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Epson EPL-N1600 Service Manual

A4 network laser printer
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A4 Network Laser Printer
EPSON EPL-N1600
®
4009770

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Summary of Contents for Epson EPL-N1600

  • Page 1  A4 Network Laser Printer EPSON EPL-N1600 ® 4009770...
  • Page 2 SEIKO EPSON CORPORATION. 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: About This Manual

    It may also provide additional information that is Provides preventive maintenance procedures and the related to a specific subject, or comment on the results lists of Epson-approved lubricants and adhesives achieved through a previous action. required for servicing the product.

  • Page 5: 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.
  • Page 6 Safety Components MECHANICAL COMPONENTS If you service a driving assembly (e.g., gears), first turn off the power The printer is equipped with safety components (e.g., interlock and unplug the power cord. Then manually rotate the assembly. switches, fuses, thermostat) and safety switches for protecting users and service personnel from injury and the equipment from damage.
  • Page 7 Warning/Caution Labels WARNING and CAUTION labels are stuck on dangerous parts in the printer to make you aware of the potential dangers that are present when you are working with those parts. ROS ASSY. The laser beam used in this printer is invisible and it has a narrower frequency band and more coherent phases than any other light (sunlight, electric light).
  • Page 8 FUSER ASSY. To prevent you from becoming injured or burned, do the following before working with a high temperature Assembly (e.g., Fuser Assembly): turn off the printer. Unplug the power cord. Wait until it cools down. The high temperature Assembly is very hot immediately after any printer operations.

  • Page 9: General Cautions

    General Cautions Some materials (e.g., Developer or Fuser Oil) may cause bodily injury. Do not swallow or inhale these materials or allow them to come in contact with the eyes. Help to protect those around you and follow the prohibitions against swallowing or inhaling those materials.
  • Page 10 Revision Status Revision Issued Date Description Rev. 0 August 17, 1998 Preliminary release. (intended for service training purpose only) Rev. A October 30, 1998 First issue.

  • Page 11: Table Of Contents

    E P S O N E P L -N1 6 0 0 Table of Contents Product Description Operating Principles OVERVIEW ....................14 OVERVIEW ....................38 CONSUMABLES AND OPTIONS ............14 Electrophotographic Printing ..............38 Paper Transportation ................40 SPECIFICATIONS..................15 Main Engine Components Function ............
  • Page 12 E P S O N E P L -N1 6 0 0 Control Panel..................106 ROS Assembly ..................146 Cover Assembly MBF.E ................ 107 Mirror Assembly ..................147 Tray Assembly MBF.E................108 Roll Assembly BTR ................148 Sensor Toner ..................149 Cover Assembly,E ..................

  • Page 13: Product Description

         PRODUCT DESCRIPTION...

  • Page 14: Overview

    Product Description 1.1 OVERVIEW 1.1.1 CONSUMABLES AND OPTIONS The following table lists the EPL-N1600’s consumables and supported The EPL-N1600 is the latest in EPSON’s advanced lines of laser options. printers and offering the following features. Table 1-1. Consumables and Options...

  • Page 15: Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.2 SPECIFICATIONS Paper Supply: <Standard> Multi Purpose (MP) Feed Tray (Capacity: 80 sheets) This section describes the basic specifications of the EPL-N1600. Universal Lower Paper Cassette (Capacity: 250 sheets) 1.2.1 ENGINE SPECIFICATIONS <Optional> 500-sheets Lower Paper Cassette Unit...

  • Page 16: Paper Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.2 PAPER SPECIFICATIONS Guaranteed print area: Entire paper area, excluding 4.0 mm from each edge of the paper. Paper sources and size : As shown in the table below. NOTE: In case of duplex printing, the printable area is limited to 6.0 Table 1-3.

  • Page 17: Controller Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.3 CONTROLLER SPECIFICATIONS Prohibited paper types: The following paper types should never be used. Attempts to feed these paper types CPU: RISC-CPU (VR4300 / 150MHz) may result in inferior print quality, paper jams, and damage to the printer.

  • Page 18: Electrical Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.4 ELECTRICAL SPECIFICATIONS Dielectric Strength: Insulation shall not break down when the following voltage is applied between primary Power Requirements: See table below. circuit and chassis for 1 minute: *100V model: AC1000V Table 1-4. Power Supply Specification...

  • Page 19: Environmental Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.7 ENVIRONMENTAL SPECIFICATIONS CONSUMABLES Table 1-7. Environmental Conditions - Consumables MAIN UNIT AND CONSUMABLES Item Conditions Temperature and humidity: See table below. Normal 0 to 35°C (The conditions below are applicable for both Extreme High temperature 35 to 40°C...

  • Page 20: Operating Conditions

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.8 OPERATING CONDITIONS Temperature: 10 to 32°C Humidity: 20 to 80%RH (without condensation) Air Pressure (Altitude): 760hPa or more (below 2500m) Tilt: 5° or less Ambient Illumination: 3000 lux or less (Must avoid direct sunlight.)

  • Page 21: Safety Approval

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.9 SAFETY APPROVAL Others: <Toner> No effect on human health. Safety Regulation (In compliance with OSHA, TSCA, EINECS, Model Applicable Standard woker safety laws and CSCL) 100V Model • UL 1950 <OPC> • CSA 22.2 No.950 No effect on human health.

  • Page 22: Reliability, Durability And Maintenability

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.10 RELIABILITY, DURABILITY AND Print Start Position: Using standard paper from paper tray or MAINTENABILITY cassette; <Main scan direction> MPBF: 120,000 sheets Target position (c) ±2.5mm (Average number of sheets printed between <Subscan direction>...

  • Page 23: External Dimensions And Weight

    EPSON EPL-N1600 Chapter 1 Product Description 1.2.11 EXTERNAL DIMENSIONS AND WEIGHT Dimensions: See table below and illustration on right. Table 1-9. Dimensions Width Depth Height Item (mm) (mm) (mm) EPL-N1600(Main unit) Lower Paper Cassette Unit (C812902) (With main unit) Duplex Unit (C812932)

  • Page 24: Interface Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.3 INTERFACE SPECIFICATIONS Table 1-10. Bidirectional Parallel I/F Pin Assignment The EPL-N1600 supports the following interfaces. IEEE 1284-B Connector Bidirectional parallel I/F (standard) Compatibility Nibble nStrobe HostClk RS-232C serial (standard) In/Out DATA1 - 8...

  • Page 25: Serial Interface

    EPSON EPL-N1600 Chapter 1 Product Description 1.3.2 Serial Interface Table 1-11. Serial I/F (RS-232C) Pin Assignment Type: RS-232C (conforms to EIA) Transmission: Full duplex Signal Description Transmits data. This pin transmits serial data from the printer to the computer. Synchronization: Asynchronous Received data.

  • Page 26: Operating Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.4 OPERATING SPECIFICATIONS LCD PANEL 1-line by 20 column LCD display equipped with backlight, and it is used The control panel of the EPL-N1600 includes a variety of buttons and for displaying printer status and setup menus indicator lamps, together with an LCD.

  • Page 27: Panel Settings

    EPSON EPL-N1600 Chapter 1 Product Description ITEM button BUTTONS Selects the corresponding OneTouch mode option listed above this OnLine button button, or selects the fucntion available within the current menu, Toggles printer ONLINE state on and off. (If printer is in one of the after entering the SelecType mode.

  • Page 28: Panel Settings

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.1 Panel Settings 1.4.1.2 SelecType Mode SeleType mode presents a variety of menus. Table below shows the This section explains the printer's three panel-setting modes. mode's switch operations and available settings. 1.4.1.1 OneTouch Mode Table 1-13.
  • Page 29 EPSON EPL-N1600 Chapter 1 Product Description MENU Button ITEM Button VALUE Button MENU Button ITEM Button VALUE Button Config Menu RITech ON / OFF AUX Menu*2 Buffer Size Normal / Maximum / Minimum Toner Save OFF / ON LJ4 Menu...
  • Page 30 EPSON EPL-N1600 Chapter 1 Product Description NOTE: MENU Button ITEM Button VALUE Button PS Menu*1 Err Sheet OFF / ON Can be selected only if an optional EPSONScript Level2 package MicroGray ON / OFF (C83229*) is installed. Protect Level 1 - 5 Can be selected only when an optional Type-B interface card is installed.

  • Page 31: Printer Status Messages

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.2 Printer Status Messages Message Type Reset to Save Status The table below lists the printer status messages that are displayed on Writing DIMM A the LCD panel. Menus Locked (at panel setting operation)

  • Page 32: Initialization Process

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.3 Initialization Process The following tables shows the process carried out for each of the printer's three initialization types. Table 1-15. Initialization Type Trigger Processing Reset Press "Continue" button • Cancels all data processing and all while holding down completed print jobs.

  • Page 33: Special Functions

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.4 Special Functions Table 1-16. .Special Function Mode/Operation Buttons Result Built-in special fucntion can be selected by turning on the printer while Hex-Dump Mode Form Feed Once this mode is activated, the printer holding down the specific combination of button(s). The table below prints a hex dump of all received codes and data.

  • Page 34: Other Specifications

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.5 OTHER SPECIFICATIONS 1.4.5.2 Program-ROM Specifications The printer's control program is provided on a ROM board which This section presents information related to product distribution and mounts into the ROM-DIMM slot on the main board. The printer will handling.

  • Page 35: Ram Capacity

    EPSON EPL-N1600 Chapter 1 Product Description 1.4.5.3 RAM Capacity If the printer does not have sufficient RAM capacity to complete normal printing, it will display one of the following two error messages. "Insufficient memory" "Mem Overflow" "Need Memory" These messages indicates that the printer does not have enough memory to execute the specified printing.

  • Page 36: Operating Principles

         OPERATING PRINCIPLES...

  • Page 37: Overview

    Operating Principles 2.1 OVERVIEW 2.1.1 Electrophotographic Printing Like other EPSON page printers, the EPL-N1600 also using the This chapter explains the functions and operating principles of engine electrophtographic prinitng system combined with a semi-conductor mechanism and controller of the EPL-N1600.
  • Page 38 EPSON EPL-N1600 Chapter 2 Operating Principles Table 2-1. Electrophotographic Printing Process Step Process Explanation Charging In this process, electric discharge from the BCR (Bias Charge Roll) generates a uniform negative charge on the surface of the OPC (Organic Photconductor) drum located within the Imaging Cartridge.The BCR is a conductive roller positioned in contact with the OPC drum, The HVPS ASSY applies a bias voltage (a negative DC bias voltage superposed on an AC voltage) to the BCR.

  • Page 39: Paper Transportation

    EPSON EPL-N1600 Chapter 2 Operating Principles 2.1.2 Paper Transportation The illustration below is a cut-section view of the engine mechanism and it shows the paper path and the major engine components relating to the paper transportation. Figure 2-2. Engine Components for Paper Transportation...

  • Page 40: Main Engine Components Function

    EPSON EPL-N1600 Chapter 2 Operating Principles 2.1.3 Main Engine Components Function Paper Cassette: Universal paper cassette that can hold six regular sizes of plain paper cut sheets up to 250 This section explains the structure and operation ofeach part of the sheets.
  • Page 41 EPSON EPL-N1600 Chapter 2 Operating Principles Drive ASSY. : This unit distributes a drive that transmitted from PAPER TRANSPORTATION I the main motor, to Feed Rolls (Roll Assembly Feed and Roll Assembly MBF), Turn Rolls (Roll Assembly Turn), and also to the optional units...
  • Page 42 EPSON EPL-N1600 Chapter 2 Operating Principles Chute Exchange: Switches the paper path between the exit to the PAPER TRANSPORTATION I REAR Face Down Delivery Tray on the top of the Cover Assembly Exit and the exit to the optional Duplex Unit or Face Up Catch Tray.
  • Page 43 EPSON EPL-N1600 Chapter 2 Operating Principles Lever Jam Clear: This lever is pressed down by the Cover PAPER TRANSPORTATION II (1) Assembly Exit and presses the Roll Pinch Pre- Registration against the Roll Assembly Turn. When the Cover Assembly Exit is open, the Lever Jam Clear is released and releases the Roll Pinch Pre-Registration.
  • Page 44 EPSON EPL-N1600 Chapter 2 Operating Principles Solenoid MBF and Gear MBF: PAPER TRANSPORTATION II (2) Control the start and stop of the rotation of the Roll Assembly MBF. When the Solenoid MBF is actuated, the MBF Gear is unlatched and engages with the driving gear.
  • Page 45 EPSON EPL-N1600 Chapter 2 Operating Principles Sensor Assembly Photo Exit and Actuator-Exit: FUSING AND PAPER EXIT Detect when paper passes the position just after the Fuser. Roll Pressure: A roll with sponge rubber attached around a metal shaft. The Roll Pressure is pressed up by the springs and applies pressure to the paper passing between itself and the Roll Fuser.
  • Page 46 EPSON EPL-N1600 Chapter 2 Operating Principles Thermostat: Connected in series with the Heater Lamp. The Thermostat functions as the second-stage overheat protection. If the first stage fails to prevent a Fuser overheat, the Thermostat opens the power supply circuit to the Heater Lamp.
  • Page 47 EPSON EPL-N1600 Chapter 2 Operating Principles ROS ASSY: The ROS (Raster Output Scanner) Assembly XEROGRAPHIC MODULES scans a laser beam on the drum surface. The ROS Assembly consists of two major components: PWBA LD and Scanner Assembly. Basic Operation: The Laser Diode (LD) of the PWBA LD emits laser light.
  • Page 48 EPSON EPL-N1600 Chapter 2 Operating Principles which is generated by converting the current Exit is open or the Mirror Assembly is removed, flowing through the monitoring Photodiode (PD) the Shutter covers the Mirror M1 and lens of the integrated in the LD into an analog output SOS Sensor to prevent them from collecting voltage by means of a resistor.
  • Page 49 EPSON EPL-N1600 Chapter 2 Operating Principles BTR: The BTR (Bias Transfer Roll) is in contact with the Drum and rotates along with the Drum being driven by the Drum Gear. The BTR applies a positive charge to the back side of the paper when the paper travels between the BTR and the Drum.
  • Page 51 EPSON EPL-N1600 Chapter 2 Operating Principles Drive ASSY. Main: Includes the Motor Assembly Main (Main Motor) DRIVE MODULES and the Gear Cluster. The Main Motor generates the drive power, and the Gear Cluster distributes the drive power to the Roll Assembly Registration, Drum and BTR, and Drive Assembly-F/P.
  • Page 52 EPSON EPL-N1600 Chapter 2 Operating Principles Fan IOT: Expels the air inside the printer and introduces ELECTRICAL MODULES fresh air into the printer to prevent an excessive rise of the inside temperature. HPS: Has the Main Power Switch, Interlock Switch,...
  • Page 53 EPSON EPL-N1600 Chapter 2 Operating Principles Actuator Assembly Link Interlock Switch, and Link Interlock Switch: FRAME When the Cover Assembly Exit is closed, a molded projection of the Cover Assembly Exit presses down the Actuator Assembly Link Interlock Switch, which in turn press the Link Interlock Switch to the Interlock Switch.

  • Page 54: Main Control Circuit

    EPSON EPL-N1600 Chapter 2 Operating Principles 2.1.4 Main Control Circuit Table 2-2. C258MAIN BOARD - Main Control Circuit Component Location Operation The main control circuit of the EPL-N1600 is the C258MAIN Board and CPU (VR4310) A RISC CPU running at 150MHz. Controls it consists of two sections: the main control circuitry and the engine the board’s main control section.

  • Page 55: Troubleshooting

         TROUBLESHOOTING...

  • Page 56: Overview

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.1 OVERVIEW Table 3-1. Service-Call Errors Error Error Type Code This section describes the possible steps to troubleshoot and repair the “e” “ffff” Description printer. Due to a complexity of the laser printer, most effective approch 0003 Fusing ASSY.
  • Page 57 EPSON EPL-N1600 Chapter 3 Troubleshooting Error Error Type Code “e” “ffff” Description 0800 IPL Error (controller failure) (Controller) 1000 Standard RAM Error (no RAM, etc.) 1001 Standard RAM Error (no minimum stack area, etc.) 1002 Standard RAM Error (less than standard size, etc.)

  • Page 58: Printer Messages

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.1.2 Printer Messages Priority Message Type Mem Overflow Error The LCD panel of the control panel unit is used to display various printer Duplex Mem Overflow Error status and error condition. There are three types of message displayed...

  • Page 59: Status Messages

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.1.2.1 Status Messages Description Action Writing DIMM A The table below shows the Status message displayed by the printer and Online: The printer is writing data to the *Do not remove the module or the meaning of each message.

  • Page 60: Error Messages

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.1.2.2 Error Messages Description Action Exiting Paper Jam The table below lists the error messages and an operation to be Onlin:OFF A paper jam has occured at the Open the top cover and remove performed. When any error state is detected by the printer, the Online Fusing process.
  • Page 61 EPSON EPL-N1600 Chapter 3 Troubleshooting Description Action Description Action Jam in Duplex Cover Paper Out sssss tttt Online: OFF A paper jam has occured in a Open the Duplex Unit and Online: OFF This error occurs when: Set specified size of paper in the rear cover of the Duplex unit.
  • Page 62 EPSON EPL-N1600 Chapter 3 Troubleshooting Description Action Description Action Print Overrun Mem Overflow Online: OFF Due to complexity of print job 1. If “Auto Cont=OFF”: Online: OFF Memory capacity become 1. If “Auto Cont=OFF”: data, the printer is unable to...
  • Page 63 EPSON EPL-N1600 Chapter 3 Troubleshooting Description Action Duplex Mem Overflow Online: OFF The available memory is 1. If “Auto Cont=OFF”: insufficient to process the data Continue: Blink The error can be cancelled by for second face of duplex either: printing.

  • Page 64: Warning Messages

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.1.2.3 Warning Messages Description Action Online: The printer performs memory Press Continue button to cancel The table below lists the warning messages. The Warning message is compression/expansion warning or perform Reset or Continue: only displayed on the LCD panel and the state is not affect the printer’ s...

  • Page 65: Troubleshooting

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2 Troubleshooting 3.2.1 Troubleshooting with Error Messages 1.1 SERVICE REQ E0008 The basic troubleshooting is divided into three catogories and the procdures to follow for proceeding the troubleshooting is outlined in the Read or write error is occured with the EEPROM on the Engine control flowchart shown below.
  • Page 66 EPSON EPL-N1600 Chapter 3 Troubleshooting 1.2 SERVICE REQ E0004 Step Actions and Questions The ROS (Raster Output Scanner) Assy. is defective. +5 VDC POWER SUPPLY Replace the Replace the C258MAIN. HPS. 1. Remove the Cover Side, and then Step Actions and Questions C258MAIN board.
  • Page 67 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions 1.3 SERVICE REQ E0003 HEAT LAMP Go to step 4. Replace the Heater Lamp. 1. Remove the Heater Lamp. The Fuser Assy. is defective. 2. Check the continuity between the two...
  • Page 68 EPSON EPL-N1600 Chapter 3 Troubleshooting 1.4 SERVICE REQ E0005 Fan IOT unit or Duplex Unit Fan is in trouble. Step Actions and Questions SUSPECT COMPONENTS The following components are associated with this specific problem. One or more of these components may have failed partially or completely.
  • Page 69 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions 1.5 ERROR MESSAGE “PRINTER OPEN” INTERLOCK SWITCH ACTUATOR Go to step 2. Replace the TAB ON COVER ASSEMBLY EXIT Cover Check if the above error displayed even if the Cover Assy. Exit is Assembly Exit.
  • Page 70 EPSON EPL-N1600 Chapter 3 Troubleshooting 1.6 ERROR MESSAGE “EXITING PAPER JAM” 1.7 ERROR MESSAGE “PAPER JAM” Check if this error message appears even if no paper Jam in the paper Check if this message appears even if no paper jam over the Sensor exit section has been occured.
  • Page 71 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions Step Actions and Questions PAPER SIZE AND WEIGHT Go to step 5. Use paper within ROLL FUSER Go to step 12. Replace the the specification. Fuser Assy. Are the size and weight of the paper 1.
  • Page 72 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions 1.8 ERROR MESSAGE “INSERT IMAGING CRTG” Reseat the HPS to make sure that the Go to step 3. Problem conductor strips for applying the solved. Check if this error message is displayed even if the imaging cartridge is voltages of the HPS to the BCR, already installed in the printer.
  • Page 73 EPSON EPL-N1600 Chapter 3 Troubleshooting 1.9 ERROR MESSAGE “INSERT LC1” This error message is displayed when the printer detects that the upper Paper Cassette is not in place. If this error message is displayed though the upper Paper Cassette is installed, locate and eliminate sources of the problem following the procedure below.

  • Page 74: Troubleshooting With Printer Operation

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2.2 Troubleshooting with Printer Operation Step Actions and Questions +24VDC POWER SUPPLY Go to step 5. Replace the HPS. 2.1 PRINTER DOES NOT OPERATE PROPERLY 1. Slide the PWBA Hotaru out about an inch so it disconnects from the HPS.
  • Page 75 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions Step Actions and Questions Go to step 8 Replace HPS. DRIVE ASSEMBLY MAIN Go to step 10. Replace the Drive Assembly 1. Reconnect J27 of the Main Motor to 1. Remove Cover Assembly Main.
  • Page 76 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions SOS ASSEMBLY Go to step 12. Replace the Mirror 1. Reconnect J22 to CN222 of the Assembly. C258MAIN. 2. Check the voltages between: CN231-A10 and FG CN231-A11 and FG CN231-B11 and FG Is there +5VDC between CN231 and 1.
  • Page 77 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions Step Actions and Questions SENSOR ASSEMBLY-SIZE 1 Go to step 14. Replace the SENSOR PHOTO AND SENSOR Check for other Replace the Sensor ASSEMBLY PHOTO EXIT wirings. Sensor Photo 1. Reconnect J24 to CN224 of the...
  • Page 78 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions 2.2 ABNORMAL PRINT OPERAITON Does the printer still exhibit erratic Go to step 5. Problem Step Actions and Questions operation? solved. SUSPECT COMPONENTS Replace the C258MAIN. Go to step 6. Problem The following components are solved.
  • Page 79 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Actions and Questions 2.3 ELECTRICAL NOISE PLATE CONTACTS Go to step 5. Repair the Step Actions and Questions damaged Plate Inspect Plate-Heat Roll and Plate Contact. SUSPECT COMPONENTS Contacts RTN, CR, BTR, DB, and DTS.

  • Page 80: Troubleshooting With Print Image Quality

    EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2.3 Troubleshooting with Print Image Quality Step Action and Question This section describes the checkpoints for troubleshooting the printer by Print test image. Go to Step 2. Go to Step 3. referring the print image quality.
  • Page 81 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Action and Question IMAGING CARTRIDGE Problem solved. Go to Step 9. Install a new Imaging Cartridge. Is the print image quality normal? HPS OUTPUT VOLTAGE TR TO Problem solved. Go to Step 9. 1. Reform the Plate Contact BTR so it makes better contact with the HPS.
  • Page 82 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2 BLANK PRINT (NO IMAGE) Problem Suspect Components The entire page is blank. The following components are assosiated with Step Action and Question this specific problem. One or more of these Print test image. Go to Step 2.
  • Page 83 EPSON EPL-N1600 Chapter 3 Troubleshooting Step Action and Question HPS OUTPUT VOLTAGE TR TO Problem solved. Go to Step 9. 1. Reform the Plate Contact BTR so it makes better contact with the HPS. 2. Print test image. Is the print image quality normal? Problem solved.
  • Page 84 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.3 BLACK PRINT Problem Suspect Components The entire page is black. The following components are assosiated with Step Action and Question this specific problem. One or more of these Print test image. Go to Step 2.
  • Page 85 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.4 VERTICAL WHITE BANDING Step Action and Question Problem Suspect Components PAPER CONDITIONS Replace with dry Go to Step 2. There are areas of the image that The following components are assosiated with paper. Is the paper damp? are extrreamly light or missig this specific problem.
  • Page 86 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.5 HORIZONTAL WHITE BANDING Step Action and Question Problem Suspect Components PAPER CONDITIONS Replace with Go to Step 2. There are areas of the image that The following components are assosiated with new, dry paper.
  • Page 87 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.6 VERTICAL BLACK STREAKS Step Action and Question Problem Suspect Components PAPER PATH Go to Step 2. Clean There are black lines runs The following components are assosiated with contamination Inspect the entire paper path for any vertically along the paper feeding this specific problem.
  • Page 88 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.7 HORIZONTAL BLACK STREAKS Step Action and Question Problem Suspect Components IMAGING CARTRIDGE Problem solved. Go to Step 2. There are areas of the image that The following components are assosiated with Install a new Imaging Cartridge.
  • Page 89 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.8 WHITE SPOT Step Action and Question Problem Suspect Components PAPER CONDITIONS Replace with a Go to Step 2. There are areas of the image that The following components are assosiated with new, dry paper.
  • Page 90 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.9 BLACK SPOT Step Action and Question Problem Suspect Components IMAGING CARTRIDGE Problem solved. Go to Step 2. There are spots of toner randomly The following components are assosiated with Install a new Imaging Cartridge.
  • Page 91 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.10 GHOST PRINT Step Action and Question Problem Suspect Components REPETITIVE PRINTING Go to Step 2. Go to Step 3. There are ghost image appeared The following components are assosiated with Inspect the ghost image.
  • Page 92 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.11 DIRTY BACKBROUND Step Action and Question Problem Suspect Components IMAGING CARTRIDGE Problem solved. Go to Step 2. There is toner contamination on The following components are assosiated with Install a new Imaging Cartridge. all or part of the page. The this specific problem.
  • Page 93 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.12 SKEWED PRINTING Step Action and Question Problem Suspect Components PAPER FEED Go to Step 2. Reload the The image is not parallel with the The following components are assosiated with paper and re- • Are the paper cassettes installed paper.
  • Page 94 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.13 DAMAGED PRINTING Step Action and Question Problem Suspect Components PAPER FEED Go to Step 2. Reload the The printed paper is either The following components are assosiated with paper and re- • Are the paper cassettes installed wrinkled, creased, or torn.
  • Page 95 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.14 UNFUSED IMAGE Step Action and Question Problem Suspect Components PAPER CONDITION Replace with a Go to Step 2. The image is not fully fused to the The following components are assosiated with new, dry paper.
  • Page 96 EPSON EPL-N1600 Chapter 3 Troubleshooting 3.15 MISREGISTRATION Step Action and Question Problem Suspect Components PAPER CONDITION Replace with Go to Step 2. The printed is not centered on the The following components are assosiated with new, dry paper. • Is the paper damp? page or is bleeding off the page.
  • Page 97      DISASSEMBLY AND ASSEMBLY...

  • Page 98: Disassembly And Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.1 OVERVIEW Be careful to avoid injury from frame edges and other This chapter explains how to disassemble the printer and its various sharp or protruding areas of the printer. mechanisms. Except where otherwise indicated, the reassembly Do not disassemble the Imaging Cartridge.

  • Page 99: Tools

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.1.2 Tools 4.1.4 Special Operaiton for Service The following table lists the tools you need to disassemble and The table below lists the special operation that can be activated by reassemble the printer.
  • Page 100 EPSON EPL-N1600 Chapter 4 Disassembly and Assembly Item Button(s) Description Item Button(s) Description Force-erase the • Alt Erase all data in the Flash-ROM module installed in slot- Copy ROM Module • Online Copy the contents of ROM module installed in slot-B to a Flash-ROM module A.

  • Page 101: Disassembly And Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2 DISASSEMBLY AND ASSEMBLY This section explains how to disassemble the printer to access its main components. Except where otherwise indicated, the reassembly procedure is the reverse of the disassembly procedure. The following flowchart show the disassembly flow.

  • Page 102: Cover Side,E

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.1 Cover Side,E 1. Remove the upper Paper Cassette. 2. Tilt back the Duplex Vertical Unit, if the optional Duplex Unit is installed. 3. Press the release button and open the Cover Exit,E.

  • Page 103: Shield Assembly Top.st

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.2 Shield Assembly Top.ST 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the four screws that secure the Shield Assembly Top.ST to the Cover Side. 3. Remove the Shield Assembly Top. Figure 4-2. “Shield Assembly Top.ST” Removal Rev.

  • Page 104: Control Panel

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.3 Control Panel 1. Remove the Cover Side,E. (Section 4.2.1) 2. Disconnect CN9 from the C258MAIN Board. 3. Remove the screw that secures the Control Assembly Panel (E) to the Cover Assembly,E. 4. Remove the Control Panel, passing the CN9 harness out of the Shield Assembly Bottom (E) through the cutout in the top side of the Shield Assembly Bottom (E).

  • Page 105: Cover Assembly Mbf.e

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.4 Cover Assembly MBF.E 1. Open the Cover Assembly MBF.E. (Section 4.2.1) 2. Press out on the left pivot of the Frame MBF until the left pivot bracket slides free of the pivot.

  • Page 106: Tray Assembly Mbf.e

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.5 Tray Assembly MBF.E 1. Remove the Cover Assembly MBF.E. (Section 4.2.4) 2. Open the Tray Assembly MBF.E. 3. Press out on the left side of the Frame MBF and free the left side of the Tray Assembly MBF.

  • Page 107: Cover Assembly,E

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3 Cover Assembly,E 1. Remove the Duplex Unit if installed. 2. Remove the Cover Side,E. (Section 4.2.1) 3. Remove the Control Assembly Panel (E). (Section 4.2.3) 4. Remove the Cover Assembly MBF.E. (Section 4.2.4) 5.

  • Page 108: Cover Assembly Exit,E

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.1 Cover Assembly Exit,E 1. Remove the Cover Side, E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E. (Section 4.2.5) 5.

  • Page 109: Sensor Assembly-Size 1,E

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.2 Sensor Assembly-Size 1,E 1. Remove the Cover Side, E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E. (Section 4.2.5) 5.

  • Page 110: Drive Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.3 Drive Assembly 18. Remove the four screws that secure the Drive Assembly to the Frame. 1. Remove the Cover Side,E.(Section 4.2.1) 19. Remove the Drive Assembly off of the Frame. 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 20.

  • Page 111: Solenoid Feed

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.4 Solenoid Feed 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 112: Chute Inlet Registration

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.5 Chute Inlet Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 113: Roll Assembly Registration

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.6 Roll Assembly Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 114: Roll Assembly Feed

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.7 Roll Assembly Feed 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 115: Actuator No Paper

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.8 Actuator No Paper 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 116: Roll Assembly Turn

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.9 Roll Assembly Turn 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 117: Actuators Pre-Registration A And B

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.10 Actuators Pre-Registration A and B 19. Pull the right end (spring-loaded end) of Actuator Pre-Registration B (PL3.1.19: one with the longer shaft) out of the retaining opening in 1. Remove the Cover Side,E. (Section 4.2.1) the right mounting post, and slide the Actuator off of the hole in the left mounting post.

  • Page 118: Kit Chute Registration Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.11 Kit Chute Registration Assembly 19. Press together the hook of the Chute Rib and push up the Rib upward (to the front). 1. Remove the Cover Side,E. (Section 4.2.1) 20. Remove the five screws that secure the Kit Chute Registration 2.

  • Page 119: Actuator Registration

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.12 Actuator Registration 19. Pull the Actuator Registration, along with the Spring Sensor Registration, out of the retaining holes in the mounting posts on the 1. Remove the Cover Side,E. (Section 4.2.1) Printer Frame.

  • Page 120: Link Interlock Switch And Cam Interlock Switch

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.13 Link Interlock Switch and Cam Interlock 18. Remove the Kit Chute Registration Assembly. (Section 4.3.11) Switch 19. Pull the Cam Interlock Switch off of the retaining slots. 1. Remove the Cover Side,E. (Section 4.2.1) 20.

  • Page 121: Chute Exchange

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.14 Chute Exchange 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 122: Actuator Exit-2/L, -2/S And Sensor Photo

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.15 Actuator Exit-2/L, -2/S and Sensor Photo 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 123: Solenoid Exchange

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.16 Solenoid Exchange 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 124: Gear Duplex Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.17 Gear Duplex Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 125: Roll Assembly Pinch Pre-Registration

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.18 Roll Assembly Pinch Pre-Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 126: Frame Assembly Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.19 Frame Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 127: Solenoid Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.20 Solenoid MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 128: Roll Assembly Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.21 Roll Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 129: Holder Gear Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.22 Holder Gear MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 130: Gear Assembly Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.23 Gear Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 131: Plate Assembly Bottom Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.24 Plate Assembly Bottom MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 132: Sensor No Paper Mbf

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.25 Sensor No Paper MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 133: Pad Assembly Retard And Stopper Paper

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.26 Pad Assembly Retard and Stopper Paper 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 134: Roll Assembly Exit Out

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.27 Roll Assembly Exit Out 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 135: Roll-Press And Bearing-Pressure Roll

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.28 Roll-Press and Bearing-Pressure Roll 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 136: Actuator-Exit

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.29 Actuator-Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6.

  • Page 137: Sensor Assembly Photo Exit

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.30 Sensor Assembly Photo Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 138: Fuser Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.31 Fuser Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 139: Sensor Assembly Temperature

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.32 Sensor Assembly Temperature 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 140: Thermostat And Fuse

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.33 Thermostat and Fuse 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 141: Roll Assembly Exit

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.34 Roll Assembly Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 142: Roll-Pinch

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.35 Roll-Pinch 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6.

  • Page 143: Roll Fuser And Heater Quartz

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.36 Roll Fuser and Heater Quartz 13. Press the Ring-Rollers out of the grooves and slide them off of the Roll Fuser. 1. Remove the Cover Side,E. (Section 4.2.1) 14. Slide the Bearings Heat Roll off of the Roll Fuser.

  • Page 144: Ros Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.37 ROS Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 145: Mirror Assembly

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.38 Mirror Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 146: Roll Assembly Btr

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.39 Roll Assembly BTR 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 147: Sensor Toner

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.40 Sensor Toner 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 148: Switch Assembly 5V Interlock

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.41 Switch Assembly 5V Interlock 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 149: Drive Assembly-F/P

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.42 Drive Assembly-F/P 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 150: Drive Assembly Main

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.43 Drive Assembly Main 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 151: Shield Assembly Bottom (E)

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.44 Shield Assembly Bottom (E) 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 152: Fan Iot

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.45 Fan IOT 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 153: Chassis Assembly Ps

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.46 Chassis Assembly PS 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 154: Hps

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.47 HPS 14. Slide the HPS to the right to shift the left end from under the retaining tabs on the left end of the Chassis Assembly PS, and then lift it off of the Chassis.

  • Page 155: Pwba Hotaru

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.48 PWBA Hotaru 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 156: C258Main Removal

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.49 C258MAIN Removal C258MAIN board is electrostatic discharge (ESD) sensitive and must be handled with care to protect it against ESD. Touch exposed metal of the frame or wear properly grounded wrist strap before working with the board to let the electrostatic charge in your body flow off.

  • Page 157: Latch R And Latch L

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.50 Latch R and Latch L 1. Remove the screw that secures the Latch L to the Shaft Latch. 2. Pull the Latch L off of the Shaft Latch. 3. Remove the screw that secures the Latch R to the Shaft Latch.

  • Page 158: Shaft Latch

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.51 Shaft Latch 1. Remove Latch R and Latch L. 2. Slide the Shaft Latch to the right (to the fan-side) out of the hole in the Printer Frame. Figure 4-57. “Shaft Latch” Removal Rev.

  • Page 159: Guide R (A) And (B)

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.52 Guide R (A) and (B) 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 160: Guide Cst R

    EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.53 Guide CST R 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5.

  • Page 161: Adjustment

         ADJUSTMENT...
  • Page 162 EPSON EPL-N1600 Chapter 5 Adjustment No specific adjustment required on this printer after repair. Rev. A...

  • Page 163: Maintenance

         MAINTENANCE...

  • Page 164: Overview

    EPSON EPL-N1600 Chapter 6 Maintenance 6.1 OVERVIEW 6.1.2 Service Maintenance The following item requires a maintenance by the service engineer. This chapter describes the maintenance required by the printer. 6.1.1 User Maintenance Item When Required Fuser Assy. • Clean the Assy. (Roll Fuser and Roll Press) when The maintenance item listed in table below should be perrformed by the abnormal image quality is observed.

  • Page 165: Appendix

         APPENDIX...

  • Page 166: Electrical Connection

    EPSON EPL-N1600 Chapter 7 Appendix 7.1 Electrical Connection This section provides a supplemental information about the electrical connetion in the EPL-N1600. 7.1.1 Connectors - C258MAIN The figure below shows the connectors on the C258MAIN Board. Figure 7-1. Connectors - C258MAIN...

  • Page 167: Master Wiring Diagram

    EPSON EPL-N1600 Chapter 7 Appendix 7.1.2 Master Wiring Diagram The Master Wiring Diagram, is divided into the following eight block diagrams. Each block diagram shows the signal names, pin numbers, and other information in detail. HPS - Controller HPS - Imaging Cartridge / Toner Sensor...

  • Page 168: Wiring Diagram Notation

    EPSON EPL-N1600 Chapter 7 Appendix 7.1.2.1 Wiring Diagram Notation The meaning of the symbols used in the wiring diagram is as listed in table below. Table 7-1. Wiring Diagram Notation Symbols Description A plug A jack Pin YY and Jack YY of connectors Pxx and Jxx.
  • Page 169 EPSON EPL-N1600 Chapter 7 Appendix Table 7-2. Signal Names / HPS - Controller HPS - CONTROLLER Signal Name Description /HEAT Control signal which switches on and off the Heater Quartz. The Heater Quartz is switched on when this signal is Low and off when High.
  • Page 170 EPSON EPL-N1600 Chapter 7 Appendix Table 7-3. Pin Assignment / HPS - Controller Signal Name Description /TR+ Control signal which switches on and off the Transfer Bias Signal Direction voltage applied to the BTR. The Transfer Bias voltage is not...
  • Page 171 EPSON EPL-N1600 Chapter 7 Appendix Table 7-4. Signal Names / HPS - Imaging Cartridge HPS - IMAGING CARTRIDGE / TONER SENSOR Signal Name Description Output Voltage DC/AC output to the Magnet Roll 315 V, AC: 1.8 kVp-p, 3.0 kHz DC/AC output to the BCR...
  • Page 172 EPSON EPL-N1600 Chapter 7 Appendix Table 7-6. Signal Names / Controller - ROS Assy., SOS Sensor CONTROLLER ROS ASSY., SOS SENSOR, AND SWITCH ASSY. 5V INTERLOCK Signal Name Description /PDATA Print Image Data (Low = Black dot:, High = White dot)
  • Page 173 EPSON EPL-N1600 Chapter 7 Appendix Table 7-8. ROS Motor Specification Item Description Motor Type DC Brushless motor for dividing thhe Polygon Mirror with a PLL control circuit Number of poles/ 3-phase 12 poles / Clockwise (When viewed from the Mirror side)
  • Page 174 EPSON EPL-N1600 Chapter 7 Appendix Table 7-14. Pin Assignment / Controller Motor Assy. Main CONTROLLER MOTOR ASSY MAIN, AND SOLENOID EXCHANGE Signal Direction MM: Main Motor High CN227 Signal Name M: Controller Trigger Level Level Level Level Level Level Table 7-15. Siganl Names / Controller - Solenoid Exchange...
  • Page 175 EPSON EPL-N1600 Chapter 7 Appendix Table 7-17. Signal Names / Sensor Exit, Sensor Photo, Thermistor CONTROLLER SENSOR EXIT, SENSOR PHOTO, AND THERMISTOR Signal Name Description /EXIT Signal from the Sensor Exit. This signal is Low when the Sensor Assembly Photo Exit is actuated by paper, and High when the Sensor Assembly Photo Exit is deactuated.
  • Page 176 EPSON EPL-N1600 Chapter 7 Appendix Table 7-22. Signal names / Controller - PWB Assy. Size-1 CONTROLLER PWB ASSEMBLY-SIZE 1 Signal Name Description /SUB RDY Signal which indicates the status of the Duplex Unit. This signal is Low when the Duplex Unit is ready and High when not ready.
  • Page 177 EPSON EPL-N1600 Chapter 7 Appendix Table 7-23. Pin Assignment / Controller - PWB Assy. Size-1 Table 7-26. Pin Assignment / PWB Assy. Size-1 - Sensor No Paper MBF Signal Direction M: Controller Signal Direction P: PWB Assem- High CN224 P231...
  • Page 178 EPSON EPL-N1600 Chapter 7 Appendix Table 7-29. SIZE Signal Voltage Signal Paper Size Switch Voltage Paper Size (VDC) Lower Paper No cassette 0.00 Cassette Unit B5 (SEF) *2 1.20 (Standard) Executive 2.50 Letter (SEF) 2.02 A4 (SEF) 2.72 Legal (13”) 2.26...

  • Page 179: Exploded Diagram

    EPSON EPL-N1600 Chapter 7 Appendix 7.2 Exploded Diagram 16. Control Assembly Panel (E) $ 17. Face Up Catch Tray (OPTION) $ This section provides exploded diagram of each part of engine mechanism of the EPL-N1600. 18. -- 19. -- COVERS 20.
  • Page 181 EPSON EPL-N1600 Chapter 7 Appendix PAPER CASETTE 1. Cassette Epson 2. Sensor Assembly-Size 1.E (with 3~6) $ 3. Plate Earth 4. PWB Assembly-Size 1.E 5. Harness Assembly Option 6. Spring Size 7. Harness Solenoid 8. Harness Assembly MBF Rev. A...
  • Page 183 EPSON EPL-N1600 Chapter 7 Appendix 19. Actuator Pre-RegistrationB PAPER TRANSPORTATION (I) 20. Bearing Pre-Registration 1. -- 21. Actuator Pre-RegistrationA 2. -- 22. Link Interlock Switch 3. Drive Assembly (with 4~5) $ 23. Cam Interlock Switch 4. Solenoid Feed $ 24. Spring Sensor Registration 5.
  • Page 185 EPSON EPL-N1600 Chapter 7 Appendix PAPER TRANSPORTATION (I) REAR 1. Chute Exchange 2. Cap Chute Exchange 3. Plate Base Actuator 4. Spring Exit-2/L 5. Actuator Exit-2/L 6. Spring Exit-2/S 7. Actuator Exit-2/S 8. Sensor Photo $ 9. Solenoid Exchange $ 10.
  • Page 187 EPSON EPL-N1600 Chapter 7 Appendix PAPER TRANSPORTATION (II) 1. Reference only (Exploded on PL4.2) 2. Roll Assembly Pinch Pre-Registration (with 3, 4) 3. Roll Pinch Pre-Registration 4. Holder Pinch Pre-Registration 5. Lever Jam Clear $ 6. Spring-Hold Rod 7. Stopper Rod 8.
  • Page 189 EPSON EPL-N1600 Chapter 7 Appendix 19. Spring Retard 20. Pad Assembly Retard 1. Frame Assembly MBF (with 2~24) $ 21. Solenoid MBF $ 2. Frame MBF 22. Stopper Paper 3. Plate Assembly Bottom MBF 23. Kit Retard (with 19 and 20) $ 4.
  • Page 191 EPSON EPL-N1600 Chapter 7 Appendix 19. Sensor Assembly Photo Exit $ FUSING & PAPER EXIT 20. Kit Pressure Roll (with 10~16) $ 1. Reference only (Exploded on PL5.2) 21. Kit Exit Roll (with 4~7) $ 2. Eliminator 3. Chute Exit Pressure Roll 4.
  • Page 193 EPSON EPL-N1600 Chapter 7 Appendix 19. Roll-Pinch FUSER UNIT 20. Spring Pinch 1. Fuser Assembly (with 2~23,25~28) $ 21. Roll Fuser 2. Frame-Fuser 22. Gear Heat Roll 3. Plate-AC B 23. Connector Panel Header M12 4. Plate Fuse 24. Harness Assembly STS-HE 5.
  • Page 195 EPSON EPL-N1600 Chapter 7 Appendix 19. Switch Assembly 5V Interlock $ XEROGRAPHIC MODULE 1. Mirror Assembly (with 2) $ 2. Shutter Mirror 3. ROS Assembly $ 4. Cartridge Assembly EP. (CRU) 5. Sensor Assembly Toner (OPTION) (with 6~7) 6. Harness Assembly Toner Sensor (OPTION) 7.
  • Page 197 EPSON EPL-N1600 Chapter 7 Appendix DRIVE MODULE 1. Drive Assembly Main $ 2. Gear 11 3. Gear 10 4. Gear 13 5. Gear 12 6. Drive Assembly-F/P $ Rev. A...
  • Page 199 EPSON EPL-N1600 Chapter 7 Appendix ELECTRICAL MODULE 1. Chassis Assembly PS (with 2~4) 2. HPS $ 3. Sheet PS 4. Chassis PS 5. Harness Exit-HE $ 6. Fan IOT $ 7. Harness Assembly ROS-HE 8. Harness Assembly SOS-HE 9. Shield Assembly Bottom (E) 10.
  • Page 201 EPSON EPL-N1600 Chapter 7 Appendix 1. -- 2. Holder Electrical 3. -- 4. PWBA Hotaru $ Rev. A...
  • Page 203 EPSON EPL-N1600 Chapter 7 Appendix CONTROLLER 1. Controller Assembly (C258MAIN BOARD) Rev. A...
  • Page 205 EPSON EPL-N1600 Chapter 7 Appendix 28. Frame Main FRAME 29. -- 1. Guide CST R 30. -- 2. Plate Frame Upper 31. -- 3. Spring Latch 32. -- 4. Latch R 33. Plate Contact FG 5. Shaft Latch 34. Resistor Baffle 6.

  • Page 207: Circuit Schematics

    EPSON EPL-N1600 Chapter 7 Appendix 7.3 Circuit Schematics The circuit schematics of circuit boards listed below are shown in following pages. C258MAIN BOARD (Main controller) C258PROG BOARD (ROM-DIMM Board) Rev. A...

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