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Epson EPL-N1600 Option Service Manual

Duplex unit
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EPSON EPL-N1600 Option

Duplex Unit

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Summary of Contents for Epson EPL-N1600 Option

  • Page 1: Duplex Unit

     EPSON EPL-N1600 Option Duplex Unit ®...
  • 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 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 release.

  • Page 6: Table Of Contents

    E P S O N E P L -N1 6 0 0 Table of Contents Chute Cover .................... 27 Product Descriptions Fan Assembly Duplex ................28 Sensor Assembly (Vertical) ..............29 OVERVIEW ....................9 Motor Duplex ................... 30 Basic specification ................9 Solenoid ....................
  • Page 7 E P S O N E P L -N1 6 0 0 Duplex Unit Horizontal I ..............58 Duplex Unit Horizontal II ............... 60 Duplex Unit Chute................. 62 Rev. 0...

  • Page 8: Product Descriptions

         PRODUCT DESCRIPTIONS...

  • Page 9: Overview

    EPSON EPL-N1600/Duplex Unit Chapter 1 Product Descriptions 1.1 OVERVIEW RELIABILITY/DURABILITY/SERVICEABILITY MPBF: 25,000 sheets or more This section describes the specification of the 500 Sheets feeder. MTBF: 3,000 hours or more Life: 300,000 sheets or 5 years BASIC SPECIFICATION (whichever comes first)

  • Page 10: Operating Principles

         OPERATING PRINCIPLES...

  • Page 11: Overview

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles 2.1 OVERVIEW This section describes the operating principles of the Duplex Unit. 2.1.1 Paper Transportation Paper is transported through the printer Base Engine and the Duplex Unit along the paper path shown in the Figure below when the Duplex Mode is selected or the optional Face UP Catch Tray is installed and selected.
  • Page 12 EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles The Figure below is a cut-section side view of the EPL-N1600 with the optional Duplex Unit attached that shows the paper path and the major components directly related to the paper transportation. Figure 2-2. Duplex Printing Paper Path...

  • Page 13: Paper Transportation Control

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles PAPER TRANSPORTATION CONTROL SCANNING DIRECTION IN DUPLEX PRINTING The figure below shows the paper movements in duplex printing mode. The figure below shows the relationship between the main and sub scanning direction and a side of the page printed in duplex printing. The controller sends the image data to the engine according to the printing order of pages, lines (raster lines) on each page and pixels on each line.

  • Page 14: Drive Power Transmission

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles 2.1.2 Drive Power Transmission The Duplex Unit is operated by the drive power generated by the Main Motor and the Paper Handling Motor of the Base Engine and by the drive power generated by the Motor Duplex within the Duplex Unit. The figure in right shows the relations of each components.

  • Page 15: Duplex Unit Drive Power Transmission (1)

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles DUPLEX UNIT DRIVE POWER TRANSMISSION (1) DUPLEX UNIT DRIVE POWER TRANSMISSION (2) Rev. 0...

  • Page 16: Function Of Duplex Unit Major Components

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles 2.1.3 Function of Duplex Unit Major Components Motor Duplex: Generates the drive power for the Duplex Unit. VERTICAL UNIT Gear Cluster: Transmits the drive power from the Motor Duplex to the Roll Assembly Exit and to Roll Assembly #1 (part of the Horizontal Unit).
  • Page 17 EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles Sensor Assembly: Sensor in the Vertical Unit which is located near the inlet and detects paper which enters the Duplex Unit. This sensor is also called the Vertical Sensor. Chute Lower: Pushed down by the paper coming from the Gate Upper, allowing the paper to proceed on to Roll Assembly #1.

  • Page 18: Horizontal Unit

    EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles Bracket & Gear Assembly:Receives the drive power from the Base HORIZONTAL UNIT Engine, and transmits it to Roll Assemblies #2, #3, and #4 of the Horizontal Unit. Roll Assembly #: Receives the drive power from the Motor Duplex and Gear Cluster which are part of the Vertical Unit.
  • Page 19 EPSON EPL-N1600/Duplex Unit Chapter 2 Operating Principles Plate Stopper: Support and limiting arm for the Vertical Unit Solenoid: Toggles the Gate Upper. Rev. 0...

  • Page 20: Troubleshooting

         TROUBLESHOOTING...
  • Page 21 EPSON EPL-N1600/Duplex Unit Chapter 3 Troubleshooting This chapter is not appliacble to the Duplex Unit. Rev. 0...
  • Page 22      DISASSEMBLY AND ASSEMBLY...

  • Page 23: Overview

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.1 OVERVIEW 4.1.2 Tools The following table lists the tools you need to disassemble and This chapter explains how to disassemble the Duplex Unit and its reassemble the printer. various mechanisms. Except where otherwise indicated, the reassembly procedure is the reverse of the disassembly procedure.

  • Page 24: Disassembly And Assembly

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2 DISASSEMBLY AND ASSEMBLY This section describes the procedures for disassembling the Duplex Unit. The assembly of the unit can be made by performing the disassembly step in reverse order unless otherwise specified, and the assembly procedure is therefore omitted in this manual.

  • Page 25: Duplex Unit Removal

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.1 Duplex Unit Removal 1. Switch OFF printer power and remove the AC power cord from the rear of the printer. 2. Disconnect all interface cables from the rear of the printer.

  • Page 26: Duplex Assembly Unit Vertical

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.2 Duplex Assembly Unit Vertical 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Slide the end of the Plate Stopper off of the post on the Frame L/H (1).

  • Page 27: Chute Cover

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.3 Chute Cover 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the two screws that secure the Plate Cover to the Frame L/ H, and remove the Plate Cover.

  • Page 28: Fan Assembly Duplex

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.4 Fan Assembly Duplex 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Disconnect P249/J2491 and route the Harness Vertical out of the Frame.

  • Page 29: Sensor Assembly (Vertical)

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.5 Sensor Assembly (Vertical) 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Remove the Fan Assembly Duplex.

  • Page 30: Motor Duplex

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.6 Motor Duplex 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Disconnect J244 from the Motor Duplex.

  • Page 31: Solenoid

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.7 Solenoid 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Disconnect J2471 (Solenoid) from P247.

  • Page 32: Shaft Latch & Lever

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.8 Shaft Latch & Lever 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Remove the screw that is securing the left Latch to the Shaft Latch, and remove the Latch.

  • Page 33: Rolls Pinch & Roll Assembly Exit

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.9 Rolls Pinch & Roll Assembly Exit 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Remove the Fan Assembly Duplex.

  • Page 34: Chute Lower & Roll Assembly

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10 Chute Lower & Roll Assembly 1. Remove the Duplex Unit. 2. Remove the Chute Upper. 3. Remove the Duplex Assembly Unit Vertical. 4. Remove the Chute Cover. 5. Remove the two screws that are securing the Chute Invert-V/TRA to the Frame R/H and Bracket Pivot R/H.

  • Page 35: Photo Interrupters (Rear I/L & Chute Cover I/L)

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.11 Photo Interrupters (Rear I/L & Chute Cover I/ 1. Remove the Duplex Unit. 2. Slide the end of the Plate Stopper off of the post on the Frame L/H.

  • Page 36: Chute Upper

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.12 Chute Upper 1. Tilt back the Duplex Assembly Unit Vertical. 2. Remove the four screws that are securing the Chute Upper to the Horizontal Unit. 3. Remove the Chute Upper.

  • Page 37: Sensor Assembly (Horizontal)

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.13 Sensor Assembly (Horizontal) 1. Remove the Duplex Unit. 2. Remove the Chute Assembly. 3. Remove the Plate Base. 4. Disconnect J2731 from the Sensor Assembly (Horizontal). 5. Press in on the locking clips and remove the Sensor Assembly (Horizontal) from the Chute Assembly.

  • Page 38: Roll Assembly #1 & Pinch Roll

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.14 Roll Assembly #1 & Pinch Roll 1. Remove the Duplex Unit. 2. Slide the end of the Plate Stopper off of the post on the Frame L/H. See illustration (1).

  • Page 39: Plate Base

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.15 Plate Base 1. Remove the Duplex Unit. 2. Slide the end of the Plate Stopper off of the post on the Frame L/H. See the illustration (1). 3. Tilt back the Vertical Unit.

  • Page 40: Roll Assemblies #2 & #3

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.16 Roll Assemblies #2 & #3 1. Remove the Duplex Unit. 2. Remove the Plate Base. 3. Set the Horizontal Unit on the Support Duplex L/H-. 4. Remove the two screws that are securing the Chute Assembly to the Support Duplex-R/H.

  • Page 41: Pwb Assembly Duplex

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.17 PWB Assembly Duplex 1. Remove the Duplex Unit. 2. Disconnect J263, J272, J273, and J274 from the PWB Assembly Duplex. 3. Remove the screw that is securing the PWB Assembly Duplex to the Support Duplex-L/H.

  • Page 42: Bracket & Gear Assembly

    EPSON EPL-N1600 / Duplex Unit Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.18 Bracket & Gear Assembly 1. Remove the Duplex Unit. 2. Remove the PWB Assembly Duplex. 3. Slide the Chute Assembly out from the Duplex Unit. Remove the two screws that are securing the Plate Tie to the Support Duplex-L/H and Support Duplex-R/H, and remove the Plate Tie.

  • Page 43: Adjustment

         ADJUSTMENT...
  • Page 44 EPSON EPL-N1600/Duplex Unit Chapter 5 Adjustment There is no adjustment required when repairing the Duplex Unit. Rev. 0...

  • Page 45: Maintenance

         MAINTENANCE...
  • Page 46 EPSON EPL-N1600/Duplex Unit Chapter 6 Maintenance There is no specific maintenance required for the duplex unit. Rev. 0...

  • Page 47: Appendix

         APPENDIX...

  • Page 48: Connector Location

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix 7.1 Connector Location Connector Location Harness J229 Harness Sensor Horizontal P/J230 Harness Vertical P/J244 Harness Vertical P/J246 Harness Vertical P/J247 @ Solenoid *1 J2471 Harness Vertical P/J249 @ Fan Assembly Duplex J2491 Harness Vertical...

  • Page 49: Exploded Diagram

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix 7.2 Exploded Diagram DUPLEX UNIT (OPTIONAL) 1. Duplex Unit (with PL10.2, PL10.3, PL10.4, PL11.1, PL11.2, PL12.1 and 5~8) 2. Reference only (Exploded on PL10.2, PL10.3, PL10.4) 3. Reference only (Exploded on PL11.1, PL11.2) 4. Reference only (Exploded on PL12.1) 5.

  • Page 51: Duplex Unit Vertical I

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix DUPLEX UNIT VERTICAL I 1. Duplex Assembly Unit Vertical (with 2 - 5, PL10.3, PL10.4) $ 2. Sensor Assembly $ 3. Bracket Fan 4. Fan Assembly Duplex $ 5. Chute Cover 6. -- Rev. 0...
  • Page 53 EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix 19. Bracket DUPLEX UNIT VERTICAL II 20. Frame R/H 1. Harness Vertical 21. Spring Torsion-Latch RH 2. Clamp NSB1207 22. Plate Assembly Pivot 3. Bracket 4. Motor Duplex $ 5. Gear 6. Wire 7. Plate Cover 8.
  • Page 55 EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix 19. Spring DUPLEX UNIT VERTICAL III 20. Roll Assembly Exit 1. Chute Lower 21. Gate Upper 2. Bearing 22. Lever 3. Roll Assembly 23. Bracket Pivot R/H 4. Bearing 5. Gear 6. Chute Lower 7.

  • Page 57: Duplex Unit Horizontal I

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix 19. Chute Lower DUPLEX UNIT HORIZONTAL I 20. Plate Pivot R/H 1. Duplex Assembly Unit Horizontal (with 2 - 24, PL11.2, PL12.1) $ 21. Spring Earth 2. Roll Assembly #3 22. Sensor Assembly $ 3.

  • Page 59: Duplex Unit Horizontal Ii

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix DUPLEX UNIT HORIZONTAL II 1. Support Duplex-L/H 2. Bracket & Gear Assembly 3. Bracket PWBA 4. Spring Earth 5. Spring Earth 6. PWBA Assembly Duplex $ 7. Harness Sensor 9P 8. Harness Sensor Horizontal 9.

  • Page 61: Duplex Unit Chute

    EPSON EPL-N1600/Duplex Unit Chapter 7 Appendix DUPLEX UNIT CHUTE 1. Chute Assembly (with 2 - 13) $ 2. Chute 3. Roll Pinch Assembly 4. Roll Pinch Assembly 5. Chute Pass A 6. Spring Earth 7. Chute Pass B 8. Roller Assembly # 4 9.

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