Page 2 - Pin Impact Dot Printer
Page 3 - NOTICE; The contents of this manual are subject to change without notice.
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, orotherwise, without the prior written permission of SEIKO EPSON CORPORATION. The contents of this manual a...
Page 4 - PRECAUTIONS; DANGER; DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES.; WARNING; • REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON
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 DANG...
Page 5 - PREFACE
PREFACE This manual describes basic functions, theory of electrical and mechanical operations,maintenance and repair procedures of FX880. The instructions and procedures included herein areintended for the experienced repair technicians, and attention should be given to the precautionson the precedi...
Page 6 - REVISION STATUS; Date; All
REVISION STATUS Rev. Date Page(s) Contents A 1997/09/30 All First release
Page 7 - TABLE OF CONTENTS; PRODUCT SPECIFICATION
TABLE OF CONTENTS PRODUCT SPECIFICATION 1.1 SPECIFICATION ..................................................................................... 1-0 1.2 OPERATION............................................................................................ 1-0 1.2.1 Control panel .........................
Page 17 - CAUTION; Selects the CSF bin number when the CSF is used.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 1-7 .2 OPERATION This section describes the operations equipped with this printer. .2.1 Control panel The control panel of this printer consists of 5 switches and 5 LEDs, as shown below; T e a r O f f / B i n L F / F F L o a d / E j e c t P a u ...
Page 18 - Executes the printing LQ self test printing.; Tear-off / Bin and Pause at same time while turning on the printer.; Clears the line counter value stored in the EEPROM.; Pause switch, while turning on the printer.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 1-8 .2.2.2 Operations at Power-on Pressing the specified switch (switches) while turning on the printer enables the following specialfunctions: 1. Self test - Switches : Load / Eject while turning on the printer. Function: Executes the printing ...
Page 21 - Refer to the following flowchart for the default setting mode 2.; Figure 1-5. Flowchart for Default setting mode 2; Page length for front tractor
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 1-11 .2.6 Default Setting Mode 2 Refer to the following flowchart for the default setting mode 2. S T A R T L a n g u a g e s e l e c t i o n s h e e t C h a n g e t h e l a n g u a g e ? Y E S N O S e l e c t t h e m e n u a n d t h e m e t h o...
Page 23 - Refer to the following flowchart for the Bi-D adjustment.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 1-13 .2.8 Bi-D Adjustment Refer to the following flowchart for the Bi-D adjustment. S T A R T [ S t e p A ] S e l e c t t h e n u m b e r f o r t h e m o s t c l o s e l y a l i g n e d p a t t e r n b y p r e s s i n g t h e L F / F F s w i t c...
Page 24 - OPERATING PRICIPLES
Page 25 - Control
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 2-1 .1 MAIN COMPONENTS This printer is divided into several main components for easy removal and repair. The maincomponents are : C229MAIN : Control board C229PSB/PSE : Power supply board C229PNL : Operation panel board M-3J10 : Printer mechanis...
Page 28 - Logic lines
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 2-4 .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 orthe C229PSE (230V) board. The function of these two boards is the same , except for a dif...
Page 31 - TROUBLESHOOTING
Page 32 - C par one
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-1 .1 OVERVIEW The printer may exhibit different symptoms for the same problem, which makes troubleshootingmore difficult. This section, however, provides simple and effective ways to facilitatetroubleshooting. The following flowchart illustrat...
Page 35 - .2 UNIT LEVEL TROUBLESHOOTING
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-4 .2 UNIT LEVEL TROUBLESHOOTING You may be able to Identify the defective unit just from the symptom displayed. The table belowprovides the symptoms for a number of failures, so that you can easily Identify the problem. Oncethe problem has bee...
Page 42 - .3 UNIT REPAIRING OF THE POWER SUPPLY BOARD; Verify the waveform at drain of Q1.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-11 .3 UNIT REPAIRING OF THE POWER SUPPLY BOARD This section is necessary only for servicers who repair to the component level. Servicers whoperform only board replacement can ignore this section.The table below lets you troubleshoot problems w...
Page 43 - Verify the waveform at pin 5 of IC51.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-12 Table 3-7. Repair of the C229PSB/PSE (continued) Symptom Condition Cause Checkpoint Solution +35V line isdefective. PC1 isdefective. Verify the waveform at pin 5 or 7 ofPC1. Figure 3-12. Waveform of PC1 Replace theC229PSB/PSE board. The pri...
Page 44 - .4 UNIT REPAIRING OF THE MAIN BOARD
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-13 .4 UNIT REPAIRING OF THE MAIN BOARD This section is necessary only for servicers who repair to the component level. Servicers whoperform only board replacement can ignore this section.The table below lets you troubleshoot problems with the ...
Page 47 - .5 REPAIRING THE PRINTER MECHANISM; The CR motor fails to operate.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 3-16 .5 REPAIRING THE PRINTER MECHANISM For detailed procedures for replacing or adjusting matter, refer to Chapter 4, Disassembly andAssembly and Chapter 5, adjustments. If a problem or symptom occurs, refer to following tables totry find other...
Page 50 - DISASSEMBLY AND ASSEMBLY; C H A P T E R
Page 54 - .2 DISASSEMBLY AND ASSEMBLY
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-4 .2 DISASSEMBLY AND ASSEMBLY This section provides the disassembly procedures. The basic order for disassembly is shown in theflowchart below. The exploded diagrams are also provided in the APPENDIX. Refer to them to seehow components are eng...
Page 55 - ) screws attaching the printhead to the carriage assembly.; Be careful with the printer when you handle it, as it may be very hot
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-5 .2.1 Printhead Removal 1• Remove the top cover.1• Remove 2 CBS (M3 × 8) screws attaching the printhead to the carriage assembly. 1• Disconnect the head FFC from the printhead and remove it. WARNING Before disassembling or assembling the prin...
Page 59 - power supply board, just after power off as it may be very hot.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-9 .2.5 C229MAIN Board Removal WARNING Before disassembling, assembling or adjusting the printer, disconnect the power supply cable from the AC power socket. Failureto do it cause personal injury. Do not touch the heat sink attached to the swit...
Page 61 - 2) screws securing the shield cover to the; Before disassembling, assembling or adjusting the printer,
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-11 .2.6 C229PSB/PSE Board Removal 1• Remove the PAPER GUIDE ASSEMBLY, top cover, front cover, paper eject cover, knob and tractor unit. (See Section 4.2.3.) 1• Remove the upper housing. (See Section 4.2.4.)1• Remove 5 CBS (M3 × 4) screws and 3...
Page 63 - • Slide the PLATEN toward right a little and take it off upward.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-13 .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.) 1• Remove the upper housing. (See Section 4.2.4.)1• Remove 2 CBS (M3 × 8) screws securing the COV...
Page 65 - • Remove 2 CB (M3; Figure 4-11. Positioning the CR Motor on the CR Motor Bracket
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-15 .2.10 Printer Mechanism Disassembly .2.10.1 CR Motor Removal 1• Release the tension spring.1• Disengage the TIMING BELT from the CR motor pinion and hang it on the hook.1• Remove 2 SHAFT,MOUNT,CR screws securing the CR motor assembly to the...
Page 67 - Verify to properly mesh the release lever with the teeth of; I N T E R M I T T E N T G E A R; Engagement between Release Lever and INTERMITTENT GEAR
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-17 .2.10.3 PF Gear Train Disassembly 1• Remove the printer mechanism. (See Section 4.2.9.)1• Remove the CR motor. (See Section 4.2.10.1.)1• Remove the PF motor. (See Section 4.2.10.2)1• Remove the head FFC from the FRAME,SUB,RIGHT of the print...
Page 69 - and remove the detector.; • Disconnect the harness from the detector.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-19 .2.10.6 Front PE (Paper End) Detector Removal 1• Remove the printer mechanism. (See Section 4.2.9.)1• Remove 2 clips of the front PE detector attached to the REAR PAPER GUIDE ASSEMBLY, and remove the detector. 1• Disconnect the harness from...
Page 71 - ) screws securing the LEFT FRAME of the printer mechanism, and; Figure 4-21. REAR PAPER GUIDE ASSEMBLY Removal
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 4-21 .2.10.9 Rear Paper Guide Assembly Removal 1• Remove the printer mechanism. (See Section 4.2.9.)1• Remove the Platen. (See Section 4.2.8.)1• Remove the hexagon nut and the washer securing the LEVER,G,ADJUST to the SHAFT,CR,GUIDE, and remove ...
Page 73 - ADJUSTMENT
Page 74 - .1 ADJUSTMENT OVERVIEW
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 5-1 .1 ADJUSTMENT OVERVIEW .1.1 Required Adjustment This section describes what adjustments are required after any part is removed or replaced. Thefollowing table shows the relationship between the repair item and the adjustment. Table 5-1. Requ...
Page 75 - .2 ADJUSTMENT AND RESETTING THE PRINTER
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 5-2 .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 printingis too faint or stained, the Plate Gap adjustment must be performed in the following or...
Page 76 - Printhead touch each other lightly.; Do not rotate the PLATEN during the adjustment.
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 5-3 1• Move the carriage assembly to the left edge.1• Set the thickness gauge of 0.38 mm and insert it between the Printhead and PLATEN.1• Insert the screwdrivers into the countersink and rotate the screwdriver until the PLATEN and Printhead tou...
Page 80 - All mode
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 5-7 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....
Page 81 - MAINTENANCE
Page 82 - .1 PREVENTIVE MAINTENANCE
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 6-1 .1 PREVENTIVE MAINTENANCE Preventive maintenance is important to keep the printer in the best condition and to preventtroubles in advance. Use the denatured alcohol to clean the exterior case and use the vacuumcleaner if necessary, to remove...
Page 85 - APPENDIX
Page 86 - .1 CONNECTOR SUMMARY
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 7-1 .1 CONNECTOR SUMMARY The primary components are connected as shown below; C229PSB/PSE Board C229MAIN Board Printer Mechanism M-3J10 CN1 CN2 CN1 Parallel I/F CN2 Type-B I/F CN3 CN4 HP Detector CN5 Front PE Detector CN6 Rear PE Detector CN7 CN...
Page 103 - .5 DIMENSION AND WEIGHT
SERVICE MANUAL MASTER FILE ENGLISH Rev. A (1997/05/07) 7-18 .5 DIMENSION AND WEIGHT 4 1 5 3 5 0 154 Figure 7-13. Case Outline Drawing