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Epson EPL-N2700 Service Manual

Epson epl-n2700 /n2750 laser printer service manual
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SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
Laser Printer
EPSON EPL-N2700 / N2750

SEPG98006

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Summary of Contents for Epson EPL-N2700

  • Page 1 SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL Laser Printer EPSON EPL-N2700 / N2750 SEPG98006...
  • 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 EPL-N2700/ N2750. 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 Feburary 10, 1999 Fisrt Relase April 6, 2000 EPL-2750 is added.

  • Page 8: Table Of Contents

    Chapter 1 Product Description 1.5 Dimensions and Weight ..............57 1.1 Overview ................... 12 Chapter 2 Operating Principles 1.1.1 Difference Between EPL-N2700 and EPL-N2750 ..... 13 1.2 Basic Specifications ................ 15 2.1 Printer Mechanism Operating Principles ........60 1.2.1 Controller Specifications ............15 2.1.1 General Description of Each Section ........
  • Page 9 EPSON EPL-N2700 / N2750 Revision B 3.1.1.1 Message List ..............89 4.2.15 Power Supply Unit Cooling Fan Removal ......117 3.1.1.2 Message Descriptions ............91 4.2.16 High Voltage Unit Removal ........... 118 3.1.2 Service-call Error ............... 92 4.2.17 Front Cover Removal ............119 3.1.2.1 Engine Related Error ............
  • Page 10 EPSON EPL-N2700 / N2750 Revision B 6.1.1 Maintenance by Users ............. 146 6.1.2 Replacement of Consumable Items ........146 6.1.3 Maintenance by Servicers ............147 Chapter 7 Appendix 7.1 Connector Summary ..............149 7.2 Component Layout ................ 151 7.3 Exploded Diagrams ............... 152 7.3.1 Housing ...................

  • Page 11: Chapter 1 Product Description

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

  • Page 12: Overview

    1.1 Overview IEEE l284 based parallel interface (supports ECP) RS-232C serial interface The EPL-N2700 / N2750 is a business-oriented page printer making the Ethernet Interface (100/10Base-TX) most use of the laser diode and the electrical photo technology. The main feature of the printer are as follows:...

  • Page 13: Difference Between Epl-N2700 And Epl-N2750

    TypeB Level3 supported. HDD supported. Electrical short, expanded I/F buffer size (only for Network Figure 1-1. Exterior View of the EPL-N2700 / EPL-N2750 / N2750 interface), font registration when in PS3 mode. Job management function added. Acquirement of printing status and job canceling are enabled for jobs printed from EPSON DirectPrint.
  • Page 14 Installed as standard in NLSP Bitmap Font 3+ main unit Font ROM for EPL-N2750 C H E C K PostScript 3 kit for EPL-N2700 and PostScript 3 kit for P O I N T EPL-N2750 are not compatible. Product Description Overview...

  • Page 15: Basic Specifications

    EPSON EPL-N2700 / N2750 Revision B 1.2 Basic Specifications Interfaces Standard interface: This section describes the basic specifications of the EPL-N2700 / EPL- N2750. Parallel interface: Bidirectional parallel I/F (B type connector) 1.2.1 Controller Specifications (IEEE-1284 compliant / Compatibility, Nibble and ECP mode)

  • Page 16: Configuration

    EPSON EPL-N2700 / N2750 Revision B 1.2.2 Configuration The following configuration set on the controller varies according to the destination. (See Table 1-2.) Settings are made in factory using the jumper resistance. Table 1-2. Configuration Classification Chinese Default for Version (Destination)

  • Page 17: Engine Specifications

    EPSON EPL-N2700 / N2750 Revision B 1.2.3 Engine Specifications First print Printing method Table 1-4. First Print Semiconductor laser beam scan + dry-powdered single-component Single Print Duplex Print magnetic toner electro-photographic printing Paper Size MP Cassette Cassette 1 MP Cassette...
  • Page 18 EPSON EPL-N2700 / N2750 Revision B See Table 1-5 for paper source specifications. Table 1-5. Paper Supply / Paper Size / Capacity Paper Source / Capacity Paper Size Available Paper Thickness Available • Standard size paper within the size of:...

  • Page 19: Paper Specifications

    EPSON EPL-N2700 / N2750 Revision B 1.2.4 Paper Specifications See Table 1-6 for the paper sources and their paper availability. Table 1-6. Paper Sources and their Paper Availability North America Europe Cassette 1 Cassette 1 Size Duplex Type Large Capacity...
  • Page 20 EPSON EPL-N2700 / N2750 Revision B With a 5-bin Unit installed: CONSUMABLES AND OPTIONS Imaging Cartridge Table 1-7. Paper Ejection Capacity with 5-bin Unit Bin 1 Paper Type Bin 2 - 4 Bin 5 Supported paper sizes Normal Shifting MP Cassette:...
  • Page 21 EPSON EPL-N2700 / N2750 Revision B Average consumption current: power consumption 1.3 A or less (24V) Printer Main Body: See Table 1-9. 0.5 A or less (5V) Power consumption: Table 1-9. Power Supply Specification 32 W or less (TBD) Item...

  • Page 22: Process Specifications

    EPSON EPL-N2700 / N2750 Revision B 1.2.5 Process Specifications Carbon paper, “non-carbon” paper Thermal paper, pressure-sensitive paper, Acidic paper Printing system: Dry single-component toner Paper already printed on by thermal-transfer printer or ink jet electrophotographic process printer Exposing source: Semi-conductor laser beam...
  • Page 23 EPSON EPL-N2700 / N2750 Revision B Paper path availability Printable area Printable area: 297 mm x 420 mm Table 1-10. Paper Path Availability Guaranteed print area: 289 mm x 412 mm Special Paper Area other than 4 mm inward from each...

  • Page 24: Reliability, Durability, And Maintainability

    EPSON EPL-N2700 / N2750 Revision B 1.2.7 Reliability, Durability, And Maintainability MPBF Print position accuracy 60,000 sheets (For single-side print) NOTE: MPBF is an average number of sheets printed between failures, where “failure” indicates a condition that requires part replacement or that cannot be corrected by user.
  • Page 25 EPSON EPL-N2700 / N2750 Revision B Ambient Illumination: 3000 lux or less Skew (Must avoid direct sunlight.) Space Requirement: Table 1-13. Paper Skew To ensure proper operation of the printer, sufficient open space Print mode Direction A4 (LEF) A3 (SEF) must be left around printer, as indicated in Figure 1-3.

  • Page 26: Environmental Condition For Storage And Transportation (Including Consumables)

    EPSON EPL-N2700 / N2750 Revision B 1.2.8 Environmental Condition For Storage And Transportation (Including Consumables) Temperature and humidity Vibration Tolerance Vibration: 5 to 100Hz / 100 to 5Hz Table 1-14. Environmental Conditions - Main Unit Acceleration: Item Conditions Normal 0 to 35°C...

  • Page 27: Electrical Specifications

    EPSON EPL-N2700 / N2750 Revision B 1.2.9 Electrical Specifications Dielectric Strength AC Line Noise Insulation shall not break down when the following voltage is applied between primary circuit and chassis for 1 minute: Pulse width: 50 to 1000 ns 100V version:...

  • Page 28: Safety Approval

    EPSON EPL-N2700 / N2750 Revision B 1.2.10 Safety Approval Power consumption Safety Regulation In compliance with International Energy Star program Table 1-15. Safety Regulation Others Model Applicable Standard Toner: • UL 1950 100V version No effect on human health. • CSA 22.2 No.950 (In compliance with OSHA, TSCA, EINECS, worker safety laws and •...

  • Page 29: Consumables

    EPSON EPL-N2700 / N2750 Revision B 1.2.11 Consumables Environmental COndition for storage and transportation This printer's only consumable part is the Imaging Cartridge. Table 1-19. Environmental Conditions - Consumables Item Conditions specifications Normal 0 to 35°C Table 1-18. Imaging Cartridge Specifications...

  • Page 30: External Interface Specifications

    1.3 External Interface Specifications 1.3.1 Host Interface Usage Configurations The EPL-N2700 / EPL-N2750 has the automatic interface switching The EPL-N2700 / EPL-N2750 supports the following interfaces. mode. however, the interface to be used can be fixed by a control panel Bidirectional parallel I/F (standard) operation.

  • Page 31: Parallel Interface

    *2. The following character string appears when an optional ROM DIMM is installed: - PostScript 3 DIMM:,POSTSCRIPT *3. Displays model name: EPL-N2700 or EPL-N2750 according to your machine. NOTES: Page returns have been inserted in the explanation above to make it easier to read, but it is actually given in a serial string format without any breaks.

  • Page 32: Ethernet I/F

    Protocols marked with “: (asterisk mark) are only for EPL- N2750. AppleTalk (ELAP, DDP, ATP, PAP, AARP, NBP, ZIP, RTMP) (When AppleTalk is used, items such as printer name must be set on the Web browser. EPSON Net and EPSON Net2 can not be used.) Connector: RJ45...

  • Page 33: Type-B I/F

    EPSON EPL-N2700 / N2750 Revision B 1.3.5 Type-B I/F Table 1-22. Emulations Available Emulation Emulation Type Entity Type This printer is equipped with one slot for an optional Type-B interface card. PCL5E-00 EPSONPCL5 GL/2 HPGL2-01 EPSONHPGL2 Main System Type: MTP600dpi,PW7016dt600dpi,PRG( ∗∗∗∗...

  • Page 34: Panel Operation

    Printer contains data that has not yet been processed. (If data is not effective print data, light will not be on.) The control panel of the EPL-N2700 / EPL-N2750 includes a variety of OFF: Printer has finished processing all print data.
  • Page 35 EPSON EPL-N2700 / N2750 Revision B Form Feed button setting when in SelecType mode. If the printer contains data but is not enabled for printing (if Form Press this button twice when the printer is on-line to print the Status Feed lamp is on), this switch causes printer to output printing results Sheet.

  • Page 36: Panel Settings

    EPSON EPL-N2700 / N2750 Revision B 1.4.2 Panel Settings Table 1-23. EPL-2700 SelecType Option MENU Button ITEM Button VALUE Button 1.4.2.1 Setting Items − Quantity The following tables show the available panel setting options. Manual Feed OFF / ON Resolution 600 / 300 NOTE: Underlined values are default values.
  • Page 37 EPSON EPL-N2700 / N2750 Revision B Table 1-23. EPL-2700 SelecType Option Table 1-23. EPL-2700 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button Auto Cont OFF / ON Network Menu Page Protect Auto / ON...
  • Page 38 EPSON EPL-N2700 / N2750 Revision B Table 1-23. EPL-2700 SelecType Option Table 1-23. EPL-2700 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button SymSet IBM-US / Roman-8 / ECM94-1 / 8859-2 ISO / PS3 Menu...
  • Page 39 EPSON EPL-N2700 / N2750 Revision B Table 1-23. EPL-2700 SelecType Option Table 1-23. EPL-2700 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button Text 1 - 62 - 66 - available (max 111) lines TR Counter Clear...
  • Page 40 EPSON EPL-N2700 / N2750 Revision B 24: Indicated when maintenance menu becomes valid by the cache operation at EPL-2750 powering on. 25: Indicated and selected only when optional 5 bin or 10 bin mail bin unit is installed Table 1-24. EPL-2750 SelecType Option and the mode is set to the Sorter mode or MultiSort mode.
  • Page 41 EPSON EPL-N2700 / N2750 Revision B Table 1-24. EPL-2750 SelecType Option Table 1-24. EPL-2750 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button Offset Stacking OFF / ON Lang English / Français / Deutsch / ITALIANO / ESPANOL / SVENSKA / Dansk / Nerderl.
  • Page 42 EPSON EPL-N2700 / N2750 Revision B Table 1-24. EPL-2750 SelecType Option Table 1-24. EPL-2750 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button − IP Byte 4 168, 0 SymSet IBM-US / Roman-8 / Roman-9 / ECM94-1 / 8859-2 ISO / 8859-9 ISO / 8859-10 ISO / −...
  • Page 43 EPSON EPL-N2700 / N2750 Revision B Table 1-24. EPL-2750 SelecType Option Table 1-24. EPL-2750 SelecType Option MENU Button MENU Button ITEM Button VALUE Button ITEM Button VALUE Button PS3 Menu CGTable PcUSA / Italic / PcMultilin / PcPortugue / PcCanFrenc / PcNordic / PcTurkish2 /...
  • Page 44 EPSON EPL-N2700 / N2750 Revision B Table 1-24. EPL-2750 SelecType Option 18.Indicated only when optional lower cassette is installed. 19.Indicated and can be changed only when optional lower cassette is installed. MENU Button 20.Indicated only when an optional Duplex Unit is installed.

  • Page 45: Setting Item Description

    EPSON EPL-N2700 / N2750 Revision B 33.Not indicated on the panel. Not printed on the Status Sheet. Can be set and acquired by EJL. Not open to users. 34.Indicated only when option font is installed to the optional ROM socket.

  • Page 46: User Setting Items Which Are Not Include In The Setting Menu

    In printer modes that have no specification command, operations are the same as when “Plain” is set for “MP Type”. The EPL-N2700 / EPL-N2750 has the setting item “Paper Type”, if the “Paper Type” is set to “Normal” and “MP Tray” is set to “Transprnc” or Letterhead”, the MP Type is also set to the engine side.
  • Page 47 EPSON EPL-N2700 / N2750 Revision B LC1 to LC3 Type Multibin EPL-N2700 The values that can be selected for the “Out Bin” in the “Printing Menu” These are basically same as the MP Type but because special vary depending on the selection made for the “Multibin” in “Setup Menu”...
  • Page 48 EPSON EPL-N2700 / N2750 Revision B <10-bin unit> Quantity (Printing Menu) When “Multibin = Stacker” and “Outbin = Stacker” are selected: The number of copies is specified by the job unit. It has a priority over The sequence of outbin destinations is Bin10 > Bin9 > ---> Bin 2 the number set for “Copies”.

  • Page 49: One-Touch Setting

    EPSON EPL-N2700 / N2750 Revision B 1.4.4 Special Functions Offset Stacking (Printing Menu) Built-in special function can be selected by turning on the printer while Turns on or off a use of the shifter when the installed Out Bin has a holding down the specific combination of button(s).
  • Page 50 EPSON EPL-N2700 / N2750 Revision B Hex-Dump Mode This function initializes all user-selectable settings. C A U T I O N Converts received data into hexadecimal ASCII codes. Effective all The values such as total printed pages, toner interfaces. remaining level, paper remaining level, and all items...

  • Page 51: Maintenance Mode

    EPSON EPL-N2700 / N2750 Revision B Button to press: Press “On Line“, “ALT“, and “Enter“while 1.4.5 Maintenance Mode turning on the printer. Then, when the LCD indicates “DIMM COPY MODE”, press the C A U T I O N When executing any function but “Error Log Clear”, “Enter”...

  • Page 52: Engine Status Sheet

    EPSON EPL-N2700 / N2750 Revision B LC1 - LC3 Counter Clear 1.4.5.1 Engine Status Sheet A servicer performs this operation once whenever the feed roller A sample print of the Engine Status Sheet is shown below: in the LC1/LC2/LC3 has been replaced.
  • Page 53 EPSON EPL-N2700 / N2750 Revision B Total Counts Input: Shows the same value as the one for the “Page Count” in the “Setup LC1/2/3 Counter: Menu”. Shows the total sheets number loaded from the LC1/2/3 after Jam counts: the last LC 1/2/3 Counter Clear in the Maintenance Menu. It is Shows the number of times jams occurred.
  • Page 54 EPSON EPL-N2700 / N2750 Revision B Adjust Error Log: Shows the record of the most recent 20 errors that occurred. It includes corresponding LCD message, EJL status command, and Shows the adjusting value for the LC1’s main scanning total sheet number. They are shown in the order of recentness. The direction.

  • Page 55: List Of Data Controlled By The Engine Status Sheet And Controlling Method

    EPSON EPL-N2700 / N2750 Revision B 1.4.5.2 List of Data Controlled by the Engine Status Sheet and Controlling Method Table 1-29. Data Controlled by the Engine Status Sheet and Controlling Method Data name Storage location Storage location Count condition Clear condition...

  • Page 56: Dimensions And Weight

    EPSON EPL-N2700 / N2750 Revision B 1.5 Dimensions and Weight T o p V i e w Dimensions Printer main body: 535 mm (W) x 559 mm (D) x 428 mm (H) Large Capacity Lower Cassette: Unit itself: 535 mm (W) x 545 mm (D) x 284 mm (H)
  • Page 57 EPSON EPL-N2700 / N2750 Revision B Large Capacity Lower Cassette: 17 Kg or less 500-sheet Lower Cassette Unit: 7 Kg or less (TBD) Duplex Unit: 2 Kg or less 10-bin Unit: 10-bin portion: 25.9 Kg (including packed items) Horizontal transport portion: 3.6 Kg (including packed items)

  • Page 58: Chapter 2 Operating Principles

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

  • Page 59: Printer Mechanism Operating Principles

    EPSON EPL-N2700 / N2750 Revision B 2.1 Printer Mechanism Operating Principles The following diagram shows the major parts, including the sensors, and the paper paths in the printer. The printer consists of the paper feed section, print head unit (exposure section), imaging cartridge (charging...

  • Page 60: General Description Of Each Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.1 General Description of Each Section Fusing Section Using a heated roller, the fusing section permanently fixes the toner Paper Feed Section image onto the paper. The fusing temperature is controlled by using Paper is fed from either the MP Tray or Cassette 1 (universal a heat sensitive element (thermistor) attached to the upper fusing cassette).

  • Page 61: Gear/Roller Location

    EPSON EPL-N2700 / N2750 Revision B 2.1.2 Gear/Roller Location The gears and roller in the printer are located as shows in the figurer below. The transportation motor (M2) drives the transportation system and the I/D drive motor (M1) drives the gears in the Imaging Cartridge.

  • Page 62: Electrical Component Layout

    EPSON EPL-N2700 / N2750 Revision B 2.1.3 Electrical Component Layout The electrical component layout is as shown below. P H:Print Head Unit C L2:Transport Clutch P U1:Power Supply Unit S 1:Power Switch PWB-R1 H V1:High Voltage Unit S 2:Right Door Interlock Switch...

  • Page 63: Switches And Sensors

    EPSON EPL-N2700 / N2750 Revision B 2.1.3.1 Switches and Sensors Location Name Function Table 2-1. Switches and Sensors Cuts off the voltage for the heater lamp Fuser Thermostat when the upper fusing roller heats up Location Name Function abnormally. Printer main body...

  • Page 64: Paper Feeding Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.4 Paper Feeding Section 2.1.4.1 MP Tray Paper feeding from MP Tray NOTE: Note: The rotational direction is the one viewing from the The power is transmitted from the transport motor (M2) as follows to front of the printer.
  • Page 65 EPSON EPL-N2700 / N2750 Revision B MP Cassette Set Sensor (PC6) MP Cassette Paper Empty Sensor (PC4) This sensor detects the installation of the MP cassette. This sensor This sensor detects the paper empty status of the MP cassette. The uses a photointerrupter.
  • Page 66 EPSON EPL-N2700 / N2750 Revision B (3) MP Cassette Paper Near Empty Sensor (PC5) Timing Roller Front Sensor (PC2) This sensor detects the paper near empty status of the MP Cassette This sensor detects that the paper is fed inside the printer. The paper.
  • Page 67 EPSON EPL-N2700 / N2750 Revision B MP Cassette Size Sensor A4 / Letter Detection The paper size for the MP cassette is detected by the rear paper The MP Cassette has the A4 / Letter detection mechanism. The guide. The paper size detection mechanism consists of the arm that...

  • Page 68: Cassette 1

    EPSON EPL-N2700 / N2750 Revision B 2.1.4.2 Cassette 1 NOTE: The rotational direction is the one m from the front of the printer. Paper Feeding from Cassette 1 The power is transmitted from the transport motor (M2) as described on the right to take up paper from the Cassette 1.
  • Page 69 EPSON EPL-N2700 / N2750 Revision B [Separators] Double feed of paper in the Cassette 1 is prevented by the separators of the paper cassette. Cassette 1 Paper Empty 4108s022 Sensor (PC22) 0148s024 Cassette 1 Paper Near Empty Sensor (PC25) Cassette 1 Set Switch...
  • Page 70 EPSON EPL-N2700 / N2750 Revision B Cassette 1 Paper Size Sensor A mechanical switch is installed to the Cassette 1 to set the size of Paper Size Detection Sequence the paper set. Unlike for the MP Cassette (MP Tray), the printer...
  • Page 71 EPSON EPL-N2700 / N2750 Revision B Cassette 1 Paper Empty Sensor (PC22) Cassette 1 Paper Near Empty Sensor (PC25) This sensor detects the paper near empty status of the Cassette 1 This sensor detects the paper empty status of the Cassette 1. The paper.
  • Page 72 EPSON EPL-N2700 / N2750 Revision B Cassette 1 Right Door Detecting Sensor (PC23) This sensor detects whether the Cassette 1 right door is closed or not. The sensor uses a photointerrupter. The right door is normally closed except when removing jammed paper.

  • Page 73: Paper Feed

    EPSON EPL-N2700 / N2750 Revision B 2.1.4.3 Paper Feed Paper Feeding When the timing clutch (CL1) is activated, torque is transmitted to The paper taken up by the paper take-up section is fed to the transfer the timing roller from the transport motor (M2) as follows and the section after registration compensation.

  • Page 74: Printhead Unit (Exposure Section)

    EPSON EPL-N2700 / N2750 Revision B 2.1.5 Printhead Unit (Exposure Section) Operation of the SOS Sensor To maintain the printing density constant, it is required to emit a The print head unit incorporates a laser diode that emits the laser beam laser beam at constant laser power.

  • Page 75: Print Process Sequence

    EPSON EPL-N2700 / N2750 Revision B 2.1.5.1 Print Process Sequence The print process sequence is as shown in the following figure. For details, See Section 2.1.5.1 Polygon motor ON The polygon motor in the printhead unit starts turning. - Charge bias, developer bias, seal bias and transfer bias voltages are applied Starting processing - The I/C (Imaging Cartridge) drive motor (M1) starts turning.

  • Page 76: Imaging Cartridge

    EPSON EPL-N2700 / N2750 Revision B 2.1.6 Imaging Cartridge Sleeve Roller: Feeds toner to the electrostatic latent 2.1.6.1 Part Names and Functions of the Imaging Cartridge image formed on the surface of the PC drum to produce a visible toner image.

  • Page 77: Charging Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.6.2 Charging Section 2.1.6.3 Development Section Before producing an electrostatic latent image on the surface of the PC The development section feeds toner to the electrostatic latent image drum with a laser beam, the PC drum is charged by static electricity with on the surface of the PC drum to produce a visible toner image.
  • Page 78 EPSON EPL-N2700 / N2750 Revision B The following illustrates an example where the letter “A” is written by the Operation of the Toner Empty Sensor: laser beam and toner sticks onto the letter “A” on the surface of the PC The toner empty sensor detects the toner-empty status.

  • Page 79: Transfer Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.6.4 Transfer Section The transfer roller transfers the toner image on the surface of the PC Paper drum onto the paper. A positive transfer bias is applied to the transfer Needle Pole roller so that the toner (reduced negative voltage) on the surface of the PC Drum PC drum sticks to the paper.

  • Page 80: Fusing Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.6.5 Fusing Section Temperature control using the thermistor The resistance of the thermistor (TH1) attached to the upper fusing The power from the transport motor (M2) is transmitted to the upper roller varies with temperatures. When temperature rises, the fusing roller so that the toner-transferred paper is fed from the transfer resistance of the thermistor (TH1) decreases, and vice versa.
  • Page 81 EPSON EPL-N2700 / N2750 Revision B Rush current preventing circuit for heater lamp NOTE:190°C --> 183°C for overseas versions (TBD) To prevent rush current when an AC voltage is applied to the heater lamp, the CPU turns off the Remote 1 signal and turns on the Remote 2 signal in the form of pulse.

  • Page 82: Paper Exit Section

    EPSON EPL-N2700 / N2750 Revision B 2.1.6.6 Paper Exit Section The paper fed from the fusing section passes through the paper exit Paper Exit Roller roller and ejected to the output tray. The transmit power for feeding Paper Exit Sensor paper is given by the transport motor (M2) and transmitted in the order from 1) ~ 12) shown in the figure.

  • Page 83: Detection Whether New Or Used Imaging Cartridge

    EPSON EPL-N2700 / N2750 Revision B 2.1.7 Detection whether New or Used Imaging 2.1.8 Right Door Interlock Switch Cartridge The right door is normally closed. It will be opened when the imaging The printer has the function to detect whether the newly installed cartridge is replaced or jammed paper is removed.

  • Page 84: Electrical Circuit Operating Principles

    EPSON EPL-N2700 / N2750 Revision B 2.2 Electrical Circuit Operating Principles. 2.2.1 System Layout 2.2.1.1 Drive Section The figure below shows the drive mechanism that consists of the motors, solenoids, clutch, rollers, and sensors Figure 2-33. System Layout - Drive Section Operating Principles Electrical Circuit Operating Principles.

  • Page 85: Electrical Section

    EPSON EPL-N2700 / N2750 Revision B 2.2.1.2 Electrical Section The power supply system and the signal lines are shown below. The power supply unit supplies DC +5 V and DC +24 V to the main control board. It also supply an AC voltage to the heater lamp.

  • Page 86: Main Circuit (Video Controller)

    EPSON EPL-N2700 / N2750 Revision B 2.2.2 Main Circuit (Video Controller) 2.2.2.1 Main Component in the Main Circuit Board The following table lists the main components on the main circuit board. Data sent from the host PC is input to the main circuit via an interface or network board.

  • Page 87: Chapter 3 Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 88: Overview

    EPSON EPL-N2700 / N2750 Revision B 3.1 Overview 3.1.1.1 Message List See the following table which lists the messages indicated by the Since the mechanism of page printer is complicated, it is difficult to printer. isolate the cause of the problem exhibited. This chapter explains how to isolate the cause of the problems as well as remedies based on the Table 3-1.
  • Page 89 EPSON EPL-N2700 / N2750 Revision B Table 3-1. Printer Message Table 3-1. Printer Message Message Type Message Type Cover C3 Open Error Format Error ROM A Warning Cover E Open Error Format Error ROM B Warning Cover F Open Error...

  • Page 90: Message Descriptions

    Revision B 3.1.1.2 Message Descriptions <Remedy> After removing paper from the FD, press the Continue button, and This section describes the messages specific to EPL-N2700. the printer resumes printing. x Error yyy (error) Multibin <N> Full (error) Given when a problem occurs with the paper feeders or output bins.

  • Page 91: Service-Call Error

    Duplex print is not available due to restricted matter on the duplex printer. print. <Remedy> Table 3-2. Engine Related Error List for EPL-N2700 Press the Continue button, and the printer starts single printing. If Error Code Description “Auto Cont” in the Config menu is activated, the printer starts single...
  • Page 92 EPSON EPL-N2700 / N2750 Revision B Table 3-3. Engine Related Error List for EPL-N2750 Error Code Description E008 Main motor error E011 Fan motor error E010 Polygon motor error E027 Engine EEPROM error E998 Error in communications with engine C0098 may be returned depends on conditions.

  • Page 93: Controller Related Error List

    EPSON EPL-N2700 / N2750 Revision B 3.1.2.2 Controller Related Error List The following table lists the controller related errors which can occur in this printer. Table 3-4. Controller Related Error List Error Code ffff Description Error Code ffff Description 0017...

  • Page 94: Clearing The Service-Call Error

    3.1.3 Adding on RAM 3.1.4.1 The Printer will not Start Table 3-5. Troubleshooting - The Printer will not Start. The EPL-N2700 may display such messages as Duplex Mem Overflow, Mem Overflow, Image Optimum, Collate was disabled, and Need Symptom Analysis...

  • Page 95: The Printer Will No Print

    EPSON EPL-N2700 / N2750 Revision B 3.1.4.2 The Printer will no Print. 3.1.4.3 Image Quality Problems Table 3-6. Troubleshooting - The Printer will not Print. Table 3-7. Troubleshooting - Image Quality Problem Symptom Analysis Finding Action Symptom Analysis Finding Action...

  • Page 96: Chapter 4 Disassembly/Assembly

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

  • Page 97: Overview

    EPSON EPL-N2700 / N2750 Revision B 4.1 Overview 4.1.2 Tools The tools used to disassemble/assemble this printer are as listed below: 4.1.1 Precaution Table 4-1. Tool List Observe the following instruction well before starting servicing. Name Availability Code Phillips screw driver...

  • Page 98: Small Parts

    EPSON EPL-N2700 / N2750 Revision B 4.1.3 Small Parts Reference No. Size Name Appearance The small parts used in the printer are listed in the following table. × 1723 Cup screw Table 4-2. Small Part Classification Reference No. Size Name Appearance ×...
  • Page 99 EPSON EPL-N2700 / N2750 Revision B Reference No. Size Name Appearance Reference No. Size Name Appearance × 3702 9102 × 3703 9103 × 3704 9105 Tapping screw (Pan head B-tite screw) × 3708 9107 E-ring × 3709 9111 × 3727 9112 ×...

  • Page 100: Disassembly Procedure

    EPSON EPL-N2700 / N2750 Revision B 4.2 Disassembly Procedure This section contains the disassembly procedure for EPL-N2700 / EPL- N2750. The flowchart for the disassembly procedure is as shown below. For the information on the parts which are not included in this Chapter, refer to Chapter 7 / Exploded Diagrams.

  • Page 101: Rom Dimm Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.1 ROM DIMM Removal 1. Release two hooks fixing the access cover to the Upper Case and remove the access cover. 2. Remove two screws (1305) securing the upper shield cover and remove the upper shield cover.

  • Page 102: Paper Eject Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.2 Paper Eject Sensor Removal 1. Open the Fuser Unit Cover and release two hooks securing the Paper Eject Sensor Cover to the Fuser Unit and remove the cover. Sensor Harness Paper Eject Sensor...

  • Page 103: Mp Cassette Paper Take-Up Roller Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.3 MP Cassette Paper Take-up Roller Removal 4. Remove the C-clip and remove the Paper Take-up Roller. 1. Take out the MP Cassette from the printer body. Figure 4-6. Taking out the MP Cassette Figure 4-8.

  • Page 104: Transfer Section

    EPSON EPL-N2700 / N2750 Revision B 4.2.4 Transfer Section Never touch the transfer roller surface with your bare C A U T I O N hands. Doing so may affect print quality. 4.2.4.1 Transfer Roller Removal If you have replaced the Transfer Roller Unit, be sure 1.

  • Page 105: Transfer Unit Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.4.2 Transfer Unit Removal 4.2.4.3 Timing Roller Front Sensor Removal 1. Release two hooks securing the Transfer Unit to the vertical 1. Remove the Transfer Unit. (See Section 4.2.4.2.) transport door and lift the Transfer Unit a little.

  • Page 106: Timing Clutch Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.4.4 Timing Clutch Removal C H E C K When installing the Timing Clutch, be sure to align the 1. Remove the Transfer Unit. (See Section 4.2.4.2.) P O I N T fork on the clutch with the mounting point on the 2.

  • Page 107: Timing Roller Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.4.5 Timing Roller Removal 5. Remove two tension springs securing the bushing for the Timing Driven Roller to the Holder Assembly. 1. Remove the Transfer Unit. (See Section 4.2.4.2.) 6. Remove two E-rings (9140) from the right and left ends of the 2.

  • Page 108: Internal Cooling Fan Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.4.6 Internal Cooling Fan Removal 4.2.5 Separating the Printer 1. Remove the Transfer Unit. (See Section 4.2.4.2.) 1. Remove 1 screw (3727) securing the frame to the back of the Cassette 1, and remove the frame.

  • Page 109: Rear Cover Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.6 Rear Cover Removal 4.2.7 Transport Motor Removal 1. Remove one screw (3541) securing the CN cover to the printer and 1. Remove the Rear Cover. (See Section 4.2.6.) remove the CN cover. 2. Remove four screws (3501) securing the Transport Motor to the 2.

  • Page 110: I/C Drive Motor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.8 I/C Drive Motor Removal 4.2.9 MP Cassette Size Sensor Removal 1. Remove the Rear Cover. (See Section 4.2.6.) 1. Remove the Rear Cover. (See Section 4.2.6.) 2. Remove four screws (3501) securing the I/C Drive Motor to the 2.

  • Page 111: Paper Size Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.10 Paper Size Sensor Removal 4.2.11 Top Cover Removal 1. Remove the Rear Cover. (See Section 4.2.6.) 1. Remove two screws (3541) securing the Top Cover to the printer through the left cover. 2. Remove the MP Cassette.

  • Page 112: Toner Empty Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.12 Toner Empty Sensor Removal 1. Remove the Top Cover. (See Section 4.2.11.) 2. Remove one screw (3504) securing the Toner Empty Sensor to the printer frame and remove the sensor. 3. Disconnect the harness from the connector on the sensor.

  • Page 113: Main Circuit Board Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.13 Main Circuit Board Removal 6. Remove seven screws (1305) securing the Interface bracket to the printer frame, and remove the Interface bracket along with the Main 1. Remove the Rear Cover. (See Section 4.2.6.) Circuit Board by moving it upward.

  • Page 114: Engine Controller Board Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.14 Engine Controller Board Removal 1. Remove the Rear Cover. (See Section 4.2.6.) 2. Remove the Top Cover. (See Section 4.2.11.) 3. Remove the following screws and remove the Shield Cover. Sixteen screws (3501: marked with A in the figure) securing the Shield Cover to the printer frame.
  • Page 115 EPSON EPL-N2700 / N2750 Revision B Figure 4-26. Connector Layout 10. Remove four screws (1305) securing the Engine Controller Board to the P/H plate and remove the Engine Controller Board. Disassembly/Assembly Disassembly Procedure...

  • Page 116: Power Supply Unit Cooling Fan Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.15 Power Supply Unit Cooling Fan Removal 1. Remove the Rear Cover. (See Section 4.2.6.) 2. Remove the Top Cover. (See Section 4.2.11.) Harness 3. Remove the following screws and remove the Shield Cover.

  • Page 117: High Voltage Unit Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.16 High Voltage Unit Removal 1. Remove the Top Cover. (See Section 4.2.11.) 2. Open the vertical transport door. 3. Remove two screws (3504) securing the High Voltage Unit Cover to the printer frame, and remove the cover.

  • Page 118: Front Cover Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.17 Front Cover Removal 4.2.18 Control Panel Removal 1. Remove the Top Cover. (See Section 4.2.11.) 1. Remove the Top Cover. (See Section 4.2.11.) 2. Take out the MP Cassette. 2. Remove the Front Cover. (See Section 4.2.17.) 3.

  • Page 119: Printhead Unit Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.19 Printhead Unit Removal 1. Remove the Rear Cover. (See Section 4.2.6.) 2. Remove the Top Cover. (See Section 4.2.11.) 3. Remove the Front Cover. (See Section 4.2.17.) 4. Remove the following screws and remove the Shield Cover. (See Section 4.2.13.)
  • Page 120 EPSON EPL-N2700 / N2750 Revision B 12. Remove four screws (3501) securing the Left Reinforce Plate to the printer frame and PH Plate and remove the Left Reinforce Plate. 13. Remove four screws (3501) securing the PH Plate from the front and rear sides of the printer frame.

  • Page 121: Power Supply Unit Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.20 Power Supply Unit Removal 8. Release the harness connecting from the Power Supply Unit to the Fuser Unit from the cable clamp attached to the Power Supply Unit. 1. Remove the Rear Cover. (See Section 4.2.6.) 9.

  • Page 122: Fusing Section

    EPSON EPL-N2700 / N2750 Revision B 4.2.21 Fusing Section 4.2.21.1 Fuser Unit Removal 1. Open the vertical transport door. (See Section 4.2.4.) 2. Remove the Front Cover. (See Section 4.2.17.) 3. Disconnect the heater lamp harness from the connector (heater power source) on the front and release the harness from the cable clamp and edge cover which are on the printer frame.

  • Page 123: Heater Lamp Replacement

    EPSON EPL-N2700 / N2750 Revision B 4.2.21.2 Heater Lamp Replacement 4. Remove one screw (1305) securing the Heater Lamp Holder (front) to the Fuser Unit Frame Assembly, and remove the Heater Lamp 1. Remove the Fuser Unit. (See Section 4.2.21.1.) Holder and the Heater Lamp.

  • Page 124: 3Fusingrollerthermistor/Thermostat/Temperaturefuseremoval

    EPSON EPL-N2700 / N2750 Revision B 4.2.21.3 Fusing Roller Thermistor / Thermostat / Temperature Fuse Removal 1. Remove the Fuser Unit. (See Section 4.2.21.1.) 2. Release the joint for the Fuser Unit Cover and the Fusing Roller Heater Lamp Front Cover.
  • Page 125 EPSON EPL-N2700 / N2750 Revision B 9. Remove one screw (1305) securing the Heater Lamp Holder (front) 11. Remove the shoulder screws securing the right and left levers to the to the Fuser Unit Frame Assembly and remove the Heater Lamp front and rear frames in the Fuser Unit, and remove the levers along Holder and Heater Lamp.
  • Page 126 EPSON EPL-N2700 / N2750 Revision B 13. Remove one pressure spring on the front, E-ring (9107), and 16. Remove the Lower Fusing Roller by pulling it out from the gear side. remove the yellow Pressure Lever Assembly. Figure 4-46. Lower Fusing Roller Removal Figure 4-44.

  • Page 127: Upper Paper Separator Finger Removal

    EPSON EPL-N2700 / N2750 Revision B 18. Remove two screws (1305) securing the Fusing Roller Thermostat 4.2.21.4 Upper Paper Separator Finger Removal to the Fuser Unit Frame Assembly and remove the Fusing Roller 1. Remove the Upper Paper Separator Finger Assembly. (See Section Thermistor.

  • Page 128: Lower Paper Separator Finger Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.21.5 Lower Paper Separator Finger Removal 4.2.21.6 Upper Paper Eject Roller Removal 1. Remove the Fuser Unit. (See Section 4.2.21.1.) 1. Remove the Lower Fusing Roller. (See Section 4.2.21.3.) 2. Release the joint for the Fuser Unit Cover and the Fusing Roller 2.

  • Page 129: Lower Paper Eject Roller Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.21.7 Lower Paper Eject Roller Removal 1. Remove the Fuser Unit. (See Section 4.2.21.1.) 2. Remove the Upper Paper Eject Roller. (See Section 4.2.21.6.) 3. Remove one E-ring (9102) securing the Lower Paper Eject Roller to the Fuser Unit Frame Assembly and two torsion springs, and remove the Lower Paper Eject Roller.

  • Page 130: Drive Unit Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.22 Drive Unit Removal 8. Disconnect the fusing roller thermistor harness and the paper eject sensor harness which are connecting to the Fuser Unit Reinforce 1. Separate the printer. (See Section 4.2.6.) Plate from the relay connectors.
  • Page 131 EPSON EPL-N2700 / N2750 Revision B 11. Remove one retaining ring (9302) fixing the bushing to the bracket 15. Inserting a hand from the bottom of the printer, remove one C-clip for the Gear (49T) and remove the bushing. attached to the Transport Transmission Gear, and remove the Transport Transmission Gear and the bushing from the Driver Unit.

  • Page 132: Mp Cassette Paper Take-Up Solenoid (Sl1) Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.22.1 MP Cassette Paper Take-up Solenoid (SL1) 4.2.22.3 MP Cassette Paper Empty Sensor Removal Removal 1. Separate the printer. (See Section 4.2.6.) 1. Separate the printer. (See Section 4.2.6.) 2. Remove one screw (3708) securing the MP Cassette Paper Empty 2.

  • Page 133: Mp Cassette Paper Near Empty Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.22.4 MP Cassette Paper Near Empty Sensor Removal 1. Separate the printer. (See Section 4.2.6.) 2. Remove one screw (3501) securing the bracket for the MP Cassette Paper Near Empty Sensor and remove the MP Cassette Paper Near Empty Sensor along with the bracket.

  • Page 134: Cassette 1 Disassembly

    EPSON EPL-N2700 / N2750 Revision B 4.2.23 Cassette 1 Disassembly C A U T I O N If you have replaced the Paper Take-up Roller, be sure 4.2.23.1 Paper Take-up Roller Removal to perform “LC1 Counter Clear” in the maintenance 1.

  • Page 135: Cassette 1 Paper Empty Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.23.2 Cassette 1 Paper Empty Sensor Removal 4.2.23.3 Cassette 1 Paper Near Empty Sensor Removal 1. Take out the Cassette 1. 1. Take out the Cassette 1. 2. Separate the printer. (See Section 4.2.6.) 2.

  • Page 136: Paper Size (Paper Size Switch) Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.23.4 Paper Size (Paper Size Switch) Sensor Removal 4.2.23.5 Cassette 1 Control Board (PWB-A) Removal 1. Take out the Cassette 1. 1. Take out the Cassette 1. 2. Separate the printer. (See Section 4.2.6.) 2.

  • Page 137: Cassette 1 Paper Take-Up Solenoid Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.23.6 Cassette 1 Paper Take-up Solenoid Removal 1. Take out the Cassette 1. 2. Separate the printer. (See Section 4.2.6.) 3. Remove the tension spring hung to the gear (31T). 4. Remove one screw (3501) securing the Cassette 1 Paper Take-up Solenoid Cover to the bracket and remove the Cassette 1 Paper Take-up Solenoid Cover.

  • Page 138: Cassette 1 Right Door Set Sensor Removal

    EPSON EPL-N2700 / N2750 Revision B 4.2.23.7 Cassette 1 Right Door Set Sensor Removal 11. Remove the harness from the connector on the Cassette 1 Right Door Set Sensor. 1. Take out the Cassette 1. 2. Separate the printer. (See Section 4.2.6.) 3501 3.

  • Page 139: Updating The Firmware

    EPSON EPL-N2700 / N2750 Revision B 4.2.24 Updating the Firmware 6. When the message “OLD: **** NEW:****” appears, press the Enter button. As the message below appears, the firmware update begins. The firmware for this printer is stored in the DIMM on the Main Circuit Board.
  • Page 140 EPSON EPL-N2700 / N2750 Revision B If the Enter button is pressed, the rewriting job continues, but Check sum of the writing data record does not match. stops again with the error. The printer displays the following message: Verify error during updating or erasing “<END : Data.

  • Page 141: Copying The Dimm Module

    EPSON EPL-N2700 / N2750 Revision B 4.2.26 Copying the DIMM Module The firmware can be copied directly from one DIMM module to another. 1. Insert the DIMM containing the old firmware (target) and the one containing the new firmware (muster) to the sockets A and B, respectively.

  • Page 142: Chapter 5 Adjustment

    C H A P T E R ADJUSTMENT...
  • Page 143 EPSON EPL-N2700 / N2750 Revision B This printer requires no adjustment. Adjustment...

  • Page 144: Chapter 6 Maintenance

    C H A P T E R MAINTENANCE...

  • Page 145: Overview

    EPSON EPL-N2700 / N2750 Revision B 6.1 Overview 6.1.2 Replacement of Consumable Items The all consumable items are replaced by the user. This chapter contains the information on how to maintain the printer. The printer does not require any lubrication or adhesion but Table 6-2.

  • Page 146: Maintenance By Servicers

    EPSON EPL-N2700 / N2750 Revision B 6.1.3 Maintenance by Servicers The units listed in the following table are replaced by the servicers. Table 6-3. Maintenance by Servicers Replaced item Replacement cycle Fusing Unit 500,000 sheets Image Transfer Roller Unit 150,000 sheets...

  • Page 147: Chapter 7 Appendix

    C H A P T E R APPENDIX...

  • Page 148: Connector Summary

    EPSON EPL-N2700 / N2750 Revision B 7.1 Connector Summary Table 7-2. Connector Summary - Engine Controller Board (PWB-A) Table 7-1. Connector Summary - C269MAIN Circuit Board (PWB-P) Constituent to which Constituent to which Connector Number of Constituent to which the...
  • Page 149 EPSON EPL-N2700 / N2750 Revision B Table 7-3. Connector Summary - High Voltage Unit Constituent to which Connector Number of Constituent to which the the other end of the number pins connector is connected harness is connected High voltage unit control...

  • Page 150: Component Layout

    EPSON EPL-N2700 / N2750 Revision B 7.2 Component Layout Figure 7-2. Figure 7-1. Component Layout - C269MAIN Board (Soldered side) Component Layout - C269MAIN Board (component side) Appendix Component Layout...

  • Page 151: Exploded Diagrams

    EPSON EPL-N2700 / N2750 Revision B 7.3 Exploded Diagrams 7.3.1 Housing Table 7-5. Parts List - Housing Ref. No. Part Name COVER COVER TOP COVER SEAL COVER COVER COVER REAR COVER COVER SEAL RAIL HANDLE FRONT COVER COVER Appendix Exploded Diagrams...
  • Page 152 EPSON EPL-N2700 / N2750 Revision B 3541 3509 3541 3541 3504 Appendix Exploded Diagrams...

  • Page 153: Frames

    EPSON EPL-N2700 / N2750 Revision B 7.3.2 Frames Table 7-6. Parts List - Frames Ref. No. Part Name Ref. No. Part Name LABEL FRAME LABEL RUBBER FOOT I/C GUIDE ASSY HOLDER PLATE SPRING COLLAR FRAME BRACKET TENSION SPRING HARNESS LEVER...
  • Page 154 EPSON EPL-N2700 / N2750 Revision B 3504 3704 3501 3704 3504 3501 34 32 3708 3504 3708 3504 3504 3504 3501 3504 3501 1603 3505 Appendix Exploded Diagrams...

  • Page 155: Fussing Section (A)

    EPSON EPL-N2700 / N2750 Revision B 7.3.3 Fussing Section (A) Table 7-7. Parts List - Fusing Section (A) Ref. No. Part Name Ref. No. Part Name Ref. No. Part Name COVER SHOULDER SCREW GUIDE PLATE-FNT COVER LEVER REINFORCE PLATE LABEL CAUTION - HOT...
  • Page 156 EPSON EPL-N2700 / N2750 Revision B 3727 3305 3501 9107 9105 4011 9107 3305 3704 3704 3501 1305 3504 9107 3501 3506 Appendix Exploded Diagrams...

  • Page 157: Fusing Section (B)

    EPSON EPL-N2700 / N2750 Revision B 7.3.4 Fusing Section (B) Table 7-8. Parts List - Fusing Section (B) Ref. No. Part Name Ref. No. Part Name SHOULDER SCREW TUBE COLLAR ROLL PRESSURE SPRING TUBE SPACER TUBE BALL BEARING TORSION SPRING...
  • Page 158 EPSON EPL-N2700 / N2750 Revision B 3501 PWB-R 3704 3704 9107 1421 3704 1421 1305 3704 1309 1305 1305 3704 9107 1305 8501 8501 8501 8501 1315 8501 8501 1305 9102 Appendix Exploded Diagrams...

  • Page 159: Transport Section (A)

    EPSON EPL-N2700 / N2750 Revision B 7.3.5 Transport Section (A) Table 7-9. Parts List - Transport Section (A) Ref. No. Part Name Ref. No. Part Name Ref. No. Part Name SCALE TORSION SPRING SHOULDER SCREW REGULATING PLATE HOOK BRACKET REGULATING PLATE...
  • Page 160 EPSON EPL-N2700 / N2750 Revision B 2703 3704 3704 2703 3704 9301 33 32 3704 9303 3704 3708 1305 Appendix Exploded Diagrams...

  • Page 161: Transport Section (B)

    EPSON EPL-N2700 / N2750 Revision B 7.3.6 Transport Section (B) Table 7-10. Parts List - Transport Section (B) Ref. No. Part Name Ref. No. Part Name TERMINAL ACTUATOR TRANSFER ROLLER BRACKET UNIT HOLDER ASSY CONVEYOR ROLLER PW BOARD-R (PWB-R) CONVEYOR ROLLER...
  • Page 162 EPSON EPL-N2700 / N2750 Revision B 9140 3704 9301 9140 3704 9140 3704 PWB-R 3704 9140 9140 3709 Appendix Exploded Diagrams...

  • Page 163: Electrical Components

    EPSON EPL-N2700 / N2750 Revision B 7.3.7 Electrical Components Table 7-11. Parts List - Electric Components Ref. No. Part Name Ref. No. Part Name COVER PWB SUPPORT COVER BRACKET REINFORCE PLATE LABE CAUTION FUSE 3A PW BOARD-A, MAIN FUSE 3.15A (F3)
  • Page 164 EPSON EPL-N2700 / N2750 Revision B 2101 2101 1305 1305 1305 PWB-P 1305 3501 1305 3501 3501 1305 1305 3501 PWB-A 3501 3501 Appendix Exploded Diagrams...

  • Page 165: Paper Take-Up Section

    EPSON EPL-N2700 / N2750 Revision B 7.3.8 Paper Take-up Section Table 7-12. Parts List - Paper Take-up Section Ref. No. Part Name Ref. No. Part Name HARNESS ACTUATOR GUIDE BAR PWB-HV (HV1) SPONGE LABEL HIGH VOLTAGE POLYESTER FILM COVER ASSY...
  • Page 166 EPSON EPL-N2700 / N2750 Revision B 3923 3923 3708 3705 3501 3702 3923 3702 3504 1603 3702 PWB-G 3708 3708 3504 3501 Appendix Exploded Diagrams...

  • Page 167: Drive Section

    EPSON EPL-N2700 / N2750 Revision B 7.3.9 Drive Section Table 7-13. Parts List - Drive Section Ref. No. Part Name Ref. No. Part Name GUIDE HARNESS TORSION SPRING BUSHING BRACKET BRACKET MICRO SWITCH, DOOR HARNESS SIDE (S2) PW BOARD - I, SIZE (PWB-I)
  • Page 168 EPSON EPL-N2700 / N2750 Revision B 3501 3541 3708 3501 3520 3501 1308 3501 3501 3907 1308 3501 PWB-I 9301 3702 9301 9301 3435 3708 3501 4021 1603 3501 1318 1603 3501 3501 3501 3501 9302 Appendix Exploded Diagrams...

  • Page 169: Paper Tray Unit

    EPSON EPL-N2700 / N2750 Revision B 7.3.10 Paper Tray Unit Table 7-14. Parts List - Paper Tray Unit Ref. No. Part Name Ref. No. Part Name STOPPER RING TORSION SPRING SHAFT GEAR 20T PRESSURE SPRING LEVER SEPARATOR REGULATING PLATE PRESSURE SPRING...
  • Page 170 EPSON EPL-N2700 / N2750 Revision B 0510 9112 9112 34 33 3704 9301 3704 3704 3704 Appendix Exploded Diagrams...

  • Page 171: Circuit Diagrams

    EPSON EPL-N2700 / N2750 Revision B 7.4 Circuit Diagrams See the following pages for the circuit diagrams for C269MAIN Board. Appendix Circuit Diagrams...

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