Epson Stylus COLOR 760 Service Manual
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Epson Stylus COLOR 760 Service Manual

Color ink jet printer
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SERVICE MANUAL

Color ink jet printer
EPSON Stylus COLOR 760
®
SEIJ99004

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Summary of Contents for Epson Stylus COLOR 760

  • Page 1: Service Manual

    SERVICE MANUAL Color ink jet printer EPSON Stylus COLOR 760 ® SEIJ99004...
  • Page 2 The contents of this manual are subject to change without notice. n 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 PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the EPSON Stylus COLOR 760. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
  • Page 5 EPSON Stylus COLOR 760 Revision C Revision Status Revision Issued Date Description August 17, 1999 First Release Second release October 5, 1999 Change has been made due to overall review of the manual. Third Release Change has been made due to overall review of the manual.

  • Page 6: Table Of Contents

    EPSON Stylus COLOR 760 Revision C PRODUCT DESCRIPTION Envelopes ....................... 23 INK CARTRIDGE ..................24 FEATURES ....................7 Black Ink Cartridge .................... 24 SPECIFICATIONS ..................8 Color Ink Cartridge ..................... 24 Physical Specification ................... 8 Printing Specification ................... 8 Operating Principles Paper Feeding .......................
  • Page 7 EPSON Stylus COLOR 760 Revision C Disassembly and Assembly Head Angular Adjustment ................123 Bi-D Adjustment ..................126 Overview ...................... 73 USB ID input ....................129 Initial Ink Charge Operation ................ 133 Precautions for Disassembling the Printer ............73 Tools ........................74 Head Cleaning Operation ................
  • Page 8 C H A P T E R PRODUCT DESCRIPTION...

  • Page 9: Product Description

    EPSON Stylus COLOR 760 Revision C 1.1 FEATURES The major features of EPSON color inkjet printer Stylus COLOR 760 are: High Color Print Quality 1440 (H) X 720 (V) dpi printing Four Color Printing (YMCK) Traditional and New Microweave Built-in Auto Sheet Feeder...

  • Page 10: Specifications

    EPSON Stylus COLOR 760 Revision C 1.2 SPECIFICATIONS Control Code ESC/P Raster command This section covers specifications of the printer. EPSON Remote command Character Tables 1.2.1 Physical Specification Two international character sets: Weight: 6.0kg (excluding ink cartridges) - PC 437 (US, Standard Europe)

  • Page 11: Electric Specification

    EPSON Stylus COLOR 760 Revision C 1.2.5 Electric Specification [120V Version] Rated Voltage: AC120V Input Voltage Range: AC99 132V Rated Frequency Range: 50 60Hz Input Frequency Range: 49.5 60.5Hz Rated Current: 0.4A Power Consumption: Approx. 18W (ISO10561 Letter Pattern) Approx. 3.5W in standby mode...

  • Page 12: Environmental Condition

    EPSON Stylus COLOR 760 Revision C 1.2.6 Environmental Condition 1.2.7 Reliability Temperature Total Print Volume: 75,000 pages (A4, Letter) Operating: 10 to 35 C (see the figure below for condition) Print Head Life: 3 billion dots/nozzle Non-operating: -20 to 60 C (with shipment container) 1 month at 40 C and 120 hours at 60 C 1.2.8 Safety Approvals...

  • Page 13: Interface

    EPSON Stylus COLOR 760 Revision C 1.3 INTERFACE DATA data byte n data byte n+1 This printer provides USB and parallel interface as standard. hold -STROBE 1.3.1 Parallel Interface (Forward Channel) next setup Transmission Mode: 8 bit parallel, IEEE-1284 compatibility mode...
  • Page 14 EPSON Stylus COLOR 760 Revision C Table 1-4. Typical Time of tack Table 1-6. Connector Pin Assignment and Signals Parallel I/F Mode Typical Time of tack Signal Return Pin No. In/Out Functional Description Name GND Pin High Speed The strobe pulse. Read-in of data is...
  • Page 15 EPSON Stylus COLOR 760 Revision C Table 1-6. Connector Pin Assignment and Signals (continued) Signal Return Pin No. In/Out Functional Description Name GND Pin Pulled up to +5V via 3.9K ohm Logic H resistor. Pulled up to +5V via 3.3K ohm resistor.

  • Page 16: Parallel Interface (Reserve Channel)

    EPSON Stylus COLOR 760 Revision C 1.3.2 Parallel Interface (Reserve Channel) Table 1-7. Connector Pin Assignment and Signals (continued) Signal Return Transmission Mode: IEEE-1284 nibble mode Pin No. In/Out Functional Description Name GND Pin Adaptable Connector See forward channel. Synchronization:...

  • Page 17: Usb Interface

    EPSON Stylus COLOR 760 Revision C Device ID: 1.3.3 USB Interface The printer sends the following device ID string when it is requested. Standard: Based on: “Universal Serial Bus Specifications Rev. 1.0” When IEEE1284.4 is enabled, “Universal Serial Bus Device Class Definition [00H] [5AH] for Printing Devices Version 1.0”...

  • Page 18: Preventing Data Transfer Time-Out Of Hosts

    EPSON Stylus COLOR 760 Revision C 1.3.4 Preventing Data Transfer Time-out of Hosts Automatic Selection An initial state is compatible interface and starts IEEE1284.4 Generally, hosts abandon data transfer to peripherals when a peripheral is in communication when magic strings (1284.4 synchronous commands) are the busy state for dozens of seconds continuously.

  • Page 19: Operator Controls

    EPSON Stylus COLOR 760 Revision C 1.4 OPERATOR CONTROLS 1.4.2.2 Indicators (1) Power Lights when the operating switch is “ON” and AC power is supplied. 1.4.1 Operating Switch (2) Paper Out Operating switch is located on the control panel. Lights during the paper-out condition, and blinks during the paper-jam condition.

  • Page 20: Panel Functions

    EPSON Stylus COLOR 760 Revision C 1.4.3 Panel Functions Table 1-10. Panel Function with Power On Switch Pressing with Power On Function Table 1-9. Panel Functions • 1) Starts status printing. *1 Load / Eject Switch Function • Changes code pages / Select IEEE1284.4 Cleaning mode for parallel I/F.

  • Page 21: Printer Condition And Panel Status

    EPSON Stylus COLOR 760 Revision C 1.4.4 Printer Condition and Panel Status 1.4.5 Printer Initialization There are three kinds of initialization methods, and the following explains each Table 1-12. Printer Condition and LED Status initialization. Indicators 1. Power-on Initialization Printer Status...

  • Page 22: Errors

    EPSON Stylus COLOR 760 Revision C 1.4.6 Errors Ink Out When the printer runs out most of the ink of any color, it warns ink-low and keeps printing. When the printer runs out the whole ink of any color, it stops printing and indicates ink-out error.

  • Page 23: Paper

    EPSON Stylus COLOR 760 Revision C 1.5 PAPER [Thickness] 0.075mm (0.003”) - 0.085mm (0.0033”) 1.5.1 Paper Handling *Transparency printing is available only at normal temperature. Do not perform reverse feed more than 9.5mm (0.38”). 1.5.2.3 Envelope [Size] 1.5.2 Paper Specification No.10:...

  • Page 24: Printing Area

    EPSON Stylus COLOR 760 Revision C 1.5.3 Printing Area Table 1-13. Character Mode Paper Left Margin Right Margin Top Margin Bottom Margin 1.5.3.1 Cut Sheet Size (min.) (min.) (min.) (min.) See the figure below and tables on the right for printable areas for Raster 14mm (0.54”) /3mm...

  • Page 25: Envelopes

    EPSON Stylus COLOR 760 Revision C 1.5.3.2 Envelopes Printable Area Figure 1-6. Printable Area for Envelopes Table 1-15. Envelope Margin Left Margin Right Margin Top Margin Bottom Margin Size (min.) (min.) (min.) (min.) 3 mm (0.12”) 28 mm (1.10”) 3 mm (0.12”) 14 mm (0.55”)

  • Page 26: Ink Cartridge

    EPSON Stylus COLOR 760 Revision C 1.6 INK CARTRIDGE 1.6.2 Color Ink Cartridge Type: Exclusive Cartridge Color: Magenta, Cyan, Yellow 1.6.1 Black Ink Cartridge Print Capacity: 300 pages / A4 (360 dpi, 5% duty each color) Ink Life: 2 years from date of production...

  • Page 27: Operating Principles

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

  • Page 28: Overview

    ASF Sensor 2.1.1 Printer Mechanism Detector Wheel PF Motor Unlike other EPSON ink jet printers, the Stylus COLOR 760 uses DC motor for power source. Use of the DC motor enable the printer to lower noise during Flashing Window (80th column) printing to a great extent.

  • Page 29: Printing Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.1 Printing Mechanism The basic operating principles of the printhead, which plays a major role in printing, are the same as previous models; ones that use a on-demand type U- CHIP head method. (Refer to Figure1-1.)

  • Page 30: Printing Process

    EPSON Stylus COLOR 760 Revision C 2.1.1.2 Printing Process Figure 2-3 and Figure 2-4 show the normal state and ejecting state of the printhead, respectively. Ink Course Cavity 1. Normal State: When the print signal is not output, PTZ also does not move from a waiting state (normal state).

  • Page 31: Carriage Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.3 Carriage Mechanism The printhead, a core of the printing mechanism, is stored in the carriage unit. When the adjustment lever is moved up and down, this printhead is maintained The carriage mechanism for the Stylus COLOR 760 is mostly the same as for tilt in a flexible and adjustable structure by the tilt adjustment mechanism.

  • Page 32: Platen Gap (Pg) Adjust Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.4 Platen Gap (PG) Adjust Mechanism 2.1.1.5 Paper Feeding Mechanism The PG adjustment, at the right of the printer mechanism, consists of the PG The paper feeding mechanism transports paper loaded from ASF using the PF lever, PG support lever, right/left parallelism adjustment levers, and CR guide rollers and paper eject rollers.
  • Page 33 EPSON Stylus COLOR 760 Revision C Loop Scale PF Roller Spur Gear 76 [Previous Models] Support Roller Printhead Star Wheel Assy. Paper Spur Gear 28 PF Roller Paper Eject Roller Star Wheel Assy. Eject Roller Bottom margin 3 mm touches...

  • Page 34: Cr Lock Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.6 CR Lock Mechanism If the carriage is left uncapped for a long time, ink on its surface will become gradually thick and not spurt from the nozzles as a result. To make matters...

  • Page 35: Paper Loading Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.7 Paper Loading Mechanism The paper loading mechanism loads paper at the ASF unit and feeds paper to When the PF motor torque is switched to the ASF unit side by the disengage the PF rollers. The ASF unit, the same as in the Stylus COLOR 440/640/740, mechanism, the function of the ASF mechanism varies depending on the uses a DC PF motor.
  • Page 36 EPSON Stylus COLOR 760 Revision C 1. When the printer power is turned on, the PFmotor rotates counterclockwise to detect ASF home position. Then the motor rotates clockwise specified Torque sent from the PF motor to the ASF unit via the disengage mechanism is steps to set the LD roller and paper turn lever in place.

  • Page 37: Pump Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.8 Pump Mechanism Figure 2-11 show you the pump disengagement mechanism. The pump mechanism absorbs ink from the printhead or the cap assembly. The wiper for head cleaning is attached in the cap assembly. The pump mechanism is driven by the DC PF motor.
  • Page 38 EPSON Stylus COLOR 760 Revision C When the PF motor torque is switched to the pump unit side by the disengage mechanism, the function of the pump mechanism varies depending on the rotational direction of the motor, as shown in the table below.

  • Page 39: Capping Mechanism

    EPSON Stylus COLOR 760 Revision C 2.1.1.9 Capping Mechanism The capping mechanism, which is driven by the pump unit, caps the printhead For a specific feature of the Stylus COLOR 760, it has a newly designed closely to maintain air tightness of the cap. This operation is required to valveless capping mechanism instead of other printers’...

  • Page 40: Electrical Circuit Operating Principles

    EPSON Stylus COLOR 760 Revision C 2.2 Electrical Circuit Operating Principles The electric circuit of the Stylus COLOR 760 is composed of the following boards. Main board: C298MAIN Board Power supply board: C298PSB/PSE Board Panel board: C298PNL Refer to Figure 2-15 for the major connection of the three boards and their roles.

  • Page 41: C298Psb/Pse Board

    EPSON Stylus COLOR 760 Revision C 2.2.1 C298PSB/PSE Board Table 2-8. Application of the DC Voltages Voltage Application The Stylus COLOR 760 are equipped with the C298PSB/PSE, the common power supply board for the both products. The basic structure of the circuit is...
  • Page 42 EPSON Stylus COLOR 760 Revision C 1. Regardless of the state of the power switch (On or OFF), the voltage is +5V line over voltage protection circuit: always applied to the primary side of the power supply board from the This protection circuit is in the same line as the +42V over voltage moment or at the state that AC-plug is plugged in.

  • Page 43: C298Main Board

    EPSON Stylus COLOR 760 Revision C 2.2.2 C298MAIN Board The logic circuit of the C298MAIN is composed of the following: Logic line (CPU, ASIC, DRAM, EEPROM, and so on) Various motor control/driver circuits (CR motor, PF motor ) Head control/driver circuits...
  • Page 44 EPSON Stylus COLOR 760 Revision C Table 2-10 shows the functions of the CPU, ASIC, and slave CPU. Table 2-10. Functions of the CPUs and ASIC Location Function • Measures the printhead temperature. IC20 • Several interrupting functions • Outputs the system clock signal.

  • Page 45: Printhead Driver Circuit

    The printhead driver circuit consists of the following two components: Common driver IC (IC10: E09A14RA) directly attached to the C298MAIN board. Nozzle selector IC (Sharp IR2C95F or EPSON SED6125T0A) on the head board. The common driver (IC10: E09A14RA) generates a reference drive waveform according to the output signals from the C298MAIN board.

  • Page 46: Reset Circuit

    EPSON Stylus COLOR 760 Revision C 2.2.2.2 Reset Circuit Reset circuits are attached on the C298MAIN board to monitor the two voltages: +5V for the logic line and +42V for the drive line. When each circuit detects abnormality on the corresponding line, it outputs a reset signal to reset CPU and ASIC.

  • Page 47: Cr Motor Driver Circuit

    EPSON Stylus COLOR 760 Revision C 2.2.2.3 CR Motor Driver Circuit Unlike a stepping motor, the DC motor that drives the carriage can not detect the current carriage position by referring to the pulses given. For this The Stylus COLOR 760 is equipped with a DC motor for the CR motor. In...
  • Page 48 EPSON Stylus COLOR 760 Revision C Home position detection (capping position detection) Home position is detected based on the pulses output from the linear scale 1/180 inches sensor and CD motor control current value. The basic home position detection sequence is as described below: 1)The linear encoder pulse counter in the IC15 slave CPU is reset during a power-on sequence.

  • Page 49: Pf Motor Driver Circuit

    EPSON Stylus COLOR 760 Revision C 2.2.2.4 PF Motor Driver Circuit Unlike a stepping motor, the DC motor that drives the PF motor can not detect a paper feeding amount by referring to the pulses given. For this reason, a loop TheStylus COLOR 760 is equipped with a DC motor for the PF motor.

  • Page 50: Eeprom Control Circuit

    EPSON Stylus COLOR 760 Revision C 2.2.2.5 EEPROM Control Circuit Since EEPROM is nonvolatile memory, it keeps written information if the printer power is turned off. Information stored in EEPROM is various adjustment values, factory values, and printer status values. See Appendix for EEPROM Address Map that provides detailed information on the values stored in EEPROM.

  • Page 51: Sensor Circuit

    EPSON Stylus COLOR 760 Revision C 2.2.2.6 Sensor Circuit Function and detection method of each sensor is as described below. I/C detection sensor (for black I/C and color I/C) The Stylus COLOR 760 is equipped with the following five sensors to detect The I/C detection sensor included in the CR unit determines whether a the status of the printer.
  • Page 52 EPSON Stylus COLOR 760 Revision C CR unit encoder sensor CR unit encoder sensor includes the linear encoder in the CR unit and the scale plate attached along the CR scanning direction. This encoder sensor outputs two kinds of output pluses Phase A and Phase B, and the minimum resolution of the sensor is 1/720 inches.

  • Page 53: Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 54: Overview

    EPSON Stylus COLOR 760 Revision C 3.1 Overview Following sections show detailed information on each step in the flowchart. Be sure to perform troubleshooting without neglecting the correct order specified in each section. This chapter describes how to troubleshoot problems. It consists of the sections shown in the flowchart below.

  • Page 55: Troubleshooting With Led Error Indications

    EPSON Stylus COLOR 760 Revision C 3.1.1 Troubleshooting with LED Error Indications This section describes how to troubleshoot the problem when the printer indicates an error at power on and can not print. The Stylus COLOR 760 can detect the following six errors & seven status, and indicates them with the LEDs, as shown below.
  • Page 56 EPSON Stylus COLOR 760 Revision C See the following tables which show the error conditions and corresponding possible causes. Table 3-5. Error Condition and the Possible Causes (continued) Error Condition Possible Causes Table 3-4. Error Condition and the Possible Causes 1.

  • Page 57: Remedies For Paper Out Error

    EPSON Stylus COLOR 760 Revision C 3.1.1.1 Remedies for Paper Out Error Table 3-6. Remedies for Paper Out Error This section provides check points and corresponding actions which are Step Detail Phenomenon Check & Actions necessary when the Paper Out Error problem has occurred because of...
  • Page 58 EPSON Stylus COLOR 760 Revision C Table 3-6. Remedies for Paper Out Error Step Detail Phenomenon Check & Actions When the Paper Feed Check if the PE sensor is defective. SW is pressed, the Measure the voltage at the yellow 3-pin connector...

  • Page 59: Remedies For The Paper Jam Error

    EPSON Stylus COLOR 760 Revision C 3.1.1.2 Remedies for the Paper Jam Error Table 3-7. Remedies for Paper Jam Error Step Detail Phenomenon Check & Actions This section includes the check points and corresponding actions which When the Paper is...

  • Page 60: Remedies For No I/C And Ink Out Errors

    EPSON Stylus COLOR 760 Revision C 3.1.1.3 Remedies for No I/C and Ink Out Errors Table 3-8. Remedies for No I/C and Ink Out Errors This section includes the check points and corresponding actions which are necessary when the black ink (or color ink) LED comes on or blinks...
  • Page 61 EPSON Stylus COLOR 760 Revision C Table 3-8. Remedies for No I/C and Ink Out Errors (continued) Table 3-8. Remedies for No I/C and Ink Out Errors (continued) Step Detail Phenomenon Check & Actions Step Detail Phenomenon Check & Actions...

  • Page 62: Remedies For The Maintenance Error

    EPSON Stylus COLOR 760 Revision C 3.1.1.4 Remedies for the Maintenance Error While the printer is in this error condition, it disables all operations including data communication except for the panel operation specified to clear the error. Therefore, follow the steps described in Table 3-9 to solve the problem.

  • Page 63: Remedies For Fatal Error

    EPSON Stylus COLOR 760 Revision C 3.1.1.5 Remedies for Fatal Error Table 3-10. Remedies for Fatal Error (continued) Step Detail Phenomenon Check & Actions A fatal error is basically caused by any of the following conditions: When the Printer is...
  • Page 64 EPSON Stylus COLOR 760 Revision C Table 3-10. Remedies for Fatal Error (continued) Table 3-10. Remedies for Fatal Error (continued) Step Detail Phenomenon Check & Actions Step Detail Phenomenon Check & Actions • Check for the correct waveform at 5 pins of FFC.

  • Page 65: Isolating The Faulty Part On The Power Supply Board

    EPSON Stylus COLOR 760 Revision C 3.1.2 Isolating the Faulty Part on the Power Supply Board This section explains how to troubleshoot the following problems: Table 3-11. Isolating the Faulty Part on the Power Supply Board o The printer is turned on, but the initialization is not performed and...
  • Page 66 EPSON Stylus COLOR 760 Revision C Table 3-11. Isolating the Faulty Part on the Power Supply Board Table 3-11. Isolating the Faulty Part on the Power Supply Board Step Check Point Action Step Check Point Action Is the main switching...

  • Page 67: Isolating The Faulty Part According To The Phenomenon

    EPSON Stylus COLOR 760 Revision C 3.1.3 Isolating the Faulty Part according to the Phenomenon Refer to this section if you could not solve the problem in Section 3.1.1 or Section 3.1.2 or need more information to isolate the cause according to the exhibited phenomenon.
  • Page 68 EPSON Stylus COLOR 760 Revision C Table 3-13. CR Motor does not Operate Table 3-14. PF Motor does not Operate Step Check Point Action Step Check Point Action Getting ready The connector CN14 used to control the CR motor is...
  • Page 69 EPSON Stylus COLOR 760 Revision C Table 3-15. Cleaning does not Solve the Print Problem (continued) Table 3-15. Cleaning does not Solve the Print Problem Step Check Point Action Step Check Point Action Check the cap for Remove the printer mechanism and release the...
  • Page 70 EPSON Stylus COLOR 760 Revision C Table 3-15. Cleaning does not Solve the Print Problem (continued) Table 3-15. Cleaning does not Solve the Print Problem (continued) Step Check Point Action Step Check Point Action Is any ink tube Referring to the figure below, check the following...
  • Page 71 EPSON Stylus COLOR 760 Revision C Table 3-15. Cleaning does not Solve the Print Problem (continued) Step Check Point Action Is the head driving If a trapezoid waveform is not output in the pre-driver defective? previous step, check all the power transistors (Q3 - Q4) for base waveform.

  • Page 72: Disassembly And Assembly

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

  • Page 73: Overview

    This chapter describes procedures for disassembling the main components of EPSON Stylus COLOR 760. Unless otherwise specified, disassembly units or Wear protective goggles to protect your eyes from ink. If ink gets in your eye, flush the eye with fresh water and see components can be reassembled by reversing the disassembly procedure.

  • Page 74: Tools

    EPSON Stylus COLOR 760 Revision C 4.1.2 Tools Never remove the ink cartridge from the carriage unless Table 4-1 lists the tools recommended for disassembling, assembling, or this manual specifies to do so. adjusting the printer. Use only tools that meet these specifications.

  • Page 75: Screw Specifications

    EPSON Stylus COLOR 760 Revision C 4.1.3 Screw Specifications Table 4-2 shows screw specifications. During assembly and disassembly, make sure that the specified types of screws are used at proper locations, referring to the table below. Note that the screw numbers described in the manual correspond to the numbers in the table.

  • Page 76: Service Checks After Repair

    EPSON Stylus COLOR 760 Revision C 4.1.4 Service Checks After Repair Before returning the printer after servicing, use the check list below, which enables you to keep record of servicing and shipping more efficiently. Table 4-3. Inspection Checklist for the Repaired Printer...

  • Page 77: Disassembly Procedures

    EPSON Stylus COLOR 760 Revision C 4.2 Disassembly Procedures The flowchart below shows procedures for disassembly. Figure 4-1. Flowchart of Disassembly Disassembly and Assembly Disassembly Procedures...

  • Page 78: Removing The Upper Housing

    EPSON Stylus COLOR 760 Revision C 4.2.1 Removing the Upper Housing Since the printer mechanism itself structures the bottom part, the printer Upper Housing mechanism appears just by removing the Upper Housing. 1. Open the printer cover and turn the PG adjustment lever towards (+) side.

  • Page 79: Removing The Circuit Board Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.2 Removing the Circuit Board Assembly CN1(AC Source on PS board), CN5 (PE sensor), CN6 (ASF HP sensor), Since the Main Board and Power Supply Circuit Board are built in a separate CN8 (Head FFC1), CN9 (Head FFC2), CN10 (PS Cable),...
  • Page 80 EPSON Stylus COLOR 760 Revision C Be sure to perform the following adjustments when the Main board is replaced; C298PSB/PSE 1. Head voltage ID Input (Refer to Chapter 5.) Board No.1 Screws 2. Bi-D adjustment, including Head Gap adjustment (Refer to Chapter 5.)

  • Page 81: Removing The Operation Panel

    EPSON Stylus COLOR 760 Revision C 4.2.3 Removing the Operation Panel 1. Remove the Upper Housing. (Refer to Section 4.2.1.) No.1 Screws 2) Remove two screws (No.1) securing the Operation Panel Assembly and separate the Operation Panel Assembly from the Printer Mechanism.

  • Page 82: Disassembling The Printer Mechanism

    EPSON Stylus COLOR 760 Revision C 4.2.4 Disassembling the Printer Mechanism Since Stylus Color 760 does not have the Lower Housing, the printer mechanism part should already have appeared by now. Therefore, this section explains procedures for disassembling the major parts or units of the printer mechanism.

  • Page 83: Removing The Printhead Unit

    EPSON Stylus COLOR 760 Revision C 4.2.4.1 Removing the Printhead Unit 1. Remove the Upper Housing. (Refer to Section 4.2.1.) 2) Slide the CR Lock Lever to the front using tweezers or small driver and release the CR Lock Lever from the CR unit. Then move the CR Assembly to the left.
  • Page 84 EPSON Stylus COLOR 760 Revision C Make sure that the earth board is installed at the right corner of the CR unit correctly. There are 2 pins used to determine the location. Refer to Figure 4-8. When you install the printhead to the carriage, make sure that the protrusion on the carriage side is placed in the U- ditch of the printhead.

  • Page 85: Removing The Waste Ink Absorber Tray Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.2 Removing the Waste Ink Absorber Tray Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) 2) Remove one screw (No.1) securing the Left Housing Panel to the Printer Mechanism. Refer to Figure 4-9.

  • Page 86: Installing The Spacer Tray

    EPSON Stylus COLOR 760 Revision C 1. When installing the Waste Ink Absorber Tray Assembly, make sure to fix it with the Spacer Tray in the left side of the printer mechanism. Refer to the Figure 4-11. 2. Be careful not to damage Loop Scale when the Tray Spacer is removed.

  • Page 87: Removing The Ink System Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.3 Removing the Ink System Assembly NOTE: The Pump Assembly and Cap Assembly are included in the Ink System Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) 2) Remove the Operation Panel. (Refer to Section 4.2.3.) 3) Remove two screws (No.1) securing the Right Sub Frame.
  • Page 88 EPSON Stylus COLOR 760 Revision C 6) From the Middle Frame, remove three screws (No.1) securing the Pump Assembly in the Ink System Assembly. Then, from the Right Frame, Middle Frame remove one screw (No.1) securing the Cap Assembly in the Ink System Assembly.
  • Page 89 EPSON Stylus COLOR 760 Revision C Ink Absorption Pad Since the spring is included among the gears in the pump assembly, be careful that the parts do not pop out during about 45 degree disassembly and assembly. When assembling the Cap Assembly to the Ink System...

  • Page 90: Removing The Cr Motor Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.4 Removing the CR Motor Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1) 2) Slide the CR Lock Lever to front with tweezers or small driver and release Top Frame CR Motor the CR Lock Lever from the CR unit.

  • Page 91: Removing The Asf Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.5 Removing the ASF Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) 2) Remove the following Cables from the cable hook on right side (viewed from back side) of the ASF Assembly.
  • Page 92 EPSON Stylus COLOR 760 Revision C When installing the ASF assembly, make sure that the protrusion on the ASF is assembled into the fixing hole on the Middle Frame. Screws for ASF Assembly should be used at the following positions. (Looking from the back of printer). Refer to Figure 4-19.

  • Page 93: Removing The Paper Feed Roller Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.5.1 Removing the Paper Feed Roller Assembly 1. Remove the ASF assembly. (Refer to Section 4.2.4.5.) ASF HP Sensor Wheel 2) Release the hook on the Shaft Fixing Bushing fixing to the LD Shaft and...
  • Page 94 EPSON Stylus COLOR 760 Revision C 6) Set the Right arm portion of the Hopper Assembly to the square hole on the right side of the ASF Frame and remove the Hopper Assembly carefully. Refer to Figure 4-27. Right arm portion of...
  • Page 95 EPSON Stylus COLOR 760 Revision C Paper Feed Roller Assembly During disassembly and assembly of the hopper assembly, do not let the grease on the cam parts touch other parts. Wipe off any grease smeared on other parts. Be careful of the direction of the Hopper Release Lever when installing it.
  • Page 96 EPSON Stylus COLOR 760 Revision C Make sure that the right Paper Feed Roller Assembly is fixed with the hook on the ASF unit. Check it from the back side of the ASF Frame. Refer to Figure 4-32. During assembly, when setting the compression spring 1.961 to the spring installation position in...

  • Page 97: Removing The Right And Left Ld Roller Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.5.2 Removing the Right and Left LD Roller Assembly 1. Disassemble the ASF assembly and remove the Paper Feed Roller When installing the LD roller assembly, make sure that the Assembly and Hopper Assembly from the ASF Assembly. (Refer to the hooks are hung on the Paper Feed Roller Assembly.

  • Page 98: Removing The Cr Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.6 Removing the CR Assembly 1. Remove the Top Housing. (Refer to Section 4.2.1) Driven Pulley Holder 2) Remove the Tension Spring 1.494 fixing the CR Encoder Slit Plate to the Compression Spring 23.52 protrusion on the left side of the Top Frame and remove the CR Encoder Slit Plate carefully from the CR unit.
  • Page 99 EPSON Stylus COLOR 760 Revision C 7) Move the PG Lever to bring its hooks to the nothes of the cutouts in the 10) Remove one screw (No.7) and rotate the Right Parallelism Adjustment right side of the Top Frame. Then remove the PG Lever by releasing the Bushing and move it forward so that the locking protrusion of the Right hooks.
  • Page 100 EPSON Stylus COLOR 760 Revision C 11) Holding the carriage, remove the Right Parallelism Adjustment Bushing carefully by pushing it right side slightly. CR Assembly 12) Remove the CR Assembly with the CR Guide Shaft. Do not touch the surface of the CR Liner Scale by hand.

  • Page 101: Disassembling The Cr Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.6.1 Disassembling the CR Assembly 1. Remove the Printhead Unit. (Refer to Section 4.2.4.1) CR Assembly 2) Remove the No. 9 screw securing the I/C Detector Holder Bushing. and remove the I/C Detector Cables which is placed in the gutter of the left side of the CR assembly.
  • Page 102 EPSON Stylus COLOR 760 Revision C 5) Remove the CR Encoder Board Assembly from the CR Frame as Figure 4-45. Torsion Spring Torsion Spring 1.08 CR Encoder Board Assy. Hanging portion I/C Detector Lever Hanging portion Figure 4-46. Assembling the I/C Detector Lever CR Assembly Figure 4-45.

  • Page 103: Removing The Pf Roller & Paper Eject Roller Assy

    EPSON Stylus COLOR 760 Revision C 4.2.4.7 Removing the PF Roller & Paper Eject Roller Assy. 1. Remove the Upper Housing. (Refer to Section 4.2.1.) Front View Back View 2) Remove the Control Panel and Left Housing Panel. Torsion Spring 117.6 3) Remove the Left Sub Frame.
  • Page 104 EPSON Stylus COLOR 760 Revision C 9) Remove three screws (No.1) securing the Front Frame to the Printer mechanism and remove it. Refer to Figure 4-51. 10) Remove three screws (No.1) securing the Paper Eject Frame Assembly and remove it. Refer to Figure 4-51.
  • Page 105 EPSON Stylus COLOR 760 Revision C 15) Remove one screw (No.1) securing the PF Encoder Detector Assembly and remove it from the Printer Mechanism. Refer to Figure 4-54. Gear 76 Left Bush 12 holding the PF Roller PF Roller Assy No.1 Screw securing the...
  • Page 106 EPSON Stylus COLOR 760 Revision C Back Side View of the Torsion Spring 117.6 Do not bend or damage the Loop Scale for PF Encoder Printer Mechanism Sensor during disassembly and assembly. Do not touch the surface of the PF roller by hand.

  • Page 107: Remove The Pf Motor Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.8 Remove the PF Motor Assembly 1. Remove the Housing (Refer to Section 4.2.1.) 2) Remove the ASF Assembly from the Printer Mechanism. (Refer to Section 4.2.4.5) PF Fixing screw PF Motor 3) Remove the Carriage Assembly. (Refer to Section 4.2.4.6.) 4) Remove the PF Roller Assembly.

  • Page 108: Removing The Pe Detector Assembly

    EPSON Stylus COLOR 760 Revision C 4.2.4.9 Removing the PE Detector Assembly 1. Remove the housing. (Refer to Section 4.2.1.) Four hooks fixing the 2) Remove the ASF Assembly. (Refer to Section 4.2.4.5.) PE Detector Assy 3) Remove the Right Upper Paper Guide to forward releasing the Torsion Spring 117.6.

  • Page 109: Adjustment

    C H A P T E R ADJUSTMENT...

  • Page 110: Overview

    EPSON Stylus COLOR 760 Revision C 5.1 Overview Table below shows the actions taken and required adjustments in the order to be performed. This chapter describes adjustments required when the printer is disassembled and assembled after repair. Table 5-2 Actions Taken and Adjustment Required...

  • Page 111: Adjustment Tools Required

    EPSON Stylus COLOR 760 Revision C 5.1.2 Adjustment Tools Required Table 5-3 below shows adjustment tools for Stylus COLOR 760. Table 5-3 Adjustment Tools Required Name Adjustment Item Contents/Spec. Thickness Gauge Parallelism thickness:1.14 mm Adjustment Micro scoop Backlash Adjustment Magnified ratio: x 15 Scale: 0.1mm...

  • Page 112: Adjustment

    EPSON Stylus COLOR 760 Revision C 5.2 Adjustment [Right Parallelism Adjustment] 1. Install the “Parallelism adjustment bushing” for right and left frame This section explains specific procedures for each adjustment required and set them on the peaking of the upper frame side so that they for Stylus COLOR 760.
  • Page 113 EPSON Stylus COLOR 760 Revision C 3. Move the carriage to the center and set the thickness gauge 4. Move the carriage to the position that the printhead overlaps the (t=1.14mm) on the fixed position of Front Paper Guide as you can thickness gauge.
  • Page 114 EPSON Stylus COLOR 760 Revision C [Fixing Parallelism Adjustment Bushing] 13. Fix the right and left Parallelism adjustment bushings with screws. (No.7 screw for each.) When completing this adjustment, check the overlap amount of the printhead and head cleaner. 1. After release the Pump Planetary Lever Fixing Guide, rotate the Combination Gear 13.5, 30 to front side and set the head cleaner.

  • Page 115: Backlash Value Adjustment For Pf Motor

    EPSON Stylus COLOR 760 Revision C 5.2.2 Backlash value Adjustment for PF motor Before you start this adjustment, make sure that the following parts are removed on the printer mechanism. When you remove or replace the following part, perform this o Combination Gear 13.5,30...
  • Page 116 EPSON Stylus COLOR 760 Revision C 1. Fasten the PF motor fixing screw and the No.5 screw securing the 3. Push the following figured “A” point on the Gear 76 to the Left frame PF motor with 6kg-cm torque once again.
  • Page 117 EPSON Stylus COLOR 760 Revision C 4. For the reconfirmation, push the “B” and “C” position of the Gear 76 to the Left Frame side. The Gear 76 should be pushed to the Left frame side about 3mm. And make sure that Gear 76 returns to the normal position smoothly with the jarring sounds.

  • Page 118: Adjustment By Adjustment Program

    EPSON Stylus COLOR 760 Revision C 5.2.3 Adjustment by Adjustment Program 5.2.3.2 How to set up the program In order to set up the program, insert 1st FDD 3.5 inch disk (Installer In this printer, it is necessary to set the correct information for each Disk) to the 3.5 inch FDD disk drive and start the install the program file...

  • Page 119: Select The Model Name

    EPSON Stylus COLOR 760 Revision C 5.2.3.3 Select the Model Name NOTE: When the OK button is pressed in this menu, this adjustment program dose not verify the model name stored 1. Before performing any adjustment, you need to select the model in the PROM.

  • Page 120: Market Destination Check

    EPSON Stylus COLOR 760 Revision C 5.2.3.4 Market Destination Check This function is just to check the market destination setting stored in the EEPROM. Any CG chip is not mounted on the Main board and only 2 character tables (PC437, PC850) are stored in the PROM. Note the factory default CG setting in EEPROM is PC437.

  • Page 121: Head Voltage Id Input

    EPSON Stylus COLOR 760 Revision C 5.2.3.5 Head Voltage ID Input This adjustment is required when any of the following parts is replaced. o Printhead o Main board o Printer mechanism This adjustment enables you to write a printhead Voltage ID into the specific address of the EEPROM.
  • Page 122 EPSON Stylus COLOR 760 Revision C 5. If you can read out the present Head voltage ID, take memo the read out Head ID voltage. NOTE: In this Adjustment program, you can not write the read out Head ID to the new Main board in the read out Head ID menu.

  • Page 123: Head Angular Adjustment

    EPSON Stylus COLOR 760 Revision C 5.2.3.6 Head Angular Adjustment 1. Select the “Head angular adjustment” in the Adjustment Main Menu as following figure. During production, slight variations are created in printheads and carriage (which are used as a printhead base.) If these differences are...
  • Page 124 EPSON Stylus COLOR 760 Revision C 3. The following check pattern is printed. 5. Loosen the printhead securing screw securing the printhead on the carriage. (You don't need to remove it completely.) Figure 5-19. Head Angular adjustment pattern. 4. Select the “Move the carriage to the head angular adjustment” in the “Head angular adjustment “menu and click the “OK”...
  • Page 125 EPSON Stylus COLOR 760 Revision C 6. Look at the black/magenta combination in the pattern and move the 7. After changing the position of the adjust lever, select “Head angular adjusting lever to make the magenta lines stay between the black adjustment pattern”...

  • Page 126: Bi-D Adjustment

    EPSON Stylus COLOR 760 Revision C 5.2.3.7 Bi-D Adjustment You perform this adjustment to correct differences in printing positions, which is caused by slippage of printing timing in right and left directions during the Bi-directional printing. Therefore, you are required to perform this adjustment after performing the following operations.
  • Page 127 EPSON Stylus COLOR 760 Revision C 3. Click the “Previous” and go back to the BI-Directional Adjustment” 6. By selecting the misalined dot size, following input menu for the menu. And select the “Adjust” menu and click the “OK” button.
  • Page 128 EPSON Stylus COLOR 760 Revision C Figure 5-29. Input the suitable value 8. To confirm if the adjustment value is suitable, click the “Previous” button and go back to the “Bi-Directional Adjustment” menu. 9. Select the “Print the Bi-D adjustment patter” and click the “OK”...

  • Page 129: Usb Id Input

    A unique code called USB ID is input to the specific address of the EEPROM in factory, and the following total 18-digit code is used as a USB ID for EPSON ink jet printer. n Factory line number (3-digit) Figure 5-30. Select the USB ID input menu n PC number (2-digit) 2.
  • Page 130 EPSON Stylus COLOR 760 Revision C 4. Input the 10-digit-code serial number in the input menu and click the 7. Select “Confirmation of USB port function” and click the “OK” button “OK” button. in “USB ID Check/Input” menu. NOTE: Even though you type an irresponsible 10-digit code and click the “OK”...
  • Page 131 EPSON Stylus COLOR 760 Revision C Flow Y (Windows98 pre-installed) A-1. The message below appears. Click OK. Figure 5-35. Message 2 A-2. The following menu appears. Click OK. * In this menu, only “OK” and “Previous” buttons are effective. Figure 5-37. Conformation Of USB Port Function Menu In the following step, be sure to connect a parallel cable before clicking the OK button.
  • Page 132 EPSON Stylus COLOR 760 Revision C A-4. Connect a parallel cable and then click “OK”. The “USB ID input” menu appears again (step 7). NOTE: If the USB port operates correctly, 2 sheets of A4 Check pattern are printed. Flow B (Windows98 not installed) B-1.

  • Page 133: Initial Ink Charge Operation

    EPSON Stylus COLOR 760 Revision C 5.2.3.9 Initial Ink Charge Operation 2. Select the “Initial Ink charge” item from “Maintenance Menu” and click the “OK” button. After replacing any of the following units, perform Initial ink charge and return the printer after making sure that ink is ejected correctly from the NOTE: As described in the menu message, about 1/6 amount of printhead.

  • Page 134: Head Cleaning Operation

    EPSON Stylus COLOR 760 Revision C 5.2.3.10 Head Cleaning Operation With this sequence, you can forcibly solve the clogged nozzle problem caused by viscous ink. This program performs Powerful cleaning (CL1’ cleaning (ink consumption ;1.55ml) + rubbing operation) forcibly. If you can not recover the clogged nozzles despite you performed powerful operation, enter the Initial ink charge sequence by referring to Section 5.2.3.11.

  • Page 135: Protection Counter Check/Reset

    EPSON Stylus COLOR 760 Revision C 5.2.3.11 Protection Counter Check/Reset 2. By clicking the”OK” button, following menu is displayed. The program allows you to check or clear the current protection counter value. (waste ink amount counter) NOTE: You can confirm or clear the current protection value by main unit alone.
  • Page 136 EPSON Stylus COLOR 760 Revision C [Clear the protection counter value] 3. After observing the CAUTION description in the menu, click the “OK” button. When the “OK” button is clicked, the message appears 1. Select “Clear the protection counter value” and click the “OK”...

  • Page 137: Recovery For The Clogged Nozzle

    EPSON Stylus COLOR 760 Revision C 5.2.3.12 Recovery for the clogged nozzle This function repeats printing the Nozzle check pattern and to perform the head cleaning. Your can check the recovered nozzle condition after perform the head cleaning. NOTE: In this sequence, CL1’ cleaning mode & rubbing operation are always performed.

  • Page 138: Print A4 Pattern

    EPSON Stylus COLOR 760 Revision C 5.2.3.13 Print A4 pattern 2. When printing is complete, the following message appears in the bottom column of the menu. This function prints following several kinds of the check pattern on A4 paper. By printing an A4 pattern, you can check the all adjustment results on the printout.

  • Page 139: Pf Loop Scale Unit Assembling Procedure

    EPSON Stylus COLOR 760 Revision C 5.3 PF Loop scale unit assembling procedure 5.3.1 Assembling the PF Loop scale unit This section describes how to assemble the following parts. This section describes how to assemble the following parts: o PF Loop scale...
  • Page 140 EPSON Stylus COLOR 760 Revision C 3. Set the small column to the shaft hole of the PF Loop scale and put 5. Peel off the protection tape from the adhesive tape (double side) the PF Loop scale on the Base plate. The printed character side of and stick it inside the printed circled line on the PF Loop scale.

  • Page 141: Sticking The Pf Loop Scale Unit To Gear 76

    EPSON Stylus COLOR 760 Revision C 5.3.2 Sticking the PF Loop scale unit to Gear 76 n Do not touch the following portion. This section describes how to the stick the PF Loop scale unit to the - Inside of PF Loop scale shaft hole Gear 76.

  • Page 142: Maintenance

    C H A P T E R MAINTENANCE...

  • Page 143: Overview

    EPSON Stylus COLOR 760 Revision C 6.1 Overview 6.1.2 Service Maintenance If print irregularity (missing dot, white line, etc.) has occurred or the printer This section describes points and procedures for maintaining the printer in its indicates “Maintenance Error”, take the following actions to clear the error.

  • Page 144: Lubrication

    EPSON Stylus COLOR 760 Revision C 6.1.3 Lubrication Table 6-2. Lubrication Point The type and amount of oil and grease used to lubricate the printer parts are Standard Remarks / Reference Page determined based on the results of internal evaluations. Therefore, be sure to <Lubrication Point>...
  • Page 145 EPSON Stylus COLOR 760 Revision C Table 6-2. Lubrication Point (continued) Table 6-2. Lubrication Point (continued) Standard Remarks / Reference Page Standard Remarks / Reference Page <Lubrication Point> <Lubrication Point> “SHAFT, PULLEY, DRIVEN” “SPUR GEAR, 23.2” (Gear Train) Do not smear the “SCALE, PF”...
  • Page 146 EPSON Stylus COLOR 760 Revision C Table 6-2. Lubrication Point (continued) Table 6-2. Lubrication Point (continued) Standard Remarks / Reference Page Standard Remarks / Reference Page <Lubrication Point> Lubricate the oil pad only when: <Lubrication Point> Oil pad in the carriage assembly “GUIDE PLATE, CR”...
  • Page 147 EPSON Stylus COLOR 760 Revision C Never apply oil to the CR guide shaft directly. This may cause fatal damage to the components of the printer. Avoid applying oil excessively to the oil pad. This may cause fatal damage to the components of the printer.
  • Page 148 EPSON Stylus COLOR 760 Revision C SHAFT, PULLEY, DRIVEN G-26 PULLEY, DRIVEN G-26 G-26 G-26 ROLLER ASSEMBLY, EJECT COMBINATION GEAR, 12, 28.8 Lubrication Points No. 5, 6 Lubrication Point No.7 Lubrication Point No. 8 Lubricating Area Do not lubricate G-26 G-26 these hooks.
  • Page 149 EPSON Stylus COLOR 760 Revision C ROLLER, EJECT & GROUND SPRING, EJECT G-26 G-26 SPUR GEAR, 23.2 Lubrication Point No. 11 Lubrication Point No. 13 G-26 G-26 ROLLER, PF UNIT ROLLER, PF Lubrication Point No. 14 Lubrication Point No.12 Maintenance...
  • Page 150 EPSON Stylus COLOR 760 Revision C PAPER GUIDE, FRONT G-26 G-26 G-26 Lubrication Point No. 15-3 Lubrication Point No. 15-1 Lubrication Point No. 15-2 G-26 G-26 FRAME, ASF; B Shaft for FRAME, LEFT Lubrication Point No. 17 Lubrication Point No. 18...
  • Page 151 EPSON Stylus COLOR 760 Revision C HOPPER ASSY; C Indent Screw G-26 G-26 G-26 270 mm (between the screw and indent) FRAME, ASF; B Lubrication Point No. 20 Lubrication Point No. 19 Maintenance Overview...

  • Page 152: Appendix

    C H A P T E R APPENDIX...

  • Page 153: Connector Summary

    EPSON Stylus COLOR 760 Revision C 7.1 Connector Summary 7.1.1 Connector Pin Assignment Tables below show connector pin assignments of the C298MAIN. This section gives information on connectors and their pin assignment. Table 7-1. Connector Summary of C298MAIN Connector Function...
  • Page 154 EPSON Stylus COLOR 760 Revision C Table 7-4. Connector CN8 Table 7-5. Connector CN9 Signal Name Function Signal Name Function Ground Ground CR Encoder B phase Ground Logic power supply (+5V) NCHG All nozzle fire selection signal CR Encoder A phase...
  • Page 155 EPSON Stylus COLOR 760 Revision C Table 7-6. Connector CN10 Table 7-8. Connector CN12 Signal Name Function Signal Name Function Power supply switch output signal Logic power supply (+5V) Ground A phase signal Ground ---- Ground Logic power supply Table 7-9. Connector CN13 Table 7-7.

  • Page 156: Eeprom Address Map

    EPSON Stylus COLOR 760 Revision C 7.1.2 EEPROM ADDRESS MAP Table 7-11. EEPROM Address Map (continued) QPIT Factory This section provides EEPROM address map for the Stylus COLOR 760. Address Explanation Settings Settings Settings Table 7-11. EEPROM Address Map Reserved...
  • Page 157 EPSON Stylus COLOR 760 Revision C Table 7-11. EEPROM Address Map (continued) Table 7-11. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Settings Address Explanation Settings Settings Settings Settings Settings Bi-D Adjustment for -36<=n<=+36 (*1) Reserved 4plVSD (Bk)
  • Page 158 EPSON Stylus COLOR 760 Revision C Table 7-11. EEPROM Address Map (continued) Table 7-11. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Settings Address Explanation Settings Settings Settings Settings Settings 00H *3 Ink counter A0 Ink counter Cb...
  • Page 159 EPSON Stylus COLOR 760 Revision C Table 7-11. EEPROM Address Map (continued) Table 7-11. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Settings Address Explanation Settings Settings Settings Settings Settings Head Actuator Rank ID +1<=n<=+43 (*1) for VhU Head Actuator Rank ID +1<=n<=+37...
  • Page 160 EPSON Stylus COLOR 760 Revision C Table 7-11. EEPROM Address Map (continued) NOTE: *a: BUSY signal delay time from fall-edge of a -STB signal. (Fast:Max, 1MB/s, Slow:Max, 600KB/s) QPIT Factory Address Explanation Settings *b: Select IEEE1284 transfer mode. (ECP or Nibble)

  • Page 161: Circuit Board Component Layouts

    EPSON Stylus COLOR 760 Revision C 7.2 Circuit Board Component Layouts Component Side Soldered Side Figure 7-2. C298MAIN Component Layout Appendix Circuit Board Component Layouts...
  • Page 162 EPSON Stylus COLOR 760 Revision C Figure 7-3. C298PSB Component Layout Figure 7-4. C298PSE Component Layout Appendix Circuit Board Component Layouts...
  • Page 163 EPSON Stylus COLOR 760 Revision C Figure 7-5. C298PNL Component Layout Appendix Circuit Board Component Layouts...

  • Page 164: Exploded Diagram

    EPSON Stylus COLOR 760 Revision C 7.3 Exploded Diagram FOR LATIN 400 for EAI For EUR,S.E.ASIA, OCEANIA,RUSSIA EPSON STYLUS COLOR 760 (1/5) No.1 Rev.01 Appendix Exploded Diagram...
  • Page 165 EPSON Stylus COLOR 760 Revision C EPSON STYLUS COLOR 760 (2/5) No.1 Rev.01 Appendix Exploded Diagram...
  • Page 166 EPSON Stylus COLOR 760 Revision C (501) 527 526 EPSON STYLUS COLOR 760 (3/5) No.1 Rev.01 Appendix Exploded Diagram...
  • Page 167 EPSON Stylus COLOR 760 Revision C (501) (506) EPSON STYLUS COLOR 760 (4/5) No.1 Rev.01 Appendix Exploded Diagram...
  • Page 168 EPSON Stylus COLOR 760 Revision C WITHOUT 741,742,743, 747,748 WITH 581 EPSON STYLUS COLOR 760 (5/5) No.1 Rev.01 Appendix Exploded Diagram...

  • Page 169: Parts List

    EPSON Stylus COLOR 760 Revision C 7.4 Parts List Table 7-12. Parts List Code Parts Name Code Parts Name Code Parts Name HOUSING COMPRESSION SPRING, 2.94 ROLLER, PF COVER, PRINTER LABEL, CAUTION 1 COMPRESSION SPRING, 5.85 PAPER SUPPORT ASSEMBLY LABEL, ACCESSORY...
  • Page 170 EPSON Stylus COLOR 760 Revision C Table 7-12. Parts List (continued) Code Parts Name Code Parts Name Code Parts Name START WHEEL ASSEMBLY, 8; E LEVER, PG PLAIN WASHER, 2.1 0.5 4.6, L/NA STAR WHEEL, 8; B LEVER, PG, SUB...
  • Page 171 EPSON Stylus COLOR 760 Revision C Table 7-12. Parts List (continued) Code Parts Name Code Parts Name Code Parts Name EDGE GUIDE SHAFT, ROLLER, LD CPB-TITE (O) SCREW, 1.7 5, F/ZN CORK LEVER, HOPPER, RELEASE BUSHING, HOLDER, DETECTOR, I/C SLIDER, EDGE GUIDE...

  • Page 172: Circuit Diagrams

    EPSON Stylus COLOR 760 Revision C 7.5 Circuit Diagrams See the following pages for the circuit diagrams for the Stylus COLOR 760. Appendix Circuit Diagrams...

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