EPSON FX-880 / 1180 PRODUIT EPSON France S.A.
9 Pin Impact Dot Printer EPSON FX-880 ® 4008484
NOTICE All rights reserved. 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. 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.
PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment.
PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of FX880. 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. PRODUCT DESCRIPTIONS Provides a general overview and specifications of the product. CHAPTER 2.
REVISION STATUS Rev.
TABLE OF CONTENTS PRODUCT SPECIFICATION 1.1 SPECIFICATION ..................................................................................... 1-0 1.2 OPERATION............................................................................................ 1-0 1.2.1 Control panel .................................................................................................1-0 1.2.2 Switches.........................................................................................................1-0 1.2.2.
TROUBLESHOOTING 3.1 OVERVIEW.............................................................................................. 3-0 3.1.1 Main Component Checking Point ................................................................3-0 3.1.2 Error ...............................................................................................................3-0 3.2 UNIT LEVEL TROUBLESHOOTING ...................................................... 3-0 3.3 UNIT REPAIRING OF THE POWER SUPPLY BOARD ..................
ADJUSTMENT 5.1 ADJUSTMENT OVERVIEW.................................................................... 5-0 5.1.1 Required Adjustment ....................................................................................5-0 5.1.2 Adjustment Tools ..........................................................................................5-0 5.2 ADJUSTMENT AND RESETTING THE PRINTER ................................ 5-0 5.2.1 Platen Gap Adjustment....................................................................
PRODUCT SPECIFICATION
SERVICE MANUAL MASTER FILE ENGLISH .1 SPECIFICATION The FX-880 is a small hoot, 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 9×1 Print pin diagrams 0.29 mm ( 0.0114 inch ) RESOLUTION Table 1-1.
SERVICE MANUAL MASTER FILE ENGLISH PAPER / MEDIA Table 1-3. Cut Sheet Insertion Width Length Thickness Weight Quality Front entry Rear entry 148 ~ 257mm ( 5.8 ~ 10.1») 182 ~ 364mm ( 7.2 ~ 14.3» ) 92 ~ 364mm ( 3.6 ~ 14.3») 0.065 ~ 0.14mm ( 0.0025~ 0.0055») 52 ~ 90g/m2 (14 ~ 24 lb) Plain paper, Reclaimed paper *, not curled, not folded, not crumpled Table 1-4. Cut Sheet ( Multi-Part ) Insertion Width Length Copies Total thickness Weight Quality Jointing Front entry 182 ~ 257mm ( 7.2 ~ 10.
SERVICE MANUAL MASTER FILE ENGLISH Table 1-7. Continuous Paper with Labels Front entry See the figure below; Bottom entry 6 3 .5 m m Base sheet width Base sheet length Base sheet thickness Total thickness Label weight Quality (2 .5 ") L a b e l 2 3 .8 m m ( 1 5 /1 6 " ) Insertion Label size R 2 .5 m m ( 0 .1 " ) Figure 1-1. Label 101.6 ~ 254.0mm ( 4 ~ 10» ) 101.6 ~ 558.8mm ( 4 ~ 22» ) 0.07 ~ 0.09mm ( 0.0028 ~ 0.0035» ) 0.16 ~ 0.19mm ( 0.0063 ~ 0.
SERVICE MANUAL MASTER FILE ENGLISH TYPEFACE Bit map Font Bar code fonts CHARACTER TABLES Standard version NLSP version EPSON Draft 10cpi, 12cpi, 15cpi EPSON Roman 10cpi, 12cpi, 15cpi, Proportional EPSON Sans Serif 10cpi, 12cpi, 15cpi, Proportional EAN-13, EAN-8, Interleaved 2 of 5, UPC-A, UPC-E, Code 39, Code 128, POSTNET 11 tables 19 tables INPUT BUFFER 0 Kbytes / 32 Kbytes ELECTRICAL SPECIFICATION 120 V version Rated voltage AC 120 V Input voltage range AC 103.
SERVICE MANUAL MASTER FILE ENGLISH ACOUSTIC NOISE 55 dB(A) ( ISO 7779 pattern ) ENVIRONMENTAL CONDITION Temperature 5 to 35 °C ( Operating ) -30 to 60 °C ( Non-operating) Humidity 10 to 80 % ( Operating without condensation ) 0 to 85 % ( Non-operation without condensation) RELIABILITY Total print volume MTBF Print head life 6.5 million lines ( Except Print head) (4000 POH ) approx. 100 million characters RIBBON CARTRIDGE Type Color Ribbon life Fabric Black Approx.
SERVICE MANUAL MASTER FILE ENGLISH CONSUMPTION & OPTIONS Table 1-9.
SERVICE MANUAL MASTER FILE ENGLISH .2 OPERATION This section describes the operations equipped with this printer. .2.
SERVICE MANUAL MASTER FILE ENGLISH .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: 1. Data dump mode Switches : Function: 1. Load / Eject and LF / FF switches at same time while turning on the printer. Executes the data dump function. Clearing the line counter value for the ribbon life in the EEPROM Switches: Function: 1.
SERVICE MANUAL MASTER FILE ENGLISH .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. Blinks when the Micro adjust function and the Font selection are enabled or the printhead is in the overheated condition. 1. Paper Out ( Red ) Comes On when the printer is in the Paper out condition.
SERVICE MANUAL MASTER FILE ENGLISH .2.5 Default setting mode 1 You can change some parameters that the printer refers to at printer initialization. .2.5.1 Setting Method Refer to the following flowchart for the default setting mode 1. S T A R T H o ld in g d o w n T e a r o f f / B in s w itc h , tu r n o n th e p r in te r . R e fe r r in g to th e F o n t a n d T e a r o ff/ B in L E D s , p u s h T e a r o f f /B in s w itc h to s e le c t th e m e n u .
SERVICE MANUAL MASTER FILE ENGLISH .2.6 Default Setting Mode 2 Refer to the following flowchart for the default setting mode 2. S T A R T 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 . R e fe r r in g to th e F o n t a n d T e a r o ff/ B in L E D s , p u s h T e a r o f f /B in s w itc h to s e le c t th e m e n u .
SERVICE MANUAL MASTER FILE ENGLISH .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.
SERVICE MANUAL MASTER FILE ENGLISH .2.8 Bi-D Adjustment Refer to the following flowchart for the Bi-D adjustment. S T A R T H o ld th e p a lig n w ith in g r in m e th e [S te p A S e le c t c lo s e ly p r e s s in L o a d /E d o te r n t g u ] w n P a u s e s o n , a n d th e p a tte r is p r in id e fo r th e a th e n u m b e a lig n e d p a g th e L F /F je c t s w itc h w itc h , tu rn fir s t te d a lo n g d ju s tm e n t. r fo r th e m o s t tte rn b y F s w itc h a n d e s .
OPERATING PRICIPLES
SERVICE MANUAL MASTER FILE ENGLISH .1 MAIN COMPONENTS This printer is divided into several main components for easy removal and repair. The main components are : : Control board C229MAIN C229PSB/PSE : Power supply board : Operation panel board C229PNL : Printer mechanism M-3J10 : Upper case, Lower case, Rear sheet guide, Knob, Printer cover Housing .1.
SERVICE MANUAL MASTER FILE ENGLISH .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. .2.1 Printhead The printhead prints data from the control board on paper using the ink ribbon. The printhead is mounted on the carriage unit. .2.
SERVICE MANUAL MASTER FILE ENGLISH T ra c to r R e le a s e L e v e r R e le a s e D e te c to r R e a r P E D E te c to r P F M o to r P la te n R o lle r F ro n t P E d e te c to r P a r a lle lis m P r in th e a d B u s h in g C R G u id e S h a ft P a r a lle lis m B u s h in g C R M o to r C a r r ia g e U n it R ib b o n F e e d M e c h a n is m P G T im in g B e lt H P D e te c to r A d ju s t L e v e r Figure 2-3. Printer Mechanis Outline Rev.
SERVICE MANUAL MASTER FILE ENGLISH .3 CIRCUIT OPERATION .3.1 C229PSB/PSE Power Supply Circuit This printer can be powered by either of two power supply boards: the C229PSB (120V) board or the C229PSE (230V) board. The function of these two boards is the same , except for a difference in the primary circuitry. The power supply outputs the DC current necessary to drive the printer control circuit and drive the mechanism.
SERVICE MANUAL MASTER FILE ENGLISH .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 TMP96C141AF Location IC3 E05B50 IC2 PST594E AT93C46 IC1 IC4 PSRAM IC5 ROM IC7 SLA7024M A2917SEB Comparator IC8 IC11 IC12 Function 16 bit CPU runs at 14.
SERVICE MANUAL MASTER FILE ENGLISH The 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 In p u t b u ffe r P r in t d a ta c o n v e r s io n Im a g e b u ffe r Im a g e d a ta tra n s fe r R A M C P U D a ta la tc h a n d d a ta o u tp u t G a te a rra y P r in th e a d d r iv e r c ir c u it Figure 2-6. Data Flow Rev.
À TROUBLESHOOTING
SERVICE MANUAL MASTER FILE ENGLISH .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 C229PSB/PSE Board Unit Repair of the C229MAIN Board Unit Repair of M-3J10 Mechanism Assembly and Adjustment END Figure 3-1.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-2. Printhead Solenoid Resistance Part Printhead Test Pin Number (See the figure berlow.) Test Method (Set Meter to Ohms. Disconnect Motor from Main Board and check it with Printer Power off.) Specifications Common pin C1 : Test pin 1, 4 For example, place one lead on pin C1 and the other lead on Test pin 1 to check #1 pin Printhead solenoid. The test pin number is just match with the printhead solenoid (dot wire) number. 8.19 ± 0.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-4 Detector Test Point Detector Connector Number HP Detector (CN4) Front PE Detector (CN6) Release Lever Detector (CN10) PG Detector (CN11) Printhead thermistor Test Method (Set Meter to Ohms. Check the Printer power off.) Place one lead on pin 1 and the other lead on pin 2, and toggle the detector actuator. Place one lead on pin 1 and the other lead on pin 2, and toggle the detector actuator. Meter Reading Meter should toggle between open and short.
SERVICE MANUAL MASTER FILE ENGLISH .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. Table 3-5. Symptoms and Problems Symptom Printer fails to operate when power is on.
SERVICE MANUAL MASTER FILE ENGLISH 1. Printer fails to operate when power is on. START NO Is AC input voltage normal? 120V version: 85 - 138V 230V version: 187 - 276V Use the correct AC input voltage. No fluctuation from AC voltage range is permitted. YES YES Are the fuses F1 on C229PSB/PSE blown? Replace the fuse. NO NO Is the new fuse also blown when power is turned on again? Measure the +35V line at pin 7 or 8 of CN2 on C229PSB/PSE. Is output voltage normal? YES Replace the C229 PSB/PSE.
SERVICE MANUAL MASTER FILE ENGLISH 2. Abnormal carriage operation at power on. START Are all connectors connecting the C229MAIN board and printer mechanism? NO Reinsert the connectors correctly. YES NO Is the fault solved? YES END NO Dose the carriage move to the home position? See the troubleshooting for Printer Mechanism. YES Replace the C229MAIN Board. NO Is the fault solved? YES END END Figure 3-5. Flowchart (2) Rev.
SERVICE MANUAL MASTER FILE ENGLISH 3. Printing is faulty during self-test, but carriage operation is normal. START Is AC input voltage normal? 120V version: 85 - 138V. 230V version: 187 - 276V. NO Use the correct AC input voltage. No fluctuation from AC voltage range is permitted. YES Holding down the LF/FF or YES Load/Eject switch, turn on the printer to start self test printing.
SERVICE MANUAL MASTER FILE ENGLISH 4. Abnormal paper feeding START NO Is the paper loaded correctly? Load the paper correctly. YES Is the connector CN5 or CN6 connected correctly? NO YES Reinsert the connector CN5 or CN6 correctly. NO Is the fault solved? YES END Dose the platen knob rotate smoothly when it is turned manually at power off? NO Refer to the troubleshooting for Printer Mechanism. YES Replace the C229MAIN board.
SERVICE MANUAL MASTER FILE ENGLISH 5. Abnormal control panel operation START Do the switches have clicks? NO YES Is the fault solved? Replace the Operation Panel. NO YES Replace the C229MAIN board. Is the fault solved? NO YES Verify that the harness for the operation panel is properly inserted and have continuity. If it is connected, replace the harness. END END END Figure 3-8. Flowchart (5) Rev.
SERVICE MANUAL MASTER FILE ENGLISH 6. Data sent by the host computer is printed incorrectly. START Execute the printer self test. NO Dose the self test print normally? Refer to the other troubleshooting items. YES Verify the default setting. Is the interface cable connected correctly? NO Replace the interface cable. YES NO Is the fault solved? Replace the C229MAIN board. YES END NO Is the fault solved? Increase the setting position of the paper thickness lever.
SERVICE MANUAL MASTER FILE ENGLISH .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). The table provides various symptoms, likely cases, and checkpoints. Checkpoints include waveforms, resistance, and other value to be checked to evaluate the operation of each component.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-7. Repair of the C229PSB/PSE (continued) Condition Cause Checkpoint Solution Symptom Verify the waveform at pin 5 or 7 of PC1. +35V line is defective. Replace the C229PSB/ PSE board. PC1 is defective. Figure 3-12. Waveform of PC1 Verify the waveform at pin 5 of IC51. The printer dose not operate at all. Replace the C229PSB/ PSE board. +5V line is defective. Regulator IC (IC51) is defective. Figure 3-13.
SERVICE MANUAL MASTER FILE ENGLISH .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. Checkpoints include waveforms, resistance, and other value to be checked to evaluate the operation of each component. Table 3-8.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-9. Repair of the C229MAIN (continued) Condition Cause Checkpoint Solution Symptom Verify the oscillator signal at pin 26 or 27 of the CPU (IC3). The printer dose not operate at all. The CPU dose not operate. Replace the C229MAIN board. The CPU is defective. Figure 3-17. Clock Signal of CPU Verify the CR motor phase control signals at pin 5, 6, 16,17, and motor drive signals at pin 1, 8, 11, 18 of IC8. The carriage operates abnormally.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-10. Repair of the C229MAIN (continued) Condition Cause Checkpoint Solution Symptom Verify the PF motor phase control signals at pin 1, 2, 23, 24, and motor drive signals at pin 3, 6, 18, 21 of IC11. The paper feeds abnormally. The paper dose not feed at all. IC 11 is defective. Replace the C229MAIN board. Pin 1 of IC11 Pin 3 of IC 8 Figure 3-19.
SERVICE MANUAL MASTER FILE ENGLISH .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 following tables to try find other potential causes. Table 3-11. Repairing the Printer Mechanism Symptom Cause Problem: The CR motor fails to operate. Foreign substances The CR motor fails to are lodged in the drive the timing belt mechanism. after power on.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-12. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint Problem: Self test printing is not executed. A particular dot is The printhead is Measure the printhead coil missing. defective. resistance. It should be about 8 ohms. If the printhead is shorted, also verify the drivers on the main board. Verify whether head wire is born or not. The printhead is Verify whether head wire is The printing is too defective. born or not.
SERVICE MANUAL MASTER FILE ENGLISH Table 3-13. Repairing the Printer Mechanism (continued) Symptom Cause Checkpoint Solution Problem: Paper becomes stained with ink. Reinstall the ribbon Ink stains appear on The ribbon mask is Make sure the ribbon mask. printed areas. positioned incorrectly. mask is in the correct position. Adjust the platen The platen gap is not Set the gap adjustment adjusted correctly. lever to the first position, gap. Refer to the chapter 5 and verify the platen Adjustment. gap.
ÌCHAPTER DISASSEMBLY AND ASSEMBLY
SERVICE MANUAL MASTER FILE ENGLISH .1 OVERVIEW This section describes various points to note when disassembling and assembling the printer. Unless otherwise specified, disassembled units or components can be re-assembled by reversing the disassembly procedure. Therefore, no assembly procedures are included in this section. Precautions for any disassembly or assembly procedure are described under the heading «CHECK POINT».
SERVICE MANUAL MASTER FILE ENGLISH .1.3 Service Check After Repair After completing repair of the product, use the check list shown below, to verify status of repaired product and all the repair work performed before returning the product to the users. This list can be as a record of all service work performed with the product. Table 4-2.
SERVICE MANUAL MASTER FILE ENGLISH .1.4 Abbreviations for Small Parts The table below lists the abbreviations used in this manual for small parts, such as screws and washers, etc. Table 4-3.
SERVICE MANUAL MASTER FILE ENGLISH .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.
SERVICE MANUAL MASTER FILE ENGLISH .2.1 Printhead Removal 1• 1• 1• 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. Failure to do cause personal injury. Be careful with the printer when you handle it, as it may be very hot just after printing.
SERVICE MANUAL MASTER FILE ENGLISH .2.2 HP (Home Position) Detector Removal 1• 1• 1• 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. H o o k H P D e te c to r H a rn e s s Figure 4-3. HP Detector Removal Rev.
SERVICE MANUAL MASTER FILE ENGLISH .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 Figure 4-4• Pre-Desassembly CAUTION Remove the paper eject cover and the tractor unit by pushing and releasing the hooks at both sides. When remount them, verify to snap these hooks on the projecting parts. Rev.
SERVICE MANUAL MASTER FILE ENGLISH .2.4 Upper Housing Removal 1• 1• 1• 1• 1• 1• 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. Set the release lever to friction paper feeding. Opening the front side of upper housing a little, disconnect the Panel FFC from the connector of panel assembly.
SERVICE MANUAL MASTER FILE ENGLISH .2.5 C229MAIN Board Removal WARNING 1• 1• 1• 1• 1• 1• 1• 1• Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power socket. Failure to do it cause personal injury. Do not touch the heat sink attached to the switching FET (Q1) on the power supply board, just after power off as it may be very hot.
SERVICE MANUAL MASTER FILE ENGLISH 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 ld 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 1 2 ) C 2 2 9 M A IN B o a rd C 2 2 9 P S B /P S E R O M C B S (3 x 1 2 ) C O V E R ,C O N N E C T O R ,U P P E R P r in te r M e c h a n is m L o w e r C a s e Figure 4-6. C229MAIN Board Removal Rev.
SERVICE MANUAL MASTER FILE ENGLISH .2.6 C229PSB/PSE Board Removal 1• 1• 1• 1• 1• 1• 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 and remove the shield cover. (See Section 4.2.5.) Disconnect the harness from the connector CN3 on the C229MAIN board.
SERVICE MANUAL MASTER FILE ENGLISH .2.7 ROM Removal WARNING 1• 1• 1• 1• Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power socket. Failure to do it cause personal injury. Do not touch the heat sink attached to the switching FET (Q1) on the power supply board, just after power off as it may be very hot.
SERVICE MANUAL MASTER FILE ENGLISH .2.8 Platen Removal 1• 1• 1• 1• 1• 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. Rotating the teeth of the PLATEN SHAFT HOLDERs toward front, disengage them from the Left/Right Side Frames. Slide the PLATEN toward right a little and take it off upward.
SERVICE MANUAL MASTER FILE ENGLISH .2.9 Printer Mechanism Removal 1• 1• 1• 1• 1• 1• 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 and remove the shield cover. (See Figure 4-6.
SERVICE MANUAL MASTER FILE ENGLISH .2.10 Printer Mechanism Disassembly .2.10.1 CR Motor Removal 1• 1• 1• 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. Remove 2 CB (M3 × 6) screws securing the CR motor to the motor bracket, and remove the CR motor.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.2 PF Motor Removal 1• 1• 1• 1• Remove the printer mechanism. (See Section 4.2.9.) Release the motor harness from the printer mechanism securing part. 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. CAUTION In case of the release lever in the Friction feeding position, PF motor is not released.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.3 PF Gear Train Disassembly 1• 1• 1• 1• 1• 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 4.2.10.2) Remove the head FFC from the FRAME,SUB,RIGHT of the printer mechanism. Remove the 2 CBS (M3 × 8) screws securing the FRAME,SUB,RIGHT, and remove the FRAME,SUB,RIGHT. S P U R G E A R ,2 1 C O M P R E S S IO N S P R IN G S P U R G E A R ,2 7 S P U R G E A R ,3 4 .
SERVICE MANUAL MASTER FILE ENGLISH .2.10.4 PG (Platen Gap) Detector Removal 1• 1• Remove the printer mechanism. (See Section 4.2.9.) Remove 2 clips of PG detector attached to the LEFT FRAME of the printer mechanism and remove the detector. C lip P G D e te c to r L E F T F R A M E Figure 4-15. PG Detector Removal .2.10.5 Release Detector Removal 1• 1• Remove the printer mechanism. (See Section 4.2.9.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.6 Front PE (Paper End) Detector Removal 1• 1• 1• Remove the printer mechanism. (See Section 4.2.9.) Remove 2 clips of the front PE detector attached to the REAR PAPER GUIDE ASSEMBLY, and remove the detector. Disconnect the harness from the detector. R E A R P A P E R G U ID E A S S M E B L Y C lip F ro n t P E D e te c to r Figure 4-17. Front PE Detector Removal .2.10.7 Rear PE Detector Removal 1• 1• 1• 1• 1• Remove the printer mechanism. (See Section 4.2.9.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.8 Carriage Assembly Removal 1• 1• 1• 1• 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. Remove the BUSHING,PARALLEL,ADJUST to turn around the SHAFT,CR,GUIDE. Disengage the TIMING BELT from the CR motor. (See Section 4.2.10.1.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.9 Rear Paper Guide Assembly Removal 1• 1• 1• 1• 1• 1• 1• 1• 1• 1• 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 around the SHAFT,CR,GUIDE. (See Section 4.2.10.8.) Remove the PG Detector. (See Section 4.2.10.4.) Remove the harness of HP Detector.
SERVICE MANUAL MASTER FILE ENGLISH .2.10.10 Ribbon Drive (RD) Assembly Removal 1• 1• 1• 1• 1• 1• 1• 1• 1• 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 around the SHAFT,CR,GUIDE. (See Section 4.2.10.8.) Remove the harness of PG Detector. (See Section 4.2.10.4.
ADJUSTMENT
SERVICE MANUAL MASTER FILE ENGLISH .1 ADJUSTMENT OVERVIEW .1.1 Required Adjustment This section describes what adjustments are required after any part is removed or replaced. The following table shows the relationship between the repair item and the adjustment. Table 5-1.
SERVICE MANUAL MASTER FILE ENGLISH .2 ADJUSTMENT AND RESETTING THE PRINTER .2.1 Platen Gap Adjustment If the SHAFT,CR,GUIDE or BUSHING,PARALLEL,ADJUST is rotated or reassembled, or printing is too faint or stained, the Plate Gap adjustment must be performed in the following order: 1• 1• 1• Remove the Upper housing. (See Section 4.2.4.) Remove the printhead from the carriage assembly. (See Section 4.2.1.) Using tweezers, remove the ribbon mask from the carriage assembly.
SERVICE MANUAL MASTER FILE ENGLISH 1• 1• 1• Move the carriage assembly to the left edge. Set the thickness gauge of 0.38 mm and insert it between the Printhead and PLATEN. Insert the screwdrivers into the countersink and rotate the screwdriver until the PLATEN and Printhead touch each other lightly. Continue performing adjustment step 10 to 13, rotating the BUSHING,PARALLELISM,ADJUST until the parallelism gap of right and left becomes under 0.02 mm.
SERVICE MANUAL MASTER FILE ENGLISH .2.2 Factory Setting The factory settings of the printer for each destination are installed in the EEPROM on the main board. Therefore, If you have replaced the main board, you must re-install them again by the adjustment program. This section describes how to install the factory settings: 1• Connect the printer and the host DOS/V computer with a parallel interface cable. 1• Set the 10 inch width continuous paper to the printer.
SERVICE MANUAL MASTER FILE ENGLISH 7• The carriage width select menu appears. Move the cursor using «↑» or «↓» key to select «(1) 80 column» and press «Return» key. Program : xxxxx 9 pins VR 0 = x Setting: VR 1 = x ** In line** VR 2 = x [ Carriage Width ] >(1) 80 column (2) 106 column (3) 136 column 8• The main menu appears. Move the cursor using «↑» or «↓» key to select «(2) FF paper» from the list and press «Return» key. The test pattern printing starts.
SERVICE MANUAL MASTER FILE ENGLISH .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 the parallel interface cable. 1• Set the 10 inch width continuous paper to the printer. 1• Run the adjustment program in the host computer. 1• Select the printhead wire. (Refer to 5.2.2.) 5• Select the market setting. (Refer to 5.2.2.
SERVICE MANUAL MASTER FILE ENGLISH 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 left and right sides of the column) Mode 1 : Less than 0.2 mm (at left and right sides of the column) Mode 4 : Less than 0.05 mm (at left and right sides of the column) 9• Press «Return» key to fix the adjustment value in each mode.
MAINTENANCE
SERVICE MANUAL MASTER FILE ENGLISH .1 PREVENTIVE MAINTENANCE Preventive maintenance is important to keep the printer in the best condition and to prevent troubles in advance. Use the denatured alcohol to clean the exterior case and use the vacuum cleaner if necessary, to remove dust and paper debris in the printer inside. WARNING CAUTION Disconnect the printer from the AC socket before performing maintenance.
SERVICE MANUAL MASTER FILE ENGLISH .2 LUBRICATION 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) G a p A d ju s tm e n t L e v e r L u b r ic a te a ll th e s e s lo ts . P la te n G a p A d ju s tm e n t S lo t : L u b r ic a tio n P o in t R e f. N o .( 3 ) : L u b r ic a tio n P o in t R e f. N o .( 2 ) Figure 6-2. Lubricating Point (2) and (3) Rev.
SERVICE MANUAL MASTER FILE ENGLISH : 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 Points (5), (6) and (7) R e le a s e S h a ft : L u b r ic a tin g P o in t ( 8 ) Figure 6-5. Lubricating Point (8) Rev.
APPENDIX
SERVICE MANUAL MASTER FILE ENGLISH .1 CONNECTOR SUMMARY The primary components are connected as shown below; Printer Mechanism M-3J10 C229MAIN Board AC C229PSB/PSE Board CN1 CN2 CN7 Printhead CN11 PG Detector CN3 CN10 Parallel I/F CN1 Type-B I/F CN2 Release Detector CN9 CR Motor CN8 PF Motor CN6 Rear PE Detector CN5 Front PE Detector CN4 HP Detector CN12 Panel Figure 7-1. Cable Connections Table 7-1. Connector Summary Board C229MAIN Board C229PSB/PSE Board Rev.
SERVICE MANUAL MASTER FILE ENGLISH Table 7-2. Connector Pin Assignment - CN1 Pin No. 1 I/O I 2-9 10 I O 11 O 12 O 13 14 15 16 17 18 19 - 30 31 32 33 34 35 36 O I O I O O O Rev. A (1997/05/07) Signal Name /STROBE Function Strobe pulse. Input data is latched at falling edge of the signal. 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.
SERVICE MANUAL MASTER FILE ENGLISH Table 7-3. Connector Pin Assignment - CN2 Pin No. 1-6 7 8 9 10 11 12 13 14 15 16 17 18 19 - 24 25 26 27 28 29 30 31 32 33 34 35 36 I/O O O I O O I I I O O O O O O O I/O I/O I/O I/O I/O I/O I/O I/O Signal Name +5 TXD /READY RXD NC /RST INH /CMREQ /WRRDY /RDRDY /WR /RD /CS GND A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Function +5 V Transmit data Ready to receive data Receive data Not connected.
SERVICE MANUAL MASTER FILE ENGLISH Table 7-6. Connector Pin Assignment - CN5 Pin No. 1 2 3 I/O I Signal Name +5V PE GND Function +5V Rear PE Detector signal Ground Table 7-7. Connector Pin Assignment - CN6 Pin No. 1 2 I/O I Signal Name PE GND Function Front PE Detector signal Ground Table 7-8. Connector Pin Assignment - CN7 Pin No.
SERVICE MANUAL MASTER FILE ENGLISH Table 7-11. Connector Pin Assignment - CN10 Pin No. 1 2 I/O I Signal Name RELEASE GND Function Release Detector signal Ground Table 7-12. Connector Pin Assignment - CN11 Pin No. 1 2 I/O I Signal Name PG1 GND Function PG Detector signal Ground Table 7-13. Connector Pin Assignment - CN12 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 I/O O O O O O I I I I I Rev.
SERVICE MANUAL MASTER FILE ENGLISH Rev.
SERVICE MANUAL MASTER FILE ENGLISH .2 CIRCUIT DIAGRAM See the hard copy. Figure 7-2. C229MAIN Circuit Diagram Rev.
SERVICE MANUAL MASTER FILE ENGLISH Rev.
SERVICE MANUAL MASTER FILE ENGLISH Figure 7-3. C229PSB Circuit Diagram See the hard copy. Rev.
SERVICE MANUAL MASTER FILE ENGLISH Figure 7-4. C229PSE Circuit Diagram See the hard copy. Rev.
SERVICE MANUAL MASTER FILE ENGLISH Figure 7-5. C229PSH Circuit Diagram See the hard copy. Rev.
SERVICE MANUAL MASTER FILE ENGLISH C N 1 + 5 V 1 2 + 5 V L E D 4 8 F O N T 2 L L E D 3 7 F O N T 1 L E D 2 9 T O F F L 1 1 L E D 1 1 0 L E D 0 P O U L P A U L 6 F O N T S W 3 4 5 5 L F F F S W 1 3 2 S W 2 4 5 4 L D E J S W 1 3 2 1 3 2 6 2 P S C 3 4 2 S W 0 4 5 5 S W 1 4 5 3 P A U S S W G N D S W 3 1 2 C 1 0 .1 u 2 5 V S W 4 1 1 P A N E L G N D Figure 7-6. C229PNL Circuit Diagram Rev.
SERVICE MANUAL MASTER FILE ENGLISH .3 COMPONENT LAYOUT Figure 7-7. C229MAIN Board Component Layout Rev.
SERVICE MANUAL MASTER FILE ENGLISH Figure 7-8. C229PSB Board Component Layout Figure 7-9. C229PSE Board Component Layout Rev.
SERVICE MANUAL MASTER FILE ENGLISH Figure 7-10. C229PNL Board Component Layout Rev.
140 108 140 101 606 541 Rev. A (1997/05/07) 107 140 500 120 140 126 101 450 126 128 126 116 115 126 105 112 122 138 127 102 119 EXPLODED DIAGRAM FOR FX-880(1) 100 126 118 104 135 112 127 125 123 330 129 106 125 400 127 127 132 127 111 137 123 125 109 200 127 133 400 127 125 110 373 117 113 125 SERVICE MANUAL MASTER FILE ENGLISH .4 EXPLODED DIAGRAM Figure 7-11.
Rev.
SERVICE MANUAL MASTER FILE ENGLISH .5 DIMENSION AND WEIGHT 3 5 0 1 5 4 4 1 5 Figure 7-13. Case Outline Drawing Rev.
SERVICE MANUAL MASTER FILE ENGLISH Rev.
