Epson FX 890 Service Manual

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

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  • Epson FX 890 | Service Manual - Page 1
    6(59,&(0$18$/ 3LQ,PSDFW'RW3ULQWHU EPSON FX-1180/880 ® 4008484
  • Epson FX 890 | Service Manual - Page 2
    . No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. T The contents of this manual are subject to change
  • Epson FX 890 | Service Manual - Page 3
    in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT
  • Epson FX 890 | Service Manual - Page 4
    specifications of the product. CHAPTER 2. OPERATING PRINCIPLES Describes the theory of electrical and mechanical operations of the product. CHAPTER 3. TROUBLESHOOTING procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product. APPENDIX Provides the
  • Epson FX 890 | Service Manual - Page 5
    Rev. A B Date 1997/09/30 1998/04/02 REVISION STATUS Page(s) All All Contents First release Second release owing to release of FX-1180
  • Epson FX 890 | Service Manual - Page 6
    TABLE OF CONTENTS PRODUCT SPECIFICATION 1.1 SPECIFICATION 1-1 1.2 OPERATION 1-7 1.2.1 PRINTER MECHANISM 2-2 2.2.1 Printhead ...2-2 2.2.2 Paper Feed Mechanism 2-2 2.2.3 Carriage Movement Mechanism 2-2 2.2.4 Tractor Feed Mechanism 2-2 2.2.5 Platen Gap Adjustment Mechanism 2-2 2.2.6 Ribbon
  • Epson FX 890 | Service Manual - Page 7
    REPAIRING THE PRINTER MECHANISM 3-16 DISASSEMBLY AND ASSEMBLY 4.1 OVERVIEW 4-1 4.1.1 Disassembly Precautions 4-1 4.1.2 Tools and Instruments 4-1 4.1.3 Service Check After Repair 4-2 4.1.4 Abbreviations for Small Parts 4-3 4.2 DISASSEMBLY AND ASSEMBLY 4-4 4.2.1 Printhead Removal 4-5 4.2.2 HP
  • Epson FX 890 | Service Manual - 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 6-2
  • Epson FX 890 | Service Manual - Page 9
    &+$37(5  PRODUCT SPECIFICATION
  • Epson FX 890 | Service Manual - Page 10
    1.1 SPECIFICATION FX-1880/880 Service Manual Chapter 1 Product Description 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 Print pin arrangement Print pin diameter 9 pins Impact dot matrix 9 x 1
  • Epson FX 890 | Service Manual - Page 11
    FX-1880/880 Service Manual Chapter 1 Product Description PAPER / MEDIA Insertion Width Length Thickness Weight Quality Table 1-3. Cut Sheet Front entry Rear entry FX-1880: 148 ~ 420mm (5.8 ~ 16.5") FX-880: 148 ~ 257mm (5.8 ~ 10.1") 182 ~ 364mm ( 7.2 ~ 14.3 ) 92 ~ 364mm ( 3.6 ~ 14.3") 0.065
  • Epson FX 890 | Service Manual - Page 12
    Insertion Label size FX-1880/880 Service Manual Chapter 1 Product Description Table 1-7. Continuous Paper with Labels Front entry, Bottom entry See the figure below; 6 3 .5 m m (2 .5 ") 2 3 .8 m m ( 1 5 /1 6 " ) Label Base sheet width Base sheet length Base sheet thickness Total thickness Label
  • Epson FX 890 | Service Manual - 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. 1.6 A ) Power consumption FX-
  • Epson FX 890 | Service Manual - Page 14
    Total print volume MTBF Print head life RIBBON CARTRIDGE Type Color Ribbon life SAFETY APPROVALS 120 V version Safety standards EMI 230 V version Safety standards EMI UPS Version Safety standards EMI FX-1880/880 Service Manual Chapter 1 Product Description 6.5 million lines ( Except Print head
  • Epson FX 890 | Service Manual - Page 15
    FX-1880/880 Service Manual Chapter 1 Product Description CONSUMABLES & OPTIONS Table 1-9. Consumable & Option Consumables Ribbon cartridge Ribbon pack Options High capacity cut sheet feeder ( Bin1 ) Single bin cut sheet feeder ( Bin 2 ) Pull tractor unit Roll paper holder Front paper guide Front
  • Epson FX 890 | Service Manual - Page 16
    1.2 OPERATION FX-1880/880 Service Manual Chapter 1 Product Description 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; Font T e a r O ff/B in L F /F F L o a d /E je c t P a
  • Epson FX 890 | Service Manual - Page 17
    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: 1. Self test - Switches : Function: - Switch: Function: "Load / Eject" while turning on the
  • Epson FX 890 | Service Manual - Page 18
    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: 1. Pause ( Orange ) • Comes On when the printer is paused, and goes Off when the printer is not paused. •
  • Epson FX 890 | Service Manual - Page 19
    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 , Off Print direction Bi-D, Uni-D I/F mode Auto, Parallel, Option Auto I/F wait time 10 sec., 30 sec. Software ESC/P, IBM
  • Epson FX 890 | Service Manual - Page 20
    1.2.6 Default Setting Mode 2 Refer to the following flowchart for the default setting mode 2. STA R T FX-1880/880 Service Manual Chapter 1 Product Description H o ld in g d o w n T e a r o f f / B in a n d L F /F F s w itc h e s , tu r n th e p r in te r o n . L a n g u a g e s e le c tio n s h e
  • Epson FX 890 | Service Manual - Page 21
    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
  • Epson FX 890 | Service Manual - Page 22
    1.2.8 Bi-D Adjustment Refer to the following flowchart for the Bi-D adjustment. STA R T FX-1880/880 Service Manual Chapter 1 Product Description H o ld in g d o w n P a u s e s w it c h , tu r n th e p r in te r o n , a n d th e fir s t a lig n m e n t p a tte r is p r in te d a lo n g w ith th e
  • Epson FX 890 | Service Manual - Page 23
    &+$37(5  OPERATING PRICIPLES
  • Epson FX 890 | Service Manual - Page 24
    2.1 MAIN COMPONENTS FX-1180/FX-880 Service Manual Chapter 2 Operating Principles This printer is divided into several main components for easy removal and repair. The main components are : Y C229MAIN: Y C229PSB/PSE/PSH: Y C229PNL: Y M-3J60/3J10: Y Housing: Control board
  • Epson FX 890 | Service Manual - Page 25
    2.2 PRINTER MECHANISM FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 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
  • Epson FX 890 | Service Manual - Page 26
    P E d e te c to r P a r a lle lis m B u s h in g FX-1180/FX-880 Service Manual Chapter 2 Operating Principles R e le a s e L e v e r R e le a s e D e e d M e c h a n is m P G A d ju s t L e v e r H P D e te c to r T im in g B e lt Figure 2-3. Printer Mechanis Outline C R M o to r Rev. B 2-3
  • Epson FX 890 | Service Manual - Page 27
    CIRCUIT OPERATION FX-1180/FX-880 Service Manual Chapter 2 Operating Principles 2.3.1 C229PSB/PSE/PSH Power Supply Circuit This printer can be Applications Logic lines Detectors Panel Switches & LEDs CR Motor PF Motor Printhead The power supply circuit consists of the line filter circuit, ZC-RCC
  • Epson FX 890 | Service Manual - Page 28
    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 I/F control - Panel Switch, LED control - Printhead Control - PF Motor Control - CR Motor
  • Epson FX 890 | Service Manual - 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: H o s t c o m p u te r P r in t d a ta c o n v e r s io
  • Epson FX 890 | Service Manual - Page 30
    &+$37(5  TROUBLESHOOTING
  • Epson FX 890 | Service Manual - Page 31
    3.1 OVERVIEW FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. The following flowchart
  • Epson FX 890 | Service Manual - Page 32
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Part Printhead Table 3-2. Printhead Solenoid Resistance Test Pin Number (See the figure below.) − Common pin :C1 Test pins: 1, 4 − Common pin :C2 Test pin: 8 − Common pin: C3: Test pins: 2, 6 − Common
  • Epson FX 890 | Service Manual - Page 33
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Detector Connector Number HP Detector (CN4) Front PE Detector (CN6) Release Lever Detector (CN10) PG Detector (CN11) Printhead thermistor Table 3-4 Detector Test Point Test Method (Set Meter to Ohms. Check the Printer power off.) Place one
  • Epson FX 890 | Service Manual - Page 34
    UNIT LEVEL TROUBLESHOOTING FX-1180/FX-880 Service Manual Chapter 3 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
  • Epson FX 890 | Service Manual - Page 35
    1. Printer fails to operate when power is on. START FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Is AC input NO voltage /PSE/PSH. Is output voltage NO normal? YES Verify each motor and printhead solenoid resistance,referring to Table 3-1 and Table 3-2. Are the resistances NO
  • Epson FX 890 | Service Manual - Page 36
    2. Abnormal carriage operation at power on. FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting START Are all connectors connecting the NO C229MAIN board and printer mechanism? YES Dose the carriage move NO to the home position? YES Replace the C229MAIN Board. END Reinsert the
  • Epson FX 890 | Service Manual - Page 37
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting 3. Printing is faulty during self-test, but carriage C229 PSB/PSE/PSH. Is output voltage NO normal? YES Verify each motor and printhead solenoid resistance,referring to Table 3-1 and Table 3-2. Are the resistances NO normal? YES
  • Epson FX 890 | Service Manual - Page 38
    4. Abnormal paper feeding FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting START Is the paper loaded NO correctly? YES Load the paper correctly. Is the connector CN5 or CN6 connected correctly? NO Reinsert the connector CN5 or CN6 correctly. YES NO Is the fault solved? YES END
  • Epson FX 890 | Service Manual - Page 39
    5. Abnormal control panel operation START FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Do the switches have clicks? YES NO Replace the Operation Panel. Is the fault NO solved? YES Replace the C229MAIN board. END Is the fault
  • Epson FX 890 | Service Manual - 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. NO Dose the self test print normally? YES Verify the default setting. Refer to the other troubleshooting items. Is the interface cable connected
  • Epson FX 890 | Service Manual - Page 41
    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
  • Epson FX 890 | Service Manual - Page 42
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Symptom The printer dose not operate at all. Table 3-8. Repair of the C229PSB/PSE/PSH (continued) Condition +35V line is defective. Cause PC1 is defective. Checkpoint Check for
  • Epson FX 890 | Service Manual - Page 43
    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 printer
  • Epson FX 890 | Service Manual - Page 44
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Symptom The printer dose not operate at all. Table 3-10. Repair of the C229MAIN (continued) Condition The CPU dose not operate. Cause The CPU is defective. Checkpoint Check
  • Epson FX 890 | Service Manual - Page 45
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Symptom Paper is fed abnormally. Table 3-11. Repair of the C229MAIN (continued) Condition Cause Paper is not IC 11 is fed at all. defective. Checkpoint Check for the proper PF motor phase control signals at pin 1, 2, 23 and 24, and
  • Epson FX 890 | Service Manual - Page 46
    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
  • Epson FX 890 | Service Manual - Page 47
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-13. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint w Problem: Self test printing is not executed. A particular dot is The printhead is Measure the printhead coil missing. defective. resistance. It should
  • Epson FX 890 | Service Manual - Page 48
    FX-1180/FX-880 Service Manual Chapter 3 Troubleshooting Table 3-14. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint Solution w Problem: Paper is stained with ink. Ink stains appear on The ribbon mask is Check if the ribbon Reinstall the ribbon printed areas. positioned
  • Epson FX 890 | Service Manual - Page 49
    CHAPTER  DISASSEMBLY AND ASSEMBLY
  • Epson FX 890 | Service Manual - Page 50
    , 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 B743800100 Box Driver 7.0mm Diagonal B741700200 Tweezers
  • Epson FX 890 | Service Manual - Page 51
    Check List Category Printer Mechanism Component Printhead Carriage Mechanism Paper Feed Mechanism Paper Path Operation Adjustment ROM Packing Ribbon Mask Self-Test On-line Test Platen-Gap Bi-D Alignment Version Ribbon Cartridge Attachments Item to Check Do all wires print properly? Dose the
  • Epson FX 890 | Service Manual - Page 52
    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 CB Screw CBS Screw CBB Screw CBP Screw
  • Epson FX 890 | Service Manual - Page 53
    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
  • Epson FX 890 | Service Manual - Page 54
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.1 Printhead Removal 1. Remove the top cover. 2. Remove 2 CBS (M3 × 8) screws attaching the printhead to the carriage assembly. 3. Disconnect the head FFC from the printhead and remove it. WARNING T Before disassembling or
  • Epson FX 890 | Service Manual - Page 55
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.2 HP (Home Position) Detector Removal 1. Remove the top cover. 2. Release the hook attaching the HP detector to the printer mechanism, and remove it. 3. Disconnect the harness of the detector from the detector connector. H ook H a
  • Epson FX 890 | Service Manual - Page 56
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.3 Pre-disassembly Procedures 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. P a p e r E je c t C o v e r T r a c to r U n it T op C over P A P E R G U ID E A S S E M B L Y
  • Epson FX 890 | Service Manual - Page 57
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.4 Upper Housing Removal 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) 2. Remove 2 CBS (M3 × 6) screws and a CBB (4 × 12) screw securing the upper housing
  • Epson FX 890 | Service Manual - Page 58
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.5 C229MAIN Board Removal WARNING T Before disassembling, assembling or adjusting the printer is not electrically isolated. 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (
  • Epson FX 890 | Service Manual - Page 59
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY C B S (M 3 x 4 ) C B B (3 x 1 2 ) I/F G R O U N D IN G P L A T E S H IE L D C O V E R C B S (M 3 x 4 ) G R O U N D IN G P L A T E ,I/F ,U P P E R C B B (3 x 1 2 ) C B B (3 x 1 2 ) C P (M 3 x 8 ) G U ID E ,I/F B O A R D C B B (3 x
  • Epson FX 890 | Service Manual - Page 60
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.6 C229PSB/PSE/PSH Board Removal 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper Board. WARNING T Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power
  • Epson FX 890 | Service Manual - Page 61
    Removal FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY WARNING T Before disassembling, assembling or adjusting the printer, since it is not electrically isolated. 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section
  • Epson FX 890 | Service Manual - Page 62
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.8 Platen Removal 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) 2. Remove the upper housing. (See Section 4.2.4.) 3. Remove 2 CBS (M3 × 8) screws securing
  • Epson FX 890 | Service Manual - Page 63
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.9 Printer Mechanism Removal 1. Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) 2. Remove the upper housing. (See Section 4.2.4.) 3. Remove 5 CBS (M3 × 4)
  • Epson FX 890 | Service Manual - Page 64
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10 Printer Mechanism Disassembly 4.2.10.1 CR Motor Removal 1. Release the tension spring. 2. Disengage the TIMING BELT from the CR motor pinion and hang it on the hook. 3.
  • Epson FX 890 | Service Manual - Page 65
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.2 PF Motor Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Release the motor harness from the printer mechanism. 3. Set the release lever to the vertical (Rear Push tractor) or forward (Push tractor) position.
  • Epson FX 890 | Service Manual - Page 66
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.3 PF Gear Train Disassembly 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Remove the CR motor. (See Section 4.2.10.1.) 3. Remove the PF motor. (See Section 0) 4. Remove the head ejection part of the release lever. 4-17
  • Epson FX 890 | Service Manual - Page 67
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.4 PG (Platen Gap) Detector Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Release 2 clips attaching the PG detector to the LEFT FRAME in the printer mechanism, and remove the detector. C lip P G D e te c to r
  • Epson FX 890 | Service Manual - Page 68
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.6 Front PE (Paper End) Detector Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Release 2 clips attaching the front PE detector to the REAR PAPER GUIDE ASSEMBLY, and remove the detector. 3. Disconnect the
  • Epson FX 890 | Service Manual - Page 69
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.8 Carriage Assembly Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Remove the Head remove it from the rack of the FRAME,FRONT with the SHAFT,CR,GUIDE. 8. Release the TIMING BELT from the 2 clips at the bottom of
  • Epson FX 890 | Service Manual - Page 70
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.9 Rear Paper Guide Assembly Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Remove the Platen. (See Section 4.2.8.) 3. Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE,
  • Epson FX 890 | Service Manual - Page 71
    FX-1180/FX-880 Service Manual Chapter 4 DISASSEMBLY AND ASSEMBLY 4.2.10.10 Ribbon Drive (RD) Assembly Removal 1. Remove the printer mechanism. (See Section 4.2.9.) 2. Remove the Platen. (See Section 4.2.8.) 3. Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE,
  • Epson FX 890 | Service Manual - Page 72
    &+$37(5  ADJUSTMENT
  • Epson FX 890 | Service Manual - Page 73
    5.1 ADJUSTMENT OVERVIEW FX-1180/FX-880 Service Manual Chapter 5 Adjustment 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
  • Epson FX 890 | Service Manual - Page 74
    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
  • Epson FX 890 | Service Manual - 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 18. Remove the printhead once, and install the ribbon mask. 19. Attach the printhead back onto the
  • Epson FX 890 | Service Manual - Page 76
    paper * to the printer. * Set the appropriate size of continuous paper, as follows; FX-1880: 15 inch in width FX-880: 10 inch in width 3. Run the adjustment program in the host computer. 4. The printhead "Return" key. To change the selection to another market, press "ESC" key only, and the
  • Epson FX 890 | Service Manual - Page 77
    and includes many other check items which are not needed for service, you should not perform any items which are not described in this manual. Otherwise, the printer functions are not guaranteed. T The factory setting value is not written into the EEPROM without this FF paper printing. Rev.B 5-5
  • Epson FX 890 | Service Manual - Page 78
    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: 1. Connect the printer and the PC by a parallel
  • Epson FX 890 | Service Manual - Page 79
    "ESC" key several times to quite the program. CAUTION T As this adjustment program is the same as the check program in the factory and includes many other check items which are not needed for service, you should not perform any items which are not described in this manual. Otherwise, the printer
  • Epson FX 890 | Service Manual - Page 80
    &+$37(5  MAINTENANCE
  • Epson FX 890 | Service Manual - Page 81
    FX-1180/FX-880 Service Manual Chapter 6 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
  • Epson FX 890 | Service Manual - Page 82
    FX-1180/FX-880 Service Manual Chapter 6 Maintenance 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
  • Epson FX 890 | Service Manual - Page 83
    FX-1180/FX-880 Service Manual Chapter 6 Maintenance T r a c to r C lu tc h C a m S p u r G e a rs (3 4 .5 ) : L u b r ic a tio n P o in t R e f. N o .( 1 ) Figure 6-1. Lubrication Point (1) L u b r ic a te a ll th e s e s lo ts . G a p A d ju s tm e n t L e v e r P la te n G a p A d ju s tm e n t
  • Epson FX 890 | Service Manual - Page 84
    FX-1180/FX-880 Service Manual Chapter 6 Maintenance : L u b r ic a tio n P o in t R e f. N o . 4 Figure 6-3. Lubricating Point (4) : L u b r ic a tio n P o in t R e f. N o .( 5 ) : L u b r ic a tio n P o in t R e f. N o .( 6 ) : L u b r ic a tio n P o in t R e f. N o .( 7 ) Figure 6-4. Lubricating
  • Epson FX 890 | Service Manual - Page 85
    APPENDIX &+$37(5 
  • Epson FX 890 | Service Manual - Page 86
    7.1 CONNECTOR SUMMARY FX-1180/FX-880 Service Manual Appendix The primary components of the printer are connected as shown below; C 2 2 9 P S B /P S E /P S H B o a r d AC CN1 CN2 P a r 3 Rear PE Detector 2 Front PE Detector 16 Printhead, Thermistor 4 PF Motor 5 CR Motor 2 Release Detector 2 PG
  • Epson FX 890 | Service Manual - Page 87
    -880 Service Manual Appendix Pin No. 1 2 - 9 10 11 12 13 14 15 16 17 18 19 - 30 31 32 33 34 35 36 Table 7-2. Connector Pin Assignment - CN1 I/O Signal Name Function I /STROBE Strobe pulse. Input data is latched at falling edge of the signal. I DATA1 - DATA8 Parallel input data to the printer
  • Epson FX 890 | Service Manual - Page 88
    FX-1180/FX-880 Service Manual Appendix Pin No. I/O 1-6  7 O 8 O 9 I 10  11 O 12 O 13 I 14 I 15 I 16 O 17 O 18 O 19 - 24  25 O 26 O 27 O 28 O 29 I/O 30 I/O 31 I/O 32 I/O 33 I/O 34 I/O 35 I/O
  • Epson FX 890 | Service Manual - Page 89
    FX-1180/FX-880 Service Manual Appendix Pin No. I/O 1  2 I 3  Table 7-6. Connector Pin Assignment - Head temperature signal #3 Head Data #1 Head Data #5 Head Data #3, 7 Common #7 Head Data #5,9 Common #9 Head Data #8 Head Data #4 Head Data #3 Common #8 Common #8 Head Data #1,4 Common #2 Head
  • Epson FX 890 | Service Manual - Page 90
    Pin No. 1 2 FX-1180/FX-880 Service Manual Appendix Table 7-11. Connector Pin Assignment - CN10 I/O 12 Table 7-13. Connector Pin Assignment - CN12 I/O Signal Name Function  +5V +5V O POUTL Paper Out LED O PAUSE Pause LED O TOFFL Tear Off/Bin LED O FONT2L Font LED O FONT1L Font
  • Epson FX 890 | Service Manual - Page 91
    7.2 COMPONENT LAYOUT FX-1180/FX-880 Service Manual Appendix Figure 7-2. C229MAIN Board Component Layout Rev. B 7-6
  • Epson FX 890 | Service Manual - 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 7-7
  • Epson FX 890 | Service Manual - Page 93
    FX-1180/FX-880 Service Manual Appendix Figure 7-5. C229PSH Component Layout Figure 7-6. C229PNL Board Component Layout Rev. B 7-8
  • Epson FX 890 | Service Manual - Page 94
    7.3 DIMENSIONS AND WEIGHT Y FX-1180 Dimensions: Weight: Appearance: 590mm(W) ×350mm(D) × 154mm(H) Approximately 9.6Kg See the figures below. FX-1180/FX-880 Service Manual Appendix 154 590 350 Figure 7-7. Physical Specifications for FX-1180 Rev. B 7-9
  • Epson FX 890 | Service Manual - Page 95
    Y FX-880 Dimensions: Weight: Appearance: 415mm(W) ×350mm(D) × 154mm(H) Approximately 9.6Kg See the figures below. FX-1180/FX-880 Service Manual Appendix 415 350 Figure 7-8. Physical Specification for FX-880 154 Rev. B 7-10
  • Epson FX 890 | Service Manual - Page 96
    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) FX-1180/FX-880 Service Manual Appendix Rev. B 7-11
  • Epson FX 890 | Service Manual - Page 97
    108 140 140 380 104 541 118 125 125 106 109 125 125 125 113 140 120 500 140 606 126 450 101 100 107 101 135 105 119 127 102 122 138 126 330 112 128 115 116 123 127 133 127 132 127 127 129 300 127 127 117 123 200 110 137 111 112 373 400 400 EXPLODED DIAGRAM FOR FX-1180(1)
  • Epson FX 890 | Service Manual - Page 98
    590 601 607 591 595 596 505 550 543 547 549 553 551 610 580 608 592 524 609 511 610 529 EXPLODED DIAGRAM FOR FX-1180(2)
  • Epson FX 890 | Service Manual - Page 99
    132 127 129 330 127 127 123 200 125 113 117 110 137 128 101 107 115 112 100 116 112 101 EXPLODED DIAGRAM FOR FX-880(1) 111 400 373 400
  • Epson FX 890 | Service Manual - Page 100
    590 601 607 591 595 596 505 577 545 552 550 543 547 549 609 610 608 529 592 551 610 524 EXPLODED DIAGRAM FOR FX-880(2)
  • Epson FX 890 | Service Manual - Page 101
    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 FX-1180/FX-880 Service Manual Appendix Rev. B 7-16
  • Epson FX 890 | Service Manual - Page 102
  • Epson FX 890 | Service Manual - Page 103
  • Epson FX 890 | Service Manual - Page 104
  • Epson FX 890 | Service Manual - Page 105
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