Epson Stylus PHOTO 1270 Service Manual
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Epson Stylus PHOTO 1270 Service Manual

Color inkjet printer
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SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
Color ink jet printer
EPSON Stylus PHOTO 870/1270
®
SEIJ99013

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Summary of Contents for Epson Stylus PHOTO 1270

  • Page 1 SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL Color ink jet printer EPSON Stylus PHOTO 870/1270 ® SEIJ99013...
  • Page 2 ! 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. ! The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.
  • 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 Revision B PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus PHOTO 870/1270. 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. The chapters are organized as follows: CHAPTER 1.
  • Page 5 EPSON Stylus PHOTO 870/1270 Revision B Revision Status Revision Issued Date Description November 18, 1999 First Release • Information in Chapter 1 is fixed. January 5, 2000 • Parts List for the Stylus Photo 1270 is included.

  • Page 6: Table Of Contents

    EPSON Stylus PHOTO 870/1270 Revision B Table of Contents PRODUCT DESCRIPTIONS DIMENSION ....................31 OVERVIEW ....................10 OPERATING PRINCIPLES Features ....................10 Accessories, Consumable Products, and Options ......11 OVERVIEW ....................33 Printhead Mechanism ................34 BASIC SPECIFICATIONS ................13 Carriage Mechanism ................35 Printing Specification ................13 Carriage Motor (CR Motor) ............35 Paper Specifications ................15...
  • Page 7 EPSON Stylus PHOTO 870/1270 Revision B Troubleshooting with LED Error Indicators .........57 Adjustment Items ................117 Error Conditions ................58 Adjustment Tools ................118 Remedies for Paper Out Error ............60 ADJUSTMENT ..................119 Remedies for the Paper Jam Error ..........62 Parallelism Adjsutment ..............119 Remedies for No Ink Cartridge Error/Ink Cartridge Problem ..63 Backlash Adjsutment ................121...
  • Page 8 EPSON Stylus PHOTO 870/1270 Revision B EEPROM ADDRESS MAP .................151 CIRCUIT BOARD COMPONENT LAYOUT ..........155 EXPLODED DIAGRAMS ................158 Exploded Diagrams for Stylus PHOTO 870 ........158 Exploded Diagrams for Stylus PHOTO 1270 ........164 PARTS LIST ....................170 Parts List for Stylus PHOTO 870 ............170 Parts List for Stylus PHOTO 1270 ............174...

  • Page 9: Product Descriptions

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

  • Page 10: Overview

    Revision B 1.1 Overview The EPSON Stylus PHOTO 870 and EPSON Stylus PHOTO 1270 are designed for both home use and office use. As the enhanced models of Stylus Photo 750 and Stylus Photo 1200, they offer greater performance in both print speed and quality.

  • Page 11: Accessories, Consumable Products, And Options

    CD-ROM (printer driver and utilities) EPSON Photo Quality Self Adhesive Sheet (A4) S041106 CONSUMABLE PRODUCTS EPSON Ink Jet Note Cards A6 (with envelops) S041147 NOTE: The product name of the ink cartridges may vary by location. EPSON Ink Jet Greeting Cards 5x8” (with envelopes) S041148 NOTE: The availability of special media varies by location.
  • Page 12 EPSON Photo Stickers 16 (A6) S041144 EPSON Photo Stickers 4 (A6) S041176 EPSON Ink Jet Transparencies (A4) S041063 EPSON Ink Jet Transparencies (Letter) S041064 EPSON Ink Jet Backlight Film (A3)* S041131 OPTIONS Table 1-2. Options Name Code Parallel Interface cable (shielded) C83602*...

  • Page 13: Basic Specifications

    EPSON Stylus PHOTO 870/1270 Revision B 1.2 Basic Specifications PRINT SPEED & PRINTABLE COLUMNS 1.2.1 Printing Specification Table 1-3. In the Character Mode Character Pitch Printable coumns LQ Speed PRINT METHOD • 80 (Stylus PHOTO 870) 10 CPI (Pica) 238 CPS •...
  • Page 14 EPSON Stylus PHOTO 870/1270 Revision B CHARACTER TABLES Two international character sets: PC437 (US, Standard Europe PC850 (Multilingual) TYPEFACE Bitmap LQ font EPSON Courier 10 CPI PAPER FEEDING " Feed method: Friction feed with ASF " Paper path: Cut-sheet ASF (top entry front out) "...

  • Page 15: Paper Specifications

    EPSON Stylus PHOTO 870/1270 Revision B " 1.2.2 Paper Specifications 360dpi Ink Jet Paper A3+*, A3*, A4, A6, B5, Letter, Legal, 5”x8”, 5”x10” CUT SHEET *: For Stylus PHOTO 1270 only. " " Size: See the table below: Ink Jet Transparencies A4, Letter Table 1-5.

  • Page 16: Printing Area

    EPSON Stylus PHOTO 870/1270 Revision B 1.2.3 Printing Area 1.2.3.1 Cut Sheet Table 1-6. Printing Area - Character Mode See the figure below and the following tables for the printing area for Left Margin Right Margin Top Margin Bottom Margin Stylus PHOTO 870/Stylus PHOTO 1270.

  • Page 17: Envelopes

    EPSON Stylus PHOTO 870/1270 Revision B 1.2.3.2 Envelopes 1.2.4 Adjust Lever Set the adjust lever according to the type of paper as shown in the following table. Table 1-9. Adjust Lever Setting Position Paper Setting Position Cut sheet, OHP Sheet,...

  • Page 18: Input Data Buffer

    EPSON Stylus PHOTO 870/1270 Revision B " 1.2.7 Electric Specification Print capacity: Stylus PHOTO 870: 220 pages / A4 (360 dpi, 5% duty each color) 120V VERSION Stylus PHOTO 1270: 330 pages / A4 (360 dpi, 5% duty each color) "...

  • Page 19: Reliability

    EPSON Stylus PHOTO 870/1270 Revision B 1.2.8 Reliability " Total print volume: 25,000 pages (black, A4, Letter) 10,000 pages (color, A4, Letter) " Printhead life: 3 billion dots/nozzle 1.2.9 Safety, EMC 120 V VERSION " Safety standard: UL1950 CSAC22.2 No.950 "...

  • Page 20: Environmental Condition

    EPSON Stylus PHOTO 870/1270 Revision B 1.2.12 Environmental Condition RESISTANCE TO VIBRATION " Operating: 0.15G TEMPERATURE " Non-operating: 0.50G (in a shipment container) " Operating: 10 to 35 C (See the figure below.) " Non-operating: -20 to 60 C (in a shipment container)

  • Page 21: Interface

    EPSON Stylus PHOTO 870/1270 Revision B 1.3 Interface Table 1-10. Parameters Parameter Minimum Maximum The EPSON Stylus PHOTO 870/1270 provide USB and parallel interface as tsetup 500ns standard. thold 500ns 1.3.1 Parallel Interface (Forward Channel) tstb 500ns " Transmission mode:...
  • Page 22 EPSON Stylus PHOTO 870/1270 Revision B Table 1-12. Signal Level: TTL Compatible (IEEE-1284 level 1 device) Parameter Minimum Maximum Condition VOH* 5.5V VOL* -0.5V IOH* 0.32mA VOH = 2.4V IOL* 12mA VOL = 0.4V 50pF 2.0V 0.8V 0.32mA VIH = 2.0V 12mA VIL = 0.8V...
  • Page 23 EPSON Stylus PHOTO 870/1270 Revision B Table 1-13. Connector Pin Assignment and Signals Signal Return Pin No. In/Out Functional Description Name GND Pin The strobe pulse. Read-in of data is performed at the falling edge of this -STROBE pulse. The DATA0 through DATA7 signals represent data bits 0 to 7, respectively.

  • Page 24: Parallel Interface (Reserve Channel)

    EPSON Stylus PHOTO 870/1270 Revision B 1.3.2 Parallel Interface (Reserve Channel) " " Transmission mode: IEEE-1284 nibble mode Handshaking: Refer to the IEEE-1284 specification. " " Adaptable connector See forward channel. Data trans. timing: Refer to the IEEE-1284 specification. "...
  • Page 25 EPSON Stylus PHOTO 870/1270 Revision B When IEEE1284.4 is disabled, EXTENSIBILITY REQUEST [00H][59H] The printer responds affirmatively when the extensibility request values MFG:EPSON; are 00H or 04H, which means: CMD:ESCPL2,BDC; MDL:Stylus[SP]Photo[SP]1270; 00H: Request Nibble Mode Reverse Channel Transfer. CLS:PRINTER; 04H: Request Device ID;...

  • Page 26: Usb Interface

    EPSON Stylus PHOTO 870/1270 Revision B 1.3.3 USB Interface " Standard: Based on: “Universal Serial Bus Specifications Rev. 1.0” “Universal Serial Bus Device Class Definition for Printing Devices Version 1.0” " Bit rate: 12Mbps (Full Speed Device) " Data encoding: NRZI "...

  • Page 27: Prevention Of Data Transfer Time-Out

    EPSON Stylus PHOTO 870/1270 Revision B 1.3.4 Prevention of Data Transfer Time-out multiplexing services. The multiplexed logical channels are independent of each other and blocking of one has no effect on the others. The Generally, hosts abandon data transfer to peripherals when the peripheral protocol operates over IEEE1284.

  • Page 28: Operations

    EPSON Stylus PHOTO 870/1270 Revision B 1.4 Operations 1.4.2 LED Indicators " Power Lights when the power switch is “ON” and AC power is supplied. 1.4.1 Buttons " Paper Out " Operating button Lights during the paper out condition, and blinks during the paper jam "...

  • Page 29: Panel Functions

    EPSON Stylus PHOTO 870/1270 Revision B 1.4.3 Panel Functions Table 1-18. Content of 1BH of EEPROM [bit7] [bit6] Actions Table 1-16. Panel Functions Print firmware version, ink counter, selected code page and nozzle check Buttons Function pattern. • Loads or ejects paper.

  • Page 30: Printer Condition And Panel Status

    EPSON Stylus PHOTO 870/1270 Revision B 1.4.5 Printer Condition and Panel Status 1.4.6 Errors Table 1-20 shows various errors and printer status. INK OUT When the printer runs out most of the ink of any color, it warns of an ink Table 1-20.

  • Page 31: Printer Initialization

    EPSON Stylus PHOTO 870/1270 Revision B 1.4.7 Printer Initialization 1.5 Dimension There are three kinds of initialization methods as explained below: EXTERNAL DIMENSION 1. Power on initialization It performs the following when the printer is turned on or the printer...

  • Page 32: Operating Principles

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

  • Page 33: Overview

    PRINTER MECHANISM PF Motor Pinion Detector Wheel PF Motor Unlike other EPSON ink jet printers, the EPSON Stylus Photo 870/1270 uses ASF Sensor Flashing Window a DC motor as power source. The DC motor enables the printer to lower (at 80th or 136th column) LD Roller Shaft noise during printing.

  • Page 34: Printhead Mechanism

    The printhead mechanism operating principles of the Stylus Photo 870/ CSIC: 1270 are basically the same as for the previous EPSON ink jet printers. CSIC is a non-volatile memory EEPROM attached to each black This printer, however, employs a newly developed ink and improved and color ink cartridge.

  • Page 35: Carriage Mechanism

    EPSON Stylus Photo 870/1270 Revision B 2.1.2 Carriage Mechanism The carriage mechanism of the Stylus Photo 870/1270 is composed of the carriage motor (CR motor), carriage guide shaft, platen gap adjustment/ parallelism adjustment mechanism, carriage lock mechanism, and so on.

  • Page 36: Platen Gap (Pg) /Parallelism Adjustment Mechanism

    Therefore, a rotary encoder attached to the left end of the PR roller shaft controls paper feed amount. For detailed information, see Unlike previous Epson ink jet printers, the carriage home position is Section "PF motor driver circuit". detected with the drive current from the CR motor and speed/position signal from the linear encoder.
  • Page 37 EPSON Stylus Photo 870/1270 Revision B Figure 2-4 gives the paper feeding mechanism block diagram, showing the parts along the PF motor drive transmission paths. Paper Eject Roller Combination Gear [Previous Models] (13.5, 308) Printhead PF Roller Platen Surface Support Roller...

  • Page 38: Cr Lock Mechanism

    EPSON Stylus Photo 870/1270 Revision B 2.1.3.1 CR Lock Mechanism The carriage lock mechanism prevents the carriage from being left uncapped for a long time, which is usually caused by vibration during printer transportation, user’s mishandling of the printer, and so on. If the carriage unit is left uncapped for a long time, ink on the printhead surface dries gradually and, eventually, ink can not flow to nozzles.

  • Page 39: Paper Loading Mechanism

    EPSON Stylus Photo 870/1270 Revision B 2.1.4 Paper Loading Mechanism 2.1.4.1 Drive Transmission to the ASF Unit 1) The CR unit moves to the right end of the CR shaft, which then pushes The paper loading mechanism loads paper at the ASF unit and feeds the DE lock lever to the right end.

  • Page 40: Paper Loading Operation

    EPSON Stylus Photo 870/1270 Revision B 2.1.4.2 Paper Loading Operation Multiple paper loading prevention mechanism is included in the ASF unit to ensure steady paper loading. To prevent any paper from falling from the paper set position into the paper path, the paper return lever pushes paper that may have fallen off back onto the hopper.

  • Page 41: Pump Mechanism

    EPSON Stylus Photo 870/1270 Revision B " 2.1.4.3 Pump Mechanism Torque transmission to the pump unit The torque from the ASF/Pump motor is transmitted to the pump The pump mechanism absorbs ink from the printhead and the cap mechanism as described below: assembly.

  • Page 42: Capping Mechanism

    EPSON Stylus Photo 870/1270 Revision B 2.1.4.4 Capping Mechanism The capping mechanism of this printer is a newly designed valveless capping mechanism. So, unlike previous printers, it does not integrates The capping mechanism, which is driven by the pump unit, caps the an air valve.

  • Page 43: Electrical Circuit Operating Principles

    EPSON Stylus Photo 870/1270 Revision B 2.2 Electrical Circuit Operating Principles 2.2.1 C298PSB/PSE Board The electric circuit of the Stylus Photo 870/1270 consists of the following: " Control circuit board: C304MAIN The power supply board for the Stylus Photo 870 and Stylus Photo 1270 is "...
  • Page 44 EPSON Stylus Photo 870/1270 Revision B Figure 2-11 shows the block diagram for the C298PSB/PSE board. The C298PSB/PSE Board produces the +42VDC and +5VDC using AC power as described below: 1. Regardless of the power switch’s on/off condition, voltage is always applied to the primary side of the power supply board from the moment or at the state that AC-plug is plugged in.

  • Page 45: Protection Circuits

    EPSON Stylus Photo 870/1270 Revision B 2.2.1.2 Protection Circuits 2.2.1.3 Power Supply Control Function The C298PSB/PSE board has the various protection circuits to stop Since this printer has the power switch in the secondary circuit, even if its voltage outputs if an abnormal condition relating to the control circuit or power is turned off through the operation panel, it can continue to supply the printer mechanism’s duty occurs.

  • Page 46: C304Main Board Circuit Operation Principles

    EPSON Stylus Photo 870/1270 Revision B 2.2.2 C304MAIN Board Circuit Operation Principles See Figure 2-12 for the C304MAIN board block diagram. The C304MAIN board includes the following: Logic circuit (CPU, ASIC, DRAM, EEPROM, and so on) Various motor control/driver circuits (CR motor, PF motor, and...
  • Page 47 EPSON Stylus Photo 870/1270 Revision B Table 2-9 shows the major ICs on the C304MAIN Board and their functions. Table 2-9. Major Element on C304MAIN Location Functions A 128-pin SQFP package. Operates at 24.0MHz. Power supply voltage is 3.3V. • Sets the current value for the ASF/Pump motor.

  • Page 48: Printhead Driver Circuit

    Figure 2-13. Printhead Driver Circuit head nozzle rows, to be transferred to the nozzle selector IR2C95F (Sharp) or SED6125T0A (EPSON) through the six signal lines (HS01 to HS06). Data transmission from IC8 ASIC (E05B70**) to the nozzle selector synchronizes with the LAT signal and SCK clock signal.

  • Page 49: Reset Circuit

    EPSON Stylus Photo 870/1270 Revision B 2.2.2.2 Reset Circuit 2.2.2.3 Motor Driver Circuit Reset circuits are attached on the C304MAIN board to monitor the two The Stylus Photo 870/1270 is equipped with the CR motor and PF motor voltages: +5V for the logic line and +42V for the drive line. When each that are DC motors and ASF/Pump motor, a stepping motor.
  • Page 50 EPSON Stylus Photo 870/1270 Revision B " determine the CR position and the direction in which the CR moves. The Home position detection slave CPU outputs specified control signals to the motor driver. The Home position is detected based on the pulses output from the linear motor driver IC18 then outputs CR motor drive current to the CR motor.
  • Page 51 EPSON Stylus Photo 870/1270 Revision B PTS (Print Timing Signal) production PF motor driver circuit The circuit produces PTS signal (cycle: 1/360 inches) by dividing waveform cycles of Phase A. The print timing signal is used to eject A DC motor is used as the PF motor in this printer. In addition to the CPU ink at a correct timing.

  • Page 52: Asf/Pump Motor Driver Circuit

    EPSON Stylus Photo 870/1270 Revision B 2.2.2.4 ASF/Pump Motor Driver Circuit attached on the Gear 76 to detect paper feed amount. The loop scale encoder sensor outputs two kinds of TTL level pulses ASF/Pump motor is a PM type stepping motor. The block diagram for the Phase A and Phase B to ASIC (IC8).

  • Page 53: Eeprom Control Circuit

    EPSON Stylus Photo 870/1270 Revision B 2.2.2.5 EEPROM Control Circuit 2.2.2.6 Sensor Circuit Since EEPROM is a nonvolatile memory, it keeps information written if The Stylus Photo 870/1270 has the following five sensors to detect the printer power is turned off. It stores such information as adjustment printer’s status.
  • Page 54 EPSON Stylus Photo 870/1270 Revision B " Each sensor’s functions and operating principles are as described below: CR motor encoder CR motor encoder consists of the transmission photo sensor " PE sensor assembled in the CR unit and the linear scale attached along the CR The PE sensor is located at the bottom right edge of the top frame in scanning line.

  • Page 55: Troubleshooting

    C H A P T E R TROUBLESHOOTING...

  • Page 56: Overview

    EPSON Stylus Photo 870/1270 Revision B 3.1 Overview Table 3-1. Motor Resistance and Measurement Procedure This chapter describes how to troubleshoot problems. It consists of the sections shown in the flowchart below. When identifying and Connector Motor Check pins Coil resistance...

  • Page 57: Self-Diagnostic Function

    EPSON Stylus Photo 870/1270 Revision B 3.1.1 Self-Diagnostic Function The EPSON Stylus PHOTO 870/1270 is equipped with the self-diagnostic function. With this function, the printer can check its operations after power-on, and shows its various conditions using LED indicators. 3.1.1.1 Troubleshooting with LED Error Indicators Table 3-3.

  • Page 58: Error Conditions

    EPSON Stylus Photo 870/1270 Revision B 3.1.1.2 Error Conditions Maintenance Request This printer indicates an error when detecting the following conditions, Total wasted ink amount reaches capacity. The printer stops operations. and sets the interface signal “/ERROR” to LOW and “BUSY” to HIGH to stop data input.
  • Page 59 EPSON Stylus Photo 870/1270 Revision B Table 3-4. Error Condition and Possible Causes Error Possible Causes Refer to: Paper Out 1. Failure in paper loading Table 3-5 2. PE sensor connector is disconnected. 3. Sensor actuator is not acting properly or sensor bracket is not installed correctly.

  • Page 60: Remedies For Paper Out Error

    EPSON Stylus Photo 870/1270 Revision B 3.1.1.3 Remedies for Paper Out Error Table 3-5. Remedies for Paper Out Error Step Problem Check & Actions This section provides checkpoints and corresponding actions to take when a Paper Out error occurs for either of the following reasons: Load/Eject button is 1.
  • Page 61 EPSON Stylus Photo 870/1270 Revision B Table 3-5. Remedies for Paper Out Error (continued) Step Problem Check & Actions • Using your hand, move the actuator as if it Ditto Ditto were being pushed by incoming paper. Then release the actuator and check if it automatically returns to its original position with the tension of the torsion spring.

  • Page 62: Remedies For The Paper Jam Error

    EPSON Stylus Photo 870/1270 Revision B 3.1.1.4 Remedies for the Paper Jam Error Table 3-6. Remedies for Paper Jam Error Step Problem Check & Actions This section includes the checkpoints and actions the take to troubleshoot the Paper Jam error when it occurs during paper feeding or after the...

  • Page 63: Remedies For No Ink Cartridge Error/Ink Cartridge Problem

    EPSON Stylus Photo 870/1270 Revision B 3.1.1.5 Remedies for No Ink Cartridge Error/Ink Cartridge 3.1.1.6 Remedies for Maintenance Request Error Problem If the printer is in this error condition, it stops all operations, including This section includes the checkpoints and corresponding actions to take data transfer, except for specified control panel functions.

  • Page 64: Remedies For Fatal Error

    EPSON Stylus Photo 870/1270 Revision B 3.1.1.7 Remedies for Fatal Error Table 3-9. Remedies for Fatal Error (continued) Step Problem Check & Actions A fatal error is basically caused by any of the following conditions: • Referring to the figure below, check that the When the Printer is The printer fails to detect the CR home position.
  • Page 65 EPSON Stylus Photo 870/1270 Revision B Table 3-9. Remedies for Fatal Error (continued) Table 3-9. Remedies for Fatal Error (continued) Step Problem Check & Actions Step Problem Check & Actions The printer is Check for the signal output from the PF encoder...
  • Page 66 EPSON Stylus Photo 870/1270 Revision B Table 3-9. Remedies for Fatal Error (continued) Step Problem Check & Actions The Printer is Check that the ASF unit is properly installed by turned on but: the correct points as shown below: • ASF makes no noises.

  • Page 67: Isolating The Faulty Part On The Power Supply Board

    EPSON Stylus Photo 870/1270 Revision B 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 The printer is turned on but it does not perform initialization and...
  • Page 68 EPSON Stylus Photo 870/1270 Revision B 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 Checkpoint Action Step Checkpoint Action Is the switching FET Check the electrical continuity of the switching...

  • Page 69: Isolating The Faulty Part According To The Phenomenon

    EPSON Stylus Photo 870/1270 Revision B 3.1.3 Isolating the Faulty Part according to the Phenomenon Refer to this section if you could not solve the problem in Section 3.1.1.1 Table 3-12. CR Motor does not Work or Section 3.1.2 or need more information to isolate the cause according to the exhibited phenomenon.
  • Page 70 EPSON Stylus Photo 870/1270 Revision B Table 3-13. PF Motor does not Work Table 3-14. Pump/ASF Motor does not Work Step Checkpoint Action Step Checkpoint Action Getting ready Using an oscilloscope, check the outputwaveform at Getting ready Using an oscilloscope, check the outputwaveform at for checking CN13 (PF motor connector) on the main board.
  • Page 71 EPSON Stylus Photo 870/1270 Revision B Table 3-15. Cleaning Does not Solve the Problem Table 3-15. Cleaning Does not Solve the Problem (continued) Step Checkpoint Action Step Checkpoint Action Run the head Run the head cleaning by pressing the Cleaning...
  • Page 72 EPSON Stylus Photo 870/1270 Revision B Table 3-15. Cleaning Does not Solve the Problem (continued) Table 3-15. Cleaning Does not Solve the Problem (continued) Step Checkpoint Action Step Checkpoint Action Check if the head Remove the head FFC holder from the CR unit,...

  • Page 73: Disassembly And Assembly

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

  • Page 74: Overview

    4.1.1 Precaution for Disassembling the Printer See the precautions given under the heading “WARNING” and This chapter describes procedures for disassembling the main “CAUTION” in this section when disassembling or assembling EPSON components of the EPSON Stylus Photo 870/1270. Unless otherwise Stylus COLOR 860/1160.

  • Page 75: Tools

    EPSON Stylus Photo 870/1270 Revision B 4.1.2 Tools Risque d’explosion si la pile est remplacée incorrectment. Table 4-1 lists the tools recommended for disassembling, assembling, or Ne remplacer que par une pile du même type ou d’un type adjusting the printer. Use only tools that meet these specifications.

  • Page 76: Specifications For Screws

    EPSON Stylus Photo 870/1270 Revision B 4.1.3 Specifications 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. Table 4-2. Screw Specifications...

  • Page 77: Service Checks After Repair

    EPSON Stylus Photo 870/1270 Revision B 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 Repaired Printer...

  • Page 78: Disassembly Procedures

    EPSON Stylus Photo 870/1270 Revision B 4.2 Disassembly Procedures The flowchart below shows procedures for disassembly. START STAR HOUSING Removal Circuit Board Printhead Unit MOTOR ASSEMBLY, Carriage Unit ASF Unit Removal Assembly Removal Removal ASF Removal Removal MOTOR ASSEMBLY, SHAFT, ROLLER, LD...

  • Page 79: Housing Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.1 HOUSING Removal Since the printer mechanism itself structures the bottom part, it appears just by removing HOUSING. 1. Open the printer cover and set the PG adjustment lever to (+). 2. Remove the four screws (CBS, 3x10) securing HOUSING, and remove...

  • Page 80: Circuit Board Assembly Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.2 Circuit Board Assembly Removal 3. Lifting up SHIELD PLATE, M/B Unit a little, remove COVER, CABLE and COVER, CABLE; B together with the cables. Since BOARD ASSEMBLY, MAIN and BOARD ASSEMBLY, POWER 4. Disconnect all cables from the connectors on the main board and SUPPLY are built in a bracket separated from the Printer Mechanism, they power supply board.
  • Page 81 EPSON Stylus Photo 870/1270 Revision B C298PSB/PSE Since the CN10 is a locking connector, be sure to unlock Board it before disconnecting the cables. CBS (3x6) C304MAIN Board Since the head FFCs have the same number of pins, be sure to connect them to the right connectors.
  • Page 82 EPSON Stylus Photo 870/1270 Revision B When installing SHIELD PLATE, M/B to the printer mechanism, set the cables, COVER CABLE, and COVER, CABLE; B as shown in the figure below: COVER, CABLE COVER, CABLE; B Opening Opening Figure 4-5. Setting the Cables to the Cable Covers...

  • Page 83: Panel Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.3 Panel Unit Removal 1. Remove HOUSING. (Refer to Section 4.2.1.) 2. Remove the harness for the Panel Unit from the frame in the printer Pins mechanism. CBS (3x6) When installing the harness to the printer mechanism, be sure to stick it along the marking line on the frame.
  • Page 84 EPSON Stylus Photo 870/1270 Revision B 6. Remove the two screws (CBP, 3x8) securing SHIELD PLAT, PANEL to the Panel Unit, and then remove SHIELD PLATE, PANEL. SHIELD PLATE, PANEL CBP (3x8) CBP (3x8) BOARD ASSEMBLY, PANEL Cup P-Tite (3x6)

  • Page 85: Printhead Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.4 Printhead Unit Removal 7. Remove the TORSION SPRING, 28.4 hung to the carriage and FASTENER, HEAD. 1. Remove HOUSING. (Refer to Section 4.2.1.) 2. Set the PG lever to the rear. 3. Using tweezers, put the CR lock lever down to unlock the carriage.
  • Page 86 EPSON Stylus Photo 870/1270 Revision B When you replace the Printhead Unit, perform the following adjustments: 1. Initial ink charge (Refer to Chapter 5/Section 5.1.1.) 2. Head Voltage ID Input (Refer to Chapter 5/Section 5.1.2.) 3. Head Angular Adjustment (Refer to Chapter 5/Section 5.1.3.)

  • Page 87: Tray, Absorber Assembly Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.5 TRAY, ABSORBER ASSEMBLY Removal 6. Remove the two screws (CBS, 3x6) securing HOUSING, SUB, LEFT to the printer mechanism. 1. Remove HOUSING. (Refer to Section 4.2.1.) 7. Release the three hooks (two at the bottom and one in the front) fixing HOUSING, SUB, LEFT to the printer mechanism, and remove 2.
  • Page 88 EPSON Stylus Photo 870/1270 Revision B 9. Removing the one screw (CBP, 3x8) securing TRAY, ABSORBER ASSEMBLY to the right part of the printer mechanism. 10. Remove SPACER, TRAY securing TRAY, ABSORBER to the left side of the printer mechanism, and then remove TRAY, ABSORBER by moving it downward.

  • Page 89: Ink Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.6 Ink Unit Removal NOTE: Ink Unit consists of the Pump Unit, Cleaner Head, and Cap Assembly. FRAME, MIDDLE CBS (3x6) 1. Remove HOUSING. (Refer to Section 4.2.1.) FRAME, TOP 2. Remove the Panel Unit. (Refer to Section 4.2.3.) 3.
  • Page 90 EPSON Stylus Photo 870/1270 Revision B 1. When handling CLEANER, HEAD, note the points below: Do not touch CLEANER, HEAD with your bare hands. Ware gloves or use tweezers. Do not smear CLEANER, HEAD with oil or grease. When installing CLEANER, HEAD, set the rubber side (black side) facing to the right.
  • Page 91 EPSON Stylus Photo 870/1270 Revision B Tube is not stretched out. Tube is not bent. Figure 4-17. Ink Tube Installation (2) Pump Unit Marking line on the tube 2 mm Figure 4-18. Connedtign the Tube to the Pump Unit Disassembly And Assembly...

  • Page 92: Motor Assembly, Cr Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.7 MOTOR ASSEMBLY, CR Removal 1. Remove HOUSING. (Refer to Section 4.2.1) 2. Using tweezers or a small screw driver, put the carriage lock lever MOTOR ASSEMBLY, CR down to the front, and then slide the carriage to the middle of the FRAME, TOP printer mechanism.

  • Page 93: Motor Assembly, Asf Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.8 MOTOR ASSEMBLY, ASF Removal BRACKET, MOTOR, ASF 1. Remove HOUSING (Refer to Section 4.2.1.) 2. Remove the harness for MOTOR ASSEMBLY, ASF from the main board. (Refer to Section 4.2.2.) 3. Lower LEVER, PLANETARY UNIT.

  • Page 94: De Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.9 DE Unit Removal 5. Remove MOTOR, CR. (Refer to Section 4.2.7.) 6. Loosen the one screw (CBS, 3x6) securing the LEVER ASSEMBLY, 1. Remove HOUSING (Refer to Section 4.2.2.) COMBINATION GEAR to FRAME, MIDDLE.
  • Page 95 EPSON Stylus Photo 870/1270 Revision B 8. Remove the tension spring (0.618) attached to the LEVER, DE, LOCK 9. Release the hook in the DE Unit (BRACKET, MOTOR, ASF) securing and DE Unit. LEVER, DE, LOCK. Then push the lever out to the right to release it from the installation hole in the DE Unit and remove it.
  • Page 96 EPSON Stylus Photo 870/1270 Revision B 10. Remove the CBS screw (3x6) and CBP (3x8) screw securing the DE unit to FRAME, MIDDLE and FRAME, TOP, respectively. Then remove Check that all gears are assembled in the DE unit DE unit.

  • Page 97: Asf Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.10 ASF Unit Removal 1. Remove HOUSING. (Refer to Section 4.2.1.) 2. Remove the following cables from the cable clamp in the left side of the ASF Assembly. ASF HP sensor cable MOTOR ASSEMBLY, PF cable 3.
  • Page 98 EPSON Stylus Photo 870/1270 Revision B When installing the ASF assembly to FRAME, BOTTOM, When connecting the cables for ASF HP sensor and make sure the protrusion on the ASF fits in the MOTOR ASSEMBLY, PF, set them in the cable clamp in installation hole in FRAME, MIDDLE.

  • Page 99: Shaft, Roller, Ld Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.10.1 SHAFT, ROLLER, LD Removal 1. Remove the ASF Unit. (Refer to Section 4.2.10.) BUSHING, FIXING, 2. Releasing the hook on Gear, 32, remove the gear from SHAFT, SHAFT, LEFT ROLLER, LD. E-Ring HOLDER, SHEET,...
  • Page 100 EPSON Stylus Photo 870/1270 Revision B 8. Release the Hopper Assembly from the pin in the top left corner of 10. Using tweezers, remove the left and right compression springs (1.961) ASF, FRAME; B in the order indicated with arrows in the figure below.
  • Page 101 EPSON Stylus Photo 870/1270 Revision B WHEEL LEVER, HOPPER, RELEASE DETECTOR Hopper Assembly BUSHING, FIXING, SHAFT, LEFT FRAME, ASF;B COMPRESSION SPRING, 1.961 Left LD Roller Assembly SHAFT, ROLLER, LD LEVER, HOPPER, RELEASE COMPRESSION Gear, 32 SPRING, 1.961 Right LD Roller Assembly Figure 4-38.
  • Page 102 EPSON Stylus Photo 870/1270 Revision B While assembling the ASF Unit, be careful not to smear any parts with oil on the cam parts. If oil gets other parts, it should be wiped off. LEVER, HOPPER, RELEASE When installing LEVER, HOPPER, RELEASE, set it in the correct direction.
  • Page 103 EPSON Stylus Photo 870/1270 Revision B When installing the edge guide to the left LD Roller Assembly, ensure that the rib in the LD Roller Assembly fits correctly into the groove in the edge guide. (See Figure 4-41.) Hook in the FRAME, ASF; B Make sure that the right LD Roller Assembly is fixed with the hook in FRAME, ASF;...

  • Page 104: Roller Assembly, Ld, Right/Left Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.10.2 ROLLER ASSEMBLY, LD, RIGHT/LEFT Removal 1. Remove the ASF Unit. (Refer to Section 4.2.10.) Compression 2. Remove SHAFT, ROLLER, LD. (Refer to Section 4.2.10.1.) Spring, 1.961 COVER, ROLLER, 3. Release the hooks in COVER, ROLLER, LD, RIGHT/LEFT (two hooks in...

  • Page 105: Carriage Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.11 Carriage Unit Removal 5. Push PULLEY, DRIVEN down and remove it from HOLDER, PULLEY, DRIVEN. 1. Remove HOUSING. (Refer to Section 4.2.1) 2. Disconnect the head FFC from the printhead. (Refer to Section 4.2.4.) 3.
  • Page 106 EPSON Stylus Photo 870/1270 Revision B 8. Remove the torsion spring (63.7) hung onto FRAME, TOP and LEVER, Notch in BUSHING, FRAME, TOP PARALLELISM ADJUSTMENT, RIGHT CBS Tite Sems R2 BUSHING, PARALLELISM ADJUSTMENT, RIGHT Leaf Spring LEVER, PG, SUB TORSION SPRING, 63.7 Figure 4-50.

  • Page 107: Board Assembly, Encoder Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.12 BOARD ASSEMBLY, ENCODER Removal When installing the Leaf Spring (6.2x 0.15x11), set it with 1. Remove the head FFC. (Refer to Section 4.2.4.) its convex side facing inward. Refer to Figure 4-49. After setting SCALE, CR through the slot for the sensor 2.

  • Page 108: Roller, Pf Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.13 ROLLER, PF Removal 7. Remove PAPER GUIDE, RIGHT Unit and the five PAPER GUIDE, UPPER Unit (eight for Stylus Photo 1270) from FRAME, TOP in the 1. Remove HOUSING. (Refer to Section 4.2.1) manner described below: 2.
  • Page 109 EPSON Stylus Photo 870/1270 Revision B 9. Remove the three screws (CBS, 3x6) securing FRAME, TOP to the 11. Remove PAPER GUIDE, FRONT from ROLLER, PF by releasing its two printer mechanism. Then remove FRAME, TOP. U-shaped forks fixing ROLLER, PAPER EJECT.
  • Page 110 EPSON Stylus Photo 870/1270 Revision B 13. Raise the two bushings (6) attached to the right and left ends of 15. Remove CONTACT SPRING, PF hung to ROLLER, PF and FRAME, ROLLER, PAPER EJECT to release them from FRAME, LEFT and BOTTOM.

  • Page 111: Scale, Pf Installation

    EPSON Stylus Photo 870/1270 Revision B 4.2.13.1 SCALE, PF Installation When installing PAPER GUIDE, RIGHT to FRAME, TOP This section describes how to install the following parts: with the torsion spring, insert PAPER GUIDE, RIGHT Unit from the front making sure the PE sensor lever is set in SCALE, PF (Loop Scale) the hole of the paper guide.
  • Page 112 EPSON Stylus Photo 870/1270 Revision B 4. Set SCALE, PF onto BRACKET, SCALE with its front side facing 5. Remove the base sheet of TAPE, D50 and stick it to SCALE, PF. downward. Protection Sheet TAPE, D50 Protection Sheet Set the scale’s front side facing downward.
  • Page 113 EPSON Stylus Photo 870/1270 Revision B 7. Fit the round cutouts in SCALE, PF to the protrusions on SPUR GEAR (76) making sure the scale and the gear are parallel. But note you Check that the protrusions on the gear (76) are sticking don’t attach the scale to the gear yet.

  • Page 114: Motor Assembly, Pf Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.14 MOTOR ASSEMBLY, PF Removal 6. Remove the one screw (CBS, 3x6), plane washer (3.3x0.5x8), and SCREW, MOUNTING, PF that are securing MOTOR ASSEMBLY, PF to 1. Remove HOUSING. (Refer to Section 4.2.1) FRAME, LEFT. Then remove MOTOR ASSEMBLY, PF.

  • Page 115: Pe Sensor Unit Removal

    EPSON Stylus Photo 870/1270 Revision B 4.2.15 PE Sensor Unit Removal 1. Remove HOUSING. (Refer to Section 4.2.1) 2. Remove the ASF Unit. (Refer to Section 4.2.10.) 3. Remove the DE Unit. (Refer to Section 4.2.9.) 4. Remove PAPER GUIDE, RIGHT Unit. (Refer to Section 4.2.13.) 5.

  • Page 116: Adjustment

    C H A P T E R ADJUSTMENT...

  • Page 117: Overview

    EPSON Stylus Photo 870/1270 Revision B 5.1 Overview The table below lists the type of repair and required adjustments in the order to be made. This chapter describes adjustments required after you disassemble or replace Stylus Photo 870/1270. Table 5-2. Type of Repair and Required Adjustment...

  • Page 118: Adjustment Tools

    EPSON Stylus Photo 870/1270 Revision B 5.1.2 Adjustment Tools The table below shows adjustment tools you need for servicing the Stylus Photo 870/1270. Table 5-3. Adjustment Tools Tool Type of adjustment Specifications Thickness Gauge Parallelism Adjsutment Thickness: 1.14 mm Microscope...

  • Page 119: Adjustment

    EPSON Stylus Photo 870/1270 Revision B 5.2 Adjustment 1. Install the right and left parallelism adjustment bushings to the printer This section explains the procedure for each adjustment. mechanism by aligning their marks with the notches on the frames. 5.2.1 Parallelism Adjsutment...
  • Page 120 EPSON Stylus Photo 870/1270 Revision B 4. Bring the carriage to the center of the printer mechanism. Then place 5. Move the carriage unit over the gauge on the right. the thickness gauges (1.14 mm) on the front paper guide aligning 6.

  • Page 121: Backlash Adjsutment

    EPSON Stylus Photo 870/1270 Revision B 5.2.2 Backlash Adjsutment Before you begin, make sure the following parts are removed: COMBINATION GEAR, 13.5, 30 This section describes Backlash Adjsutment that is to be made after removing the PF motor. This adjustment provides an appropriate TRAY, ABSORBER ASSEMBLY backlash ( 0.1 mm or less) for PF motor pinion gear and the gear (76).
  • Page 122 EPSON Stylus Photo 870/1270 Revision B 1. Loosen the screw (CBS, 3x6) securing the PF motor assembly to the 5. Fasten the screw (CBS, 3x6) to secure the PF motor assembly to the left frame by rotating it half. left frame.

  • Page 123: Using The Adjustment Program

    The basic adjustment items you can perform using this program are as While you are running the service program on Windows shown below: 95, you can not use EPSON Status Monitor. Therefore, close the printer window on the task bar before you start Table 5-4. Adjustments Using the Program the program.

  • Page 124: Starting The Service Program

    EPSON Stylus Photo 870/1270 Revision B 5.2.3.4 Starting the Service Program 3. Select the destination and click . The selection menu below appears: 1. Launch the service program. The initial window appears: Figure 5-8. Selection Menu Figure 5-6. Initial Window 4.

  • Page 125: Market Destination Check

    EPSON Stylus Photo 870/1270 Revision B 5.2.4 Market destination check If you need to check for the model name you have input, select Check this model name and click . The printer is reset and displays the model Using this function, you can check that the correct destination is stored in name.

  • Page 126: Head Voltage Id Input

    EPSON Stylus Photo 870/1270 Revision B 5.2.5 Head voltage ID input 5.2.5.2 Check Present Data 1. Start the service program and get to the main menu. This function lets you write the head ID to the EEPROM on the main board.

  • Page 127: Change Data

    EPSON Stylus Photo 870/1270 Revision B 5.2.5.3 Change Data 4. Click , and the head ID read from the EEPROM appears as in the example below: 1. Start the service program and get to the main menu. 2. Select Head voltage ID input from the menu. The head voltage ID input window appears.

  • Page 128: Head Angular Adjsutment

    EPSON Stylus Photo 870/1270 Revision B 5.2.6 Head angular adjsutment 1. Loosen the two screws (CBP, 3x6) securing the head fastener to the carriage and the one screw (CBB Sems W2, 2.5x6) securing the During production process, tolerance in carriage unit and printhead size printhead to the carriage.
  • Page 129 EPSON Stylus Photo 870/1270 Revision B 5. As in the example, the adjustment pattern prints in black and 11. If you need to continue to the next adjustment, return to the Head magenta. If the result is not correct as shown in the example in Figure angular adjsutment window and select it from the menu.

  • Page 130: Bi-Directional Adjustment

    EPSON Stylus Photo 870/1270 Revision B 5.2.7 Bi-Directional adjustment 4. In the Print the Bi-D adjustment pattern window, click . The Bi-D pattern begins to print. It prints in the Multi Shot Color mode, 6pl This adjustment is required when line misalignment (incorrect print...
  • Page 131 EPSON Stylus Photo 870/1270 Revision B 6. In the Bi-D adjustment window, select the desirable item and click The adjustment window for the selected print mode appears. Figure 5-23. Check Present Adjustment Data Window 13. Click Continue to go back to the Bi-D adjustment window.

  • Page 132: Usb Id Check/Input

    EPSON Stylus Photo 870/1270 Revision B 5.2.8 USB ID check/input 5.2.8.1 Inputting/Checking the USB ID 1. Starts the service program and get to the main menu. You are required to perform USB ID check/input whenever you replace the main board.
  • Page 133 EPSON Stylus Photo 870/1270 Revision B 4. Get the 10-digit serial number marked on the identification plate at the back of the printer. 5. Input the serial number and click . A new USB ID is displayed. Verify the USB ID to be stored in EEPROM.

  • Page 134: Head Cleaning

    EPSON Stylus Photo 870/1270 Revision B 5.2.9 Head cleaning Head cleaning is more powerful than the head cleaning performed by pressing the cleaning button. It is effective when a dot missing problem occurs. 1. Starts the service program and get to the main menu.

  • Page 135: Initial Ink Charge

    EPSON Stylus Photo 870/1270 Revision B 5.2.10 Initial ink charge 5.2.11 Protection counter check If the Head cleaning is not powerful enough to solve the dot missing This function enables you to check the current value for the protect problem, perform Initial ink charge that consumes more ink.

  • Page 136: Clear The Protection Counter Values

    EPSON Stylus Photo 870/1270 Revision B 4. In the protect counter check/clear window, select Check the present counter values and click . The Check the present protection counter values window appears. 5. Click , and the present protection counter value is displayed.

  • Page 137: Csic Information

    EPSON Stylus Photo 870/1270 Revision B 5.2.12 CSIC information 5.2.13 Print A4 pattern A CSIC is an EEPROM mounted on each black and color cartridge. It stores This function lets the printer to print several test patterns on a A4 paper to various data such as ink life.

  • Page 138: Maintenance

    C H A P T E R MAINTENANCE...

  • Page 139: Overview

    EPSON Stylus Photo 870/1270 Revision B 6.1 Overview 6.1.2 Service Maintenance If print irregularity (missing dot, white line, etc.) has occurred or the This section describes points and procedures for maintaining the printer printer indicates “Maintenance Error”, take the following actions to clear in its optimum condition.

  • Page 140: Lubrication

    EPSON Stylus Photo 870/1270 Revision B 6.1.3 Lubrication printer is returned to the customer). Once you have the confirmation of the customer, replace the waste ink pad and reset The type and amount of oil and grease used to lubricate the printer parts the counter.
  • Page 141 EPSON Stylus Photo 870/1270 Revision B Table 6-2. Lubrication Point (continued) Table 6-2. Lubrication Point Lubricant Type & Lubricant Type & Lubrication Point Refer to: Lubrication Point Refer to: Amount Amount FELT, D3.6 for COMBINATION GEAR O-12 Page 143 BUSHING, 12, RIGHT...
  • Page 142 EPSON Stylus Photo 870/1270 Revision B Table 6-2. Lubrication Point (continued) Lubricant Type & Lubrication Point Refer to: Amount G-26 The COMBINATION GEAR 13.5, 30 G-26 Page 144 shaft in FRAME, LEFT 1 x 5mm The LD roller assembly hole in the...
  • Page 143 EPSON Stylus Photo 870/1270 Revision B SHAFT, PULLEY, DRIVEN Lubrication Point No.3 Lubrication Point No.5 G-26 G-26 Lubrication Point No. 6 BUSHING, 12, LEFT G-26 SHAFT, CR, GUIDE PULLEY, DRIVEN Lubrication Points No.7 - No.11 FELT, D3.6 COMBINATION O-12 GEAR, 12, 22.4 FELT, D3.6...
  • Page 144 EPSON Stylus Photo 870/1270 Revision B G-26 CONTACT SPRING, PAPER EJECT Lubrication Point G-26 No.15 G-26 G-26 Lubrication Point No.13 PAPER GUIDE, REAR ROLLER, PF Shaft for COMBINATION GEAR 13.5, 30 G-26 G-26 G-26 Lubrication Point No.12 Lubrication Point No.17 Lubrication Point No.14...
  • Page 145 EPSON Stylus Photo 870/1270 Revision B G-26 Hook for the CR motor linear scale Screw Lubrication Point No.18 G-26 G-26 Lubrication Point No.20 Lubrication Point No.19 G-26 MAINTENANCE Overview...

  • Page 146: Appendix

    C H A P T E R APPENDIX...

  • Page 147: Connector Summary

    EPSON Stylus PHOTO 870/1270 Revision B 7.1 Connector Summary 7.1.1 Connector Pin Assignment This section provides information on connectors connecting main Table 7-1. Connector Assignment components of the printer. Connector Function Table to refer to Parallel interface connector USB interface connector...
  • Page 148 EPSON Stylus PHOTO 870/1270 Revision B Table 7-2. Connector Pin Assignment - CN5 Table 7-5. Connector Pin Assignment - CN8 Signal Name Function Signal Name Function PE signal CR encoder output B CR encoder output A Ground Table 7-3. Connector Pin Assignment - CN6...
  • Page 149 EPSON Stylus PHOTO 870/1270 Revision B Table 7-6. Connector Pin Assignment - CN9 Table 7-7. Connector Pin Assignment - CN10 Signal Name Function Signal Name Function Color ink cartridge +42V from the power +42V detection supply board Ground +42V from the power...
  • Page 150 EPSON Stylus PHOTO 870/1270 Revision B Table 7-9. Connector Pin Assignment - CN12 Signal Name Function Ground Rotary encoder Phase B output Rotary encoder Phase A output Ground Table 7-10. Connector Pin Assignment - CN13 Signal Name Function PF-A PF motor Phase A...

  • Page 151: Eeprom Address Map

    EPSON Stylus PHOTO 870/1270 Revision B 7.2 EEPROM Address Map Table 7-12. EEPROM Address Map (continued) QPIT Factory Address Explanation Setting Settings Settings This section provides the EEPROM address map. bit1: Network I/F mode (0=Off, 1=On) Auto LF, Network I/F Table 7-12.
  • Page 152 EPSON Stylus PHOTO 870/1270 Revision B Table 7-12. EEPROM Address Map (continued) Table 7-12. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting Settings Settings Settings Settings 2DH- bit7: Reserved Reserved bit6:Black 1st cartridge bit5: YMC 1st cartridge...
  • Page 153 EPSON Stylus PHOTO 870/1270 Revision B Table 7-12. EEPROM Address Map (continued) Table 7-12. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting Settings Settings Settings Settings accumulated printing time Ink counter Clm CSIC1_InkName1 CSIC2_InkName2...
  • Page 154 EPSON Stylus PHOTO 870/1270 Revision B Table 7-12. EEPROM Address Map (continued) Table 7-12. EEPROM Address Map (continued) QPIT Factory QPIT Factory Address Explanation Setting Address Explanation Setting Settings Settings Settings Settings Head Actuator Rank +30<=n<=+70 ID for IwC Reserved Head Actuator Rank +30<=n<=+70...

  • Page 155: Circuit Board Component Layout

    EPSON Stylus PHOTO 870/1270 Revision B 7.3 Circuit Board Component Layout C304MAIN CONTROL CIRCUIT BOARD Component Side Soldered Side Figure 7-2. Component Layout - C304MAIN APPENDIX Circuit Board Component Layout...
  • Page 156 EPSON Stylus PHOTO 870/1270 Revision B C298PSB/PSE CIRCUIT BOARD Figure 7-4. Component Layout - C298PSE Figure 7-3. Component Layout - C298PSB APPENDIX Circuit Board Component Layout...
  • Page 157 EPSON Stylus PHOTO 870/1270 Revision B C304PNL CIRCUIT BOARD Figure 7-5. Component Layout - C304PNL APPENDIX Circuit Board Component Layout...

  • Page 158: Exploded Diagrams

    EPSON Stylus PHOTO 870/1270 Revision B 7.4 Exploded Diagrams 7.4.1 Exploded Diagrams for Stylus PHOTO 870 See the following pages for the exploded diagrams for the Stylus PHOTO 870. APPENDIX Exploded Diagrams...
  • Page 159 JPN for JPN for LATIN,EUR for JPN PM-800C/EPSON STYLUS PHOTO 870 No.1 Rev. 01 10155...
  • Page 160 PM-800C/EPSON STYLUS PHOTO 870 No.2 Rev.01 10155...
  • Page 161 545x5 PM-800C/EPSON STYLUS PHOTO 870 No.3 Rev.01 10155...
  • Page 162 PM-800C/EPSON STYLUS PHOTO 870 No.4 Rev. 01 10155...
  • Page 163 581 without 715,747,748 721 728 PM-800C/EPSON STYLUS PHOTO 870 No.5 Rev. 01 10155...

  • Page 164: Exploded Diagrams For Stylus Photo 1270

    EPSON Stylus PHOTO 870/1270 Revision B 7.4.2 Exploded Diagrams for Stylus PHOTO 1270 See the following pages for the exploded diagrams for the Stylus PHOTO 1270. APPENDIX Exploded Diagrams...
  • Page 165 183 for JPN EAI(LATIN) 185 for for EAI,EUL(120V),ETT For EAI(220V),EUR, S.E.ASIA, EAL,EKL PM-3300C / EPSON STYLUS PHOTO 1270 No.1 Rev. 01 10151...
  • Page 166 PM-3300C / EPSON STYLUS PHOTO 1270 No.2 Rev. 01 10151...
  • Page 167 (501) (506) PM-3300C / EPSON STYLUS PHOTO 1270 No.3 Rev. 01 10151...
  • Page 168 (501) 525 521 523 517 530 556 542 544 PM-3300C / EPSON STYLUS PHOTO 1270 No.4 Rev. 01 10151...
  • Page 169 PM-3300C / EPSON STYLUS PHOTO 1270 No.5 Rev. 01 10151...

  • Page 170: Parts List

    EPSON Stylus PHOTO 870/1270 Revision B 7.5 Parts List 7.5.1 Parts List for Stylus PHOTO 870 Table 7-13. Parts List for Stylus PHOTO 870 Code Parts Name Code Parts Name Code Parts Name HOUSING CBP TITE SCREW, M3X8, F/ZN PUMP ASSEMBLY...
  • Page 171 EPSON Stylus PHOTO 870/1270 Revision B Table 7-13. Parts List for Stylus PHOTO 870 (continued) Code Parts Name Code Parts Name Code Parts Name E-RING LEVER, CR, LOCK SHAFT, SPUR GEAR, PLANETARY SPUR GEAR, 28 GUIDE PLATE, CR U-SHAPE SPRING, 5.2 X 0.13X10, S/NA...
  • Page 172 EPSON Stylus PHOTO 870/1270 Revision B Table 7-13. Parts List for Stylus PHOTO 870 (continued) Code Parts Name Code Parts Name Code Parts Name TENSION SPRING, 7.37 CORK COMPRESSION SPRING, 1.961 LEVER ASSEMBLY, COMBINATION GEAR SLIDER, EDGE GUIDE LEVER, FIXING, EDGE GUIDE;B RETAINING RING, D8.8...
  • Page 173 EPSON Stylus PHOTO 870/1270 Revision B Table 7-13. Parts List for Stylus PHOTO 870 (continued) Code Parts Name Code Parts Name Code Parts Name CLEANER HEAD, ASP ABSORBER, WASTE INK, SMALL CBB TITE SEMS W2 SCREW, M2.5X6, F/ZB CABLE HEAD, B...

  • Page 174: Parts List For Stylus Photo 1270

    EPSON Stylus PHOTO 870/1270 Revision B 7.5.2 Parts List for Stylus PHOTO 1270 Table 7-14. Parts List for Stylus PHOTO 1270 Code Parts Name Code Parts Name Code Parts Name HOUSING COVER,CABLE;B SHEET,PROTECTION,INK COVER ASSY. BUTTON,PS FRAME,FRONT PAPER SUPPOT,ASSY BUTTON,CSIC BUSHING,PARALLELISM ADJUST,LEFT STACKER,ASSY.
  • Page 175 EPSON Stylus PHOTO 870/1270 Revision B Table 7-14. Parts List for Stylus PHOTO 1270 (continued) Code Parts Name Code Parts Name Code Parts Name PLANE WASHER,4.1X0.5X6.5 SCREW,MOUNT,PF PAPER SUPPORT,SUUPPORT,UPPER PAPER GUIDE ASSY.,FRONT CARRIAGE ASSY. U-TYPE SPRING,5.2X0.13X10,S/NA GROUNDING WIRE,EJ LEVER,ADJUST COMBINATION GEAR,14,28...
  • Page 176 EPSON Stylus PHOTO 870/1270 Revision B Table 7-14. Parts List for Stylus PHOTO 1270 (continued) Code Parts Name Code Parts Name Code Parts Name PLATE,SLIDER,CLEANER POROUS PAD,PAPER GUIDE FRONT,RIGHT EXTENSION SPRING,0.294 EXTENSION SPRING,7.37 POROUS PAD,PAPER GUIDE FRONT,LEFT ROLLER,LD,SUPPORT LEVER ASSEMBLY,COMBINATION GEAR +.BIND B-TITE SEMS W2,2.5X5,F/ZB...
  • Page 177 EPSON Stylus PHOTO 870/1270 Revision B Table 7-14. Parts List for Stylus PHOTO 1270 (continued) Code Parts Name Code Parts Name Code Parts Name C.P.S-TITE(P4),3X6,F/ZN EXTENSION SPRING,0.29 POLUS PAD,SMALL HARNESS,ASF COVER,CARTRIDGE,BK CABLE,HEAD,B PAPER SUPPORT,HOPPER COVER,CARTRIDGE,C HOLDER ASSY.,STAR WHEEL,RIGHT,ASP PAPER GUIDE,LOWER PLAT SPRING COVER,CARTRIDGE HOLDER ASSY.,STAR WHEEL,LEFT,ASP...

  • Page 178: Electrical Circuit Board Diagrams

    EPSON Stylus PHOTO 870/1270 Revision B 7.6 Electrical Circuit Board Diagrams See the following pages for the electrical circuit board diagrams below: C304MAIN (1) C304MAIN (2) C298PSB/PSE APPENDIX Electrical Circuit Board Diagrams...

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