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Epson 440 Service Manual
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Epson 440 Service Manual

Color ink-jet printer
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EPSON
COLOR INK-JET PRINTER

EPSON Stylus Color 600

SERVICE MANUAL

SEIKO EPSON CORPORATION
4007367

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Summary of Contents for Epson 440

  • Page 1: Epson Stylus Color

    EPSON COLOR INK-JET PRINTER EPSON Stylus Color 600 SERVICE MANUAL SEIKO EPSON CORPORATION 4007367...
  • Page 2 However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequences thereof. EPSON is a registered trademark of SEIKO EPSON CORPORATION.
  • Page 3 CERTIFIED REPAIR TECHNICIAN. 2. MAKE CERTAIN THAT THE SOURCE VOLTAGE 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 PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of EPSON Stylus Color 600. The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to die precautions on the preceding page. The Chapters are organized as follows: CHAPTER 1.
  • Page 5 REVISION SHEET Revision Issued Data Contents Rev. A First issue...
  • Page 6 TABLE OF CONTENTS CHAPTER 1. CHAPTER 2. CHAPTER 3. CHAPTER 4. CHAPTER 5. CHAPTER 6. APPENDIX GENERAL DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENT TROUBLESHOOTING MAINTENANCE...

  • Page 7: Table Of Contents

    1.3.2.1 Prevention Hosts from Data Transfer time-out...1-19 1.3.3 Serial Interface ..1-20 1.4 Control Panel... 1-21 1.4.1 Indicators...1-21 1.4.2 Panel Functions ...1-22 1.4.3 Printer Condition and Panel Status ...1-23 1.5 Error Status ... 1-24 1.5.1 Ink Out ...1-24 1.5.2 Paper Out...1-24 1.5.3 Paper Jam...1-24 1.5.4 No Ink-Cartridge Error...1-25...

  • Page 8: Features

    1.1 Features EPSON Stylus Color 600 is designed for low price for that high performance. The major printer features are; High color print quality 1440(H) x 720(V) dpi printing Standard 4 color printing (CMY+Bk) Traditional and New Microwave control to eliminate banding Built-in auto sheet feeder Holds 100 cut-sheets (64g/‡u)

  • Page 9: Specifications

    EPSON Stylus Color 600 1.2 Specifications This section describes the product specifications for EPSON Stylus Color 600. 1.2.1 Printing Specification Print method On-demand color ink jet printing Nozzle configuration Black: 64 nozzles (32 nozzles x2 staggered / Nozzle pitch = 180dpi/vertical)
  • Page 10 Paper Feeding Method Friction feed with built in ASF (Auto Sheet Feeder) Line Spacing 1/6 inch or programmable at 1/360 inch Paper Path Top entry (from ASF) only Feeding Speed 66.6 ms (at 1/6 inch line-feed) 3.0 inch/sec (76.2 mm/sec / at continuous-feed) ASF Capacity Size :Index card to Legal...
  • Page 11 Scaleable font: EPSON Roman EPSON Sans Serif EPSON Roman T EPSON Sans Serif H (10.5 pt, 8 to 32 pt)) Note) *1: Each typeface has four different font style; Normal, Bold, Italic and Bold-Italic. Table 1-4 Character Table and Typeface Version...

  • Page 12: Paper Specification

    1.2.2 Paper Specification This section describes the types of paper that can be used in this printer. 1.2.2.1 Cut Sheet [Size] [Width 210mm (8.3”) x Length 297mm (11.7”)] :Letter [Width 216mm (8.5”) x Length 279mm (11.0”)] [Width 182mm (7.2”) x Length 257mm (10.1”)] :Legal [Width 216mm (8.5”) x Length 356mm (14.0”)]...

  • Page 13: Adjust Lever Settings (Pg Adjust Lever)

    Adjust Lever Settings (PG adjust lever) The adjust lever located on the right side (blue knob) under the printer cover needs to be set to the proper position according to the paper you print (Refer to the table below). Also, if there is any dirt caused by friction on the wavy or wrinkled paper, this can be prevented by changing the lever position to rear position (marked with “+”) in spite of paper types.

  • Page 14: Printable Area

    1.2.4 Printable Area 1.2.4.1 Cut Sheet Following tables show printable areas at Character mode and Raster Graphics mode. Paper size (Paper width) (typ.) Length) 210mm(8.3”) 297mm(11.7”) Letter 216mm(8.5”) 279mm(11.0”) 182mm(7.2”) 257mm(10.1”) Legal 216mm(8.5”) 356mm(14.0”) Statement 139.7mm(5.5”) 215.9mm(8.5”) 3mm(0.12”) Executive 190.5mm(7.5”) 254mm(10”) Paper size (Paper width) (typ.)

  • Page 15: Envelope

    EPSON Stylus Color 600 1.2.4.2 Envelope The table and figure below show the printable area for envelopes. Paper Size (Left Margin) (min.) 3mm (0.12”) 3mm (0.12”) 3mm (0.12”) Table 1-8. Envelope (Right Margin) (min.) 28mm (1.10”) 7mm (0.28”) 3mm (0.12”) Figure 1-4.

  • Page 16: Environmental Condition

    Note) 1. During non-operating, make sure that the head is capped. 2. During the transport, make sure that the head is capped and ink cartridge is installed to the printer. 3. If the head is not capped at the power-off state, turn the power on with the ink cartridge installed and turn off the power after confirming that the head is correctly capped.

  • Page 17: Ink Cartridge Specifications

    EPSON Stylus Color 600 1.2.6 Ink Cartridge Specifications 1.2.6.1 Black Ink Cartridge Table 1-9. Black Ink Cartridge Specifications Item Type Black Ink Cartridge Color Black Print capacity 540 pages / A4 (ISO/IE10561 Letter Pattern at 360 dpi) Validity 2 years (sealed in package) / 6months(out of package)

  • Page 18: Color Ink Cartridge

    1.2.6.2 Color Ink Cartridge Table 1-10. Color Ink Cartridge Specification Item Type Color Ink Cartridge(Code: S020089) Color Magenta/Cyan/Yellow Print capacity 300 pages / A4 (360 dpi, 5% duty each color) Validity 2 years (sealed in package) / 6months(out of package) Environmental Temperature conditions...

  • Page 19: Physical Specification

    EPSON Stylus Color 600 1.2.7 Physical Specification [Dimension] :429mm(W) x 234mm(D) x 162mm(H) :429mm(W) x 695mm(D) x 309mm(H) with extended stacker and paper support. [Weight] :5.2Kg 1-12 Figure 1-8. Dimension Rev. A...

  • Page 20: Electric Specification

    1.2.8 Electric Specification [120V] Version [Rated voltage] [Input voltage range] [Rated frequency range] [Input frequency range] [Rated current] [Power consumption] [Insulation Resistance] [Dielectric strength] [220•`240V] Version [Rated voltage] [Input voltage range] [Rated frequency range] [Input frequency range] [Rated current] [Power consumption] [Insulation Resistance] [Dielectric strength] 1.2.9...

  • Page 21: Printer Language And Emulation

    EPSON Stylus Color 600 1.2.13 Printer Language and Emulation Printer Language ESC/P control codes General Operation: Initialize Printer Unidirectional Printing CSF Mode Control Paper feeding: Form Feed Line Feed Line Spacing Carriage Return Page format: Page Length Left / Right Margin...
  • Page 22 Bit image: Bit Image Graphics: Graphics Mode Raster Graphics Microweave control Dot size control Horizontal Position Printing Speed Printing mode: Printing mode Color: Printing Color EEPROM control EEPROM control Rev. A :ESC* :ESC (G :ESC. :ESC (i :ESC (e :ESC (\ :ESC(s :ESC (K :ESC r, ESC (r...

  • Page 23: Interface

    GND (*1). Forward channel is the mode when the ordinary data such as print data is sent from the PC to the printer. Table 1-11. Signal and Connector Pin Assignment for Parallel Interface Pin No.

  • Page 24: Parallel Interface (Reverse Channel)

    Logic-H Chassis GND 16,33 19-30 15, 34 Note) “I/O” refers to the direction of signal flow from the printer’s point of view. Rev. A :IEEE-1284 nibble mode :Refer to the IEEE-1284 specification :Request Nibble Mode Reverse Channel Transfer. :Request device ID; Return Data using Nibble Mode Rev Channel Transfer.
  • Page 25 GND (16,33, 19-30 pin) for twist pair return. Also, these cables are shielded wires and it is effective to connect to each chassis GND in the PC and printer for electrostatic noise. Conditions for Interface are based on TTL level. Rise and fall time should be within 0.2ms.

  • Page 26: Prevention Hosts From Data Transfer Time-Out

    To prevent hosts this kind of time-out, the printer receives data very slowly, several bytes per minute, even if the printer is in busy state. This showdown is started when the rest of the input buffer becomes several hundreds of bytes. Finally, the printer is in the busy state continuously when the input buffer is full.

  • Page 27: Serial Interface

    EPSON Stylus Color 600 1.3.3 Serial Interface [Standard] :Based on RS-423 [Synchronization] :Synchronous [Bit Rate] :Approx. 900Kbps [Handshaking] :X-ON/X-OFF, DTR Protocol [Word Format] :Data Bit :Parity Bit = None :Start Bit :Stop Bit [Connector] :8-pin mini-circular connector [Recommended Cable] :Apple System Peripheral-8 Cable (Part #: Pin No.

  • Page 28: Control Panel

    1.4 Control Panel Since EPSON Stylus Color 600 does not require many buttons since printer driver can start various settings and motions. Therefore, there are only 2 non-lock type push switches, 1 lock type push switch and 4 LEDs. Following figure shows control panel of EPSON Stylus Color 600.

  • Page 29: Panel Functions

    Note) *: 3 seconds is required at the User’s manual. **: This function is not available in printing status. ***: The time to complete the sequence may vary depending on the printer’s status. •q Panel Functions with Power ON •r Table 1-20.

  • Page 30: Printer Condition And Panel Status

    Initialization of I/F selection (returns to AUTO) EPSON Stylus Color 600 does not have “EEPROM All Clear” function like other printers. If the printer does not function well and falls into fatal error condition, replace the main board to see if the problem is rectified.

  • Page 31: Error Status

    Ink Out When the printer runs out the most part of the ink of any one color, it warns ink-low and keeps printing. When the printer runs out the whole ink of any one color, it stops printing and indicates ink-out error.

  • Page 32: No Ink-Cartridge Error

    1.3.1 if you need to perform EEPROM Clear. 1.5.6 Fatal Errors When printer detects fatal errors such as carriage control error or CG access error, it goes to this error mode. Refer to followings for each error. Carriage control Error: Parallel adjustment malfunction, Home-position malfunction, Timing belt tension malfunction, shortage of lubricant on the carriage guide shaft, etc.

  • Page 33: Printer Initialization

    1.6.1 Initialization Settings EPSON Stylus Color 600 initializes following settings when the initialization is performed. Also, if the user changes the settings in the Panel setting, Default setting or Remote command setting, values or settings which are possible to be stored are initialized as initialization settings.

  • Page 34: Main Components

    1.7 Main Components EPSON Stylus Color 600 has following major units. Also, it is one of the major characteristics that the bottom of the Printer mechanism plays the role as lower case at the same time. Upper case Printer Mechanism...

  • Page 35: C200 Main Board

    EPSON Stylus Color 600 1.7.2 C200 MAIN Board The C200 MAIN board controls whole mechanism operations and a data processing operation. Most of the functions of the circuit are integrated into single ASIC; E05B43YA (IC2) and this makes the board design very simple and reliable.

  • Page 36: C206 Psb/Pse Board

    1.7.4 C206 PNL Board The C206 PNL board is located in the panel case where is in the right bottom of the front of printer and consists of 3 switches, 4 LEDs. Figure 1-15. Exterior view of C206 PNL Board 1-29 Rev.
  • Page 37 2.1 OVERVIEW ...2-1 2.1.1 Printer Mechanism ... 2-1 2.1.1.1 Printing Mechanism ... 2-2 2.1.1.1.1 Printing Process... 2-3 2.1.1.1.2 Printing Method ... 2-4 2.1.1.2 Carriage Mechanism... 2-7 2.1.1.2.1 Platen Gap Adjust Mechanism and Parallel adjustment Mechanism...2-10 2.1.1.3 Paper Feed Mechanism and Pump Mechanism ...2-11 2.1.1.4 Ink System ...2-14...

  • Page 38: Overview

    2.1.1 Printer Mechanism Unlike previous EPSON Ink Jet printers, printer mechanism of Stylus Color 600 does not have exclusive mechanism to change over paper feeding and Pumping operation. In stead, this control is done by the turning direction of paper feed/pump motor and position of carriage at that time. Also, unlike previous print heads, print head of this printer is became one unit combined with black and CMY head.

  • Page 39: Printing Mechanism

    VH value written on the side of print head by using exclusive program when you replace print head, control board, or the printer mechanism.(However, there are no resistor array for decide the VH voltage on the main control board.) Following explains print head.

  • Page 40: Printing Process

    2.1.1.1.1 Printing Process Following figures indicate the sectional drawing of normal state and ejecting state of print head. (1) Normal State: When the print signal is not output, PTZ also does not move in the waiting state(normal state). (2) Ejecting State: When the print signal is output from the C200 main board, IC(IR2C72C and IR2C73C:Nozzle Selector) located on the print head unit latches the data once by 1-byte unit.

  • Page 41: Printing Method

    EPSON Stylus Color 600 2.1.1.1.2 Printing Method This section explains printing method of actual printing such as printing text at various resolution select/printing mode and graphics printing. In order to prevent white or color banding which are peculiar problem of ink-jet, new Micro-Weave functions are added to the previous Micro-Weave function. The number of nozzles and printing mode according to the selected resolution are used separately by a user.
  • Page 42 Note2) Two groups which are divided according to each elements will be divided either even dot or odd dot when particular lines(level direction line) are formed and eventually, these lines will be completed at selected resolution. Following is a conceptual figure when full overlap micro- weave orms a particular line.
  • Page 43 Micro-Weave, and ordinal Micro-weave according to the selection of resolution. Also, when these three printing modes are performed by the Stylus Color 600, the printer performs top and bottom margin process in order to control the overprinting volume as little as possible.

  • Page 44: Carriage Mechanism

    Carriage mechanism is to drive the carriage with print head mounted from left to right or vice versa. The carriage drive motor in this printer is a 4-phase, 200-pole, stepping motor and is driven by 1-2phase, 2-2phase and W1-2phase drive method. This stepping motor allows the carriage to move freely to the particular positions which is necessary for various operation, such as paper feeding, ink absorbing, flashing, ink exchange and cleaning operations.
  • Page 45 By using this method, it becomes possible to supply constant stable torque to the motor. As a result, it also became difficult to be influenced by vibration from the printer mechanism during printing. Table 2-4. Motor Drive Sequence(W1-2 phase drive)
  • Page 46 Carriage lock mechanism is to prevent the carriage from being left at uncap position for a long time because of vibration during the printer transport or mishandling by the users. If the carriage is left at uncap position and uncap state of the print head for long time, an ink on the print head surface gradually becomes viscosity.

  • Page 47: Platen Gap Adjust Mechanism And Parallel Adjustment Mechanism

    (PG adjustment value above) which can be changed by platen gap adjustment. Parallel adjustment should be done when the serviceman mounts the carriage guide shaft on the printer mechanism during the production process or repair service. In the adjustment, the space between parallel adjustment lever and gauge should be 1.04 mm.

  • Page 48: Paper Feed Mechanism And Pump Mechanism

    Paper Feed Mechanism and Pump Mechanism Mechanisms that send the paper in the hopper to inside the printer and perform constant paper feed in order to perform printing on the sent paper are called paper feed mechanism as generic name.
  • Page 49 EPSON Stylus Color 600 Papers on the ASF (auto-sheet-feeder) supplied by the user are carried to the printer inside by paper pick up sequence. Unlike the previous models, ASF of Stylus Color 600 has mufti feed prevention mechanism. Following explains this function and figure below shows its mechanism.
  • Page 50 After papers in the ASF receive controls from pick up and multi feed prevention mechanism, they are sent to the printer inside. The papers picked up by paper roller in the ASF goes to between platen and roller support. Also, the eject roller pushes out the paper completely until the end and the roller support drops the paper in the eject tray.

  • Page 51: Ink System

    4)waste ink absorber and 5)ink sequence. Out of these mechanism, from 1) to 4) are physical mechanism and parts which are mounted on the printer mechanism and 5) ink sequence is performed automatically by firmware. Also, unlike previous models, since...

  • Page 52: Pump, Carriage Lock, Head Cleaner Mechanism

    Chapter2 Operating Principles 2.1.1.4.1 Pump, Carriage Lock, Head Cleaner Mechanism In the Stylus Color 600, there is no switch or mechanism to change over the pump/paper feed mechanism. Therefore, whenever the paper feed/pump motor rotate, pump drive roller in the pump unit inside rotates. However, ink absorption/non ink absorption are separated by the roller rotational direction.
  • Page 53 PZT drive after the head surface is adhered to the cap. The next page explains cap mechanism and relation between printer operation and cap. 2-16...

  • Page 54: Cap Mechanism

    Chapter2 Operating Principles 2.1.1.4.2 Cap Mechanism In the cap mechanism, in order to prevent ink from being thickened on the head surface, it is controlled that the head surface stays adherent to the rubber frame of the cap surface when the power is off. The absorber is spread in the cap and can hold a certain amount of ink which is absorbed from the head without draining it to the waste ink pad.

  • Page 55: Electrical Circuit Operating Principles

    EPSON Stylus Color 600 2.2 Electrical Circuit Operating Principles Stylus Color 600 contains the following four electric circuit boards. C206 PSB/PSE board C200 Main board Head Driver board C206 PNL board C206 PSB/PSE, C200 board are explained in this section. The head drive board is installed in the head uniton the carriage.

  • Page 56: C206 Psb/Pse Power Board

    C206 PSB/PSE board is a power supply board with a RCC switching regulator, which generates +42VDC for drive part and +5VDC for logic part to drive the printer. One of the major characteristic of this board is that the same secondary switch is used as Stylus Color series printer. By using this switch, the following difference can be seen as superficial phenomena compared with products applied with primary switch method, such as Stylus Color IIs, II and Stylus 800/1000 series printer.
  • Page 57 Figure 2-18. C206 PSB/PSE Board Block Diagram The C206 PSB/PSE board has various control circuits to stop output if malfunction on the power supply board, on the main board or on the duty of printer mechanism happen. Following explains each control and protection circuits.

  • Page 58: C200 Main Board

    Various DC voltage generated on the C206 PSB/PSE board is added various signals in order to drive the printer function on the C200 main board, and the drive of CR/PF(Pump) motor and printing head is performed. This control board consists of system part and drive part. In the system part, there are...
  • Page 59 EPSON Stylus Color 600 Timer Data: Serial Data: Parallel I/F control: [Common Driver IC] The trapezoidal wave form circuit for head drive is became to HIC from the previous discreate structure. Because of this, it is not necessary to adjust the adjustable VR on the board during production process.

  • Page 60: Reset Circuits

    On the C200 main board, 2 ICs are mounted ; IC for monitoring the voltage level (logic line) and IC for monitoring the voltage level (power line) and both are monitored by the gate array and CPU.

  • Page 61: Sensor Circuits

    (Refer to section 2.1.1.3 for detail.) PE Sensor: A PE sensor determines if there is paper in the printer. Based on the (Photo) signal form this sensor, a particular paper edge treatment such as...

  • Page 62: Eeprom Control Circuits

    2.2.2.3 EEPROM Control Circuits The EEPROM of Stylus Color 600 has following contents. Gate array E05B43(IC2) controls operations of reading data when the power is on and writing data when the power is off. Ink consumption(Bk, CMY) CL counter(Various cleaning operations that are previously done are memorized) Destination information Information of various adjustment values(Bi-D, VH voltage, etc.) CPSI pass word...

  • Page 63: Timer Circuit

    2.2.2.4 Timer Circuit The lithium battery is mounted on the C200 main board and calculates how long the printer is not in used. The timer IC(IC10) starts counting with oscillation motivated by the CR3 using this battery as a power source.

  • Page 64: Print Head Control Circuit

    Enhanced Nozzle configuration (resolution in the vertical direction)90dpi (However, black nozzle is 2 lines structure) Also, Stylus Color 600 has Micro-dot control as dot shooting control. There are total three dot shooting controls on this printer. Normal Dot mode(Single Firing) •...
  • Page 65 EPSON Stylus Color 600 [Nozzle Selector Drive Circuit] In order to motivate the print head to carry out printing, it is necessary to transmit the print data to the appropriate nozzles, which becomes direct signals to drive PZT. This data transmission is performed by the serial transport method, however the data output for each black and CMY head is transmitted by the parallel method.
  • Page 66 Chapter2 Operating Principles After the data transmission by the nozzle selector(IR2C72C, IR2C73C) is completed and a certain time passes, trapezoidal wave form generated by the common drive circuit once sends electric current to the PZT for the proper nozzles which are determined in the nozzle selector circuit. This motivates PZT and ejects the ink in the cavity.

  • Page 67: Pf(Pump) Motor Drive Circuit

    EPSON Stylus Color 600 2.2.2.7 PF(Pump) Motor Drive Circuit IC15(UDN2917) is used for driving PF(Pump) motor. In the IC, Bi-pola drive PWM current control type is performed, making it possible to provide stable current to each phase of motor. Also, it makes possible to change over the reference voltage as drive current settings by making 3 combinations(100%,66% and 33%), using 4 current setting ports(input).

  • Page 68: Cr Motor Drive Circuit

    Chapter2 Operating Principles 2.2.2.8 CR Motor Drive Circuit In the CR motor, the same UPD2917(IC14) as the PF motor has used. In the IC, Bi-pola drive PWM current control type is performed, making it possible to provide stable current to each phase of motor. Also, it makes possible to change over the reference voltage as drive current settings by making 3 combinations(100%, 66% and 33%), using 4 current setting ports(input).
  • Page 69 3.1. OVERVIEW ...3-1 3.1.1. Precautions for Disassembling the Printer... 3-1 3.1.2. Specification for Screws... 3-2 3.1.3. Tools ... 3-2 3.1.4. Work Completion Check ... 3-3 3.2. DISASSEMBLY AND ASSEMBLY ...3-4 3.2.1. Housing Removal ... 3-5 3.2.2. Circuit Boards Removal... 3-6 3.2.3.

  • Page 70: Overview

    3.1 OVERVIEW This section describes procedures for disassembling the main components of EPSON Stylus Color 600. Unless otherwise specified, disassembly units or components can be reassembled by reversing the disassembly procedure. Therefore, no assembly procedures are included in this section. Precautions for any disassembly or assembly procedure are described under the heading “WORK POINT”.

  • Page 71: Specification For Screws

    Shape 3.1.3 Tools Table 3-2 lists the tools required for disassembling and assembling the printer. Use only specified tools to avoid damaging the printer. Name Philips Screw Driver (No.1) Philips Screw Driver (No.2) Tweezers Hexagonal Box Driver (5.5mm)

  • Page 72: Work Completion Check

    3.1.4 Work Completion Check If any service is made to the printer, use the check list shown below, to confirm that all works are completed properly and the printer is ready to return to the user. Category Item Self-Print Test...

  • Page 73: Disassembly And Assembly

    EPSON Stylus Color 600 Service Manual 3.2 DISASSEMBLY AND ASSEMBLY This section describes the step-by-step disassembly procedures shown in the diagram below. Figure 3-1. Disassembly Flow Rev. A...

  • Page 74: Housing Removal

    3.2.1 Housing Removal Since the EPSON Stylus Color 600 has no lower housing as previous EPSON printers, the printer mechanism can be taken out by only removing the upper housing. Open the printer cover and set the PG adjust lever on the right-hand side to (+) position.

  • Page 75: Circuit Boards Removal

    Therefore, first detach the metal chassis from the printer mechanism to remove the electric circuit boards. Remove the upper housing (Refer to section 3.2.1) Remove 5 screws (No.1 / three at the back of the printer mechanism and one each at both sides of the printer mechanism) Slightly pull out “SHIELD PLATE, M/B”...
  • Page 76 Chapter 3 Disassembly and Assembly Figure 3-4. Circuit Boards Removal REQUIRED ADJUSTMENT Be sure to perform the following adjustments when the C200 MAIN board is replaced: 1) VH Voltage value writing (Refer to Chapter 4 / Section 4.2.2.3.) 2) Printhead Angle Adjustment (Refer to Chapter 4 / Section 4.2.2.4.) 3) Bi-D Alignment Adjustment (Refer to Chapter 4 / Section 4.2.2.5.) Rev.

  • Page 77: Control Panel Removal

    Control Panel Removal 1. Remove the upper housing (Refer to Section 3.2.1) 2. Remove 2 screws (No.1) and remove the control panel assembly from the printer mechanism and disconnect the flat cable from the connector of the panel assembly. By removing the control panel assembly, the stacker assembly is also detached from the printer mechanism as it held by the control panel assembly.

  • Page 78: Waste Ink Pad Assembly Removal

    1. Removing the upper housing (Refer to section 3.2.1) 2. Removing the control panel assembly (Refer to section 3.2.3) 3. Remove 1 screw (No.4) at the right-hand side of the printer mechanism, that fixing “Waste Ink Pad Assembly”. 4. Remove “SPACER, TRAY” fixing “Waste Ink Pad Assembly” at the left-hand side of the printer mechanism and remove “Waste Ink Pad Assembly”...

  • Page 79: Disassembling The Printer Mechanism

    1. Removing the upper housing. (Refer to section 3.2.1) 2. Rotate “Gear, 67.2” (largest gear at the left-hand side of the printer mechanism) toward the front to disengage the carriage lock mechanism, and move the carriage assembly to the middle of the printer.
  • Page 80 Chapter 3 Disassembly and Assembly Figure 3-8. Printhead Unit Removal REQUIRED ADJUSTMENT When you remove or replace the printhead unit, be sure to perform the following adjustments: 1) Ink Initial Charge Operation (Refer to Chapter 4 / Section 4.2.2.2.) 2) VH Voltage Writing Operation (Refer to Chapter 4 / Section 4.2.2.3.) 3) Head Angle adjustment (Refer to Chapter 4 / Section 4.2.2.4.) 3-11 Rev.

  • Page 81: Pump Assembly And Cap Assembly Removal

    4. Loosen 2 screws (No.1) fixing the exit frame assembly and disengage the frame from the side frames. Then, put the printer mechanism on its back as you see the bottom of the mechanism. 5. At the right-hand of the mechanism, unhook the cap assembly by releasing one hook and take out the cap assembly by lifting up the right end of it.
  • Page 82 Chapter 3 Disassembly and Assembly Figure 3-10.Cap Assembly Removal Figure 3-11.Pump Assembly Removal 3-13 Rev. A...

  • Page 83: Cr Motor Assembly Removal

    1. Removing the upper housing. (Refer to section 3.2.1) 2. Rotate “Gear, 67.2” (largest gear at the left-hand side of the printer mechanism) toward the front to disengage the carriage lock mechanism, and move the carriage assembly to the middle of the printer.
  • Page 84 Chapter 3 Disassembly and Assembly Figure 3-13. CR Motor Removal 3-15 Rev. A...

  • Page 85: Pf Motor Assembly Removal

    EPSON Stylus Color 600 Service Manual 3.2.5.4 PF Motor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Removing “Waste Ink Pad Assembly”. (Refer to section 3.2.4) 3. By referring the figure below, remove the specified gears from the mechanism: “GEAR, 67.2”...
  • Page 86 Chapter 3 Disassembly and Assembly Figure 3-15. PF Motor and Frame 3-17 Rev. A...

  • Page 87: Asf Assembly Removal

    2. Remove the locking pin from center of “GEAR, 34” and remove “GEAR, 34” from the shaft. 3. Unhook the cables from the cable hook of the ASF and the printer mechanism. 4. Remove 2 screws (Refer to the figures) fixing the ASF and remove the ASF from the mechanism by detaching the projection of ASF (at left) from the hole of the mechanism.
  • Page 88 Chapter 3 Disassembly and Assembly Figure 3-16. ASF Assembly Removal 3-19 Rev. A...

  • Page 89: Asf Disassembly

    EPSON Stylus Color 600 Service Manual 3.2.5.5.1 ASF Disassembly 1. Removing the ASF. (Refer to section 3.2.5.5) 2. Remove “TWIST SPRING, 41.2” by unhooking one end from the ASF frame and remove “LEVER, BRAKE”. 3. Remove “BUSH, FIXING, SHAFT” from the right end of “SHAFT, ROLLER, LD” and remove “LEVER, HOPPER, RELEASE”.

  • Page 90: Pick-Up Roller Assembly Removal

    3.2.5.5.2 Pick-Up Roller Assembly Removal 1. Disassemble the ASF and separate “PICKUP, ROLLER ASSEMBLY” and “HOPPER, ASSEMBLY”. (Refer to section 3.2.5.5.1) 2. Remove “COMPRESSION SPRING, 1.66” from the back of “HOPPER, ASSEMBLY”. 3. Pull out the right cam part of “HOPPER, ASSEMBLY” though the hole of right frame of “PICKUP, ROLLER ASSEMBLY, RIGHT”.

  • Page 91: Carriage Assembly Removal

    EPSON Stylus Color 600 Service Manual 3.2.5.6 Carriage Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Push “HOLDER, PULLEY, DRIVEN” inward to loosen the timing belt and detach the timing belt from the drive pulley of CR Motor assembly.
  • Page 92 Chapter 3 Disassembly and Assembly Figure 3-20. Carriage Assembly Removal 3-23 Rev. A...

  • Page 93: Pf Roller Assembly Removal

    EPSON Stylus Color 600 Service Manual 3.2.5.7 PF Roller Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Removing the carriage assembly (Refer to section 3.2.5.6) 3. Remove 2 screws (No.1) at the top of mechanism and remove “GUIDE PLATE, CABLE”.
  • Page 94 Chapter 3 Disassembly and Assembly Figure 3-22. ROLLER, ASSEMBLY, PAPER EXIT Removal Figure 3-23. ROLLER, ASSEMBLY, PF Removal 3-25 Rev. A...

  • Page 95: Pe Sensor Assembly Removal

    EPSON Stylus Color 600 Service Manual 3.2.5.8 PE Sensor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. From the front side of the mechanism, unhook two hooks fixing “SENSOR, ASSEMBLY, PE” to the 3. mechanism. Then, slide it to upward to remove it. After removal, disassemble the assembly if necessary.

  • Page 96: Hp Sensor Assembly Removal

    Chapter 3 Disassembly and Assembly 3.2.5.9 HP Sensor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Detach the cable from the sensor and remove it by unhook it from the frame. Figure 3-25. HP Sensor Removal 3-27 Rev.
  • Page 97 4.1. OVERVIEW ...4-1 4.1.1. Required Adjustments ... 4-1 4.1.2. Tools Required for Adjustment ... 4-1 4.2. Adjustments...4-2 4.2.1. Paper Gap Adjustment... 4-2 4.2.2. Adjustment using Adjustment Program ... 4-4 4.2.2.1. Overview of Adjustment Program ... 4-4 4.2.2.2. Ink Charge Operation ... 4-5 4.2.2.3.

  • Page 98: Overview

    4.1.1 Required Adjustments Table 4-1 lists all the adjustments required with this printer. If any service listed in this table is carried out, all adjustments corresponding to that service should be performed to ensure proper operation of the printer. Performance Order...

  • Page 99: Adjustments

    The paper gap is a distance between nozzle surface of the printhead unit and a paper surface and is adjusted to specified gap at the assembly. Therefore, if the carriage assembly is removed from the printer mechanism for any reason, this adjustment should be made to fix the gap.
  • Page 100 Chapter 4 Adjustment Figure 4-1. Paper Gap Adjustment - Thickness Gauge Setting Figure 4-2. Paper Gap Adjustment - Adjustment Procedure Figure 4-3. “CLEANER, HEAD” Overlap Rev. A...

  • Page 101: Adjustment Using Adjustment Program

    EEPROM of the main control board as a compensation parameter for the mechanism control. Therefore, if the combination of printer mechanism and the main control board is changed, the printer should be adjusted using the adjustment program in order to maintain optimum performance of the printer.

  • Page 102: Ink Charge Operation

    8. When the main menu [SCREEN-4] appear on the screen, input “2” to select “Ink Charge” and press ENTER key. Then, the printer starts the ink charge operation. The ink charge operation takes long time to complete. Do not turn off the printer until it stops completely. (The POWER indicator blinks during the operation.) Rev.
  • Page 103 EPSON Stylus Color 600 Service Manual [SCREEN-1] ***** (CUSTOMER) ***** 1. 000:EUROPE 2. 010:USA 3. 020: RUSSIAN Select No.?_ [SCREEN-2] ***** INK Jig ***** 1. Jig 2. Cartridge Select No.?_ [SCREEN-3] ***** SETTING MENU ***** 1: (Production) 2: (Outgoing Inspection)

  • Page 104: Vh Setting

    Therefore, this ID code is need to be stored in EEPROM on the main board when the following service is made and the printer read this information to compensate the difference of characteristic for printing control and an amount of injected in k is maintained at the specified level.
  • Page 105 EPSON Stylus Color 600 Service Manual [SCREEN-4] MAIN MENU for Production 1. VH Setting 2. Ink Charge 3. Angular Adjust Print K. Angular Adjust Setting 4. Bi-d Adjust P. Printing Inspection (GOS) L. Printing Inspection (S/F) M. Printing Inspection (Envelope) CL.Cleaning...

  • Page 106: Head Angular Adjustment

    If the position of MAGENTA lines are incorrect, input “K” at the main menu and the carriage assembly moves to the middle of the printer. Then, loosen a screw (No.3) fixing “FASTNER, HEAD” and shift the position of angular adjust level located at the right bottom of the carriage assembly to either forward (move MAGENTA line to down) or backward (move MAGENTA line to up).
  • Page 107 EPSON Stylus Color 600 Service Manual [SCREEN-4] MAIN MENU for Production 1. VH Setting 2. Ink Charge 3. Angular Adjust Print K. Angular Adjust Setting 4. Bi-d Adjust P. Printing Inspection (GOS) L. Printing Inspection (S/F) M. Printing Inspection (Envelope) CL.Cleaning...

  • Page 108: Bi-D Alignment Adjustment

    The values defined with this adjustment are stored in EEPROM on the main board. 1. If the printer mechanism is replaced, the ink charge operation and the VH Setting operation should be performed prior to this adjustment. (Refer to section 4.2.2.2 and 4.2.2.3) 2.
  • Page 109 EPSON Stylus Color 600 Service Manual [SCREEN-4] MAIN MENU for Production 1. VH Setting 2. Ink Charge 3. Angular Adjust Print K. Angular Adjust Setting 4. Bi-d Adjust P. Printing Inspection (GOS) L. Printing Inspection (S/F) M. Printing Inspection (Envelope) CL.Cleaning...
  • Page 110 5.1 Troubleshooting ...5-1 5.2 Unit Level Troubleshooting ...5-3 5.2.1 Printer does not operate at power on ... 5-4 5.2.2 Error is detected... 5-5 5.2.3 Failure occurs during printing ... 5-6 5.2.4 Printer does not feed the paper correctly ... 5-7 5.2.5 Control panel operation is abnormal ...

  • Page 111: Troubleshooting

    Troubleshooting The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. The following flowchart illustrates the main steps of the trouble shooting process. Figure 5-1. Troubleshooting Process Flowchart Table 5-1.Motor Resistance and Measurement Procedure...
  • Page 112 Stylus Color 600 Service Manual Table 5-3. Printer Condition and Panel Status Error status Power Paper Out Paper jam condition No Ink cartridge or Ink end(black) No Ink cartridge or Ink end(color) Maintenance request Blink Fatal error Blink Indicators Ink Out...

  • Page 113: Unit Level Troubleshooting

    When a problem occurs, you can identify the defective unit according to the symptoms exhibited. The table below lists the symptoms of certain problems. Once the problem is identified, refer to the flowchart that corresponds to the problem. Symptom Printer does not operate at power on Error is detected Failure occurs during printing...

  • Page 114: Printer Does Not Operate At Power On

    Stylus Color 600 Service Manual 5.2.1 Printer does not operate at power on Figure 5-2. Flow Chart 1 Rev. A...

  • Page 115: Error Is Detected

    Chapter 5 Troubleshooting 5.2.2 Error is detected Figure 5-3. Flow Chart 2 Rev. A...

  • Page 116: Failure Occurs During Printing

    Stylus Color 600 Service Manual 5.2.3 Failure occurs during printing Figure 5-4. Flow Chart 3 Rev. A...

  • Page 117: Printer Does Not Feed The Paper Correctly

    Chapter 5 Troubleshooting 5.2.4 Printer does not feed the paper correctly Figure 5-5. Flow Chart 4 Rev. A...

  • Page 118: Control Panel Operation Is Abnormal

    Stylus Color 600 Service Manual 5.2.5 Control panel operation is abnormal Figure 5-6. Flow Chart 5 Rev. A...

  • Page 119: Unit Repair C206 Psb/Pse Board

    The checkpoints refer to waveforms, resistance, and other values to be checked to evaluate the operation of each component. Table 5-5.C206PSB Power Supply Board Symptom Condition The printer +42V line is does not dead. operate at all.
  • Page 120 Stylus Color 600 Service Manual Table 5-6. C206PSB Power Supply Board (Con.) Symptom Condition +5V line is dead. 5-10 Cause Checkpoint IC51 (L4962E) is Check the oscillation(5 dead. -pin) and switching (7- pin) waveform of IC51. (5-pin) (7-pin) Solution Replace IC51.

  • Page 121: Unit Repair - C200 Main Board

    The check points refer to waveforms, resistance, and other values to be checked to evaluate the operation of each component. Symptom Condition The printer CPU does does not not operate. operate at all.
  • Page 122 Stylus Color 600 Service Manual Table 5-8. Repair of the C200 Main Board(Con.) Symptom Condition Printing is Printing is not abnormal. execute. Paper feed Paper feed operation is motor does not abnormal. work. 5-12 Table 5-7. Repair of the C200 Main Board Cause IC7 is dead.

  • Page 123: Repair Of The Printer Mechanism

    5.4 Repair of the Printer Mechanism This section provides instruction for repairing the printer mechanism. It describes various problems, symptom, likely causes, checkpoints, and solutions. Select appropriate symptom from the table and check each parts and its function as described in the checkpoint.
  • Page 124 Stylus Color 600 Service Manual Table 5-10. Repair of the Printer Mechanism (Con.) Symptom Condition Abnormal printing Only a particular causes abnormal printing. A dot is not printed occasionally. Black specks or dots. A vertical line is not aligned. White line appears in the image data.
  • Page 125 Table 5-11. Repair of the Printer Mechanism (Con.) Symptom Condition Abnormal paper Paper is not fed. feeding. Printer stops during Fatal error appears. ASF sensor is initialization. Rev. A Causes Checkpoint Friction of the PF Check if the PF roller.
  • Page 126 Chapter 6 Maintenance 6.1 OVERVIEW ...6-1 6.1.1 Cleaning... 6-1 6.1.2 Service Maintenance ... 6-1 6.1.3 Lubrication ... 6-2...

  • Page 127: Service Maintenance

    Since the printer consumes the ink, not only for printing but also for another operation like cleaning, certain amount of ink are wasted. Therefore, the printer counts the amount of waste ink and they are collected at the waste ink pad, and once the amount of waste ink reaches the predefined limit, the printer indicates “MAINTENANCE ERROR”...
  • Page 128 6.1.3 Lubrication The type and amount of oil and grease used on this printer are determined based on the results of internal evaluations. Therefore, specified type and amount of oil and grease must be applied at specified part of the printer mechanism when servicing the printer.
  • Page 129 Standard <Lubrication Point> The shaft for “GEAR, 16, 40.8” at “FRAME, LEFT” <Lubricant Type> G-26 <Lubrication Amount> Approx. 5mm long <Lubrication Point> Bush for “ROLER, PF” 1) Left: Inside the bush 2) Right: Inside the bush (near the pump assembly) <Lubricant Type>...
  • Page 130 EPSON Stylus Color 600 Service Manual Standard <Lubrication Point> A round hole of the left frame of ASF (“GEAR, 34” is inserting to this hole) <Lubricant Type> G-26 <Lubrication Amount> Evenly apply inside the hole <Lubrication Point> Oil pad of carriage assembly <Lubricant Type>...
  • Page 131 Chapter 6 Maintenance No.2 10mm No.1 "GEAR, 34" No.3 No.11 Rev. A...
  • Page 132 EPSON Stylus Color 600 Service Manual No.5 No.4 "GEAR, 23.2" "GEAR, 16, 40.8" No.4 "GEAR, 67.2" No.4 "COMBINATION GEAR, 8, 14.4" No.6 No.7 Rev. A...
  • Page 133 Chapter 6 Maintenance "HOLDER, PULLEY, DRIVEN" No.8 "HOPPER, ASSEMBLY" No.10 "FRAME, ASF" No.9 Rev. A...
  • Page 134 Appendix A.1 Connector Summary ... A-1 A.2 Connector Summary ... A-2 A.3 EEPROM Address Map ... A-4 A.4 Circuit Board Component Layouts ... A-8 A.5 Exploded Diagrams... A-13 A.6 Circuit Diagrams ... A-18...
  • Page 135 EPSON Stylus Color 600 Service Manual A.1 Connector Summary Stylus Color 400 has the following primary component units; •œ Main Board(C206 Main) •œ Power Supply Board (C206 PSB/PSE) •œ Printer Mechanism Figure A-1 below illustrates how these component units are connected.
  • Page 136 Appendix A.2 Connector Summary Following tables show connector pin assignment of the C200 main board. Table A-1. Connector summary of the C206 Main board Connector Parallel I/F connector Serial I/F connector •ËControl panel •ËPE sensor •ËHP sensor •ËCR motor •ËPF motor •ËPrint head •ËPower supply board (C206 PSB) CN10...
  • Page 137 EPSON Stylus Color600 Service Manual Signal Name Signal Name Signal Name +42V +42V Signal Name ASFV Rev.A Table A-6. Connector CN7 PF-A PF-B Table A-7. Connector CN8 NCHG GND2 GND2 GND2 Table A-8. Connector CN10 ---- Table A-9. Connector CN11...
  • Page 138 Appendix A.3 EEPROM Address Map Address Explanation Password 0 Market 1st dot adjustment Bi-D adjustment data Uni-D adjustment Reserved Reserved Carriage speed adjustment data Reserved Head actuator rank ID for Head actuator rank ID for Twhs Reserved Reserved Reserved Reserved Password 1 Custom EEPROM sub number...
  • Page 139 EPSON Stylus Color600 Service Manual Address Explanation Interface wait time Parallel I/F speed Reserved Reserved Print direction control CG table Reserved Auto LF/Network I/F mode Panel mask function Reserved Reserved Reserved Reserved Password 3 Reserved Reserved Top margin Reserved Reserved...
  • Page 140 Appendix Address Explanation Ink Counter Cb(total) 1count=100(ng) Ink counter CY(total) 1count=100(ng) Ink counter Cy(total) 1count=100(ng) Password 5 Ink counter Cc(total) 1count=100(ng) Ink counter Csm(total) 1count=100(ng) Ink counter Csc(total) 1count=100(ng) Reserved Reserved Password 6 Ink counter Rb Ink counter Ry Ink counter A power off time CL time accumulated printing time...
  • Page 141 EPSON Stylus Color600 Service Manual Address Explanation customized model name Rev.A Setting string of counter strings of model field for Device QPIT Factory settings settings...
  • Page 142 EPSON Stylus Color 600 A.4 Circuit Board Component Layouts Figure A-2. C200 Main Board Component Layout Rev.A...
  • Page 143 Appendix Figure A-4. C206 PSE Board Component Layout A-10 Rev. A...
  • Page 144 EPSON Stylus Color600 Service Manual Figure A-5. C206 PNL Component Layout A-11 Rev.A...
  • Page 148 STYLUS COLOR 600 PARTS PRICE LIST COUNTRY: USA Release Date: 5/18/98 EPSON PartFinder Version: 04 EPSON AMERICA, INC. CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE...
  • Page 149 STYLUS COLOR 600 Unit Price 22.02 0.25 14.10 2.10 2.10 0.70 27.78 14.00 14.00 1.10 2.10 2.10 0.50 4.40 2.10 0.60 0.70 0.50 11.28 0.27 0.27 0.50 0.27 0.27 0.40 19.86 EPSON PartFinder Version: 04 Country: Remarks Type - 1 -...
  • Page 150 Section: CONTROL CIRCUIT BOAR --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Ref. No. Part No. Description --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2024195 BOARD ASSY,PHOTO EX Release Data: 5/18/98 Model: STYLUS COLOR 600 Unit Price 225.00 EPSON PartFinder Version: 04 Country: Remarks Type WITHOUT ICI3 - 2 -...
  • Page 151 Section: PS BLOCK --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Ref. No. Part No. Description --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2023062 POWER SPLY,STYLUS400/600/PHOTO 2023064 POWER SPLY220/240V,STY400/600/PHOTO Release Data: 5/18/98 Model: STYLUS COLOR 600 Unit Price 132.30 132.30 EPSON PartFinder Version: 04 Country: Remarks Type - 3 -...
  • Page 152 POWER CABLE ASSY. STANDARD U.S. CAB 2018055 POWER CABLE ASSY. NON U.S. CABLE 2018028 HARNESS Release Data: 5/18/98 Model: STYLUS COLOR 600 Unit Price 6.48 24.96 44.51 40.38 42.63 42.63 15.12 15.12 13.08 EPSON PartFinder Version: 04 Country: Remarks Type FOR EHK - 4 -...
  • Page 153 186.98 3.28 12.32 1.10 0.70 7.60 8.80 1.10 0.60 0.70 1.40 1.40 0.40 6.48 14.00 38.34 5.44 3.80 0.70 0.70 6.80 3.40 47.64 53.82 13.62 27.36 EPSON PartFinder Version: 04 Country: Remarks Type WITHOUT 515 PRINT HE - 5 -...
  • Page 154 0.50 0.70 5.28 0.70 0.70 1.10 3.10 1.10 0.50 0.50 0.50 0.70 0.40 0.70 0.40 0.25 0.25 0.65 0.27 0.27 0.80 0.40 0.25 0.25 0.25 1.10 7.60 7.60 0.50 2.60 EPSON PartFinder Version: 04 Country: Remarks Type - 6 -...
  • Page 155 7.60 3.40 1.10 1.10 0.25 6.80 12.78 0.70 3.52 9.92 9.92 9.92 7.60 11.28 2.10 2.10 1.10 1.40 2.10 0.70 4.64 13.20 0.50 1.10 1.10 4.40 0.65 0.60 1.40 0.50 EPSON PartFinder Version: 04 Country: Remarks Type - 7 -...
  • Page 156 PAD,BREAK,EDGE GUIDE 1034888 HOLDING SPRING,SPUR GEAR,34 Release Data: 5/18/98 Model: STYLUS COLOR 600 Unit Price 0.60 0.25 0.70 0.25 0.25 1.10 0.70 0.50 0.60 0.25 1.10 0.43 0.25 3.10 3.10 0.60 EPSON PartFinder Version: 04 Country: Remarks Type - 8 -...
  • Page 157 STYLUS CLR400 OUTER CARTON 5005705 PAD SET,PRINTER 5005710 PAD,ACCESSORY 5005889 PAD,STACKER X680634010 PLASTIC PROTECTIVE BAG Release Data: 5/18/98 Model: STYLUS COLOR 600 Unit Price 5.91 5.91 5.91 5.91 14.80 8.24 3.10 0.25 0.27 EPSON PartFinder Version: 04 Country: Remarks Type - 9 -...

  • Page 158: Operator Panel

    SHIFT LEVER MOTOR POWER SUPPLY TEST POINTS CN10 +42VDC +42VDC +5VDC EPSON AMERICA, INC. DRAWING NAME Stylus Color 600 Functional Diagram DRAW N BY R. Bohn SEE BELOW FOR PS TEST POINTS PARALLEL I/O G G N N D D...
  • Page 159 EPSON OVERSEAS MARKETING LOCATIONS EPSON AMERICA, Inc. 20770 Madrona Avenue, P.O. Box 2842 Torrance, CA 90509-2842 Phone: (800)922-8911 Fax: (310)782-5220 EPSON UK LTD. Campus 100, Maylands Avenue, Hemel Hempstead, Herts, HP2 7TJ U.K. Phone: (+44)01442-61144 Fax: (+44)01442-227227 EPSON IBERICA, S.A.
  • Page 160 EPSON SEIKO EPSON CORPORATION...

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