table 3-4. Engine Related Service Call Error Messages (continued) Error Error Code Explanation There are two types of service call errors; engine related and controller Category e related ones, as shown in the following sections.

  • Page 107: Engine Related Service Call Error Troubleshooting

    EPSON AcuLaser C2000 Revision C 3.2.4.2 Engine Related Service Call Error Troubleshooting 4. When the temperature of the pressure roller does not reach 130 ° within 70 seconds after the temperature of the heat roller becomes more than 170 C AND when the temperature of the pressure roller °...
  • Page 108 EPSON AcuLaser C2000 Revision C Table 3-7. Operation of Power Supply Cooling Fan Motor Power Supply Cooling Fan Motor is Abnormal Mechanical Condition Operation of Fan Motor Abnormal fan motor is detected when any of the following 5 abnormality When turning the power switch ON.
  • Page 109 EPSON AcuLaser C2000 Revision C Suction Fan Motor is abnormal Transfer Belt Fan Motor is abnormal Table 3-9. Suction Fan Motor is Abnormal Table 3-10. Toner Absorption Fan Motor is Abnormal Check Item Solution Check Item Solution At the power ON initialization...
  • Page 110 EPSON AcuLaser C2000 Revision C Fusing Fan Motor is abnormal Main Motor is abnormal Table 3-11. Fusing Fan Motor is Abnormal Table 3-12. Main Motor is Abnormal Check Item Solution Check Item Solution At the power ON initialization Remove connector PJ29A and...
  • Page 111 EPSON AcuLaser C2000 Revision C Fusing Pressure / Estrangement is abnormal Laser is abnormal Table 3-14. Fusing Pressure / Estrangement is Abnormal Table 3-15. Laser is Abnormal Check Item Solution Check Item Solution Does the fusing unit upshot? Install the fusing unit correctly.
  • Page 112 EPSON AcuLaser C2000 Revision C Transfer Belt Rotation is Abnormal Transfer Belt Cleaner Pressure / Estrangement is Abnormal Table 3-16. Transfer Belt Rotation is Abnormal Table 3-17. Transfer Belt Cleaner Pressure / Estrangement is Abnormal Check Item Solution Check Item...
  • Page 113 EPSON AcuLaser C2000 Revision C Developer Rack Rotation is Abnormal Multi Manual Paper Load Push-up is Abnormal Table 3-18. Developer Rack Rotation is Abnormal Table 3-19. Multi Manual Paper Load Push-up is Abnormal Check Item Solution Check Item Solution During printing, does the rack...

  • Page 114: Controller Related Service Call Error Messages

    EPSON AcuLaser C2000 Revision C 3.2.4.3 Controller Related Service Call Error Messages OHP Sensor is Abnormal Table 3-21. Controller Related Service Call Error Messages Table 3-20. OHP Sensor is Abnormal Error Error Code Explanation Check Item Solution Category e ffff...
  • Page 115 EPSON AcuLaser C2000 Revision C Table 3-21. Controller Related Service Call Error Messages Error Error Code Explanation Category e ffff 0999 Engine firmware in Flash ROM is not exist. Standard RAM Error (When RAM equivalent to the 1002 standard size is not installed, etc.)

  • Page 116: Image Quality Troubleshooting

    EPSON AcuLaser C2000 Revision C 3.3 Image Quality Troubleshooting Table 3-22. Image Quality Troubleshooting Abnormal Cause Step Solution Image Table 3-22. Image Quality Troubleshooting White out / Foreign objects on the Replace the toner cartridge. Abnormal Black point toner cartridge.
  • Page 117 EPSON AcuLaser C2000 Revision C Table 3-22. Image Quality Troubleshooting Table 3-22. Image Quality Troubleshooting Abnormal Abnormal Cause Step Solution Cause Step Solution Image Image Low image OPC drum is at the end Replace the drum cartridge. Color overlay Toner cartridge Re-install the toner cartridge.
  • Page 118 EPSON AcuLaser C2000 Revision C Table 3-22. Image Quality Troubleshooting Abnormal Cause Step Solution Image White and Paper is wet. Use paper after kept in the Black smear room for a while. White smear Replace the fusing unit. ABCDE If it occurs only for the...

  • Page 119: Chapter 4 Disassembly And Assembly

    C H A P T E R DISASSEMBLY AND ASSEMBLY...

  • Page 120: Overview

    EPSON AcuLaser C2000 Revision C 4.1 Overview Caution on lithium battery replacement This chapter describes disassembly/assembly of the printer. When replacing the old lithium battery with a new one, be sure to use the one that is specified by the parts list or 4.1.1 Cautions...

  • Page 121: Screws, Small Parts

    EPSON AcuLaser C2000 Revision C 4.1.3 Screws, Small Parts 4.1.4 Fuses The table below lists the screws and small parts used in the printer. Be The fuses used in the printer are as shown below: sure to use them at the correct positions that are specified with the reference numbers in the exploded diagrams.

  • Page 122: Disassembling Procedure

    EPSON AcuLaser C2000 Revision C 4.2 Disassembling Procedure 4.2.1 Overview See the following page for the disassembling flowcharts. Figure 4-1. Disassembly Flowchart - 1 Disassembly and Assembly Disassembling Procedure...

  • Page 123: Before Disassembling The Printer

    EPSON AcuLaser C2000 Revision C 4.2.2 Before Disassembling the Printer 1. Remove the standard cassette and Large Capacity Paper Cassette if installed. 2. Open the Front Cover. 3. Remove the Toner Cartridge (Y/M/C/K), Drum Cartridge, Transfer Belt, Oil Roller, and Fuser Unit.

  • Page 124: Operation Panel Removal

    EPSON AcuLaser C2000 Revision C 4.2.3.2 Operation Panel Removal 4.2.3.3 Front Inner Cover Removal 1. Remove the Front Cover. (See “Front Cover Removal” on page -123.) 1. Remove the Operation Panel. (See “Operation Panel Removal” on page -124.) 2. Remove the screws securing the Operation Panel. (3 from the front and 1 from the top) 2.

  • Page 125: Top Cover Removal

    EPSON AcuLaser C2000 Revision C 4.2.3.4 Top Cover Removal 4.2.3.5 Left Cover Removal 1. Remove the Operation Panel. (See “Operation Panel Removal” on 1. Remove the Top Cover. (See “Top Cover Removal” on page -125.) page -124.) 2. Remove 3 screws securing the Left Cover.

  • Page 126: Rear Controller Cover Removal

    EPSON AcuLaser C2000 Revision C 4.2.3.6 Rear Controller Cover Removal 1. Remove 4 screws securing the Controller Cover to the rear side of the printer (Rear side: 3 screws, Left side: 1 screw). Screw Screw Screw Figure 4-9. Rear Controller Cover Removal...

  • Page 127: Rear Cover Removal

    EPSON AcuLaser C2000 Revision C 4.2.3.7 Rear Cover Removal 4.2.3.8 Rear Right Cover Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 1. Remove the Rear Cover. (See “Rear Cover Removal” on page -127.) Removal” on page -126.) 2.

  • Page 128: Left Rear Cover Removal

    EPSON AcuLaser C2000 Revision C 4.2.3.9 Left Rear Cover Removal 4.2.3.10 Rear Left Cover Removal 1. Remove the Rear Right Cover. (See “Rear Right Cover Removal” on 1. Remove the Left Rear Cover. (See “Left Rear Cover Removal” on page -127.) page -128.)

  • Page 129: C314Main Board

    EPSON AcuLaser C2000 Revision C 4.2.4 C314MAIN Board 3. Remove a screw(A) securing the C314MAIN Board and an earth wire of the Controll Panel harness. Remove the harness from the connector of the MAIN Board. 4.2.4.1 C314MAIN Board Removal 1. Remove the Rear Controller Cover (See 4.2.3.6 "Rear Controller Cover Removal"on page 126.)
  • Page 130 EPSON AcuLaser C2000 Revision C Option Interface Cover Figure 4-17. Screws of the C314MAIN Board (2) Parallel Interface Connector Figure 4-16. Option Interface Cover Removal 6. Remove 2 screws securing the Option Interface Cover to the C314MAIN board. 7. Remove 2 screws securing the Parallel Interface Connector to the Interface Cover.

  • Page 131: Controller Box Removal

    EPSON AcuLaser C2000 Revision C 4.2.4.2 Controller Box Removal 4.2.5 MCU (PWB-A Board) Removal 1. Remove the Rear Right Cover.( See 4.2.3.10 "Rear Left Cover 1. Remove the Rear Controller Cover. (See “Rear Controller Cover Removal"on page 128.). Removal” on page -126.) 2.

  • Page 132: Pu1 (Power Supply Board) Removal

    EPSON AcuLaser C2000 Revision C 4.2.6 PU1 (Power Supply Board) Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover The connector PJ6 on the MCU is blank. Removal” on page -126.) 2. Remove the Rear Left Cover. (See “Rear Left Cover Removal” on page -128.)

  • Page 133: High Voltage Board (Hv1, Hv2) Removal

    EPSON AcuLaser C2000 Revision C 4.2.7 High Voltage Board (HV1, HV2) Removal 4.2.7.2 HV2 (High Voltage Board) Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 4.2.7.1 HV1 (High Voltage Board) Removal Removal” on page -126.) 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 134: Fusing Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.8 Fusing Motor Removal 1. Disconnect the fusing motor harness from the fuser motor board. 2. Remove 4 screws securing the Fusing Motor and remove the Fusing Motor. Figure 4-23. HV2 (High Voltage Board) Removal Figure 4-24.

  • Page 135: Transfer Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.9 Transfer Motor Removal 4.2.9.2 Transfer Motor Removal 1. Remove the PU1 Support Board. (See “PU1 Support Plate Removal” 4.2.9.1 PU1 Support Plate Removal on page -135.) 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 136: Fusing Pressure Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.10 Fusing Pressure Motor Removal 4.2.11 Fan Motor Removal 1. Remove the PU1 Support Board. (See “PU1 Support Plate Removal” 4.2.11.1 Power Supply Fan Motor Removal on page -135.) 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 137: Fusing Fan Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.11.2 Fusing Fan Motor Removal 4.2.11.3 Transfer Belt Fan Motor Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 1. Remove the Rear Controller Cover. (See “Rear Controller Cover Removal” on page -126.) Removal”...

  • Page 138: Cooling Fan Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.11.4 Cooling Fan Motor Removal 4.2.12 Laser Safety Switch (CDRH-SW) Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 1. Remove the Front Inner Cover. (See “Front Inner Cover Removal” on Removal” on page -126.) page -124.)

  • Page 139: Waste Toner Full Sensor Removal

    EPSON AcuLaser C2000 Revision C 4.2.13 Waste Toner Full Sensor Removal 1. Remove the Front Cover. (See “Front Cover Removal” on page -123.) 2. Remove the Operation Panel. (See “Operation Panel Removal” on page -124.) 3. Remove the Front Inner Cover. (See “Front Inner Cover Removal” on page -124.)

  • Page 140: Mp Tray Paper Load

    EPSON AcuLaser C2000 Revision C 4.2.14 MP Tray Paper Load 4.2.14.2 MP Tray Paper Load Solenoid Removal 1. Open the standard MP tray. 4.2.14.1 Paper Load Cover Removal 2. Remove the Paper Load Cover. (See “Paper Load Cover Removal” on 1.

  • Page 141: Mp Tray Paper Load Unit

    EPSON AcuLaser C2000 Revision C 4.2.15 MP Tray Paper Load Unit 4.2.15.2 MP Tray Paper Load Unit Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 4.2.15.1 Front Bearing for the MP Tray Paper Load Unit Removal” on page -126.) Removal 2.

  • Page 142: Paper Cassette

    EPSON AcuLaser C2000 Revision C 4.2.16 Paper Cassette 4.2.16.2 Paper Near Empty Sensor Removal 1. Prepare the thick buffer and lay the printer there on its left side down. 4.2.16.1 Paper Size Switch Removal 2. Release the fixing tab for the Paper Near Empty Sensor.

  • Page 143: Transfer Mechanism

    EPSON AcuLaser C2000 Revision C 4.2.17 Transfer Mechanism 4.2.17.2 Middle Roller Solenoid Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 4.2.17.1 Timing Roller Solenoid Removal Removal” on page -126.) 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 144: Lower Paper Load Guide Removal

    EPSON AcuLaser C2000 Revision C 4.2.17.3 Lower Paper Load Guide Removal 4.2.17.4 Timing Sensor Removal 1. Lift the bottom end (green part) of the Upper Paper Load Guide and 1. Remove the Lower Paper Load Guide. (See “Lower Paper Load Guide release the hook of Timing Roller.

  • Page 145: Developer Mechanism

    EPSON AcuLaser C2000 Revision C 4.2.19 Developer Mechanism 4.2.19.2 Front Side Rack Bearing Removal 1. Remove the Toner Empty Sensor. 4.2.19.1 Toner Empty Sensor Removal 2. Remove 3 screws securing the Front Side Rack Bearing. 1. Remove the Front Cover. (See “Front Cover Removal” on page -123.) 2.

  • Page 146: Rack Lock Lever Removal

    EPSON AcuLaser C2000 Revision C 4.2.19.3 Rack Lock Lever Removal 4.2.19.4 Rack Black Position Sensor Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 1. Remove the Rear Controller Cover. (See “Rear Controller Cover Removal” on page -126.) Removal”...

  • Page 147: Developer Motor Assy. Removal

    EPSON AcuLaser C2000 Revision C 4.2.19.5 Developer Motor Assy. Removal 4.2.19.6 Rear Rack Bearing Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 1. Remove the Rear Controller Cover. (See “Rear Controller Cover Removal” on page -126.) Removal” on page -126.) 2.

  • Page 148: Rack Removal

    EPSON AcuLaser C2000 Revision C 4.2.19.7 Rack Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover Removal” on page -126.) 2. Remove the Rear Cover. (See “Rear Cover Removal” on page -127.) 3. Remove the PU1 Support Plate. (See “PU1 Support Plate Removal”...

  • Page 149: Ph (Print Head) Mechanism

    EPSON AcuLaser C2000 Revision C 4.2.20 PH (Print Head) Mechanism 4.2.20.2 PH Cover Removal 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 4.2.20.1 PH Connector Removal Removal” on page -126.) 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 150: Ph Removal

    EPSON AcuLaser C2000 Revision C 4.2.20.3 PH Removal 4.2.21 Transfer Mechanism 1. Remove the PH connector. (See “PH Connector Removal” on 4.2.21.1 Transfer Roller Pressure Solenoid Removal page -149.) 1. Remove the Paper Load Cover. (See “Paper Load Cover Removal” on 2.

  • Page 151: Transfer Roller Pressure Sensor Removal

    EPSON AcuLaser C2000 Revision C 4.2.21.2 Transfer Roller Pressure Sensor Removal 1. Open the standard tray. 2. Remove the fusing cover and duplex unit if installed. Figure 4-55. Transfer Roller Pressure Sensor Figure 4-54. Transfer Cover 3. Remove the hook of the transfer roller pressure sensor.

  • Page 152: Suction Fan Motor Removal

    EPSON AcuLaser C2000 Revision C 4.2.21.3 Suction Fan Motor Removal 4.2.21.4 Middle Paper Sensor Removal 1. Open the standard tray. 1. Remove the suction fan. (See “Suction Fan Motor Removal” on page -152.) 2. Remove the transfer cover and duplex unit if installed. (2 screws) (See “Transfer Roller Pressure Sensor Removal”...

  • Page 153: Belt Cleaner Mechanism

    EPSON AcuLaser C2000 Revision C 4.2.22 Belt Cleaner Mechanism 4.2.22.2 Left Frame Plate Removal 1. Remove the Left Upper Support Plate. (See “Left Upper Support Plate 4.2.22.1 Left Upper Support Plate Removal Removal” on page -153.) 1. Remove the Operation Panel. (See “Operation Panel Removal” on 2.

  • Page 154: Belt Cleaner Estrangement Position Sensor Removal

    EPSON AcuLaser C2000 Revision C 4.2.22.3 Belt Cleaner Estrangement Position Sensor 4.2.22.4 PWB-I (Belt Cleaner Control Board) Removal Removal 1. Remove the Left Frame Plate. (See “Left Frame Plate Removal” on 1. Remove the Left Frame Plate. (See “Left Frame Plate Removal” on page -153.)

  • Page 155: Fusing Mechanism

    EPSON AcuLaser C2000 Revision C 4.2.23 Fusing Mechanism 4.2.24 Paper Eject Mechanism 4.2.23.1 Pressure Roller Estrangement Sensor Removal 4.2.24.1 Paper Eject Sensor Removal 1. Remove the Fusing Pressure Motor. (See “Fusing Pressure Motor 1. Open the fusing cover. Removal” on page -136.) 2.

  • Page 156: Rack Motor Assy

    EPSON AcuLaser C2000 Revision C 4.2.25 Rack Motor Assy. 4.2.25.2 Rack Motor Assy. Removal 1. Remove 2 screws securing the power fan installation plate to the 4.2.25.1 Power Switch Removal printer and remove the power fan. 1. Remove the Rear Controller Cover. (See “Rear Controller Cover 2.

  • Page 157: Duplex Unit

    EPSON AcuLaser C2000 Revision C 4.2.26 Duplex Unit 4.2.26.2 Duplex Unit Board Cover Removal 1. Remove 1 screw securing the board cover to the duplex unit. 4.2.26.1 Duplex Paper Feed Sensor Removal 1. Remove 2 screws securing the Duplex Unit to the printer.

  • Page 158: Duplex Unit Board (Pwb-Ad) Removal

    EPSON AcuLaser C2000 Revision C 4.2.26.3 Duplex Unit Board (PWB-AD) Removal 4.2.26.4 Motor Cover Removal 1. Remove the Board Cover. (See “Duplex Unit Board Cover Removal” 1. Remove 1 screw securing the Motor Cover. on page -157.) 2. Release 1 hook securing the Motor Cover to the Duplex Unit.

  • Page 159: Motor Plate Removal

    EPSON AcuLaser C2000 Revision C 4.2.26.5 Motor Plate Removal 4.2.26.6 Reverse Motor Removal 1. Remove 2 motor connectors from the Motor Plate and 3 screws 1. Remove 3 screw securing the Motor Plate. securing the Plate. 2. Remove the harness from 3 harness saddles.

  • Page 160: Program Rom Update

    EPSON AcuLaser C2000 Revision C 4.3 Program ROM Update After pressing the “Enter Switch”, you cannot return to the former state of firmware. The firmware of this printer is stored on the Flash-ROM DIMM (program ROM) on the controller circuit board (C314MAIN). There are 2 ways to update firmware.

  • Page 161: Dimm Module Copy

    EPSON AcuLaser C2000 Revision C 4.3.2 DIMM Module Copy <END: Write. ER: CONT> Cause: Verify error during writing or erasing This section explains the method of directly copying the firmware or font Same for when the verify error is occurred during DIMM erase date to DIMM module.
  • Page 162 C H A P T E R ADJUSTMENT...

  • Page 163: Adjustment

    EPSON AcuLaser C2000 Revision C 5.1 Adjustment Adjustment is not required for EPSON AcuLaser C2000. Adjustment Adjustment...
  • Page 164 C H A P T E R MAINTENANCE...

  • Page 165: Maintenance

    Still, the replacement at This chapter explains the maintenance of EPSON AcuLaser C2000. The the described timing is recommended for the product quality maintenance of this product is designed for users to do maintenance.

  • Page 166: Chapter 7 Appendix

    C H A P T E R APPENDIX...

  • Page 167: Overview

    EPSON AcuLaser C2000 Revision C 7.1 Overview 7.1.1 MCU Internal Connection Diagram The following pages show MCU, Mechanical Computer Internal Connection Diagram. Appendix Overview...
  • Page 168 ELECTRICAL WIRING DIAGRAM Fuser Unit PWB-I CN45 Heater 1 (Heat Roller) CN95 PJ32A PJ2I PJ3I Thermostat 1 PC16.ON Dev_M_A Option サーモスタット１ BeltCL_M_B +24V Developer Motor BeltCL_M_A Dev_M_/A 5 bin PJ13A PJ5PU Heater 2 (Press Roller) 現像モータ GND1 /BeltCL_M_EN Dev_M_B PJ1PU Mail Bin Mail Set_Det in_L...

  • Page 169: Component Layout

    EPSON AcuLaser C2000 Revision C 7.2 Component Layout The following pages show the component layout of EPSON AcuLaser C2000. Appendix Component Layout...

  • Page 172: Exploded Diagram

    EPSON AcuLaser C2000 Revision C 7.3 Exploded Diagram The following pages show the exploded diagram for EPSON AcuLaser C2000. Appendix Exploded Diagram...

  • Page 173: Parts List

    The parts to which no reference number is assigned will not be available as after-sale service parts. 3541 3541 3541 3541 3541 3704 3704 8406 3541 3704 3541 3704 1305 3704 3704 3541 3704 3541 EPSON AcuLaser C2000 NO.01 Rev.01 10224...
  • Page 174 3704 3704 3704 9107 3704 3704 3704 The parts to which no reference number is assigned will not be available as 3704 after-sale service parts. 3704 EPSON AcuLaser C2000 NO.02 Rev.01 10224...
  • Page 175 3334 9302 Fig.10 0538 3504 1247 3501 9107 3504 9302 3501 3411 PC14 The parts to which no reference number is assigned will not be available as after-sale service parts. EPSON AcuLaser C2000 NO.03 Rev.01 10224...
  • Page 176 3504 3541 3504 3504 3504 3705 3504 2510 3504 3504 3504 3504 8302 1124 The parts to which no reference number is assigned will not be available as 3504 after-sale service parts. 3504 3504 EPSON AcuLaser C2000 NO.04 Rev.01 10224...
  • Page 177 1308 3701 3704 9303 3504 9105 9303 9105 3501 9302 9302 3504 3402 3501 3504 PC16 3701 3501 9303 3701 PWB-I 9302 1318 3501 3504 EPSON AcuLaser C2000 NO.05 Rev.01 10224...
  • Page 178 The parts to which no reference number is assigned will not be available as after-sale service parts. 3504 3504 1308 3504 3504 9301 9301 1308 PWB-H 3504 9301 3704 9301 3504 EPSON AcuLaser C2000 NO.06 Rev.01 10224...
  • Page 179 The parts to which no reference number is assigned will not be available as after-sale service parts. 3504 3504 9107 3504 0508 9107 0508 1308 9306 3504 9107 EPSON AcuLaser C2000 NO.07 Rev.01 10224...
  • Page 180 3504 3504 3504 3704 8501 3704 1312 8501 3504 3504 3504 3504 3504 3907 3504 1318 1308 1318 9112 3519 1318 3504 3504 1312 1308 PC13 9102 3504 3504 3504 3504 8501 3504 3504 EPSON AcuLaser C2000 NO.08 Rev.01 10224...

  • Page 181: Circuit Diagram

    3924 Fig.10 3704 3504 3504 3504 9107 9301 3704 9302 9107 3504 9112 9302 PC15 3504 9301 3704 9301 3504 9302 3704 0508 9112 1308 9302 EPSON AcuLaser C2000 NO.09 Rev.01 10224...
  • Page 182 1308 PC20 0508 0508 3504 9302 PC12 9302 3402 3504 1308 3504 9302 9301 3504 The parts to which no reference number is assigned will not be available as 3504 after-sale service parts. 3504 EPSON AcuLaser C2000 NO.10 Rev.01 10224...
  • Page 183 The parts to which no reference number is assigned will not be available as after-sale service parts. 3504 9302 3504 3334 3504 3504 9302 3504 9107 9302 3704 9302 9302 9302 PC11B PC11A 3504 3504 3704 9302 9302 3504 EPSON AcuLaser C2000 NO.11 Rev.01 10224...
  • Page 184 3704 3704 3701 3504 3704 9112 3704 3504 3524 9302 9112 9302 3504 3504 3504 3704 8501 3709 9301 3504 1308 3504 3504 3504 EPSON AcuLaser C2000 NO.12 Rev.01 10224...
  • Page 185 The parts to which no reference number is assigned will not be available as after-sale service parts. EPSON AcuLaser C2000 NO.13 Rev.01 10224...
  • Page 186 The parts to which no reference number is assigned will not be available as after-sale service parts. FOR 500SheetPaperCassetteUnit(AcuLaser C2000) NO.14 Rev.01 10231...
  • Page 187 The parts to which no reference number is assigned will not be available as SL1C after-sale service parts. PC4C 9107 9107 PWB-AC PC3C 9107 PC2C PC1C FOR 500SheetPaperCassetteUnit(AcuLaser C2000) NO.15 Rev.01 10231...
  • Page 188 The parts to which no reference number is assigned will not be available as after-sale service parts. 3541 1308 9302 9302 9107 3708 9302 3544 9302 9302 9302 9302 3708 9302 3705 9107 9302 9107 9302 3708 3705 3501 9302 PC21 3708 3501...
  • Page 189 For example, 1-01 corresponds with 01 on the exploded diagram 1. 1-22 LABEL The Table 7-1 is for the main body of EPSON AcuLaser C2000; is for the 500 Sheet Paper Cassette Unit and is for Duplex unit. 1-23 FRONT COVER 1-24 LABEL,DC/PH/I.T.U CHANGE...
  • Page 190 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 7-1. Main Body -- Parts List Number Name Number Name 2-20 LEVER 2-46 GUIDE ASSY 2-21 PULLEY 3-01 FUSING UNIT DRIVE ASSY 2-22 TIMINGBELT 3-02 SCREW 2-23...
  • Page 191 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 7-1. Main Body -- Parts List Number Name Number Name 3-25 FUSER OIL ROLL 5-01 DUCT ASSY 3-36 LABEL 5-02 LEVER 4-01 POWER SUPPLY 5-03 LEVER 4-02...
  • Page 192 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 7-1. Main Body -- Parts List Number Name Number Name 6-08 BUSHING 8-02 SPACER 6-09 TORSION SPRING 8-03 COVER 6-10 LEVER 8-04 GUIDE 6-11 SOUND SHIELD 8-05...
  • Page 193 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 7-1. Main Body -- Parts List Number Name Number Name 8-27 TENSION SPRING 9-03 GEAR 8-28 DUCT 9-04 GEAR 8-29 MICRO SWITCH 9-05 8-30 LEVER 9-06 CLUTCH SPRING...
  • Page 194 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 7-1. Main Body -- Parts List Number Name Number Name 10-10 TORSION SPRING 11-19 HOLDER ASSY 10-11 ROLLER 11-20 SCREW 10-12 LEVER 11-21 SEAL 10-13 SHAFT ASSY...
  • Page 195 EPSON AcuLaser C2000 Revision C Table 7-1. Main Body -- Parts List Table 1-3. 500 Sheet Paper Cassette Unit - Parts List Number Name Number Name 12-14 COLLAR 14-01 GUIDE ASSY 12-15 HOLDER 14-02 ROLL 12-16 HUMIDITY CONVERTION EL 14-03...
  • Page 196 EPSON AcuLaser C2000 Revision C Table 1-3. 500 Sheet Paper Cassette Unit - Parts List Table 1-4. Duplex Unit -- Parts List Number Name Number Name 15-13 PUSH BUTTON SWITCH 16-14 TORSION SPRING 15-14 SHAFT 16-15 PULLEY 15-15 JOINT 16-16...
  • Page 197 EPSON AcuLaser C2000 Revision C 7.5 Circuit Diagram The following pages show circuit diagram of the controller. C314MAIN 1/7 C314MAIN 2/7 C314MAIN 3/7 C314MAIN 4/7 C314MAIN 5/7 C314MAIN 6/7 C314MAIN 7/7 Appendix Circuit Diagram...

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