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SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
Color ink jet printer
Stylus COLOR 860/1160
®
SEIJ99003

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Troubleshooting

   Also See for Epson Stylus COLOR 1160

   Related Manuals for Epson Stylus COLOR 1160

   Summary of Contents for Epson Stylus COLOR 1160

  • Page 1

    SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL Color ink jet printer Stylus COLOR 860/1160 ® SEIJ99003...

  • Page 2: Epson Stylus Color

    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

    CHAPTER 5. ADJUSTMENTS Provides Epson-approved methods for adjustment. CHAPTER 6. MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product. APPENDIX Provides the following additional information for reference: • EEPROM Address Map •...

  • Page 5

    EPSON Stylus COLOR 860/1160 Revision C Revision Status Revision Issued Date Description August 19, 1999 First Release Second release October 5, 1999 • Correction has been made due to overall review of the manual. • Appendix has additional information. Third release •...

  • Page 6: Table Of Contents

    EPSON Stylus COLOR 860/1160 Revision C PRODUCT DESCRIPTION Envelopes ....................... 26 INK CARTRIDGE ..................27 FEATURES ....................9 Black Ink Cartridge .................... 27 SPECIFICATIONS ..................10 Color Ink Cartridge ..................... 27 Physical Specification ..................10 Printing Specification ..................10 Operating Principles Paper Feeding .....................

  • Page 7: Table Of Contents

    EPSON Stylus COLOR 860/1160 Revision C Isolating the Faulty Part according to the Phenomenon ........68 Choose the Model ..................126 Market Destination Check ................127 Head Voltage ID Input ................. 128 Disassembly and Assembly Head Angular Adjustment ................131 Bi-D Adjustment ..................

  • Page 8: Product Description

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

  • Page 9: Features

    EPSON Stylus COLOR 860/1160 Revision C 1.1 FEATURES The major features of EPSON color inkjet printers EPSON Stylus COLOR 860/ 1160 are: High Color Print Quality 1440 (H) X 720 (V) dpi printing Four Color Printing (YMCK) Traditional and New Microweave...

  • Page 10: Specifications, Physical Specification, Printing Specification

    EPSON Stylus COLOR 860/1160 Revision C 1.2 SPECIFICATIONS Table 1-2. Raster Graphics Mode Horizontal This section covers specifications of the printers. Model Printable Area Available Dot CR Speed Resolution 180 dpi 8.26 inches 1488 23.8/19 IPS 1.2.1 Physical Specification Stylus Color 860 360 dpi 8.26 inches...

  • Page 11: Paper Feeding, Input Data Buffer, Electric Specification

    EPSON Stylus COLOR 860/1160 Revision C 1.2.3 Paper Feeding [220 240V Version] Rated Voltage: AC220V 240V Feed Method Input Voltage Range: AC198 264V Rated Frequency Range: 50 60Hz Friction feed with ASF Input Frequency Range: 49.5 60.5Hz Paper Path Rated Current: 0.2 A (for Stylus Color 860)

  • Page 12: Environmental Condition, Reliability, Safety Approvals, Acoustic Noise, Ce Marking

    EPSON Stylus COLOR 860/1160 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, Parallel Interface (forward Channel)

    EPSON Stylus COLOR 860/1160 Revision C 1.3 INTERFACE DATA data byte n data byte n+1 The EPSON Stylus COLOR 860/1160 provide USB and parallel interface as hold standard. -STROBE next 1.3.1 Parallel Interface (Forward Channel) setup BUSY Transmission Mode: 8 bit parallel, IEEE-1284 compatibility mode...

  • Page 14

    EPSON Stylus COLOR 860/1160 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 860/1160 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 3.9 K ohm Logic H resistor. Pulled up to +5V via 3.3K ohm resistor.

  • Page 16: Parallel Interface (reserve Channel)

    EPSON Stylus COLOR 860/1160 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 860/1160 Revision C Device ID: 1.3.3 USB Interface The printer sends the following device ID string when 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 Stylus Color 860) for Printing Devices Version 1.0”...

  • Page 18: Prevention Of Data Transfer Time-out, Interface Selection, Ieee1284.4 Protocol

    EPSON Stylus COLOR 860/1160 Revision C 1.3.4 Prevention of Data Transfer Time-out Automatic Selection An initial state is compatible interface and starts IEEE1284.4 Generally, hosts abandon data transfer to peripherals when the peripheral is in communication when magic strings (1284.4 synchronous commands) are the busy state for dozens of seconds continuously.

  • Page 19: Operator Controls, Operating Switch, Control Panel, Switches, Indicators

    EPSON Stylus COLOR 860/1160 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 860/1160 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 mode for parallel Cleaning I/F.

  • Page 21: Printer Condition And Panel Status, Printer Initialization

    EPSON Stylus COLOR 860/1160 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 860/1160 Revision C 1.4.6 Errors Ink Out When the printer runs out most of the ink of any color, it indicates 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, Paper Handling, Paper Specification, Cut Sheet, Transparency, Glossy Paper, Envelope

    EPSON Stylus COLOR 860/1160 Revision C 1.5 PAPER 1.5.2.2 Transparency, Glossy Paper [Size] 1.5.1 Paper Handling For Stylus Color 860/1160: Width 210mm (8.3”) x Length 297mm (11.7”) Do not perform reverse feed more than 9.5mm (0.38”). Letter: Width 216mm (8.5”) x Length 279mm (11.0”) 1.5.2 Paper Specification...

  • Page 24: Index Card

    EPSON Stylus COLOR 860/1160 Revision C 1.5.2.4 Index Card [Size] A6 Index Card: Width 105mm (4.1”) x Length 148mm (5.8”) A5 Index Card: Width 148mm (5.8”) x Length 210mm (8.3”) 5 x 8” Index Card: Width 127mm (5.0” x Length 203mm (8.0”) 10 x 8”...

  • Page 25: Printing Area, Cut Sheet

    EPSON Stylus COLOR 860/1160 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 26: Envelopes

    EPSON Stylus COLOR 860/1160 Revision C 1.5.3.2 Envelopes Table 1-14. Raster Graphics Mode Paper Left Margin Right Margin Top Margin Bottom Margin Size (min.) (min.) (min.) (min.) 14 mm (0.54”) / 3mm 3 mm (0.12”) 3 mm (0.12”) 3 mm (0.12”) (0.12”) **...

  • Page 27: Ink Cartridge, Black Ink Cartridge, Color Ink Cartridge

    EPSON Stylus COLOR 860/1160 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 28: Operating Principles

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

  • Page 29: Overview, Printer Mechanism

    PF Motor Pinion Detector Wheel PF Motor Unlike other EPSON ink jet printers, the Stylus COLOR 860/1160 uses DC Flashing Window motor for power source. Use of the DC motor enable the printer to lower noise (at 80th or 136th column) Loading Shaft during printing to a great extent.

  • Page 30: Printing Mechanism

    EPSON Stylus COLOR 860/1160 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 31: Printing Process

    EPSON Stylus COLOR 860/1160 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 32: Carriage Mechanism

    EPSON Stylus COLOR 860/1160 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 860/1160 is mostly the same tilt in a flexible and adjustable structure by the tilt adjustment mechanism.

  • Page 33: Platen Gap (pg) Adjust Mechanism, Paper Feeding Mechanism

    EPSON Stylus COLOR 860/1160 Revision C 2.1.1.4 Platen Gap (PG) Adjust Mechanism 2.1.1.5 Paper Feeding Mechanism The PG adjustment, at the left of the printer mechanism, consists of the PG The paper feeding mechanism transports paper loaded from ASF using the PF lever, PF support lever, right/left parallelism adjustment levers, and CR guide rollers and paper eject rollers.

  • Page 34

    EPSON Stylus COLOR 860/1160 Revision C [Previous Models] Support Roller Printhead Star Wheel Assy. Paper Front Paper Guide Eject Roller PF Motor PF Roller Eject Roller Figure 2-6. Paper Feeding Mechanism Bottom margin 3 mm touches Platen the printhead surface.

  • Page 35: Cr Lock Mechanism

    EPSON Stylus COLOR 860/1160 Revision C 2.1.1.6 CR Lock Mechanism The carriage lock mechanism prevents the carriage from being left at an uncapped position for a long time, that is usually caused by vibration during The carriage lock mechanism prevents the carriage from being left at an printer transportation, user’s mishandling of the printer, and so on.

  • Page 36: Paper Loading Mechanism

    EPSON Stylus COLOR 860/1160 Revision C 2.1.1.7 Paper Loading Mechanism Torque from the ASF/Pump motor is transmitted to the ASF as described below: The paper loading mechanism loads paper at the ASF unit and feeds paper to Torque transmission to the ASF unit the PF rollers.

  • Page 37

    EPSON Stylus COLOR 860/1160 Revision C Torque sent from the ASF/Pump motor to the ASF unit via the disengage 1. When the printer power is turned on, the ASF/Pump motor rotates mechanism is used for the following operation. counterclockwise to detect ASF home position. Then the motor rotates clockwise specified steps to set the LD roller and paper turn lever in place.

  • Page 38: Pump Mechanism

    EPSON Stylus COLOR 860/1160 Revision C 2.1.1.8 Pump Mechanism When the ASF/Pump motor torque is switched to the pump unit side by the disengage mechanism, the function of the pump mechanism varies depending The pump mechanism absorbs ink from the printhead or the cap assembly.

  • Page 39: Capping Mechanism

    EPSON Stylus COLOR 860/1160 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 860/1160, 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 860/1160 Revision C 2.2 Electrical Circuit Operating Principles The electric circuit of the Stylus COLOR 860/1160 is composed of the following boards. Main board: C298MAIN (Stylus COLOR 860/1160) Power supply board: C298PSB/PSE (Stylus COLOR 860/1160) Panel board:...

  • Page 41: C298psb/pse Board

    EPSON Stylus COLOR 860/1160 Revision C 2.2.1 C298PSB/PSE Board Table 2-9. Application of the DC Voltages Voltage Application The Stylus COLOR 860 and Stylus COLOR 1160 are equipped with the C298PSB/PSE, the common power supply board for the both products. The...

  • Page 42

    EPSON Stylus COLOR 860/1160 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 860/1160 Revision C 2.2.2 C298MAIN Board The logic circuit of the C298MAIN is composed of the following: CR Encoder senser Logic line (CPU, ASIC, DRAM, EEPROM, and so on) CR Motor CN8 HD FFC Various motor control/driver circuits (CR motor, PF motor, and ASF/...

  • Page 44

    EPSON Stylus COLOR 860/1160 Revision C Table 2-11 shows the functions of the CPU, ASIC, and slave CPU. Table 2-11. Functions of the CPUs and ASIC Location Function • Sets the current value for the ASF/Pump motor. • Measures the printhead temperature.

  • 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 860/1160 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 860/1160 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 860/1160 is equipped with a DC motor for the CR motor. In...

  • Page 48

    EPSON Stylus COLOR 860/1160 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 860/1160 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 860/1160 is equipped with a DC motor for the PF motor.

  • Page 50: Asf/pump Motor Driver Circuit, Eeprom Control Circuit

    EPSON Stylus COLOR 860/1160 Revision C 2.2.2.5 ASF/Pump Motor Driver Circuit 2.2.2.6 EEPROM Control Circuit The block diagram for the ASF/Pump motor is as shown below: Since EEPROM is nonvolatile memory, it keeps information written if the printer power is turned off. Information stored in EEPROM is various adjustment values, factory values, and printer status values.

  • Page 51: Sensor Circuit

    EPSON Stylus COLOR 860/1160 Revision C 2.2.2.7 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 860/1160 is equipped with the following five sensors to The I/C detection sensor included in the CR unit determines whether a detect the status of the printer.

  • Page 52

    EPSON Stylus COLOR 860/1160 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. The minimum resolution of the sensor is 1/180 inch, (minimum 1/720 inches with all edges of Phase A and Phase B) and outputs HIGH signals for the black bands of the scale and LOW signals for the transparent parts to the ASIC.

  • Page 53: Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 54

    EPSON Stylus COLOR 860/1160 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 860/1160 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 860/1160 can detect the following six errors and seven status, and indicates them with the LEDs, as shown below.

  • Page 56

    EPSON Stylus COLOR 860/1160 Revision C See the following tables which show the error conditions and Table 3-4. Error Condition and the Possible Causes (continued) corresponding possible causes: Error Condition Possible Causes 1. The CR Encorder FFC has come off from the CR Fatal Error Encorder Sensor board.

  • Page 57: Remedies For Paper Out Error

    EPSON Stylus COLOR 860/1160 Revision C 3.1.1.1 Remedies for Paper Out Error Table 3-5. 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 When the Paper Set a cleaning sheet in the ASF up side down.

  • Page 58

    EPSON Stylus COLOR 860/1160 Revision C Table 3-5. Remedies for Paper Out Error (continued) Step Detail Phenomenon Check & Actions When the Paper Check if the PE sensor is defective. Feed SW is pressed, Measure the voltage at the yellow 3-pin connector CN5...

  • Page 59: Remedies For The Paper Jam Error

    EPSON Stylus COLOR 860/1160 Revision C 3.1.1.2 Remedies for the Paper Jam Error Table 3-6. 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 860/1160 Revision C 3.1.1.3 Remedies for No I/C and Ink Out Errors Table 3-7. Remedies for No I/C and Ink Out Errors This section includes the check points and corresponding actions which Step Detail Phenomenon Check & Actions are necessary when the black ink (or color ink) LED comes on or blinks at power on despite the ink cartridge has been replaced with a new one.

  • Page 61

    EPSON Stylus COLOR 860/1160 Revision C Table 3-7. Remedies for No I/C and Ink Out Errors (continued) Table 3-7. 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 860/1160 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 3-8 to solve the problem.

  • Page 63: Remedies For Fatal Error

    EPSON Stylus COLOR 860/1160 Revision C 3.1.1.5 Remedies for Fatal Error Table 3-9. 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 860/1160 Revision C Table 3-9. Remedies for Fatal Error (continued) Table 3-9. 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

    EPSON Stylus COLOR 860/1160 Revision C Table 3-9. Remedies for Fatal Error (continued) Step Detail Phenomenon Check & Actions • Make sure if the ASF unit is not assembled to the When the Printer is suitable position as following figures turned on, •...

  • Page 66: Isolating The Faulty Part On The Power Supply Board, Epson Stylus Color

    EPSON Stylus COLOR 860/1160 Revision C 3.1.2 Isolating the Faulty Part on the Power Supply Board This section explains how to troubleshoot the following problems: Table 3-10. Isolating the Faulty Part on the Power Supply Board o The printer is turned on, but the initialization is not performed and...

  • Page 67

    EPSON Stylus COLOR 860/1160 Revision C Table 3-10. Isolating the Faulty Part on the Power Supply Board Table 3-10. Isolating the Faulty Part on the Power Supply Board Step Check Point Action Step Check Point Action Is the main switching...

  • Page 68: Isolating The Faulty Part According To The Phenomenon

    EPSON Stylus COLOR 860/1160 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 69

    EPSON Stylus COLOR 860/1160 Revision C Table 3-12. CR Motor does not Operate Table 3-13. 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 70

    EPSON Stylus COLOR 860/1160 Revision C Table 3-14. Pump/ASF Motor does not Operate Table 3-14. Pump/ASF Motor does not Operate (continued) Step Check Point Action Step Check Point Action Getting ready for The CN7 for the Pump/ASF motor is located on the...

  • Page 71

    EPSON Stylus COLOR 860/1160 Revision C Table 3-15. Cleaning does not Solve the Print Problem Table 3-15. Cleaning does not Solve the Print Problem (continued) Step Check Point Action Step Check Point Action Repeat the cleaning Unlike the previous products, the Stylus Color 860/...

  • Page 72

    EPSON Stylus COLOR 860/1160 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 73

    EPSON Stylus COLOR 860/1160 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 waveforms.

  • Page 74: Disassembly And Assembly

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

  • Page 75: Precautions For Disassembling The Printer, Overview

    This chapter describes procedures for disassembling the main components of Wear protective goggles to protect your eyes from ink. If ink EPSON Stylus COLOR 860/1160. Unless otherwise specified, disassembly gets in your eye, flush the eye with fresh water and see a units or components can be reassembled by reversing the disassembly doctor immediately.

  • Page 76: Tools

    EPSON Stylus COLOR 860/1160 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 77: Specification For Screws

    EPSON Stylus COLOR 860/1160 Revision C 4.1.3 Specification for Screws 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 78: Service Checks After Repair

    EPSON Stylus COLOR 860/1160 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 79: Disassembly Procedures

    EPSON Stylus COLOR 860/1160 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 80: Removing The Upper Housing

    EPSON Stylus COLOR 860/1160 Revision C 4.2.1 Removing the Upper Housing Since the printer mechanism itself structures the bottom part, the printer Stylus COLOR 860 Stylus COLOR 1160 mechanism appears just by removing the Upper Housing. 1. Open the printer cover and turn the PG adjustment lever towards (+) side.

  • Page 81: Removing The Circuit Board Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.2 Removing the Circuit Board Assembly 3) Pull out the “M/B Shield Plate Assembly” a little bit and remove cables which are hung on the holders A and B as you can see in Figure 4-3. Then Since the Main Board and Power Supply Circuit Board are built in a separate take all cables below out of the connectors on the main board.

  • Page 82

    EPSON Stylus COLOR 860/1160 Revision C C298PSB/PSE Be sure to perform the following adjustments after replacing No1. Screws C298MAIN Board Board the Main Board; 1. Head voltage ID Input (Refer to Chapter 5.) 2. Bi-D adjustment, including Head Gap Adjustment (Refer to Chapter 5.)

  • Page 83: Removing The Operation Panel

    EPSON Stylus COLOR 860/1160 Revision C 4.2.3 Removing the Operation Panel The panel board equipped with each printer is as follows: - Stylus COLOR 860: C298PNL Stylus COLOR 1160 Stylus COLOR 860 - Stylus COLOR 1160: C304PNL No.1 Screws No.1 Screws 1.

  • Page 84: Disassembling The Printer Mechanism

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4 Disassembling the Printer Mechanism Since Stylus Color 860/1160 do not have the Lower Housing, the printer mechanism part should already appear by now. Therefore, this section explains procedures for disassembling the major parts or units of the printer mechanism.

  • Page 85: Removing The Printhead Unit

    EPSON Stylus COLOR 860/1160 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 side with tweezers or small driver and release the CR Lock Lever from the CR unit. Then move the CR Assembly to the left.

  • Page 86

    EPSON Stylus COLOR 860/1160 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 87: Removing The Waste Ink Absorber Tray Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.2 Removing the Waste Ink Absorber Tray Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) Paper Eject Assy 2) Remove one screw (No.1) securing the Left Housing Panel to the Printer No3. Screws Mechanism.

  • Page 88

    EPSON Stylus COLOR 860/1160 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 Figure 4-11. 2. Be careful not to damage Loop Scale when removing the Tray Spacer.

  • Page 89: Removing The Ink System Assembly

    EPSON Stylus COLOR 860/1160 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 90

    EPSON Stylus COLOR 860/1160 Revision C 6) From the Middle Frame, remove three screws (No.1) securing the Pump Assembly in the Ink System Assembly. Middle Frame Then, from the Right Frame, remove one screw (No.1) securing the Cap Assembly in the Ink System Assembly. Refer to Figure 4-14.

  • Page 91

    EPSON Stylus COLOR 860/1160 Revision C Ink Absorption Pad Since the spring is included among the gears in the pump About 45 assembly, make sure that the parts do not pop out during disassembly and assembly. When assembling the Cap Assembly to the Ink System Assembly, make sure that the Ink absorption Pad has been set in the Cap Assembly.

  • Page 92: Removing The Cr Motor Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.4 Removing the CR Motor Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1) Top Frame CR Motor 2) Using tweezers or a small screw driver, slide the CR Lock Lever to front and release the CR Lock Lever from the CR unit.

  • Page 93: Removing The De Assembly (include The Asf/pump Motor)

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.5 Removing the DE Assembly (include the ASF/Pump motor) 1. Remove the Upper Housing (Refer to Section 4.2.1) 2) Remove the Ink System Assembly (Pump Assembly & Cap Assembly) (Refer to Section 4.2.4.3) Tension Spring 7.3 3) Remove the CR Motor Assembly.

  • Page 94

    EPSON Stylus COLOR 860/1160 Revision C 7) Remove the Torsion Spring 0.618 between DE Lock Lever and the hook on the DE unit. Refer to Figure 4-22. Torsion Spring 0.618 DE Lock Lever DE Lock Lever Hook on the DE Unit...

  • Page 95

    EPSON Stylus COLOR 860/1160 Revision C 11) Remove the several cables from the hook on the DE Assembly and disconnect the connector from the PE sensor. When you push down the hook in Step 8 to remove the DE Lock Lever, be careful not to break the hook.

  • Page 96

    EPSON Stylus COLOR 860/1160 Revision C Combination Gear 12, 22.4 Combination Gear Combination Gear 17.19, 25.6 17.19, 25.6 Combination Gear 14, 28 DE Assembly Tension Belt Figure 4-27. Setting the Tension Belt to 17.19 Gear Tension Spring 7.3 Hook on the Planetary Gear 15.2...

  • Page 97: Removing The Asf Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.6 Removing the ASF Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) 4) Slide the ASF unit to the right (viewed from back) and pull it backward carefully while holding up the Sub Paper Support Upper. Refer to Figure 2) Remove the following Cables from the cable hook in right side (viewed 4-30.

  • Page 98

    EPSON Stylus COLOR 860/1160 Revision C When installing the ASF assembly, make sure that the Screws for ASF Assembly should be used at the following protrusion on the ASF is assembled into the fixing hole in positions. (Looking from the back of printer). Refer to the Middle Frame.

  • Page 99: Removing The Paper Feed Roller Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.6.1 Removing the Paper Feed Roller Assembly 1. Remove the ASF assembly. (Refer to Section 4.2.4.6.) 4) Move the left Paper Feed Roller Assembly to the center. Then: Stylus COLOR 860: Remove the Left LD Roller Fixing Bushing (white 2) Remove the Gear 32 from the right edge of the LD Shaft by releasing the plastic) attached to the left end of the LD Roller Shaft.

  • Page 100

    EPSON Stylus COLOR 860/1160 Revision C 6) Release the Hopper Assembly fixing hooks from the protrusion at the top 7) Set the right arm portion of the Hopper Assembly to the square hole in the left corner of the ASF Frame by following the step in Figure 4-35.

  • Page 101

    EPSON Stylus COLOR 860/1160 Revision C 8) Using tweezers, carefully take out the right and left compression springs 1.961 that are fixed between the Paper Feed Roller Assembly and the Hopper Assembly. Refer to Figure 4-41. 9) Lift up the right Paper Feed Roller Assembly a little to release the right end of the LD Roller Shaft, and move the LD Roller Shaft to the right.

  • Page 102

    EPSON Stylus COLOR 860/1160 Revision C 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 103

    EPSON Stylus COLOR 860/1160 Revision C Compression Spring 1.961 Groove in the left side of the edge guide Top left edge of the left Paper Feed Roller Assembly Hooks for the Compression Spring Figure 1-39-1. Engaging the Paper Guide Figure 4-41. Setting the Compression Spring 1.961...

  • Page 104: Removing The Right And Left Ld Roller Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.6.2 Removing the Right and Left LD Roller Assembly 1. Disassemble the ASF assembly and remove the Paper Feed Roller Assembly and Hopper Assembly from the ASF Assembly. (Refer to Section 4.2.4.6.) 2) Release the two hooks fixing the LD Roller Cover to the Paper Feed Roller Assembly.

  • Page 105: Removing The Cr Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.7 Removing the CR Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1) Driven Pulley Holder 2) Remove the Tesntion Spring 1.494 fixing the CR Encoder Slit Plate to the Compression Spring 23.52 protrusion in the left side of the Top Frame and remove the CR Encoder Slit Plate carefully from the CR unit.

  • Page 106

    EPSON Stylus COLOR 860/1160 Revision C 7) Move the PG Lever to bring its hooks to the wider areas of the cutouts in 10) Remove one screw (No.7) and rotate the Right Parallelism Adjustment the right side of the Top Frame. Then remove the PG Lever by releasing Bushing and move it forward to align the locking protrusion of the Right the hooks.

  • Page 107

    EPSON Stylus COLOR 860/1160 Revision C 11) Holding the carriage, remove the Right Parallelism Adjustment Bushing carefully by pushing it to the right slightly. 12) Remove the CR Assembly together with the CR Guide Shaft. Do not touch the surface of the CR Liner scale by hand. Dirt CR Assembly or stain causes the CR Unit to move incorrectly.

  • Page 108: Disassembling The Cr Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.7.1 Disassembling the CR Assembly 3) Remove the I/C Detector Holder by releasing the four hooks. Refer to Figure 4-51. 1. Remove the Printhead Unit. (Refer to Section 4.2.4.1) 2) Remove the No. 9 screw securing the I/C Detector Holder Bushing. Then...

  • Page 109

    EPSON Stylus COLOR 860/1160 Revision C 5) Remove the CR Encoder Board Assembly from the CR Frame as shown in Figure 4-53. Torsion Spring Torsion Spring 1.08 CR Encoder Board Assembly Hanging portion Hanging portion I/C Detector CR Assembly Figure 4-54. Assembling the I/C Detector Lever Figure 4-53.

  • Page 110: Removing The Pf Roller Assembly And Paper Eject Roller Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.8 Removing the PF Roller Assembly and Paper Eject Roller Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) NOTE: The number of Upper Paper Guide Assemblies attached to each model varies as shown below: 2) Remove the Control Panel and Left Housing Panel.

  • Page 111

    EPSON Stylus COLOR 860/1160 Revision C 9) Remove three screws (No.1) securing the Front Frame to the Printer Mechanism and remove it. Refer to Figure 4-59. 10) Remove three screws (No.1) securing the Paper Eject Frame Assembly and remove it. Refer to Figure 4-59.

  • Page 112

    EPSON Stylus COLOR 860/1160 Revision C 15) Remove one screw (No.1) securing the PF Encoder Detector Assembly 18) Slide the PF Roller Assembly to the left side carefully and pull it out from and remove it from the Printer Mechanism. Refer to Figure 4-62.

  • Page 113

    EPSON Stylus COLOR 860/1160 Revision C Do not bend or damage the PF Loop scale Plate during disassembly and assembly. Do not touch the surface of the PF roller by hand. Torsion Spring 117.6 Be careful not to scratch the PF roller assembly during disassembly and assembly, since its surface is specially coated to improve paper feeding.

  • Page 114: Remove The Pf Motor Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.9 Remove the PF Motor Assembly 1. Remove the Upper Housing (Refer to Section 4.2.1.) 6) Holding the PF Motor, remove one No.5 screw and PF Motor fixing screw securing the PF Motor, and remove the motor from the Left Side Frame.

  • Page 115: Removing The Pe Detector Assembly

    EPSON Stylus COLOR 860/1160 Revision C 4.2.4.10 Removing the PE Detector Assembly 1. Remove the Upper Housing. (Refer to Section 4.2.1.) Four hooks fixing the 2) Remove the ASF Assembly. (Refer to Section 4.2.4.6.) PE Detector Assy 3) Remove the Right Upper Paper Guide to forward releasing the Torsion Spring 117.6.

  • Page 116

    C H A P T E R ADJUSTMENT...

  • Page 117: Required Adjustments, Overview

    EPSON Stylus COLOR 860/1160 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 118: Adjustment Tools Required

    EPSON Stylus COLOR 860/1160 Revision C 5.1.2 Adjustment Tools Required Table 5-3 below shows adjustment tools for Stylus COLOR 860/1160. Table 5-3 Adjustment Tools Required Name Adjustment Item Contents/Spec. Thickness Gauge Parallelism Adjustment thickness:1.14 mm Micro scoop Backlash Adjustment Magnified ratio: x 15 Scale:0.1mm...

  • Page 119: Adjustment, Parallelism Adjustment

    EPSON Stylus COLOR 860/1160 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 860/1160.

  • Page 120

    EPSON Stylus COLOR 860/1160 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 121

    EPSON Stylus COLOR 860/1160 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. Move the carriage next to the head cleaner and make sure that overlap between the tip of the printhead and cleaner head is more than 0.5 mm.

  • Page 122: Backlash Value Adjustment For Pf Motor

    EPSON Stylus COLOR 860/1160 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 123

    EPSON Stylus COLOR 860/1160 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 124

    EPSON Stylus COLOR 860/1160 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 125: Adjustment By Adjustment Program, About Adjustment Program, How To Set Up The Program

    EPSON Stylus COLOR 860/1160 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 126: Choose The Model

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.3 Choose the Model NOTE: When the OK button is pressed in the above menu, this adjustment program dose not verify the model name stored 1. Before performing any adjustment, you need to choose the Model in the PROM.

  • Page 127: Market Destination Check

    EPSON Stylus COLOR 860/1160 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) is stored in the PROM.

  • Page 128: Head Voltage Id Input

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.5 Head Voltage ID Input 3. choose the “Head voltage ID input” and click it. The menu shown in the next page appears. This function is useful This adjustment function is required when any of the following parts is only when the Main board is replaced with new one.

  • Page 129

    EPSON Stylus COLOR 860/1160 Revision C 4. If you replace the failure Main board with a new on, try to perform 6. Choose the “Change data” item in the Head ID input menu and click the “Check present data”. In case the logic circuit dose not have any the OK button.

  • Page 130

    EPSON Stylus COLOR 860/1160 Revision C 8. When the Head ID is input and write to the EEPROM, the following message is displayed on the bottom column in the menu. Figure 5-15. Completing the Head ID input Adjustment Adjustment...

  • Page 131: Head Angular Adjustment

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.6 Head Angular Adjustment During production, slight variations are created in printheads and 1. Choose the “Head angular adjustment” in the Adjustment Main carriage (which are used as a printhead base.) If these differences are menu as following figure.

  • Page 132

    EPSON Stylus COLOR 860/1160 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 5-18. Head Angular adjustment pattern. 4. Choose the “Move the carriage to the head angular adjustment” in the “Head angular adjustment “menu and click the “OK”...

  • Page 133

    EPSON Stylus COLOR 860/1160 Revision C 6. Look at the black/magenta combination in the pattern and move the 7. After changing the position of the adjust lever, choose “Head adjusting lever to make the magenta lines stay between the black angular adjustment pattern”...

  • Page 134: Bi-d Adjustment

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.7 Bi-D Adjustment You perform this adjustment to correct differences in printing positions, which is caused by incorrect 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 135

    EPSON Stylus COLOR 860/1160 Revision C However, this directional difference among Bi-D patterns should not be 5. Choose the misaligned dot size in the following menu and click the considered, and you can always confirm and adjust the pattern correctly “OK”...

  • Page 136

    EPSON Stylus COLOR 860/1160 Revision C 7. Check the printed pattern again and Input the suitable value in the 9. Choose the “Print the Bi-D adjustment patter” and click the “OK” above menu and click the “OK” button. The input value is written in button.

  • Page 137: Usb Id Input

    A unique code called USB ID is input to the specific address of the EEPROM in our manufactory and the following total 18-digit code is used as a USB ID for the EPSON ink jet printer. n Factory line number (3-digit) Figure 5-29.

  • Page 138

    EPSON Stylus COLOR 860/1160 Revision C 4. Input the 10digits code of the serial number in the input menu and 7. Select the “Confirmation of USB port function” and click the “OK” click “OK” button. button in the “USB ID Check/Input” menu.

  • Page 139

    EPSON Stylus COLOR 860/1160 Revision C Flow Y (Windows98 pre-installed) A-1. The message below appears. Click OK. Figure 5-34. Message 2 A-2. The following menu appears. Click OK. * In this menu, only “OK” and “Previous” buttons are effective. Figure 5-36. Conformation Of USB Port Function Menu In the following step, be sure to connect a parallel cable before clicking the OK button.

  • Page 140

    EPSON Stylus COLOR 860/1160 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 141: Initial Ink Charge Operation

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.9 Initial Ink Charge Operation 2. Choose the “Initial Ink charge” item in the “Maintenance Menu” and click the “OK” button. After you replaced any of the following units, perform initial ink charge and return the printer after making sure that ink is ejected correctly from NOTE: As described in the menu message, about 1/5 amount of the printhead.

  • Page 142: Head Cleaning Operation

    EPSON Stylus COLOR 860/1160 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 cleanig (CL1’ cleaning (ink consumption ;1.55ml + rubbing operation) )forcibly. If you can not recover the clogged nozzles despite you performed this cleaning operation, enter the Initial ink charge sequence by referring to Section 5.2.3.11.

  • Page 143: Protection Counter Check/reset

    EPSON Stylus COLOR 860/1160 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 144

    EPSON Stylus COLOR 860/1160 Revision C [ Clear the protection counter value ] 3. After you read the description on the menu, click the “OK” button. When the “OK” button is clicked, the following message is displayed 1. Choose the “Clear the protection counter value” in the on the bottom column in the menu.

  • Page 145: Recovery For The Clogged Nozzle

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.12 Recovery for the clogged nozzle This function repeats to print 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’ mode (1.55ml) + rubbiing operation is always performed.

  • Page 146: Print A4 Pattern

    EPSON Stylus COLOR 860/1160 Revision C 5.2.3.13 Print A4 pattern 2. After complete the printing, following message is displayed on the bottom column in the menu. This function prints following several kinds of the check pattern on the A4 paper. By printing this A4 pattern, you can check the all adjustment result on the printed result.

  • Page 147: Pf Loop Scale Unit Assembling Procedure, Assembling The Pf Loop Scale Unit

    EPSON Stylus COLOR 860/1160 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 148

    EPSON Stylus COLOR 860/1160 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 149: Sticking The Pf Loop Scale Unit To Gear 76

    EPSON Stylus COLOR 860/1160 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 150

    C H A P T E R MAINTENANCE...

  • Page 151: Cleaning, Overview, Service Maintenance

    EPSON Stylus COLOR 860/1160 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 152: Lubrication

    EPSON Stylus COLOR 860/1160 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 determined based on the results of internal evaluations. Therefore, be sure to <Lubrication Point>...

  • Page 153

    EPSON Stylus COLOR 860/1160 Revision C Table 6-2. Lubrication Point (continued) Table 6-2. Lubrication Point (continued) Standard Remarks Standard Remarks <Lubrication Point> <Lubrication Point> “SHAFT, PULLEY, DRIVEN” Groove of “ROLLER, PF” See p. 152. <Lubricant Type> G-26 <Lubricant Type> G-26 See p.

  • Page 154

    EPSON Stylus COLOR 860/1160 Revision C Table 6-2. Lubrication Point (continued) Table 6-2. Lubrication Point (continued) Standard Remarks Standard Remarks <Lubrication Point> Lubricate the oil pad only when: <Lubrication Point> Oil pad in the carriage assembly “GUIDE PLATE, CR” (the part where •...

  • Page 155

    EPSON Stylus COLOR 860/1160 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 BUSHING, 12, LEFT cause fatal damage to the components of the printer.

  • Page 156

    EPSON Stylus COLOR 860/1160 Revision C SHAFT, PULLEY, DRIVEN G-26 PULLEY, DRIVEN G-26 G-26 ROLLER, PF Lubrication Point No. 5, 6 Lubrication Point No. 11 FELT, D3.6 COMBINATION ROLLER, EJECT & GEAR, 12, 22.4 O-12 GROUND SPRING, EJECT O-12 G-26...

  • Page 157

    EPSON Stylus COLOR 860/1160 Revision C G-26 G-26 ROLLER, PF UNIT Lubrication Point No. 13 Lubrication Point No. 14-2 PAPER GUIDE, FRONT G-26 G-26 Lubrication Point No. 14-1 Lubrication Point No. 14-3 Maintenance Overview...

  • Page 158

    EPSON Stylus COLOR 860/1160 Revision C G-26 Shaft for FRAME, LEFT HOPPER ASSY; C G-26 G-26 Lubrication Point No. 16 FRAME, ASF; B G-26 Lubrication Point No. 18 FRAME, ASF; B Lubrication Point No. 17 Maintenance Overview...

  • Page 159

    EPSON Stylus COLOR 860/1160 Revision C Indent Screw G-26 270mm (between the screw and indent) Lubrication Point No. 19 Maintenance Overview...

  • Page 160

    C H A P T E R APPENDIX...

  • Page 161: Connector Summary, Connector Pin Assignment

    EPSON Stylus COLOR 860/1160 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 162

    EPSON Stylus COLOR 860/1160 Revision C Table 7-5. Connector CN8 (continued) Table 7-3. Connector CN6 Signal Name Function Signal Name Function +42V power supply for Nozzle Selector Sensor detect signal GND2 Ground Ground GND2 Ground ASFV Sensor power supply (+5V)

  • Page 163

    EPSON Stylus COLOR 860/1160 Revision C Table 7-6. Connector CN9 (continued) Table 7-8. Connector CN11 (continued) Signal Name Function Signal Name Function ---- ---- Logic power supply Ground LED2 LED drive signal (2) Thermistor detect signal Ground Color I/C detection signal...

  • Page 164: Eeprom Address Map

    EPSON Stylus COLOR 860/1160 Revision C 7.1.2 EEPROM ADDRESS MAP Table 7-12. EEPROM Address Map (continued) QPIT Factory This section provides EEPROM address map for the Stylus Color 860/1100. Address Explanation Settings Settings Settings Table 7-12. EEPROM Address Map Reserved...

  • Page 165

    EPSON Stylus COLOR 860/1160 Revision C Table 7-12. EEPROM Address Map (continued) Table 7-12. 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 1244 to 44 x 360...

  • Page 166

    EPSON Stylus COLOR 860/1160 Revision C Table 7-12. EEPROM Address Map (continued) Table 7-12. 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 167

    EPSON Stylus COLOR 860/1160 Revision C Table 7-12. EEPROM Address Map (continued) Table 7-12. 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 168

    EPSON Stylus COLOR 860/1160 Revision C Table 7-12. 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 169: Circuit Board Component Layout

    EPSON Stylus COLOR 860/1160 Revision C 7.2 Circuit Board Component Layout This section shows the circuit board component layout. Component Side Soldered Side Figure 7-2. C298MAIN Component Layout Appendix Circuit Board Component Layout...

  • Page 170

    EPSON Stylus COLOR 860/1160 Revision C Figure 7-3. C298PSB Component Layout Figure 7-4. C298PSE Component Layout Appendix Circuit Board Component Layout...

  • Page 171

    EPSON Stylus COLOR 860/1160 Revision C Figure 7-5. C298PNL Component Layout Appendix Circuit Board Component Layout...

  • Page 172: Exploded Diagrams And Parts List For Stylus Color 860

    EPSON Stylus COLOR 860/1160 Revision C 7.3 Exploded Diagrams and Parts List for Stylus COLOR 860 EXPLODED DIAGRAMS 182 For LATIN For EAI(220V),EUR,S.E.ASIA, OCEANIA,EKL For EAI,EUL(120V),ETT EPSON STYLUS COLOR 860 No.1 Rev. 01 10144 Appendix Exploded Diagrams and Parts List for Stylus COLOR 860...

  • Page 173

    EPSON Stylus COLOR 860/1160 Revision C EPSON STYLUS COLOR 860 No.2 Rev.01 10144 Appendix Exploded Diagrams and Parts List for Stylus COLOR 860...

  • Page 174

    EPSON Stylus COLOR 860/1160 Revision C EPSON STYLUS COLOR 860 No.3 Rev.01 10144 Appendix Exploded Diagrams and Parts List for Stylus COLOR 860...

  • Page 175

    EPSON Stylus COLOR 860/1160 Revision C EPSON STYLUS COLOR 860 No.4 Rev.01 10144 Appendix Exploded Diagrams and Parts List for Stylus COLOR 860...

  • Page 176

    EPSON Stylus COLOR 860/1160 Revision C without 715,747,748 with581 721 728 EPSON STYLUS COLOR 860 No.5 Rev. 01 10144 Appendix Exploded Diagrams and Parts List for Stylus COLOR 860...

  • Page 177

    EPSON Stylus COLOR 860/1160 Revision C PARTS LIST Table 7-13. Parts List - Stylus COLOR 860 Code Parts Name Code Parts Name Code Parts Name HOUSING COMPRESSION SPRING, 2.94 COMPRESSION SPRING, 5.85 COVER ASSEMBLY LABEL, CAUTION1 BUSHING, 12, LEFT PAPER SUPPORT ASSEMBLY...

  • Page 178

    EPSON Stylus COLOR 860/1160 Revision C Table 7-13. Parts List - Stylus COLOR 860 (continued) Code Parts Name Code Parts Name Code Parts Name BAR SPRING, STAR WHEEL TORSION SPRING, 63.7 BOARD ASSEMBLY, ENCODER PAPER GUIDE, UPPER;B COMBINATION SPRING, 13.5, 30...

  • Page 179

    EPSON Stylus COLOR 860/1160 Revision C Table 7-13. Parts List - Stylus COLOR 860 (continued) Code Parts Name Code Parts Name Code Parts Name CABLE, HEAD, A ROLLER ASSEMBLY, LD, RIGHT ABSORBER, WASTE INK, SMALL HOLDER, CABLE COVER, ROLLER, LD, LEFT CPB TITE(O), 1.7 5, F/Zn...

  • Page 180: Exploded Diagrams And Parts List For Stylus Color 1160

    EPSON Stylus COLOR 860/1160 Revision C 7.4 Exploded Diagrams and Parts List for Stylus COLOR 1160 EXPLODED DIAGRAMS 182 For LATIN 400 for ETT 400 for EAI,EUL(120V) for EAI(220V),EUR, S.E.ASIA, EAL,RUSSIA EPSON STYLUS COLOR 1160 No.1 Rev.01 10132 Appendix Exploded Diagrams and Parts List for Stylus COLOR 1160...

  • Page 181

    EPSON Stylus COLOR 860/1160 Revision C EPSON STYLUS COLOR 1160 No.2 Rev.01 10132 Appendix Exploded Diagrams and Parts List for Stylus COLOR 1160...

  • Page 182

    EPSON Stylus COLOR 860/1160 Revision C (501) (506) EPSON STYLUS COLOR 1160 No.3 Rev.01 10132 Appendix Exploded Diagrams and Parts List for Stylus COLOR 1160...

  • Page 183

    EPSON Stylus COLOR 860/1160 Revision C 721 728 723 718 EPSON STYLUS COLOR 1160 No.4 Rev.01 10132 Appendix Exploded Diagrams and Parts List for Stylus COLOR 1160...

  • Page 184

    EPSON Stylus COLOR 860/1160 Revision C (501) 628 586 628 504 EPSON STYLUS COLOR 1160 No.5 Rev.01 10132 Appendix Exploded Diagrams and Parts List for Stylus COLOR 1160...

  • Page 185

    EPSON Stylus COLOR 860/1160 Revision C PARTS LIST Table 7-14. Parts List for Stylus COLOR 1160 Code Parts Name Code Parts Name Code Parts Name HOUSING COVER,CABLE;B CAP ASSY.;B COVER,PRINTER BUTTON,PS FRAME,LOWER PAPER SUPPOT,ASSY CAP,BUTTON,CSIC SHEET,PROTECTION,INK STACKER,ASSY. TUBE,LENS FRAME,FRONT PANEL,ASSY.

  • Page 186

    EPSON Stylus COLOR 860/1160 Revision C Table 7-14. Parts List for Stylus COLOR 1160 (continued) Code Parts Name Code Parts Name Code Parts Name SPUR GEAR,28 GUIDE PLATE,CR PAPER SUPPORT,SUPPORT,UPPER,LEFT BUSHING,12,RIGHT SHEET,CABLE PAPER SUPPORT,SUUPPORT,UPPER PLANE WASHER,4.1X0.5X6.5 SCREW,MOUNT,PF U-TYPE SPRING,5.2X0.13X10,S/NA PAPER GUIDE ASSY.,FRONT CARRIAGE ASSY.

  • Page 187

    EPSON Stylus COLOR 860/1160 Revision C Table 7-14. Parts List for Stylus COLOR 1160 (continued) Code Parts Name Code Parts Name Code Parts Name FFC,ENCODER HOLDER,STAR WHEEL,SUPPORT PAD ASSY.,RIGHT EXTENSION SPRING,1.494 BUSHU,ROLLER PF,SUPPORT LEVER,PAD,RELEASE,RIGHT MINI CRAMP,UAMS-05SN LEVER,ROLLER PF,SUPPORT ROD SPRING,HOLDER,PAD...

  • Page 188

    EPSON Stylus COLOR 860/1160 Revision C Table 7-14. Parts List for Stylus COLOR 1160 (continued) Code Parts Name Code Parts Name Code Parts Name STRENGTHEN PLATE,FRAME,ASF CABLE,HEAD,B C.C.P-TITE SCREW,3X8,F/ZN HOLDER ASSY.,STAR WHEEL,RIGHT,ASP POLUS PAD,FL HOLDER ASSY.,STAR WHEEL,LEFT,ASP TAPE,14X17 HOLDER ASSY,STAR WHEEL,SUPPORT(ASP)

  • Page 189: Circuit Diagram

    EPSON Stylus COLOR 860/1160 Revision C 7.5 Circuit Diagram This section contains the following circuit diagrams: C298PNL Board C304PNL Board C298PSB Board C298PSE Board C298MAIN Board Appendix Circuit Diagram...

This manual also for:

Stylus color 860

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