Epson FX 890 - B/W Dot-matrix Printer Service Manual
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Epson FX 890 - B/W Dot-matrix Printer Service Manual

9 pin impact dot printer
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EPSON FX-1180/880
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4008484

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Summary of Contents for Epson FX 890 - B/W Dot-matrix Printer

  • Page 1 EPSON FX-1180/880 ® 4008484...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WARNING 1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE.
  • 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: • Connector pin assignments •...
  • Page 5 REVISION STATUS Rev. Date Page(s) Contents 1997/09/30 First release 1998/04/02 Second release owing to release of FX-1180...

  • Page 6: Table Of Contents

    TABLE OF CONTENTS PRODUCT SPECIFICATION 1.1 SPECIFICATION .................. 1-1 1.2 OPERATION..................1-7 1.2.1 Control panel ....................1-7 1.2.2 Switches ......................1-7 1.2.2.1 Usual Operation .................. 1-7 1.2.2.2 Operations at Power-on ..............1-8 1.2.3 Indicators ( LEDs ) ..................1-9 1.2.4 Buzzer......................1-9 1.2.5 Default Setting Mode 1 ................
  • Page 7 TROUBLESHOOTING 3.1 OVERVIEW ..................3-1 3.1.1 Main Component Checking Point ............... 3-1 3.1.2 Error....................... 3-3 3.2 UNIT LEVEL TROUBLESHOOTING ............ 3-4 3.3 UNIT REPAIRING OF THE POWER SUPPLY BOARD ..... 3-11 3.4 UNIT REPAIRING OF THE MAIN BOARD......... 3-13 3.5 REPAIRING THE PRINTER MECHANISM......... 3-16 DISASSEMBLY AND ASSEMBLY 4.1 OVERVIEW ..................
  • Page 8 ADJUSTMENT 5.1 ADJUSTMENT OVERVIEW ..............5-1 5.1.1 Required Adjustment ................... 5-1 5.1.2 Adjustment Tools ..................5-1 5.2 ADJUSTING AND RESETTING THE PRINTER........5-2 5.2.1 Platen Gap Adjustment ................5-2 5.2.2 Factory Setting....................5-4 5.2.3 Bi-D Adjustment.................... 5-6 MAINTENANCE 6.1 PREVENTIVE MAINTENANCE ............6-1 6.2 LUBRICATION ..................

  • Page 9: Product Specification

    PRODUCT SPECIFICATION...

  • Page 10: Specification

    FX-1880/880 Service Manual Chapter 1 Product Description 1.1 SPECIFICATION The FX-1880/880 is a small foot, 9 pins serial impact dot matrix printer. The main specification is as follows; HARDWARE SPECIFICATIONS Print method 9 pins Impact dot matrix Print pin arrangement 9 x 1 Print pin diameter 0.29 mm ( 0.0114 inch )
  • Page 11 FX-1880/880 Service Manual Chapter 1 Product Description PAPER / MEDIA Table 1-3. Cut Sheet Insertion Front entry Rear entry Width FX-1880: 148 ~ 420mm (5.8 ~ 16.5”) FX-880: 148 ~ 257mm (5.8 ~ 10.1”) Length 182 ~ 364mm ( 7.2 ~ 14.3 ) 92 ~ 364mm ( 3.6 ~ 14.3") Thickness 0.065 ~ 0.14mm ( 0.0025~ 0.0055")
  • Page 12 TYPEFACE Bit map Font EPSON Draft 10cpi, 12cpi, 15cpi EPSON Roman 10cpi, 12cpi, 15cpi, Proportional EPSON Sans Serif 10cpi, 12cpi, 15cpi, Proportional Bar code fonts EAN-13, EAN-8, Interleaved 2 of 5, UPC-A, UPC-E, Code 39, Code 128, POSTNET CHARACTER TABLES...
  • Page 13 FX-1880/880 Service Manual Chapter 1 Product Description ELECTRICAL SPECIFICATION 120 V version Rated voltage AC 120 V Input voltage range AC 103.5 to 132 V Rated frequency range 50 to 60 Hz Input frequency range 49.5 to 60.5 Hz Rated current 0.7 A ( Max.
  • Page 14 FX-1880/880 Service Manual Chapter 1 Product Description RELIABILITY Total print volume 6.5 million lines ( Except Print head) MTBF 10000 POH Print head life approx. 200 million characters RIBBON CARTRIDGE Type Fabric Color Black Ribbon life Approx. 3 million characters ( Draft 10 cpi, 14 dots / character) SAFETY APPROVALS 120 V version Safety standards...
  • Page 15 FX-1880/880 Service Manual Chapter 1 Product Description CONSUMABLES & OPTIONS Table 1-9. Consumable & Option Consumables Code No. FX-1180 FX-880 Ribbon cartridge #8755 #8750 Ribbon pack #8758 #8758 Options High capacity cut sheet feeder ( Bin1 ) C80640* C80638* Single bin cut sheet feeder ( Bin 2 ) C80639* C80637* Pull tractor unit...

  • Page 16: Operation

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2 OPERATION This section describes the operations equipped with this printer. 1.2.1 Control panel The control panel of this printer consists of 5 switches and 5 LEDs, as shown below; Figure 1-3. Panel Operation Outline 1.2.2 Switches 1.2.2.1 Usual Operation In the normal mode, pressing panel switches executes the following functions;...

  • Page 17: Operations At Power-On

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.2.2 Operations at Power-on Pressing the specified switch (switches) while turning on the printer enables the following special functions: Self test - Switches : “Load / Eject” while turning on the printer. Function: Executes the printing NLQ self test printing.

  • Page 18: Indicators ( Leds )

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.3 Indicators ( LEDs ) This printer has the following indicators to indicate its current condition, as shown in the table below: Pause ( Orange ) Comes On when the printer is paused, and goes Off when the printer is not paused. Blinks when the Micro adjust function and the Font selection are enabled or the printhead is in the overheated condition.

  • Page 19: Default Setting Mode 1

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.5 Default Setting Mode 1 You can change some parameters that the printer refers to at printer initialization. 1.2.5.1 Setting Method Refer to the following flowchart for the default setting mode 1. Figure 1-4. Flowchart for Default Setting Mode 1 1.2.5.2 Setting Items Setting values available for the default setting mode including factory settings are as shown in the following table:...

  • Page 20: Default Setting Mode 2

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.6 Default Setting Mode 2 Refer to the following flowchart for the default setting mode 2. Figure 1-5. Flowchart for Default Setting Mode 2 1.2.6.1 Setting Items Setting values available for the default setting mode including factory settings are as shown in the following table: Table 1-13.

  • Page 21: Eeprom Clear Function

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.7 EEPROM Clear Function You can change some parameters into the factory settings to perform panel operation easily. Pressing Tear off / Bin and Load / Eject switches at same time while turning on the printer turns the default settings into the factory settings: Table 1-14.

  • Page 22: Bi-D Adjustment

    FX-1880/880 Service Manual Chapter 1 Product Description 1.2.8 Bi-D Adjustment Refer to the following flowchart for the Bi-D adjustment. Figure 1-6. Bi-D Adjustment flowchart Rev.B 1-13...

  • Page 23: Operating Priciples

    OPERATING PRICIPLES...

  • Page 24: Main Components

    FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 2.1 MAIN COMPONENTS This printer is divided into several main components for easy removal and repair. The main components are : C229MAIN: Control board C229PSB/PSE/PSH: Power supply board C229PNL: Operation panel board M-3J60/3J10: Printer mechanism for FX-1180/FX-880 Housing: Upper case, Lower case, Rear sheet guide, Knob, Printer cover...

  • Page 25: Printer Mechanism

    FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 2.2 PRINTER MECHANISM This printer mechanism consists of Printhead, Paper feed mechanism, Carriage movement mechanism, Tractor feed mechanism, Platen gap adjustment mechanism, Ribbon feed mechanism, PF motor, CR motor, detectors, and so on. 2.2.1 Printhead The printhead prints data from the control board on paper using the ink ribbon.
  • Page 26 FX-1180/FX-880 Service Manual Chapter 2 Operating Principles Figure 2-3. Printer Mechanis Outline Rev. B...

  • Page 27: Circuit Operation

    FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 2.3 CIRCUIT OPERATION 2.3.1 C229PSB/PSE/PSH Power Supply Circuit This printer can be powered by one of the following three power supply boards: the C229PSB (120V) board, the C229PSE (230V) board, or the C229PSH (Universal) board. The function of the boards is the same , except for a difference in the primary circuitry.

  • Page 28: C229Main Board Circuit

    FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 2.3.2 C229MAIN Board Circuit The C229MAIN board is the control circuit board of this printer. This board consists of several IC chips and drivers, as shown in the table below: Table 2-3. Function of the Main IC Element Location Function...
  • Page 29 FX-1180/FX-880 Service Manual Chapter 2 Operating Principles Data from the host computer is stored in the input buffer once, then converted into image data and transmitted to the printhead through the gate array, as shown in the figure below: Figure 2-6. Data Flow Rev.

  • Page 30: Troubleshooting

    TROUBLESHOOTING...

  • Page 31: Overview

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3.1 OVERVIEW The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. The following flowchart illustrates the main steps of the troubleshooting process. START Unit Level Troubleshooting Unit Repair of the...
  • Page 32 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-2. Printhead Solenoid Resistance Part Test Pin Number Test Method Specifications (See the figure (Set Meter to Ohms. Disconnect Motor below.) from Main Board and check it with Printer Power off.) Printhead For example, place one lead on pin C1 Common pin :C1 8.19 and the other lead on Test pin 1 to check...

  • Page 33: Error

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-4 Detector Test Point Detector Connector Test Method Meter Reading Number (Set Meter to Ohms. Check the Printer power off.) HP Detector Place one lead on pin 1 and the Meter should toggle between (CN4) other lead on pin 2, and toggle the open and short.

  • Page 34: Unit Level Troubleshooting

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3.2 UNIT LEVEL TROUBLESHOOTING You may be able to identify the defective unit just from the symptom displayed. The table below provides the symptoms for a number of failures, so that you can easily identify the problem. Once the problem has been identified, refer to the flowchart listed in the right-hand column of the table below to determine the case of the problem.

  • Page 35: Chapter 3 Troubleshooting

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 1. Printer fails to operate when power is on. START Is AC input voltage normal? Use the correct AC input voltage. 120V version: 85 - 138V No fluctuation from AC voltage range is 230V version: 187 - 276V permitted.
  • Page 36 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 2. Abnormal carriage operation at power on. START Are all connectors connecting the C229MAIN board and printer Reinsert the connectors correctly. mechanism? Is the fault solved? Dose the carriage move See the troubleshooting for to the home position? Printer Mechanism.
  • Page 37 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3. Printing is faulty during self-test, but carriage operation is normal. START Is AC input voltage normal? Use the correct AC input voltage. 120V version: 85 - 138V No fluctuation from AC voltage range is 230V version: 187 - 276V permitted.
  • Page 38 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 4. Abnormal paper feeding START Is the paper loaded Load the paper correctly? correctly. Is the connector CN5 Reinsert the connector or CN6 connected CN5 or CN6 correctly. correctly? Is the fault solved? Dose the platen knob rotate smoothly when it is turned manually at power off? Refer to the...
  • Page 39 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 5. Abnormal control panel operation START Do the switches have clicks? Replace the Operation Panel. Is the fault solved? Replace the C229MAIN board. Is the fault solved? Verify that the harness for the operation panel is properly inserted and have continuity.
  • Page 40 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 6. Data sent by the host computer is printed incorrectly. START Execute the printer self test. Refer to the other Dose the self test print troubleshooting items. normally? Verify the default setting. Is the interface cable connected Replace the interface cable.

  • Page 41: Unit Repairing Of The Power Supply Board

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3.3 UNIT REPAIRING OF THE POWER SUPPLY BOARD This section is necessary only for servicers who repair to the component level. Servicers who perform only board replacement can ignore this section. The table below lets you troubleshoot problems with the power supply board (C229PSB/PSE/PSH).
  • Page 42 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-8. Repair of the C229PSB/PSE/PSH (continued) Symptom Condition Cause Checkpoint Solution The printer +35V line is PC1 is Check for the proper waveform at Replace the dose not defective. defective. pin 5 or 7 of PC1. C229PSB/ operate at PSE/PSH...

  • Page 43: Unit Repairing Of The Main Board

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3.4 UNIT REPAIRING OF THE MAIN BOARD This section is necessary only for servicers who repair to the component level. Servicers who perform only board replacement can ignore this section. The table below lets you troubleshoot problems with the main board (C229MAIN). The table provides various symptoms, likely cases, and checkpoints.
  • Page 44 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-10. Repair of the C229MAIN (continued) Symptom Condition Cause Checkpoint Solution The printer The CPU The CPU is Check for the proper oscillator signal Replace the dose not dose not defective. at pin 26 or 27 of the CPU (IC3). C229MAIN operate at operate.
  • Page 45 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-11. Repair of the C229MAIN (continued) Symptom Condition Cause Checkpoint Solution Paper is fed Paper is not IC 11 is Check for the proper PF motor Replace the abnormally. fed at all. defective. phase control signals at pin 1, 2, 23 C229MAIN and 24, and motor driving signals...

  • Page 46: Repairing The Printer Mechanism

    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3.5 REPAIRING THE PRINTER MECHANISM For detailed procedures for replacing or adjusting matter, refer to Chapter 4, Disassembly and Assembly and Chapter 5, adjustments . If a problem or symptom occurs, refer to the following tables and find out other potential causes.
  • Page 47 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-13. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint Solution Problem: Self test printing is not executed. A particular dot is The printhead is Measure the printhead coil Replace the missing. defective. resistance. It should be printhead, (and about 8 ohms.
  • Page 48 FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-14. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint Solution Problem: Paper is stained with ink. Ink stains appear on The ribbon mask is Check if the ribbon Reinstall the ribbon printed areas. positioned incorrectly.

  • Page 49: Disassembly And Assembly

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

  • Page 50: Overview

    The table below lists the tools and the instruments required for disassembling, assembling or adjusting the printer. Use only tools that meet these specifications. Table 4-1 . Tool and Instrument List Name Specification EPSON Part No. Phillips Screwdriver No.2 B743800200 Phillips Screwdriver No.1...

  • Page 51: Service Check After Repair

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.1.3 Service Check After Repair After completing repair of the product, use the check list shown below to check the status of the repaired product and overall repair work performed before returning the product to the users. This list can be used as a record of all service works performed with the product.

  • Page 52: Abbreviations For Small Parts

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.1.4 Abbreviations for Small Parts The table below lists the abbreviations used in this manual for small parts, such as screws and washers. Table 4-3. Abbreviations and Screw Type Abbreviation Description CB Screw Cross-recessed Bind-head Screw CBS Screw Cross-recessed Bind-head S-tight Screw...

  • Page 53: Disassembly And Assembly

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2 DISASSEMBLY AND ASSEMBLY This section provides the disassembly procedures. The basic order for disassembly is shown in the flowchart below. The exploded diagrams are also provided in the APPENDIX. Refer to them to see how components are engaged each other if necessary.

  • Page 54: Printhead Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.1 Printhead Removal Remove the top cover. Remove 2 CBS (M3 8) screws attaching the printhead to the carriage assembly. Disconnect the head FFC from the printhead and remove it. WARNING Before disassembling or assembling the printhead, disconnect the power supply cable from the AC power socket.

  • Page 55: Hp (Home Position) Detector Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.2 HP (Home Position) Detector Removal Remove the top cover. Release the hook attaching the HP detector to the printer mechanism, and remove it. Disconnect the harness of the detector from the detector connector. Figure 4-3.

  • Page 56: Pre-Disassembly Procedures

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.3 Pre-disassembly Procedures Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. Figure 4-4. Pre-Desassembly CAUTION Remove the paper eject cover and the tractor unit by pushing and releasing the hooks at the both sides.

  • Page 57: Upper Housing Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.4 Upper Housing Removal Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) Remove 2 CBS (M3 6) screws and a CBB (4 12) screw securing the upper housing to the lower case.

  • Page 58: C229Main Board Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.5 C229MAIN Board Removal WARNING Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power socket. Failure to do so might cause personal injury. Do not touch the heat sink attached to the switching FET (Q1) on the power supply board right after power off, as it may be very hot.
  • Page 59 FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY Figure 4-6. C229MAIN Board Removal Rev. B 4-10...

  • Page 60: C229Psb/Pse/Psh Board Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.6 C229PSB/PSE/PSH Board Removal Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) Remove the upper housing. (See Section 4.2.4.) Remove 5 CBS (M3 4) screws and 3 CBB (3 12) screws securing the shield cover to the printer mechanism and lower housing.

  • Page 61: Rom Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.7 ROM Removal WARNING Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power socket. Failure to do so might cause personal injury. Do not touch the heat sink attached to the switching FET (Q1) on the power supply board right after power off, since it may be very hot.

  • Page 62: Platen Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.8 Platen Removal Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) Remove the upper housing. (See Section 4.2.4.) Remove 2 CBS (M3 8) screws securing the COVER,PLATEN.

  • Page 63: Printer Mechanism Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.9 Printer Mechanism Removal Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) Remove the upper housing. (See Section 4.2.4.) Remove 5 CBS (M3 4) screws and 3 CBB (3 12) screws securing the shield cover to the printer mechanism and lower housing.

  • Page 64: Printer Mechanism Disassembly

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10 Printer Mechanism Disassembly 4.2.10.1 CR Motor Removal Release the tension spring. Disengage the TIMING BELT from the CR motor pinion and hang it on the hook. Remove 2 SHAFT,MOUNT,CR screws securing the CR motor assembly to the FRAME,SUB,RIGHT, and remove the CR motor.

  • Page 65: Pf Motor Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.2 PF Motor Removal Remove the printer mechanism. (See Section 4.2.9.) Release the motor harness from the printer mechanism. Set the release lever to the vertical (Rear Push tractor) or forward (Push tractor) position. Remove 2 CBS (M3 8) screws securing the PF motor to the FRAME,SUB,RIGHT, and remove the PF motor.

  • Page 66: Pf Gear Train Disassembly

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.3 PF Gear Train Disassembly Remove the printer mechanism. (See Section 4.2.9.) Remove the CR motor. (See Section 4.2.10.1.) Remove the PF motor. (See Section 0) Remove the head FFC from the FRAME,SUB,RIGHT of the printer mechanism. Remove 2 CBS (M3 8) screws securing the FRAME,SUB,RIGHT, and remove the FRAME,SUB,RIGHT.

  • Page 67: Pg (Platen Gap) Detector Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.4 PG (Platen Gap) Detector Removal Remove the printer mechanism. (See Section 4.2.9.) Release 2 clips attaching the PG detector to the LEFT FRAME in the printer mechanism, and remove the detector. Figure 4-15.

  • Page 68: Front Pe (Paper End) Detector Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.6 Front PE (Paper End) Detector Removal Remove the printer mechanism. (See Section 4.2.9.) Release 2 clips attaching the front PE detector to the REAR PAPER GUIDE ASSEMBLY, and remove the detector. Disconnect the harness from the detector.

  • Page 69: Carriage Assembly Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.8 Carriage Assembly Removal Remove the printer mechanism. (See Section 4.2.9.) Remove the Head FFC. (See Section 4.2.1.) Remove the Platen. (See Section 4.2.8.) Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE, and remove the lever.

  • Page 70: Rear Paper Guide Assembly Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.9 Rear Paper Guide Assembly Removal Remove the printer mechanism. (See Section 4.2.9.) Remove the Platen. (See Section 4.2.8.) Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE, and remove the lever. (See Section 4.2.10.8.) Remove the BUSHING,PARALLEL,ADJUST to turn the SHAFT,CR,GUIDE.

  • Page 71: Ribbon Drive (Rd) Assembly Removal

    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.10 Ribbon Drive (RD) Assembly Removal Remove the printer mechanism. (See Section 4.2.9.) Remove the Platen. (See Section 4.2.8.) Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE, and remove the lever. Remove the BUSHING,PARALLEL,ADJUST to turn the SHAFT,CR,GUIDE.
  • Page 72 ADJUSTMENT...

  • Page 73: Adjustment

    FX-1180/FX-880 Service Manual Chapter 5 Adjustment 5.1 ADJUSTMENT OVERVIEW 5.1.1 Required Adjustment This section describes the adjustments required after specified parts are removed or replaced. The following table shows the parts removed/replace and corresponding adjustments required. Table 5-1. Required Adjustment Required Adjustment Platen Gap Factory Setting...

  • Page 74: Adjusting And Resetting The Printer

    FX-1180/FX-880 Service Manual Chapter 5 Adjustment 5.2 ADJUSTING AND RESETTING THE PRINTER 5.2.1 Platen Gap Adjustment When the SHAFT,CR,GUIDE or BUSHING,PARALLEL,ADJUST is rotated or reassembled, or printing is too faint or stained, the Platen Gap adjustment must be performed in the following order: Remove the Upper Housing.
  • Page 75 FX-1180/FX-880 Service Manual Chapter 5 Adjustment 10. Insert a screwdriver into the countersink located on the left side of the SHAFT,CR,GUIDE and turn it until the PLATEN and Printhead come in light contact. 11. Move the carriage assembly to the left end. 12.

  • Page 76: Factory Setting

    FX-1180/FX-880 Service Manual Chapter 5 Adjustment 5.2.2 Factory Setting The factory settings of the printer for each destination are written in the EEPROM on the main board. Therefore, If you have replaced the main board, you must use the adjustment program to write the factory settings again.
  • Page 77 FX-1180/FX-880 Service Manual Chapter 5 Adjustment The carriage width select menu appears. Move the cursor using “ ” or “ ” key to select the carriage width and press “Return” key. The carriage width to be selected is as follows: FX-1180: (3) 136 columns FX-880:...

  • Page 78: Bi-D Adjustment

    FX-1180/FX-880 Service Manual Chapter 5 Adjustment 5.2.3 Bi-D Adjustment Bi-D adjustment can be made either through the panel operation or with the adjustment program. This section describes Bi-D adjustment performed with the following program: Connect the printer and the PC by a parallel interface cable. Set 10-inch-wide continuous paper to the printer.
  • Page 79 FX-1180/FX-880 Service Manual Chapter 5 Adjustment 10. Repeat Step 8 and Step 9 to align the lines continuously by making “a” as specified below: All mode : Less than 0.05 mm (at the center of the column) Mode 0 : Less than 0.3 mm (at the left and right sides of the column) Mode 1 : Less than 0.2 mm (at the left and right sides of the column) Mode 4...

  • Page 80: Maintenance

    MAINTENANCE...

  • Page 81: Preventive Maintenance

    FX-1180/FX-880 Service Manual Chapter 6 Maintenance 6.1 PREVENTIVE MAINTENANCE Preventive maintenance is important to keep the printer in the best condition and to prevent potential troubles from occurring. If necessary, use denatured alcohol to clean the exterior cases. Use a vacuum cleaner to remove dust and paper debris accumulated in the printer. WARNING Disconnect the printer from the AC socket before servicing.

  • Page 82: Lubrication

    6.2 LUBRICATION Influence that oil and grease give is considerably large especially in low temperature. Therefore, EPSON has tested and analyzed various types of oil and grease extensively, and found the oil and grease listed below most applicable to the printer.
  • Page 83 FX-1180/FX-880 Service Manual Chapter 6 Maintenance Figure 6-1. Lubrication Point (1) Figure 6-2. Lubricating Point (2) and (3) Rev. B...
  • Page 84 FX-1180/FX-880 Service Manual Chapter 6 Maintenance Figure 6-3. Lubricating Point (4) Figure 6-4. Lubricating Points (5), (6) and (7) Figure 6-5. Lubricating Point (8) Rev. B...

  • Page 85: Appendix

    APPENDIX...

  • Page 86: Connector Summary

    FX-1180/FX-880 Service Manual Appendix 7.1 CONNECTOR SUMMARY The primary components of the printer are connected as shown below; Figure 7-1. Cable Connections Table 7-1. Connector Summary Board Connector No. Description C229MAIN Board Parallel I/F Type-B I/F (Option) DC input, Power On/Off HP Detector Rear PE Detector Front PE Detector...
  • Page 87 FX-1180/FX-880 Service Manual Appendix Table 7-2. Connector Pin Assignment - CN1 Pin No. Signal Name Function /STROBE Strobe pulse. Input data is latched at falling edge of the signal. 2 - 9 DATA1 - DATA8 Parallel input data to the printer /ACKNLG This pulse indicates that the printer has received data and turned into ready to accept next one.
  • Page 88 FX-1180/FX-880 Service Manual Appendix Table 7-3. Connector Pin Assignment - CN2 Pin No. Signal Name Function 1 - 6 +5 V Transmit data /READY Ready to receive data Receive data Not connected. /RST Reset Inhibit /CMREQ Command request /WRRDY Write ready /RDRDY Read request Write...
  • Page 89 FX-1180/FX-880 Service Manual Appendix Table 7-6. Connector Pin Assignment - CN5 Pin No. Signal Name Function Rear PE Detector signal Ground Table 7-7. Connector Pin Assignment - CN6 Pin No. Signal Name Function Front PE Detector signal Ground Table 7-8. Connector Pin Assignment - CN7 Pin No.
  • Page 90 FX-1180/FX-880 Service Manual Appendix Table 7-11. Connector Pin Assignment - CN10 Pin No. Signal Name Function RELEASE Release Detector signal Ground Table 7-12. Connector Pin Assignment - CN11 Pin No. Signal Name Function PG Detector signal Ground Table 7-13. Connector Pin Assignment - CN12 Pin No.

  • Page 91: Component Layout

    FX-1180/FX-880 Service Manual Appendix 7.2 COMPONENT LAYOUT Figure 7-2. C229MAIN Board Component Layout Rev. B...
  • Page 92 FX-1180/FX-880 Service Manual Appendix Figure 7-3. C229PSB Board Component Layout Figure 7-4. C229PSE Board Component Layout Rev. B...
  • Page 93 FX-1180/FX-880 Service Manual Appendix Figure 7-5. C229PSH Component Layout Figure 7-6. C229PNL Board Component Layout Rev. B...

  • Page 94: Dimensions And Weight

    FX-1180/FX-880 Service Manual Appendix 7.3 DIMENSIONS AND WEIGHT FX-1180 Dimensions: 590mm(W) 350mm(D) 154mm(H) Weight: Approximately 9.6Kg Appearance: See the figures below. Figure 7-7. Physical Specifications for FX-1180 Rev. B...
  • Page 95 FX-1180/FX-880 Service Manual Appendix FX-880 Dimensions: 415mm(W) 350mm(D) 154mm(H) Weight: Approximately 9.6Kg Appearance: See the figures below. Figure 7-8. Physical Specification for FX-880 Rev. B 7-10...

  • Page 96: Exploded Diagram

    FX-1180/FX-880 Service Manual Appendix 7.4 EXPLODED DIAGRAM See the following pages for the exploded diagrams below: Exploded Diagram for FX-1180 (1) Exploded Diagram for FX-1180 (2) Exploded Diagram for FX-880 (1) Exploded Diagram for FX-880 (2) Rev. B 7-11...
  • Page 97 EXPLODED DIAGRAM FOR FX-1180(1)
  • Page 98 EXPLODED DIAGRAM FOR FX-1180(2)
  • Page 99 EXPLODED DIAGRAM FOR FX-880(1)
  • Page 100 EXPLODED DIAGRAM FOR FX-880(2)

  • Page 101: Circuit Diagram

    FX-1180/FX-880 Service Manual Appendix 7.5 CIRCUIT DIAGRAM See the following pages for the circuit diagrams below: C229MAIN Circuit Diagram C229PSB Circuit Diagram C229PSE Circuit Diagram C229PSH Circuit Diagram C229PNL Circuit Diagram Rev. B 7-16...

This manual is also suitable for:

Fx-880Fx-1180 - impact printerFx-1880

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