Epson Stylus C82 Service Manual
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Epson Stylus C82 Service Manual

Epson Stylus C82 Service Manual

Color inkjet printer
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SERVICE MANUAL

Color Inkjet Printer
EPSON Stylus C82
®
SEIJ02003

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Summary of Contents for Epson Stylus C82

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus C82 ® SEIJ02003...
  • 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 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. 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 Provides preventive maintenance procedures and the lists of may also provide additional information that is related to a Epson-approved lubricants and adhesives required for specific subject, or comment on the results achieved through a servicing the product.
  • Page 5 Revision Status Revision Issued Date Description July 31, 2002 First Release...

  • Page 6: Table Of Contents

    CONTENTS Chapter 1 PRODUCT DESCRIPTION Chapter 2 OPERATING PRINCIPLES 1.1 Features ....................... 9 2.1 Overview ......................17 2.1.1 Printer Mechanism ..................17 1.2 Specifications ....................... 9 2.1.2 Carriage Motor Specification ..............17 1.2.1 Physical Specification .................. 9 2.1.3 Paper Feeding Motor Specification ............17 1.2.2 Printing Specification ..................
  • Page 7 4.2.1.1 Upper Housing Removal ..............27 7.1.2 EEPROM Address Map ................54 4.2.1.2 Panel Housing/C486 PNL Board Removal ........27 7.2 Exploded Diagram .................... 57 4.2.1.3 Printhead Removal ................28 7.3 Electrical Circuits ..................... 58 4.2.1.4 Lower Housing/Printer Mechanism Removal ........29 4.2.2 Board Removal ..................

  • Page 8: Chapter 1 Product Description

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

  • Page 9: Features

    Revision A 1.1 Features Nozzle configuration Monochrome 180 nozzles The major features of EPSON Stylus C82 are: Color 59 nozzles x 3 (Cyan, Magenta, Yellow) High color print quality 2880 (H) x 1440 (V) dpi printing (Max resolution) 4 color printing (YMCK)

  • Page 10: Paper Feeding

    (between AC line and chassis, DC 500V) Typeface Dielectric strength : AC 1000V rms. 1 minute or AC 1200V rms. 1 second Bit map LQ font: EPSON Courier 10 CPI (between AC line and chassis) 1.2.3 Paper Feeding [220 to 240V version] Rated voltage...

  • Page 11: Environmental Condition

    EPSON Stylus C82 Revision A 1.2.6 Environmental Condition 1.2.7 Reliability Total print volume : 50,000 pages (A4, Letter) (Black) Table 1-3. Environmental Condition 20,000 pages (A4, Letter) (Color) (*1) Operating Non-operating Printhead Life : 3000 million dots/nozzle -20 to 40°C Temperature 10 to 35°C...

  • Page 12: Operator Controls

    EPSON Stylus C82 Revision A 1.3 Operator Controls 1.3.3 Panel Functions Table 1-4. Panel functions 1.3.1 Operate Switch Switch Function Operate switch is located on the control panel. • Loads or ejects the paper. • When carriage is on the ink check position, move carriage to 1.3.2 Control Panel...

  • Page 13: Printer Condition And Panel Status

    EPSON Stylus C82 Revision A 1.3.4 Printer Condition and Panel Status Paper jam When printer fails to eject a sheet, it goes paper jam error. Table 1-6. Printer condition and LED status Maintenance request When the total quantity of ink wasted through the cleanings and flushing is Indicators reaches to the limit, printer indicates this error and stops.

  • Page 14: Printing Area

    EPSON Stylus C82 Revision A 1.4.3 Printing Area Envelope Table 1-8. Paper specification (Envelope) 1.4.3.1 Cut Sheet Paper size Paper width Paper length Thickness Weight (lb) Quality Table 1-11. Character mode No.10 241mm 104.8mm • Bond paper Paper size (Left margin)

  • Page 15: Envelopes

    EPSON Stylus C82 Revision A 1.4.3.2 Envelopes Storage temperature : -20 C to 40 C (Storage, within a month at 40 C to 40 C (Packing storage, within a month at 40 Table 1-13. Envelope margin C to 60 C (Transit, within 120 hours at 60...

  • Page 16: Chapter 2 Operating Principles

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

  • Page 17: Overview

    EPSON Stylus C82 Revision A 2.1 Overview 2.1.4 Paper Loading Mechanism (New ASF unit) The ASF of this printer is newly designed. It has the following characteristics. This section describes the operating principles of the printer mechanism and electrical Uses a Retard Roller. (Laser printers also use this roller.) circuit boards New design of PF/ASF change mechanism.

  • Page 18: Ink System Mechanism

    EPSON Stylus C82 Revision A 2.1.5 Ink System Mechanism 2.2.1 C486 PSB/PSE Board With this printer, when the PF Motor turns, power is always transmitted to the ink system. +42VDC +5VDC PSC Signal from ZD53 Main board 2.1.5.1 Pump Unit & Wiper mechanism...

  • Page 19: C486 Main Board

    EPSON Stylus C82 Revision A 2.2.2 C486 MAIN Board Table 2-4. C486 MAIN Board Major Components and Primary Functions Location Function 8 Mbit ROM program for CPU provided with CG table, 3.3V drive (not DOS compliant) Transceiver IC for the Centronics I/F response to IEEE1284 and Transceiver ECP more, Data transfer by DMA, 3.3V drive...
  • Page 20 EPSON Stylus C82 Revision A E01A38CA ASIC (IC10) +42V /HWFLR (#36) D0 (#164), D1 (#169) (IC1) HWSDATA (#39) D2 (#174), D3 (#4) HWSCLK (#30) DATA D4 (#5), D5 (#176) Head /HWSLAT (#31) D6 (#171), D7 (#166) driver 1 Printhead D8 (#167), D9 (#172)

  • Page 21: Chapter 3 Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 22: Overview

    EPSON Stylus C82 Revision A 3.1 Overview 3.1.1.2 Ink Out The Ink Out indicator did not recover immediately after installation of the Ink This chapter describes how to troubleshoot problems. Cartridge. Press the Ink Switch and the Ink Out indicator will go out after the Carriage Unit returns to the HP.

  • Page 23: Paper Supply Faults

    EPSON Stylus C82 Revision A Fatal Error Reference Information (Aside from Head Hot Error) 3.1.1.5 Dot missing 1 Fatal Error cause can be analyzed by referring to EEPROM Address and Error Use operation from Panel or Driver Utility to execute cleaning 4~5 times.

  • Page 24: Chapter 4 Disassembly And Assembly

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

  • Page 25: Overview

    EPSON Stylus C82 Revision A 4.1 Overview Avant de commencer, assurez vous que l’imprimante soit eteinte et que le cordon d’alimentation soit debranche. This section describes procedures for disassembling the main components of the Veillez a jeter les piles usagees selon le reglement local.

  • Page 26: Disassembly

    EPSON Stylus C82 Revision A 4.2 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Upper Housing Removal 4.2.1.1 P.27 Panel Housing/ Lower Housing/ Printhead Removal C486 PNL Board Printer Mechanism 4.2.1.3 P.28...

  • Page 27: Housing Removal

    EPSON Stylus C82 Revision A 4.2.1 Housing Removal While slightly lifting Upper Housing, follow the order shown below to remove (1) 1 screw (C.B.S 3x6) and (2) FFC (from C486 PNL Board). Then remove the Upper Housing. 4.2.1.1 Upper Housing Removal Remove 4 screws (C.B.P 3x10) holding the Upper Housing.

  • Page 28: Printhead Removal

    EPSON Stylus C82 Revision A Remove 3 screws (C.B.P 3x8) holding the C486 PNL Board, then remove the Remove 2 screws (C.B.P (P4) 3x8) holding the Fastener Head, then remove the C486 PNL Board from the Panel Housing. Fastener Head in the direction of arrow A.

  • Page 29: Lower Housing/Printer Mechanism Removal

    EPSON Stylus C82 Revision A While avoiding 2 hooks, follow order shown below to remove Printhead from Carriage Unit. When the FFC has been replaced, be sure to attach sponge as shown in lower left diagram. Because double-sided tape is attached...

  • Page 30: Board Removal

    EPSON Stylus C82 Revision A As shown below, remove AC Cable Cover and Ink Tube from Lower Housing and C486 Main Board. Make sure the tip of the waste ink tube is located at correct position when reassembling the waste ink tube. Otherwise it will...
  • Page 31 EPSON Stylus C82 Revision A Remove 4 screws (C.B.S 3x6: 1, C.B.S 3x8: 2, C.B.S 3x16: 1) holding C486 Main Board, then remove Printer Mechanism from C486 Main Board in upward When C486 Main Board has been replaced by a service part, the direction.

  • Page 32: C486 Psb/Pse Board Removal

    EPSON Stylus C82 Revision A 4.2.2.2 C486 PSB/PSE Board Removal C.B.S (P4) 3x8 (8±1kgf.cm) x2 Remove C486 Main Board. (See Section 4.2.2.1) Remove 2 screws (C.B.S 3x6) holding C486 PSB/PSE Board. After shifting C486 PSB/PSE Board temporarily in the direction of arrow A, release the hook, then pull the board in the direction of arrow B and remove it from the Printer Mechanism.

  • Page 33: Asf Unit Disassembly

    EPSON Stylus C82 Revision A Release the union location between Pump Frame and ASF Unit. 4.2.3.2 ASF Unit Disassembly Remove ASF Unit. (See Section 4.2.3.1) Be careful because pulling strongly on Pump Frame can cause it to After releasing the hook holding the Paper Back Cam, let the control of Torsion break.
  • Page 34 EPSON Stylus C82 Revision A Follow the order below to remove ASF Trigger Lever from ASF Frame. While spreading the left side surface of the ASF Frame toward the outside, follow the order shown below to remove LD Roller Shaft.

  • Page 35: Pe Sensor/Pe Sensor Holder/Pe Lever Removal

    EPSON Stylus C82 Revision A 4.2.3.3 PE Sensor/PE Sensor Holder/PE Lever Removal ASF Unit Assembly Points Remove ASF Unit. (See Section 4.2.3.1) Set Clutch Spring (when assembling Clutch and Clutch Gear) Disconnect connector from PE Sensor. Position Paper Back Support Lever (when setting the Paper...

  • Page 36: Pf Encoder & Pf Encoder Base Removal

    EPSON Stylus C82 Revision A There are 2 types of the Rotary Scale, the Film type that has been Condition of PE Lever and Torsion Spring 0.28 after installation. available since first mass production and a new Plastic type. Needed information about details and repair are given below.

  • Page 37: Linear Scale Removal

    EPSON Stylus C82 Revision A 4.2.3.5 Linear Scale Removal 4.2.3.6 CR Guide Shaft/Carriage Unit Removal Remove Printer Mechanism. (See Section 4.2.1.4) Remove Linear Scale. (See Section 4.2.3.5) Release Extension Spring 2.94 from Printer Mechanism hook 1. Use a common screwdriver to release Extension Spring 26.46 from hooks on Pulley Driven Holder and Printer Mechanism, then remove spring.
  • Page 38 EPSON Stylus C82 Revision A Remove CR Guide Shaft from Printer Mechanism in direction of arrow C while taking care not to damage slots in Printer Mechanism. Allow Carriage Unit to rotate in direction of arrow D and remove Carriage Unit from Printer Mechanism.

  • Page 39: Ink System Unit Removal

    EPSON Stylus C82 Revision A 4.2.3.7 Ink System Unit Removal Use a pair of tweezers to replace the Cleaner Blade. While doing Remove Printer Mechanism. (See Section 4.2.1.4) this, do not touch the Printhead with the tweezers. In addition, do Remove 2 screws ((1)C.B.S 3x8, (2) C.B.S 3x6) holding the Ink System Frame,...

  • Page 40: Pf Motor Removal

    EPSON Stylus C82 Revision A Installation of screws holding PF Motor When installing CR Motor, install it with the label of the motor Follow order shown in lower left diagram to set screws facing upwards. temporarily. Pull PF Motor in direction shown by arrow in lower left diagram, then while maintaining tension on the Timing Belt completely fasten the PF Motor.

  • Page 41: Ej Roller Unit Removal

    EPSON Stylus C82 Revision A 4.2.3.11 EJ Roller Unit Removal 4.2.3.12 Front Paper Guide Removal Remove Paper Eject Frame Unit. (See Section 4.2.3.10) Remove EJ Roller Unit. (See Section 4.2.3.11) Remove Grounding Wire from Printer Mechanism. Remove 2 screws (C.B.S 3x6) holding Front Paper Guide.

  • Page 42: Upper Paper Guide Removal

    EPSON Stylus C82 Revision A 4.2.3.13 Upper Paper Guide Removal Remove Front Paper Guide and PE Sensor Holder. (See Section 4.2.3.12 and 4.2.3.3) Hook Rear Paper Guide Release 2 hooks holding each Extension Spring 4.07, then remove Extension Spring 4.07 (4 springs).

  • Page 43: Chapter 5 Adjustment

    C H A P T E R ADJUSTMENT...

  • Page 44: Overview

    5.1.1 Conditions for Each Adjustment The Stylus C82 adjustment program is Epson's first use of a sequential program for performing mechanical/electrical adjustments in an established order. The program will use an interactive method to guide you through suitable adjustments that correspond to repairs that have actually been made. This chapter only lists the adjustment conditions.
  • Page 45 EPSON Stylus C82 Revision A Table 5-1. Adjustment Program Supported Functions Category Items Conditions Purpose Adjustment USB ID input Performed after main board replacement. (Not necessary if only main A unique ID is created by inputting the printer's serial number into the USB ID. This (Cont.)

  • Page 46: Chapter 6 Maintenance

    C H A P T E R MAINTENANCE...

  • Page 47: Overview

    EPSON Stylus C82 Revision A 6.1 Overview 6.1.2 Service Maintenance If print irregularity (missing dot, banding, etc.) has occurred or the printer indicates This section provides information to maintain the printer in its optimum condition. “Maintenance Error”, take the following actions to clear the error.

  • Page 48: Lubrication

    EPSON Stylus C82 Revision A 6.1.3 Lubrication Table 6-2. Lubrication Points The types lubricants used in the Stylus C82 are specified by SEIKO EPSON. Lubricate Fig No. Lubrication Point/Type Remarks the printer if necessary under the following conditions: • Joint use of Flux Dispenser is <Lubrication Point>...
  • Page 49 EPSON Stylus C82 Revision A Table 6-2. Lubrication Points Table 6-2. Lubrication Points Fig No. Lubrication Point/Type Remarks Fig No. Lubrication Point/Type Remarks • Joint use of Flux Dispenser is • Use a brush to apply it. <Lubrication Point> <Lubrication Point>...
  • Page 50 EPSON Stylus C82 Revision A G-26 No.2 G-46 G-63 No.1 G-26 G-26 G-46 Figure 6-1. Driven Roller Figure 6-2. Paper Back Lever Figure 6-7. Carriage Unit Figure 6-8. Pulley Driven Holder G-46 G-26 G-46 G-26 Figure 6-3. Paper Back Support Lever Figure 6-4.

  • Page 51: Chapter 7 Appendix

    C H A P T E R APPENDIX...

  • Page 52: Connector Summary

    EPSON Stylus C82 Revision A 7.1 Connector Summary Table 7-3. CN8 - Printhead Signal Name Function 7.1.1 Major Component Unit Ground The Major component units of this printer are as follows. Head drive pulse (trapezoid waveform) Main Board (C486 MAIN)
  • Page 53 EPSON Stylus C82 Revision A Table 7-3. CN8 - Printhead Table 7-4. CN9 - Printhead Signal Name Function Signal Name Function CSIC serial data Ground Ground Head drive pulse (trapezoid waveform) Cartridge out signal Power for nozzle selector IC Head drive pulse (trapezoid waveform) Power for nozzle selector IC Table 7-4.

  • Page 54: Eeprom Address Map

    EPSON Stylus C82 Revision A 7.1.2 EEPROM Address Map Table 7-7. CN14 - CR motor Table 7-10. EEPROM address map Signal Name Function QPIT Factory CR-A Phase drive signal (-A) Address Explanation Setting setting settings CR-B Phase drive signal (-B)
  • Page 55 EPSON Stylus C82 Revision A Table 7-10. EEPROM address map (continued) Table 7-10. EEPROM address map (continued) QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting setting settings setting settings CSIC1 ink name1 bit7 : Reserved bit6 : Reserved...
  • Page 56 EPSON Stylus C82 Revision A Table 7-10. EEPROM address map (continued) Table 7-10. EEPROM address map (continued) QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting setting settings setting settings : No error Bi-D adjustment for VSD2 -60 <= n <= +60...

  • Page 57: Exploded Diagram

    NOTE: (*1) : Adjusted at factory. 7.2 Exploded Diagram An exploded diagram is not provided in the Stylus C82 Service Manual. If consultation of an exploded diagram is necessary, see the exploded diagram attached to the Stylus C82 Parts List.

  • Page 58: Electrical Circuits

    EPSON Stylus C82 Revision A 7.3 Electrical Circuits APPENDIX Electrical Circuits...
  • Page 59 EPSON Stylus C82 Revision A APPENDIX Electrical Circuits...
  • Page 60 EPSON Stylus C82 Revision A APPENDIX Electrical Circuits...
  • Page 61 EPSON Stylus C82 Revision A APPENDIX Electrical Circuits...

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