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Impact Serial Dot Matrix Printer
EPSON FX-980
®
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. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.
EPSON is a registered trademark of SEIKO EPSON CORPORATION.
General Notice:
Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners. EPSON disclaims any and all rights in those marks.
Copyright © 1996 SEIKO EPSON CORPORATION. Printed in Japan.
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. Signals a precaution which, if ignored, could result in damage to equipment.
WARNING
The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES. 2. NOWORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK. 3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN 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. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE. 3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS. 4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTISTATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS. 5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY.
PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of FX-980. 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. CHAPTER 2. CHAPTER 3.
PRODUCT DESCRIPTIONS OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY
Provides a general overview and specifications of the product.
Describes the theory of electrical and mechanical operations of the product.
Describes the step-by-step procedures for disassembling and assembling the product.
CHAPTER 4. CHAPTER 5. CHAPTER 6.
ADJUSTMENTS TROUBLESHOOTING MAINTENANCE
Provides Epson-approved methods for adjustment.
Provides the step-by-step procedures for troubleshooting.
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: · EEPROM Address Map · Connector Pin Assignments · C276 Main Board / C244 PSH Board Component Layout · C276 Main Board / C244 PSH Board Circuit Diagram
Revision Status
Revision A Issued Date March 17, 1999 Description First Release
EPSON FX-980
Revision A
Contents
Product Description
Overview ....................................................................................................... 9 Specifications .............................................................................................. 9 Features ................................................................................................... 9 Accessories ............................................................................................ 10 Hardware Specifications ........................................................................... 11 Printing Specifications ............................................................................ 11 Paper Handling ....................................................................................... 12 Paper Specifications ............................................................................... 14 Ribbon Specifications ............................................................................. 17 Electrical Specifications .......................................................................... 17 Reliability ................................................................................................ 17 Safety Approvals .................................................................................... 17 CE Marking ............................................................................................. 18 Physical Specifications ........................................................................... 18 Firmware Specifications ........................................................................... 19 Control Codes and Fonts ....................................................................... 19 Printable Area ......................................................................................... 20 Interface Specifications .......................................................................... 20 Parallel Interface (Forward Channel) .................................................. 20 Parallel Interface (Reverse Channel) ................................................. 21 Serial Interface ................................................................................... 21 Operation Instruction ................................................................................ 23 Errors ...................................................................................................... 25 Bi-directional Adjustment Function ......................................................... 25 EEPROM Initialization ............................................................................ 26 Main Components ..................................................................................... 27 C276 Main Board ................................................................................... 27 C276 PNL Board .................................................................................... 27
Operating Principles
Printer Mechanism Operations ................................................................ 29 Power Supply Operation ........................................................................... 29 Control Circuit ........................................................................................... Overview of the Control Circuit Operation .............................................. System Reset Circuit .............................................................................. Printhead Driver Circuit .......................................................................... CR Motor Driver Circuit .......................................................................... PF Motor Driver Circuit .......................................................................... EEPROM Control Circuit ........................................................................ Sensor Circuit ........................................................................................ 30 30 32 33 33 35 35 36
Disassembly and Assembly
Overview .................................................................................................... 38 Printer Disassembly and Assembly ....................................................... 38
Adjustment
Overview .................................................................................................... 45 Pre-operation for the Adjustment Program ............................................ 45 Bi-D Adjustment ..................................................................................... 47 TPE Level Reset .................................................................................... 48 Writing the User-characteristic Data ...................................................... 49
Troubleshooting
Overview .................................................................................................... 52 Troubleshooting Information ................................................................... 52 Printhead ................................................................................................ 52 Sensors .................................................................................................. 52
6
EPSON FX-980
Motors .................................................................................................... 52 The Error codes with Indicators and Buzzer .......................................... 53 Unit Level Troubleshooting ...................................................................... 54 Repairing the C166 PSB/PSE Board ........................................................ 54 Repairing the C276 Main Board ............................................................... 54 Repairing the Printer Mechanism ............................................................ 56
Revision A
Maintenance Appendix
EEPROM Address Map ............................................................................. 60 Connector Summary ................................................................................. 64 Component Layout .................................................................................... 66 Circuit Diagrams ........................................................................................ 69
7
PRODUCT DESCRIPTION
FX-980
Revision A
1.1 Overview
The EPSON FX-980 serial impact dot matrix printeris designed based on the existing FX-2170. Both products are common in most features, but vary in width; the FX-980 is narrower than the FX-2170. So this manual only provides information specific to the FX-980.
Copy capability:
1 original + 5 copies always 1 original + 6 copies at pull tractor feed (front, bottom) Font, Pause, Condensed Pause, Tear off, Bin, LF/FF, Load/Eject, Micro Adjust, Self-Test, Data Dump, and the Default Setting Universal Power Supply version supported
Control panel functions:
1.2 Specifications
These specifications provide statistical information for the FX-980. For information that is not included in this section, refer to the FX-2170 Service Manual.
Power supply:
1.2.1 Features
The main features of this printer are:
Print speed:
High speed draft: 506 cps at 10 cpi Draft: 380 cps at 10 cpi NLQ: 95 cps at 10 cpi Standard version: 13 tables NLSP version: 37 tables Total print volume:25 million lines (except printhead) MTBF: 10,000 power on hours (POH) 300 million cahracters Ribbon life:7.5 million characters Bi-directional parallel interface Type-B interface Serial interface ESC/P2 and IBM 2380 plus emulation Figure 1-1. Exterior View of the FX-980
Character tables: Reliability:
Printhead life: Interface:
Control codes:
Product Description
Overview
9
FX-980
Revision A
1.2.2 Accessories
Table 1-1. Items Included with the Printer
Enclosed Items User's manual Driver diskette Ribbon cartridge Power supply cable (230 V Version) Quantity 1 1 1 1
Table 1-2. Consumable and Optional Items
Unit Ribbon cartridge Ribbon pack High-capacity cut sheet feeder (bin 1) Second bin cut sheet feeder (bin 2) Pull tractor unit Roll paper holder 32 KB intelligent serial I/F card Type-B Local Talk I/F card Coax I/F card Twinax I/F card IEEE-1284 parallel I/F card Type-B Ethernet I/F card for 10Base T/2 Type-B Ethernet I/F card for 100Base T / 100Base TX Description S015091-0036 S010036-0036 C806841 (EAI), C806842 (Non-EAI) C806851 (EAI), C806852 (Non-EAI) C800331 (EAI), C800332 (Non-EAI) #8310 C82307* / C82308* C82312* C82314* C82315* C82345* C82362* C82363* *1, C82364*,
*1: When you use Ethernet interface card (C82363*), you need to attach the optional interface card adapter (C82525*) to the interface card.
Product Description
Specifications
10
FX-980
Revision A
1.3 Hardware Specifications
This section also contains information specific to the FX-980. For other information, refer to the FX-2170 Service Manual.
Print speed and printable columns: See the table below. Table 1-4. Print Speed and Printable Columns
Print Mode Character Pitch 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi 10 cpi 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Printable Columns 80 96 120 137 160 80 96 120 137 160 80 80 96 120 137 160 Print Speed (cps) Normal 506 569 569 560 506 380 455 380 325 380 190 95 114 94 81 95 Copy 1 439 455 494 483 379 330 396 285 282 330 165 82 99 71 70 82 Copy 2 337 404 426 322 329 284 341 285 244 284 142 71 85 31 60 71
1.3.1 Printing Specifications
Print method: Number of pins: Print pin alignment: Print pin diameter: Color: Print direction: Resolution:
Impact dot matrix 18 pins 9 ×2 0.0114 inch (0.29 mm) Black Bi-directional with logic seeking See the table below: Table 1-3. Resolution
High-speed draft
High-speed draft condensed
Draft
Draft Condensed Draft emphasized
Printing mode Hifh speed draft Draft Draft condensed Draft emphasized NLQ Bit image
Horizontal density 90 dpi 120 dpi 240 dpi 120 dpi 240 dpi 60, 72, 80, 90, or 120 dpi 120 or 240 dpi
NLQ Vertical density 72 dpi 72 dpi 72 dpi 72 dpi 144 dpi 72 dpi 72 dpi Adjacent dot print No No No Yes No Yes No
NOTES:
1. When the power supply voltage drops to the lower limit, the printer stops printing and then starts printing on that line again more slowly than before. 2. When the head temperature rises to the upper limit, the printer stops printing. When the head temperature falls to the normal level, the printer start printing again more slowly than before. 3. Copy 1: When the paper thieckess lever is set to 2 or 3. 4. Copy 2: When the paper thickness lever is set to 4 or more.
Product Description
Hardware Specifications
11
FX-980
Revision A
1.3.2 Paper Handling
Feeding method
Friction feed (front, rear) Push tractor feed (front lever) Push & Pull tractor feed (front, rear) Pull tractor feed (front, rear, bottom)
Feed speed Normal mode: 1/6 inch feed: 46 msec Continuous feed: 0.127 MPS (m/second) 5.0 IPS (inches / second) 1/6 inch feed: 68 msec Continuous feed: 0.078 MPS (m/second) 3.1 IPS (inches/second) 0 Kbyte or 64 Kbyte (depends on the default setting)
Copy mode:
Input data buffer:
Product Description
Hardware Specifications
12
FX-980
Revision A
See the following table.
Release lever:
Paper thickenss lever:
See the following table.
Table 1-5. Release Lever Settings
Lever Position Paper path / Feeder Manual insertion (front) Manual insertion (rear) Friction CSF Bin 1 CSF Bin 2 Roll paper holder Push tractor feed (front) Front tractor Push & Pull tractor feed (front) Push tractor feed (rear) Rear tractor Push & Pull tractor feed (rear) Pull tractor feed (front) Full release Pull tractor feed (rear) Pull tractor feed (bottom) Continuous paper (Single sheet & Multipart) Continuous paper (Single sheet & Multipart), Continuous paper with labels Continuous paper (Single sheet & Multipart) Continuous paper (Single sheet & Multipart), Continuous paper with labels Continuous paper (Single sheet & Multipart), Continuous paper with labels Continuous paper (Single sheet & Multipart) Paper / Media Cut sheet (Single sheet & Multipart), Card Cut sheet (Single sheet & Multipart), Card, Envelope Cut sheet (Single sheet & Multipart), Card, Envelops Cut sheet (Single sheet) Roll paper Continuous paper (Single sheet & Multipart), Continuous paper with labels Setting Position 0 1 2 3 4 5 6
Table 1-6. Adjust Lever Setting Position
Paper Thickness (inch) Paper Thickness (mm) Minimum 0.0024 0.0043 0.0071 0.0079 0.0098 0.0126 0.0154 Maximum 0.0043 0.0071 0.0079 0.0098 0.0126 0.0154 0.0185 over 0.06 up to 0.11 over 0.11 up to 0.18 over 0.18 up to 0.20 over 0.20 up to 0.25 over 0.25 up to 0.32 over 0.32 up to 0.39 over 0.39 up to 0.47
Product Description
Hardware Specifications
13
FX-980
Revision A
1.3.3 Paper Specifications
This section provides paper specifications for the FX-980.
Cut sheet (multipart) Table 1-8. Cut Sheet (Multipart)
Front Entry Minimum Maximum 10.1 257 14.3 364 Rear Entry *1 Minimum 3.9 100 3.9 100 Maximum 10.1 257 14.3 364
Cut seet (single sheet, not multipart) Table 1-7. Cut Sheet (Single Sheet, Not Multipart)
Front Entry Minimum Width (inch) (mm) (inch) (mm) (inch) (mm) (g/m2) (lb.) 3.9 100 5.8 148 0.0025 0.065 52 14 Maximum 10.1 257 14.3 364 0.0055 0.14 90 24 paper*2, Rear Entry Minimum 3.9 100 (182*1) 3.9 100 (210*1) 0.0025 0.065 52 14 (8.3*1) (7.2*1) Maximum 10.1 257 14.3 364 0.0055 0.14 90 24 Length Copies Total Thickness Weight
(one sheet of multipart)
Width
(inch) (mm) (inch) (mm)
3.9 100 5.8 148
1 original + 5 copies (inch) (mm) (g/m2) (lb.) 0.0047 0.12 40 12 0.018 0.46 58 15
1 original + 5 copies 0.0047 0.12 40 12 0.018 0.46 58 15
Length Thickness Weight Quality
Quality Not curled, folded, or Jointing
Plain paper, Recycled crumpled
Plain paper, Recycled paper, Paper that is not curled, folded, or crumpled. Line glue at the top or one side of form. Line glue at the top of form.
*1: Value when CSF bin 2 is used. *2: Printing on recycled paper is available only under normal temperature and humidity conditions.
*1: Not available for the 2nd CSF.
Product Description
Hardware Specifications
14
FX-980
Revision A
Envelope Table 1-9. Envelope
Front Entry Minimum Width (inch) (mm) (inch) (mm) (inch) (mm) (inch) (mm) (inch) (mm) --Maximum ----------0.0063 0.16 Rear Entry Minimum 6.5 165 3.6 92 9.5 241 4.1 105 0.020 0.52 Maximum
Continuous paper (Single sheet and Multipart) Table 1-10. Continuous Paper (Single sheet and Multipart)
Front Entry Min. Max. 10.0 254 22 558.8 Rear Entry Min. 4 101.6 4 101.6 Max. 10.0 254 22 558.8 Bottom Entry Min. 4 101.6 4 101.6 Max. 10.0 254 22 558.8
Envelop (No. 6) Length Width Envelop (No. 10) Length
Width Length (one page) Copies Total Thickness Weight (not multipart) Weight (one sheet of multipart) Quality Jointing
(inch) (mm) (inch) (mm)
4 101.6 4 101.6
1 original + 5 copies *1 (inch) (mm) (g/m2) (lb.) (g/m2) (lb.) 0.0025 0.065 52 14 40 12 0.018 0.46 82 22 58 15
1 original + 5 copies 0.0025 0.065 52 14 40 12 0.018 0.46 82 22 58 15
1 original + 5 copies *1 0.0025 0.065 52 14 40 12 0.018 0.46 82 22 58 15
Total Thickness --(g/m2) (lb.)
The difference of thickness at the printable area is within 0.0098 inch (0.25mm). --45 12 90 24
Weight
---
Plain paper, Recycled paper, Carbonless multipart paper Point glue or paper staple (both sides)
Quality
---
BOND paper, plain paper or AIRMAIL No glue at a flap Not curled, not folded, not crumpled
*1: When pull tractor is used, 1 original copy + 6 copies is available.
NOTES: 1. Printing on envelope is available only under normal temperature and humidity conditions. 2. Envelopes should be inserted from rear entrance only. 3. Set the longer side of envelope horizontally.
Product Description
Hardware Specifications
15
FX-980
Revision A
Coutnuous paper with labels Table 1-11. Continuous Paper with Labels
Front Entry Min. Max. Bottom Entry Min. Max. Rear Entry Min. --------------Max.
Roll paper Table 1-12. Roll Paper
Front Entry Minimum Maximum ------------0.0028 0.07 52 14 Rear Entry Minimum 8.5 216 --0.0035 0.09 82 22 Maximum
Label size Base sheet width Base sheet length (one page) Base sheet thickness Total thickness Label weight (inch) (mm) (inch) (mm) (inch) (mm) (inch) (mm) (g/m2) (lb.)
See the figure below. 4 101.6 4 101.6 0.0028 0.07 0.0063 0.16 10.0 254 22 558.8 0.0035 0.09 0.0075 0.19 64 17
See the figure below. 4 101.6 4 101.6 0.0028 0.07 0.0063 0.16 64 17 10.0 254 22 558.8 0.0035 0.09 0.0075 0.19
Width Length Thickness Weight
(inch) (mm) (inch) (mm) (inch) (mm) (g/m2) (lb.)
Quality ---
---
Plain paper, Recycled paper Not curled, folded, or crumpled
Quality
AVERY CONTINUOUS FORM LABELS, AVERY MINI-LINE LABELS or the same quality labels
---
NOTES: 1. Printing on labels is available only under normal temperature and humidity condition. 2. The base sheet of labels must be continuous paper. 3. Continuous paper with labels should be inserted from the front or bottom entrance.
2.5 inch (63.5 mm) min.
15/16inch (23.8 mm) min.
Label
R 0.1 inch (2.5 mm) min.
Figure 1-2. Printable Area - Label
Product Description
Hardware Specifications
16
FX-980
Revision A
1.3.4 Ribbon Specifications
Type: Color: Ribbon Life:
Fabric Black Approximately 7.5 million characters (Draft 10 cpi, 14 dots / character)
Power consumption: Approximately 46 W (ISO/IEC10561 Letter pattern) Energy Star Compliant Insulation resistance: 10 M min. (between AC line and chassis, DC 500 V) Dielectric strength: AC 1500 Vrms. 1 min. (between AC line and chassis)
1.3.5 Electrical Specifications
The electrical specifications for the FX-980 are the same as for the FX2170 except for the items below. For information on other items, see the FX-2170 Service Manual.
1.3.6 Reliability
Total print volume: MTBF: Printhead life: 25 million lines (except printhead) 10000 POH (24% duty) Approximately 300 million characters
120 V Version
Input voltage range: AC 99 to 132 V Power consumption: Approximately 46 W (ISO/IEC10561 Letter pattern) Energy Star Compliant
1.3.7 Safety Approvals
120 V version
230 V version Power consumption: Approximately 46 W (ISO/IEC10561 Letter pattern) Energy Star Compliant
Safety standards: EMI:
UL1950, CSA C22.2 No. 950 FCC part15 subpart B class B CSA C108.8 class B
230 V version Safety standards: EMI: EN60950 (VDE) EN55022 (CISPR pub.22) class B AS/NZS 3548 class B
UPS version Rated voltage range: AC 100 to 120 V / AC 220 to 240 V Input voltage range: AC 90 to 132 V / AC198 to 264 V Rated frequency range: Input frequency range: Rated current: 50 to 60 Hz 49.5 to 60.5 Hz
UPS version Safety standards: UL1950, CSA C22.2 No. 950, EN60950 (VDE)
1.1 A (max. 2.2 A / 0.6 A (max 1.1 A)
Product Description
Hardware Specifications
17
FX-980
Revision A
FCC part15 subpart B class B CSA C108.8 class B EN55022 (CISPR pub.22) class B AS/NZS 3548 class B
EMI:
1.3.8 CE Marking
230 V version & UPS version
Low voltage directive 73/23/EEC:EN60950 EMC Directive 89/336/EEC: EN55022 class B EN61000-3-2 EN61000-3-3 EN50082-1 IEC801-2 IEC801-3 IEC801-4
1.3.9 Physical Specifications
Without options - Dimensions: 528 mm(W) x 404 mm(D) x 236 mm(H) - Weight: Approximately 11 kg Including CSF bin 1 - Dimensions: 528 mm(W) x 471 mm(D) x 380 mm(H) - Weight: Approximately 13 kg Including CSF bin 1 & bin 2 - Dimensions: 528 mm(W) x 600 mm(D) x 411 mm(H) - Weight: Aproximately 13.5 kg
Product Description
Hardware Specifications
18
FX-980
Revision A
International character set (13 countries) U.S.A. U.K. Italy Norway Latin America France Denmark 1 Spain 1 Denmark 2 Germany Sweden Japan Spain 2
1.4 Firmware Specifications
This section describes the firmware specifications for the FX-980.
1.4.1 Control Codes and Fonts
Control codes: Character tables:
ESC/P2 and IBM 2391 Plus Emulation
Standard version (13 character tables) Italic table PC 860 (Portuguese) PC 850 (Multilingual) PC 437 (US, Standard Europe) PC 861 (Icelandic) PC 863 (Canadian-French) PC 865 (Nordic) Abicomp BRASCII Roman 8 ISO Latin 1 PC 858 ISO 8859-15 NLSP version (37 character tables) Italic table PC437 (US, Standard Europe) PC437 Greek PC850 (Multilingual) PC852 (East Europe) PC853 (Turkish) PC855 (Cyrillic) PC857 (Turkish) PC866 (Russian) PC869(Greek) MAZOWIA (Poland) Code MJK (CSFR) ISO 8859-7 (Latin/Greek)lSO Latin 1T (Turkish) Bulgaria (Bulgarian) PC774 (LST 1283:1993) Estonia (Estonia) ISO 8859-2 PC866 LAT. (Latvian) PC866 UKR (Ukraina)PC860 (Portuguese) PC861 (Icelandic) PC865 (Nordic) PC APTEC(Arabic) PC708 (Arabic) PC720 (Arabic) PCAR864 (Arabic) PC863 (Canadian-French) Abicomp BRASCII Roman 8 ISO Latin 1 Hebrew7* Hebrew8* PC862 (Hebrew)* PC 858 lSO 8859-15
* The international and legal characters are these 12 codes: 23H, 24H, 40H, 5BH, 5CH, 5DH, 5EH, 60H, 7BH, 7CH, 7DH, 7EH
Typeface:
Bitmap fonts EPSON Draft (10 cpi, 12 cpi, 15 cpi) EPSON Roman (10 cpi, 12 cpi, 15 cpi, Proportional) EPSON Sans Serif (10 cpi, 12 cpi, 15 cpi, Proportional) Bar codes EAN-13, EAN-8, Interleaved 2 of 5, UPC-A, UPC-E, Code 39, Code 128, POSTNET
Character tables and available typefaces: The following bitmap fonts are supported by all character tables available for FX-980. EPSON Draft, EPSON Roman, EPSON Sans Serif
NOTE: ESC R command is effective on all the chracter tables.
* Not displayed in the Default setting mode.
Product Description
Firmware Specifications
19
FX-980
Revision A
1.4.2 Printable Area
Printable area for the FX-980 is the same as for the FX-2170 exept for the point below:
1.4.3 Interface Specifications
This printer provides bi-directional 8-bit parallel interface, serial interface, and Type-B interface ooptional interface card slot as standard. For information that is not covered in this section, refer to the FX-2170 Service Manual.
Cut Sheet:
Left Margine (Single/Multipart) 3 mm or more (Paper width is 216 mm) 27 mm or more (Paper width is 257 mm) 3 mm or more (Paper width is 216 mm) 27 mm or more (Paper width is 257 mm)
1.4.3.1 Parallel Interface (Forward Channel)
Right Margine (Single/Multipart)
Transmission mode: Signal level: Pin assignment:
IEEE-1284 compatibility mode TTL compatible IEEE-1284 level 1 device) The pin assignment (forward channel) is the same as for the FX-2170 except for the function of the pins below:
Pin No. 18 35
Function This line is pulled up to +5 V through 3.9 k resistor. This line is pulled up to +5 V through 1.0 k resistor.
BUSY signal is active (HIGH level) under the conditions below: In addition to the conditions given in the FX-2170 Service Manual,
If -ERROR or PE signal is active (low level, high level, respectively).
-ERROR signal is active (low level) under the conditions below: If there is a paper-out error. If there is a release lever error. If there is a cover open error.
PE signal is active (high level) under the condition below: If therer is a paper-out error.
Product Description
Firmware Specifications
20
FX-980
Revision A
1.4.3.2 Parallel Interface (Reverse Channel)
1.4.3.3 Serial Interface
Transmission mode: Synchronization: Handshaking: Signal level:
8 bit parallel, IEEE-1284 nibble mode Refer to the IEEE-1284 specification Refer to the IEEE-1284 specification IEEE-1284 level 1 device
Synchronization: Signal level:
Asychronous EIA-233D MARK (logical 1): SPAC:E (logical 0): Start bit: Data bit: Parity biy: Stop bit: -3 V to -25V +3 V to +25V
Word length:
Data transmission timing: Refer to the IEEE-1284 specification Device ID: [00H][4DH] MFG: EPSON; CMD: ESCPL2,PRPXL24,BDC; MDL: FX-980; CLS: PRINTER; DES: EPSON[SP]FX-980;
1 bit 8 bit Odd, Even, Non, Ignore 1 bit or more
Baud rate: Handshaking: Error handling:
2400, 4800, 9600, or 19200 bps DTR signal and XON/SOFF When a parity error is detected, the received byte is changed to a "*" character code. Overrun error and framing error are ignored. 25 pin subminiature D-shell connector (female)
Pin assignment:
The pin assignment (reverse channel) is the same as for the FX-2170 except for the functions of the pins below:
Function
Connector:
Pin No. 18 35
This line is pulled up to +5 V through 3.9 k resistor. This line is pulled up to +5 V through 1.0 k resistor.
Connecotr pin assgnment and signals: See Table 1-13 on the following page.
Product Description
Firmware Specifications
21
FX-980
Revision A
Table 1-13. Connector Pin Assignment and Signals for Serial I/F
Pin No. 2 20 11 4 3 7 1 other Signal Name TXD DTR REV RTS RXD Signal GND Chassis GND NC In/ Out*1 Out Out Out Out In Functional Description Transmits data. Indicates that the printer is ready to receive data or not. Connected directly to the DTR signal. Request to send. Always SPACE level when the printer is powered on. Pulled up to +12 V via 4.7 K resistor. Receives data. Signal GND. Chassis GND. Not used. Not connected.
*1: In/Out refers to the direction of signal flow from the printer's point of view/.
Product Description
Firmware Specifications
22
FX-980
Revision A
1.5 Operation Instruction
This section provides information on the FX-980 control panel buttons, LED, and operations. Since the layout and functions of the control panel are mostly common to those of FX-2170, this section only provides the information that is specific to FX-980. For other information, see FX2170 Service Manual.
Operations at power on Turning on the printer while pressing panel buttons executes the functions shown in the following table. Table 1-14. Operations at Power On
No. 1 2 Buttons Load / Eject LF / FF Pitch Load / Eject & LF / FF Font & Tear Off / Bin Tear Off / Bin & LF / FF Pause NLQ self test Draft self test Default setting (See the following table for the setting menu.) Data dump EEPROM clear Clear EEPROM for Driving Line count for ribbon change timing Bi-d adjustment Alternates copy mode on and off. When "off" is selected, beeps one time. When "on" is selected, beeps two times. The setting is saved to non-volatile memory. Not available. Function
D ra ft R o m a n S a n s s e rif
F o n t
P itc h
1 0 c 1 2 c 1 5 c 1 7 c 2 0 c P S p i p i p i p i p i
T e a r O ff/B in
T e a B in B in C a r d r O ff 1 2
P a u se
P a p e r O u t O p e ra te
3 4
M ic ro A d ju s t
3 se c .
L F /F F
L o a d /E je c t
5 6 7
: L E D O n ,
: L E D B lin k s ,
: L E D O ff
Figure 1-3. Control Panel
8 Font
9
The others
Product Description
Operation Instruction
23
FX-980
Table 1-15. Default Setting Menu
Item Character table Setting / Value*1 Standard version / NLSP version: See Section 1.3 for the character tables available. PC437 Italic U.S.A., Italic France, Italic Germany, Italic U.K., Italic Denmark 1, Italic Sweden, Italic Italy, Italic Spain 1 3 inch, 3.5 inch, 4 inch, 5.5 inch, 6 inch, 7 inch, 8 inch, 8.5 inch, 11 inch, 70/6 inch, 12 inch, 14 inch, 17 inch 3 inch, 3.5 inch, 4 inch, 5.5 inch, 6 inch, 7 inch, 8 inch, 8.5 inch, 11 inch, 70/6 inch, 12 inch, 14 inch, 17 inch Bi-d., Uni-d. ESC-P2, IBM 2380 Plus Auto, Parallel, Serial, Optional 10 sec., 30 sec. On, Off 19200BPS, 9600BPS, 4800BPS, 2400 BPS None, Odd, Even, Ignore On, Off On, Off On, Off On, Off On, Off On, Off Table2, Table 1 Pause Paper out Paper jam Head hot Cover Open Micro Adjust Tear off Bin selection Pitch selection Font selection Fatal error
Revision A
Status code indicated by the LEDs Table 1-16. Status code indicated by the LEDs
Pause On On On Blink On Blink --------Blink Paper Out --On Blink --------------Blink Tear Off / Bin ------------* * ----Blink Condensed ----------------* --Blink Font ------------------* Blink
International character set for Italic table Page length for front tractor Page length for rear tractor Print direction Software I/F mode Auto I/F wait time Input buffer Baud rate Parity Skip over perforation Auto tear off Auto line feed Auto CR (IBM 2380 Plus)*2 0 slash Buzzer IBM character table
*: Varies depending on the selection. (See Figure 1-2.)
Buzzer Paper out error: Cover Open error: Release lever operation error: Illegal panel operation: Beeper sounds (...) * Beeper sounds (...) * Beeper sounds (- - - - -)* Beeper sounds (.)*
* The description (.) and (-) shows how the beeper sounds. (.): Beeper sounds approx.100 ms and interval is approx. 100 ms. (-): Beeper sounds approx.500 ms and interval is approx. 100 ms.
*1: Setings with bold weight meas the standard factory settings. *2: This setting is effective when IBM Plus 2380 emulation is selected.
Product Description
Operation Instruction
24
FX-980
Revision A
1.5.1 Errors
Paper out: When the printer fails to feed a sheet, it goes a paper out error. Release lever error: When release lever position is wrong, it goes a release lever error. Cover Open error: When the printer's cover is opened, it goes a release lever error. Fatal error: Carriage control error and Power supply voltage error
1.5.2 Bi-directional Adjustment Function
Bi-directional adjustment can be made for the following three modes.
High-speed draft mode Draft mode NLQ mode
Product Description
Operation Instruction
25
FX-980
Revision A
1.5.3 EEPROM Initialization
Areas reset by EEPROM clear operation (described in Section 1.3.1) are as shown in the following tables: Table 1-17. Initialization Area for EEPROM (1/2)
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Item Character table selection Page length (rear tractor) Page length (front tractor) Page length (CSF Bin 1) Page length (CSF Bin 2) TOF adjustment value (rear tractor) TOF adjustment value (front tractor) TOF adjustment value (CSF Bin 1) TOF adjustment value (CSF Bin 2) TOF adjustment value (rear manual insertion) TOF adjustment value (front manual insertion) Bottom margin (rear tractor) Bottom margin (front tractor) Font selection Pitch selection Copy mode Print direction setting I/F mode selection Auto I/F wait time setting PC437 11 inch 11 inch 22 inch 22 inch 8.5 mm 8.5 mm 8.5 mm 8.5 mm 8.5 mm 8.5 mm 11 inch 11 inch Roman 10 cpi Off Bi-D Auto 10 sec Factory setting No. 20 21 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Auto line feed Auto tear off Skip over perforation High speed draft Input buffer Software 0 slash Buzzer Roll paper Auto CR (IBM) Tear-off adjustment value Manual insertion wait time Tear-off wait time Serial baud rate Serial parity Paper width measure TOF minimum value I/F timing data Paper edge length Page length (rear manual insertion) Page length (front manual insertion)
Table 1-18. Initialization Area for EERPOM (2/2)
Item Off Off Off On On ESC/P Off On Off Off 0 clear 2 or 3 sec. 3 sec. 19200 None On 4.2 mm BUSY 0 clear 22 inch 22 inch Factory setting
Product Description
Operation Instruction
26
FX-980
Revision A
1.6 Main Components
The main components for the FX-980 are as follows. They are designed for easy disassembly and repair work.
1.6.1 C276 Main Board
The C276 Main Board consists of the TMP96C141 CPU, an E05B50 gate array, a PS-RAM, a PROM, and so on.
C276 Main Board C166 PSB/PSE / C244 PSH C276 PNL Board Printer Mechanism Housing (upper and lower cases)
C N 1 1
C N 1 7 C N 3
C N 1 8
C N 1 4
C N 1 0
IC 5 IC 1
C N 4 C N 5 C N 6
C N 7 C N 8 C N 9
IC 3
Figure 1-4. C276 Main Board Assembly
1.6.2 C276 PNL Board
This board function is the control panel for the FX-980. It consists of the power switch, six buttons, and the indicator LEDs.
C N 1 6 C N 1 2 C N 1 3
IC 1 5
IC 2
C R 1
C N 1 5
L E D S W
L E D S W
L E D S W
L E D S W S W
L E D
Figure 1-5. C276 PNL Board Assembly
Product Description
Main Components
27
OPERATING PRINCIPLES
FX-980
Revision A
2.1 Printer Mechanism Operations
See the LQ-2070 Service Manual.
2.2 Power Supply Operation
See the LQ-2070 Service Manual.
Operating Principles
Printer Mechanism Operations
29
FX-980
Revision A
2.3 Control Circuit
The control circuit consists of the C276 Main Board assembly and C276 PNL Board. This section describes the major components and explains how the boards work.
Q 2 - Q 1 9 H e a d D rv . T y p e B I/F IC 5 4 M E P -R O M (M A S K R O M ) IC 3 P S R A M H e a d T e m p . D e te c to r
2.3.1 Overview of the Control Circuit Operation
The printer's control circuit includes a TMP96C141 CPU that runs at 19.66 MHz, an E05B50 gate array, a 1M bit PS-RAM (8-bit bus, less than 100ns), a 4M bit PROM (8-bit bus, less than 120ns), and other circuits. It oversees control of all the components in the printer. The following chart shows you a block diagram of the control circuit.
P a r a lle l I/F
+ 3 5 V V o lta g e D e te c to r
P a n e l L E D
IC 1 G a te A rra y E 0 5 B 5 0
IC 8 E E P R O M IC 1 5 R e s t IC
P E -R e a r D e te c to r P E -F ro n t D e te c to r P - W id th ( T o p ) D e te c to r H o m e D e te c to r R e le R e le L e v e D e te a s e 1 a s e 2 r c to r 2
IC 2 C P U T M P 9 6 C 1 4 1
P o w e r S W
P S C P W D N P / S U n it 5 V G L 3 5 V IC 9 C R D rv . S L A 7 0 2 4 M
P G 1 , P G L e v e r D e te c to r IC 1 2 P F D rv . A 2 9 1 7 S E B C S F D rv . C S F D e te c to r : D a ta B u s : A d d re s s B u s
Figure 2-1. Control Circuit Block Diagram
Operating Principles
Control Circuit
30
FX-980
The following figure shows the data flow from the host computer to the printhead. Data sent from the host computer is converted to image data and transmitted to the printhead through the gate array.
Revision A
The table below lists the each function of the main components of the C276 Main Board. Table 2-1. Functions of the Main Board
IC Location Function Receives data from the host computer and sends it to the input buffer in RAM (under interrupt processing control). Extends the input data held in the buffer to create image data. Loads this image data to the image buffer in RAM. Transfers the image data to the printhead driver circuit. Controls the functions below: · Controls output data from the internal block · Memory management · Address latch of the address/data bus from the CPU · Clock control unit · Bit manipulation · Interface control · Expanded parallel port · Printhead control · Motor control An electrically writable and erasable ROM used to hold such information as the TOF position and bidirectional adjustment value. The ROM contains the program that runs the CPU and holds the character design (also called the character generator). The RAM contains the CPU working area and the buffers. Driver circuit for the CR motor. Driver circuit for the PF motor.
S e r ia l I/F O p tio n I/F P a r a lle l I/F H o s t C o m p u te r
IC
7 T r a n c e iv e r
C P U T M P 9 6 C 1 4 1 R A M In p u t B u ffe r
CPU
IC 2
G a te A rra y E 0 5 B 5 0
P r in t d a ta c o n v e r s io n 1
L in e E d it B u ffe r P r in t d a ta c o n v e r s io n 2
D a ta la tc h a n d d a ta o u tp u t
Gate Array
Im a g e B u ffe r
IC 1
Im a g e d a ta tra n s fe r
EEPROM
P r in th e a d d r iv e c ir c u it
IC 8
ROM
IC 5
Figure 2-2. Data Flow
RAM SLA7024M A2917SEB IC 3 IC 9 IC 12
Operating Principles
Control Circuit
31
FX-980
Revision A
2.3.2 System Reset Circuit
Control circuits IC1 and IC2 are initialized when a /RESET signal (LOW level) is output from port 5 (VOUT) of IC15. IC15 monitors the +5 V line on port 2, and resets under the following conditions:
+ 5 V IC 2 G .A .
1. When the power supply is turned on, a /RESET signal is output. /RESET is canceled when the +5 V line goes up to 4.2 V, and then 100 ms passes.
2
IC 1 5 R e s e t IN O U T 2 4 G N D 5
6 1
/R S T
2. When the +5 V line goes below +4.2 V, a /RESET signal is output. /RESET is canceled when the +5 V line goes back up to 4.2 V and then 100 ms passes.
IC 1 C P U 2 3
/R S T
Figure 2-3. Reset Circuit
(v ) 5 4 3 2 1 P o w e r O n V O U T (R E S E T ) V C C ( + 5 V lin e ) R E S E T R E S E T 1 0 0 m s 1 0 0 m s
Figure 2-4. Reset Signal Output Timing
Operating Principles
Control Circuit
32
FX-980
Revision A
2.3.3 Printhead Driver Circuit
The standard voltage for the A/D converter is made in ZD1 and input to CPU port 78. Based on this standard voltage, the A/D converter in the CPU operates. Port 74 monitors the +35 V line between R70 and R71 to determine the printhead driver pulse width. Using the monitored voltage, the CPU converts the voltage to a digital value and decides the printhead driver pulse width, and then transports the data to the gate array via CPU ports 15 and 19. Based on the monitored voltage, the CPU decides the printing interval. Port 73 monitors the printhead temperature to protect the printhead. If the temperature exceeds 107° C (225° F), printing is stopped.
P r in th e a d
+ 3 5 V C 2 + + 3 5 V H T M P
2.3.4 CR Motor Driver Circuit
The CR motor driver circuit is shown below.
IC 2 C P U
P G 0 P G 0 P G 0 P G 0 1 2 3 6 0
C N 1 1
6 8 6 7 5
1 7 1 6 5 6 /IN /IN /IN /IN B A -A -B /A /B B A 1 8 1 1 4 1 3 8 1 2
IC 9 S L A 2 0 2 4 M
Figure 2-6. CR Motor Driver Circuit
R 7 2
P r in th e a d D r iv e T r a n s is to r
Q 2 - Q 1 9
P r in th e a d
D r iv e
S ig n a l
The carriage motor driver circuit controls the CR motor, using an open-loop, constant drive arrangement. 2-2 and 1-2 phases excite the motor. One step of the 2-2 phase switching system corresponds to 2 steps of the 1-2 phase switching system. Ports 1, 8, 11, and 18 of the SLA7024M are used to change the excitation phase, depending on the selected print mode. Table 2-2 on the following page describes the motor driver modes.
R 7 0
G a te A rra y
A d d re s s D a ta L in e
3 1 3 2 1 9 1 5
C P U
7 9 7 8
7 4 7 3
+ 3 5 V R 7 1
Z D 1 + 3 5 V C 4 2
The SLA7024M (IC9) CR motor driver circuit detects and regulates the amount of current flowing in the carriage motor coil. The current flowing through the coil varies, depending on the speed of the CR motor. The CPU sets the amount of current via the Address / Data line. Signals are sent via ports 3 (RFA) and 14 (RFB) to the SLA7024M. The SLA7024M sets the coil current, depending on the CR speed.
Figure 2-5. Printhead Drive Circuit
Operating Principles
Control Circuit
33
FX-980
Revision A
Table 2-2. CR Motor Driver Modes
Speed Mode 8/3 5/2 44/19 2 16/9 33/19 3/2 4/3 Print Speed (CPS) 507 475 440 380 338 330 285 253 Drive Frequency (PPS) 6080 5700 5280 4560 4053 3960 3420 6080 Excitation Phase 2-2 2-2 2-2 2-2 2-2 2-2 2-2 1-2 HN HN (12 cpi) HC-1 HC-1 (12cpi), DN, HN (15 cpi) HC-2, H cold mode, HC-2 (12cpi) DC-1, HC-1 (15 cpi), HN (17 cpi) HP, H (12 cpi) cold mode, DC-2, HC-2, (15 cpi), HC-1 (17 cpi) HP (12 cpi), D cold mode, H (15 cpi) cold mode, HN (20 cpi) HC-1P, HC-2P, HC-1P (12 cpi), HC-2P (12 cpi), DP, LN, HP (15 cpi), HC-2 (17 cpi), H (17 cpi) cold mode, HC-1 (20 cpi), HC-2 (20 cpi) LC-1, HC-1P (15 cpi), HP (17 cpi) LC-2, LC-2P (15 cpi) L cold mode, HC-1P (17 cpi), LN (15 cpi) LP, HC-2 (17 cpi), LC-1 (15 cpi), LC-2 (15 cpi), LN (17 cpi), LN (20 cpi) LC-1 (17 cpi), LC-1 (20 cpi) LC-2 (17 cpi), LC-2 (20 cpi) LC1P, LC2P LC1PP (17 cpi), LC2PP (17 cpi) Application (See the Remarks.) Remarks H: High speed draft D: Draft L: LQ B: Bit image R: Raster graphics N: Normal C-1: Copy 1 C-2: Copy 2 P: Power down CP: Copy Power down
1
190
4560
1-2
33/38 3/4 2/3 1/2 33/76 57/152 33/152 77/456
165 143 127 95 82 71 41
3960 3420 3040 2280 1980 1710 990 770
1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2
Operating Principles
Control Circuit
34
FX-980
Revision A
2.3.5 PF Motor Driver Circuit
The figure below shows the PF motor driver circuit.
2.3.6 EEPROM Control Circuit
The EEPROM is nonvolatile memory that stores information even if the printer power is off. The figure below shows the EEPROM control circuit.
IC 2 C P U 9 P P 6 1 1 0 P P 6 0 P 2 7 6 1 2 IC 1 G .A . P F I1 6 8 P F I2 6 7 P G 1 0 5 P G 1 1 6 A 6 3 C N 1 0 1 3 2 4 4 3 P H 1 2 6 P H 2 0 1 0 1
IC 2
I1 1 2 3 I1 2 4 I2 I2 IC 1 1 7 4 L S 3 2 /A B /B
1 8 2 1
C P U
P 7 0 P 7 1 P 7 2 P 7 3
9 1 1 0 1 1
2 3 4
IC 1 2 A 2 9 1 7 S E B
1 2
C S S K D I D O
IC 8 E E P R O M
Figure 2-8. EEPROM Control Circuit Figure 2-7. PF Motor Driver Circuit IC 12 driver receives phase data from the CPU and gate array. The PF driver current is controlled by the 74LS32 using port 61 (P27) of IC2. These controlled drive currents are output to ports 2 (I10), 1 (I11), 23 (I20), and 24 (I21) of the A2917SEB. The EEPROM is controlled by CPU ports 9 (P70), 10 (P71), 11 (P72), and 12 (P73). Port 11 is the data output line used to save the information to the EEPROM, and port 12 is the data input line used to read the saved data from the EEPROM. Port 70 is the chip select line, and port 71 is the clock timing line. When the PWDN signal (power down) is detected on port 20 (INTO), the CPU writes the necessary data to the EEPROM before the +5 V line drops to 4.75 V.
Operating Principles
Control Circuit
35
FX-980
Revision A
2.3.7 Sensor Circuit
The CPU detects conditions of the following sensors: home position (HP) sensor, release sensors 1 and 2, platen gap (PG) sensors 1 and 2, rear and front paper end (PE) sensors, paper width (PW) sensor, and cover open sensor. Two types of sensors are used in this printer. Release sensors 1 and 2, the PG sensors 1 and 2, the front PE sensor, and the cover open sensor are momentary switches. The other type of sensor is used for the HP sensor, rear PE sensor, and PW sensor, which are photo diode switches. The HP sensor detects CR home position when the photo diode rays are cut off by the printhead.
+ 5 V
The rear PE sensor detects that paper has been loaded when the photo diode rays are cut off by the sensor plate, which is included in the rear PE sensor. The PW sensor, used for paper width measurement and paper loading positioning, detects the paper edge by comparing the measured voltage with standard voltage, which was measured during the power on sequence. Additionally, as mentioned on the page 2-24 (LQ-2070 Service Manual), the +35 V line and head temperatures are monitored to set the pulse length of the head driver signal.
+ 5 V
R e a r P E S e n s o r
+ 5 V
7 0
7 6 P 4 0 P 5 3
+ 5 V
H P S e n s o r R e le a S e n s o R e le a S e n s o P G P G s e r 2 s e r 1
F ro n t P E S e n s o r
P 3 2 6 8 P 3 6
6 4 6 5 6 6 6 7 1 8
C P U
P 3 3 P 3 4
S e n s o r 1 S e n s o r 2
P W
S e n s o r
7 5
A N 2
P 3 5 IN T 7
+ 5 V
C o v e r O p e n S e n s o r
+ 5 V
+ 5 V
+ 5 V
+ 5 V
+ 5 V
+ 5 V
+ 5 V
Figure 2-9. Sensor Circuit
Operating Principles
Control Circuit
36
DISASSEMBLY AND ASSEMBLY
FX-980
Revision A
3.1 Overview
This chapter provides disassembling / assembling procedures for the FX-980. Since the most procedures are common to the FX-2170, this chapter only includes information that is specific to the FX-980.
3.2 Printer Disassembly and Assembly
The assembly procedures to be explained for the FX-980 are as listed below. (Note the heading numbers and figure numbers used in the FX2170 Service Manual are applied to this chapter.)
Section 3.2.10
Removing the Printer Mechanism
Section 3.2.10.3 Removing the Right Frame Assembly Section 3.2.10.5 Removing the Left Frame Assembly Section 3.2.11 Removing the C276 Main Board Assembly
For other disassembly procedures, see the FX-2170 Service Manual.
Disassembly and Assembly
Overview
38
FX-980
Revision A
3.2.10 Removing the Printer Mechanism
Printer Mechanism Mounting Screws
Changed point: The printer mechanism and the connector cover are connected with a screw, so the operation for removing the screw (step 3) is added.
1. Remove the rear / front edge guide assembly, front cover, paper eject assembly, rear / front tractor units, and printer cover (see Section 3.2.1). 2. Remove the panel board assembly (see Section 3.2.2) and upper housing assembly (see Section 3.2.7). 3. Remove the screw securing the upper connector cover located above the option I/F slot to the printer mechanism. 4. Remove 4 printer mechanism mounting screws. 5. Disconnect the following connectors on the C276 Main Board assembly: CN4 (3-pin, white) CN6 (2-pin, white) CN8 (18-pin, white FFC) CN10 (4-pin, blue) CN12 (2-pin, blue) CN16 (2-pin, yellow) CN5 (3-pin, black) CN7 (4-pin white FFC) CN9 (16-pin, white FFC) CN11 (5-pin, blue) CN13 (4-pin, black) Figure 3-17. Removing the Printer Mechanism
C H E C K P O IN T
NOTE: Disconnect the cables for CN10 and CN11 after releasing the connector lock by pulling up.
6. Remove the printer mechanism.
A D J U S T M E N T R E Q U IR E D
Perform the Bi-directional adjustment and TPE reset. Refer to Chapter 4.
Notice the connection for cables CN10 and CN11 and align the red colored cable to the pin 1 of the connector. The tightening torque for the printer mechanism mounting screw = 0.98 Nm - 1.18 Nm (10 - 12 Kg cm)
Disassembly and Assembly
Printer Disassembly and Assembly
39
FX-980
Revision A
3.2.10.3 Removing the Right Frame Assembly
Changed points:
Step 4 for removing the release sensor 1 is added. (See Figure 3-21 for its location.) In the FX-2170, the release sensor 1 is on the left frame. The Hexagon nut standard M7 (step 5) is used instead of the FX-2170's standard M4.
1. Remove the rear / front edge guide assembly, front cover, paper eject assembly, rear / front tractor unit, and the printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove the printer mechanism (see Section 3.2.10 in this manual), CR motor assembly (see Section 3.2.9), PF motor (see Section 3.2.10.1), and PG sensor assembly (see Section 3.2.10.2). 4. Remove the release lever sensor 1 from the inner side of the right sub frame. 5. Remove the hexagon nut (standard M7) securing the gap adjustment lever. Then, remove the gap adjust lever from the right frame assembly. 6. Remove 2 CBS screws (3 × 6, F/Zn) securing the platen cover. 7. Remove 3 CBS screws (3 × 6, F/Zn) securing the right frame assembly at the positions illustrated. 8. Remove the right frame assembly.
R e le a s e L e v e r S e n s o r 1 C B S S c r e w ( 3 x 6 ) S e c u r in g th e R ig h t F r a m e A s s e m b ly
Figure 3-21. Removing the Right Frame Assembly
A D J U S T M E N T R E Q U IR E D
Perform the platen gap adjustment and the Bidirectional adjustment. (Refer to Chapter 4.)
Disassembly and Assembly
Printer Disassembly and Assembly
40
FX-980
Revision A
3.2.10.5 Removing the Left Frame Assembly
P la te n C o v e r
Changed points:
C .B .S S c re w (3 X 6 F /Z n ) H e x a g o n N u t (S ta n d a rd , M 7 )
Step 6 There are only two connectors to be disconnected instead of FX-2170's three, because the FX-980 has only one release lever sensor on the left frame. The Hexagon nut standard M7 is used instead of the FX-2170's standard M4.
1. Remove the rear / front edge guide assembly, front cover, paper eject assembly, rear / front tractor unit, and the printer cover. 2. Remove the panel board assembly (see Section 3.2.2), upper housing assemblies (see Section 3.2.7), and then remove the printer mechanism (see Section 3.2.10 in this manual). 3. Remove 2 CBS screws (3 × 6, F/Zn) securing the platen cover. 4. Remove the hexagon nut (standard M7) securing the front CR guide and left frame. 5. Remove 4 CBS screws (3 × 6, F/Zn) securing the left frame assembly. 6. Disconnect the connector cable (blue) from the release lever sensor, and then disconnect the connector cable from the HP sensor. 7. Remove the left frame assembly.
A D J U S T M E N T R E Q U IR E D
C B S
S c r e w s ( 3 X 6 F /Z n ) S e c u r in g th e L e ft F r a m e A s s e m b ly
Figure 3-26. Removing the Left Frame Assembly
P la te n
L e ft F r a m e A s s e m b ly
R e le a s e L e v e r S e n s o r 2 ( B lu e c o n n e c to r )
Figure 3-27. Release Lever Sensor
Adjust the platen gap and Bi-D adjustment. (Refer to Chapter 5.)
C H E C K P O IN T
The tightening torque for the CBS screw (3 × 6, F/Zn) = 0.78 to 0.98 Nm (8 - 10 Kgf - cm) The tightening torque for the hexagon nut (standard M7) = 1.18 - 1.37Nm (12 - 14 Kgf - cm)
Disassembly and Assembly
Printer Disassembly and Assembly
41
FX-980
Revision A
5. Remove the 2 screws securing the I/F cover and remove the I/F cover. 6. Remove the 5 CBB screws (3 x 12, F/Zn) and 1 CBC lamitite screw (3 x 8, F/Zn) securing the C276 Main Board assembly to the lower housing assembly. 7. Remove the C276 Main Board.
3.2.11 Removing the C276 Main Board Assembly
Changed points:
The C276 Main Board in the FX-980 can be removed without removing the I/F cage, so the operation for removing the cage is eliminated. Step 5 (I/F cover removal) is added. (This operation is not new but omitted in the FX-2170 Service Manual.)
1. Remove the rear / front edge guide assembly, front cover, paper eject assembly, rear / front tractor unit, and printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2). 3. Disconnect the following connectors from the C276 Main Board assembly. CN3 (10-pin, white) CN5 (3-pin, black) CN7 (4-pin white FFC) CN9 (16-pin, white FFC) CN11 (5-pin, blue) CN13 (4-pin, black) CN16 (2-pin, yellow) CN4 (3-pin, white) CN6 (2-pin, white) CN8 (18-pin, white FFC) CN10 (4-pin, blue) CN12 (2-pin, blue) CN15 (22-pin, FFC)
C 2 7 6 M A IN B o a r d A s s e m b ly
L a m itite S c r e w I/F C o v e r
NOTE: Disconnect the cables for CN10 and CN11 after releasing the connector lock.
Figure 3-37. Removing the C276 Main Board Assembly
NOTE: Disconnect the cable for CN3 by pushing down the connector lock.
4. Remove the 3 CBS screws (3 x 12, F/Zn) securing the upper connector cover.
A D J U S T M E N T R E Q U IR E D
If you replace the main board, perform the Bidirectional adjustment and run the default setting program.
Disassembly and Assembly
Printer Disassembly and Assembly
42
FX-980
Revision A
C H E C K P O IN T
Notice the location of the CBC lamitite screw (3 x 8, F/Zn). Refer to Figure 3-37 on the previous page. Lock CN10 and CN11 by pushing down each connector's lock after inserting the connector cable. The tightening torque for the CBB (3 x 12, F/Zn) screw and CBB (3 x 8, F/Zn) = 0.78 - 0.98 Nm (8 - 10 Kgf - cm)
Disassembly and Assembly
Printer Disassembly and Assembly
43
ADJUSTMENT
FX-980
Revision A NOTE: If you omit this operation, the printer will perform Uni-D print instead of Bi-D.
4.1 Overview
The adjustment items required for the FX-980 are the same as for the FX-2170. Therefore, see Table 4-1 in the FX-2170 Service Manual and perform any necessary adjustment after disassembling/assembling the printer.
C A U T IO N
5. Double-click "LQSERIES.EXE". The program starts up and the screen below appears.
Though the conditions for each adjustment are the same as for the FX-2170, the adjustment program used for the FX-980 is different. Therefore, observe the instructions given in the following sections.
< * > < * > < * > E P S O N S ID M
P r in te r S e r v ic e P r o g r a m
b o o t p ro c e s s < *> < *> < *>
P le a s e s e le c t th e m o d e l n a m e . L Q -2 L Q -2 L Q -2 F X -9 1 8 0 5 8 0 H 0 8 0 8 0
4.1.1 Pre-operation for the Adjustment Program
1. Load continuous paper. (80-column paper should be used to avoid printing on the platen.)
C A U T IO N
Do not use cut sheet for the Bi-D adjustment. Since the Bi-D adjustment has to be performed with the top and bottom edges of the sheet firmly set in the paper path, use of cut sheet will not provide accurate adjustment. Use single continuous paper. Adjustment program for serial dot matrix printer does not run without any paper loaded. So, be sure to turn the printer on first and then load paper.
E S C :Q u it
U P /D o w n :S e le c t
E N T E R :D e te r m in e
Figure 4-1. LQSERIES.EXE Initial Screen 6. Move the cursor to "FX-980" and press the Enter key. 7. The following screen appears.
2. Set the release lever to the continuous paper position. 3. Connect the printer and the PC and turn the printer on. 4. Press the Load/Eject button to send the paper to the stand-by position. Then press the LF/FF button more than 10 times until the leading edge of the paper is completely out of the printer.
Adjustment
Overview
45
FX-980
Revision A
< * > < * > < * > E P S O N S ID M
P r in te r S e r v ic e P r o g r a m
b o o t p ro c e s s < *> < *> < *>
< * > < * > < * > E P S O N S ID M
P r in te r S e r v ic e P r o g r a m
b o o t p ro c e s s < *> < *> < *>
S e le c t th e d e s tin a tio n . E A I E A I(L a tin ) E A L E S P E H K E T T
E S C :Q u it
E C C P h ilip E S P (T E U L (M E U L E U L S
E U L (N o r d ic ) p in e E F S h a i) E IB id d le E a s t) E IS E D G (N L S P ) td . E M O
E N T E R :D e te r m in e
D o y o u s ta r t th e S e r v ic e P r o g r a m ? P e r fo r m (B o o t th is P R O G R A M ) N o (R e -s e le c t m o d e l n a m e ) G o t (C h e c k th is m o d e l n a m e )
U P /D o w n :S e le c t
E S C : Q u it
U P /D o w n : S e le c t
E N T E R : D e te r m in e
Figure 4-2. Destination Selection Screen 8. Check the printer to be adjusted for the destination and press the Enter key.
Figure 4-3. Main Menu Selection Screen 10. Select "Perform". The following screen appears.
C A U T IO N C A U T IO N
Be sure to select a proper destination. If you select a wrong destination, the printer may not print desirable characters.
Select "No" if you have input a wrong model name in the screen shown in Figure 4-1. If you select "Got", the printer flashes the model name stored in the RAM to the EEPROM once and reads it again.
S E R V IC E P R O G R A M V e r s io n 1 .1 **************
9. The following screen appears.
************** F X -9 8 0
< > < > S E R V IC E IT E M S < > < > 1 . B 2 . P 3 . S 4 . T
E S C :Q u it
i-D A r in t D e t o r P E R
d ju a ta re p e s e t
s tm e n t o n E E P R O M ly S ta r tin g d a te
E N T E R :D e te r m in e
U P /D o w n :S e le c t
Figure 4-4. Main Menu Screen
Adjustment
Overview
46
FX-980
Revision A
4.1.2 Bi-D Adjustment
This adjustment is made after the main board or the CR motor has been replaced. The purpose of this adjustment is to electrically correct the head wire's point of impact during Bi-D printing. The adjusted value is stored in the specific address in the EEPROM. Once the value is stored, it will not be erased if the printer is turned off or the EEPROM is reset.
C A U T IO N C A U T IO N
If the printer is in the emulation mode, characters output for the Bi-D adjustment will be garbled. If so, turn ESC/P2 on using the EEPROM Initialization mode.
The value "0" shown in the screen shown in Figure 4-5 is the initial value used in the program, which varies from the one stored in the EEPROM. However, if the main board has been replaced, the value in the EEPROM is replaced with "0"as the initial value. The printing pattern below is a sample for the high speed mode. Be sure to perform the adjustment in draft copy mode and LQ mode as well.
B i- D d a ta = -1
H ig h s p e e d d r a ft m o d e
1. Perform the pre-operation. (See Section 4.1.1.)
H ig h s p e e d d r a ft m o d e B i- D d a ta = -0
2. Select "1. Bi-D Adjustment". The following screen appears.
H ig h s p e e d d r a ft m o d e B i- D d a ta = 1
************** F X -9 8 0
S E R V IC E P R O G R A M
V e r s io n 1 .1
**************
< B i-D a d ju s tm e n t> H ig h S p e e d D r a ft M o d e = = D ra ft M o d e = N L Q M o d e 0 0
W r ite to E E P R O M [E N T E R ] P r e v io u s [E S C ] P r in t o u t S e le c t s p e e d [S P A C E ] [U p /D o w n ] A d ju s t v a lu e [L e ft/R ig h t]
0
Figure 4-6. Bi-D Pattern Sample 4. Output the patterns for the Draft Mode and the NLQ Mode, the rest of the three modes in the screen (Figure 4-5). Then check that the vertical lines in the middle row for each mode are aligned. (If no adjustment is needed, you can turn the printer off, not continuing to the next step.) 5. Examine the patterns for the three modes output in the previous steps, and correct the value in the screen shown in Figure 4-5 until the vertical lines for the center value (Data = 0 in Figure 4-6) are aligned.
Figure 4-5. Initial Menu of the Bi-D Adjustment 3. Press the Space key to check the current Bi-D setting condition for the High speed draft mode. The printer prints the following pattern.
Adjustment
Overview
47
FX-980
6. When this adjustment is completed, if you need to perform another adjustment using this program, you can continue without turning off the printer.
Revision A
4.1.3 TPE Level Reset
Make this adjustment when the main board or Top PE Sensor has been replaced. Generally, light level emitted from the photo diode in a photo sensor lowers with age. For this reason, the printer renews the current paper remaining level by detecting the black level of the platen each time the printer is turned on or paper is fed. When the TPE level is reset, FF is written and it approaches 00 as the time goes by. If this operation is not performed, paper out condition may be detected despite paper is set. 1. Perform the pre-operation. (See Section 4.1.1.) 2. Select "TPE Reset" in the main menu screen (Figure 4-4) and press the Enter key. The screen below appears.
************** F X -9 8 0
S E R V IC E P R O G R A M
V e r s io n 1 .1
**************
< R e s e t T o p p a p e r a n d d e te c tio n le v e l> D o y o u w a n t to r e s e t T o p p a p e r -e n d d e te c tio n le v e l? Y e s N o
E S C :P r e v io u s U P /D o w n :S e le c t E N T E R :D e te r m in e
Figure 4-7. Screen - TPE Reset 3. Select "Yes" and press the Enter key. FF is written in EEPROM when the printer power is turned off.
Adjustment
Overview
48
FX-980
Revision A
4.1.4 Writing the User-characteristic Data
Use this function to check the specific records of the printer used by your customer. Also, you can renew the starting date using this program. Since there is no standardized service operation using this function, you can use it whenever necessary. 1. Perform the pre-operation. (See Section 4.1.1.) 2. Select "Set or Reply Starting Date" and press the Enter key. The screen below appears.
[To check the current status]
3. Select "Characteristic Status Code" and press the Enter key. The following screen appears.
C h a r a c te r is tic s ta tu s c o d e
1 . S 2 . T 3 . T 4 . T ta r tin o ta l p o ta l p o ta l p r ib g d r in o w r in b o e -----> g lin e o n h o g lin e n c h a n g e a t tin e r tin 9 9 c o u u r c o u tim / 1 n t --> n t in 1 1 (O d d c o u n te r ) ---> 3 5 7 7 lin e fo r g (T r ip c o u n te r ) ---> 3 5 7 7 lin e s
C A U T IO N
When using this function, the printer must be in the normally operative condition. Make sure the printer is free from any error conditions such as paper out, fatal error, and so on. Otherwise, the function is not effective.
E S C :P r e v io u s
************** F X -9 8 0 S E R V IC E P R O G R A M V e r s io n 1 .1 **************
< * > < * > < * > S e t o r R e p ly S ta r tin g d a te < * > < * > < * > C h a r a c te r is tic s ta tu s c o d e S e t s ta r tin g y e a r / m o n th / d a te
Figure 4-9. Screen - Characteristic Status Code
[To renew the Starting Year / Month / Date]
4. Select "Set Starting year / month / date" and press the Enter key. The following screen appears.
E S C :Q u it
U P /D o w n :S e le c t
E N T E R :D e te r m in e
Figure 4-8. Screen - Set or Reply Starting Date
Adjustment
Overview
49
FX-980
Revision A
S e ttin g S ta r tin g Y e a r /M o n th /D a y
In p u t fo r m a t: 1 9 9 9 /1 /1 ---> 9 9 0 1 0 1
P le a s e in p u t 6 d ig its > >
Figure 4-10. Screen - Setting Starting Year / Month / Date 5. Input a 6-digit data. Be sure to input it correctly since this program does not perform comparison check with the system timer. If you input a wrong data, start from the beginning.
Adjustment
Overview
50
TROUBLESHOOTING
FX-980
Revision A
5.1 Overview
This chapter contains information necessary for troubleshooting. Like other chapters, this chapter does not include the information common to the FX-2170.
5.2.2 Sensors
The information for this section is the same as for the FX-2170 except for the points below: Table 5-1. Sensor Tests Points
Sensor CN Number CN12 (Release sensor 1) CN16 (Release sensor 2) CN15 (Case open sensor) Others Test Pin Number 1: Release1 2: GND Test Method (Set the Meter to the DC Voltage.) Place one lead on pin 1 and the other lead on pin 2, and check the voltage while toggling the sensor lever. Place one lead on pin 1 and the other lead on pin 2, and check the voltage while toggling the sensor lever. Place one lead on pin 1 and the other lead on pin 15, and check the voltage while toggling the sensor lever. Meter Reading Open: +5 Short: 0V
5.2 Troubleshooting Information
This section gives you troubleshooting information to let you test points for replaceable units.
5.2.1 Printhead
See the FX-2170 Service Manual.
1: Release 2 2: GND
Open: +5 Short: 0V
1: COPEN 15: GND
Open: +5 (Case Open) Short: 0V (Case closed)
See the FX-2170 Service Manual.
5.2.3 Motors
See the FX-2170 Service Manual.
Troubleshooting
Overview
52
FX-980
Revision A
5.2.4 The Error codes with Indicators and Buzzer