Epson SQ-870- User Manual

Epson SQ-870

Epson SQ-870– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – PRECAUTIONS; DANGER
  • Page 4 – PREFACE
  • Page 5 – REVISION SHEET; DATE ISSUED; st issue
  • Page 6 – TABLE OF CONTENTS
  • Page 7 – OPERATING
  • Page 8 – LIST OF FIGURES; Exterior View of the; LIST OF TABLES; Settings for DIP Switch; I i i
  • Page 11 – H a r d w a r e S p e c i f i c a t i o n s
  • Page 14 – Printable area; more; Figure 1-6. Printable Area for Continuous Papers
  • Page 16 – AC
  • Page 17 – Specifications
  • Page 22 – INTERFACE OVERVIEW; Parallel Interface; Table 1-11. Connector Pin Assignments and Signal Functions
  • Page 24 – CONTROL PANEL; BUTTONS
  • Page 26 – DIP SWITCHES AND JUMPER SETTING
  • Page 28 – OPERATING INSTRUCTIONS
  • Page 30 – or
  • Page 31 – Figure 1-11 Lever Positions
  • Page 34 – MAIN Board (Main Control Circuit
  • Page 36 – was; developed specifically for
  • Page 38 – Block Diagram of Printer Mechanism -Model
  • Page 40 – OPERATING PRINCIPLES OF PRINTER MECHANISM; 0/4760 is a serial type printer mechanism with a 48-nozzle
  • Page 41 – Mechanism
  • Page 44 – Adjustment of Platen Gap >
  • Page 48 – Tractor Feed
  • Page 50 – Front Entrance
  • Page 52 – edge holder plate is enclosed behind the eject guide plate.
  • Page 54 – C c w
  • Page 55 – Pumping
  • Page 58 – the cleaner lever is reset.; The cleaner lever is also used as a carriage lock lever. When the
  • Page 60 – Figure 2-34. Structure of Wasted Ink Drain Tank
  • Page 66 – OPERATING PRINCIPLES OF POWER SUPPLY CIRCUITRY; Operating Principles of Power Supply Circuitry
  • Page 68 – OPERATING PRINCIPLES OF CONTROL CIRCUITRY; MAIN; Figure 2-38. Control Circuitry Block Diagram
  • Page 71 – CPU
  • Page 73 – Drive Circuit
  • Page 75 – Block Diagram of Pump Motor Drive Circuit
  • Page 77 – Control Circuit
  • Page 78 – . 2 . 3 W a s t e d I n k D r a i n T a n k R e p l a c e m e n t
  • Page 79 – How to Make; and CLEANER
  • Page 80 – Abbreviations List of
  • Page 81 – . 1 O V E R V I E W; Precautions for Disassembling the Printer; W A R N I N G; ‘ANGER
  • Page 84 – to collect the waste ink that is used during the whole printer life.; However, it must be replaced in the
  • Page 85 – Figure 3-3. Setting Shockproof Attachments
  • Page 90 – DISASSEMBLY AND ASSEMBLY; Be sure to read section
  • Page 92 – Replacement
  • Page 93 – I I I I
  • Page 94 – REQUIRED ADJUSTMENT ITEMS; If you have disassembled/assembled the; ASSEMBLY POINTS
  • Page 95 – Separate the pump tube from the wasted ink drain tank.
  • Page 96 – C A U T I O N; PE sensor
  • Page 99 – INK CARTRIDGE Removal
  • Page 100 – Figure 3-20. Disassembly of PAPER HOLDING
  • Page 106 – be seen at the end; R E Q U I R E D A D J U S T M E N T I T E M S
  • Page 109 – W h e n a t t a c h i n g t h e S E N S O R S U B; Before setting the platen, set up; the; other parts; as shown in the figure below.
  • Page 111 – X2 and
  • Page 114 – When attaching the release lever to the FRAME; sure that all the teeth of the; gap gear are fully engaged with the teeth of the release lever.; Gear
  • Page 115 – DRIVE, and remove the; Figure 3-38. Disassembly of Tractor Assembly; When attaching the tractor to the SHAFT,
  • Page 117 – PLATEN GAP PARALLELISM ADJUSTMENT; the dial gauge base with a hexagonal screw.; F i g u r e 4 - 1 . S e t t i n g o f D i a l G a u g e
  • Page 118 – PLATEN GAP ADJUSTMENT
  • Page 119 – FLANGE NUT
  • Page 120 – TIMING BELT TENSION ADJUSTMENT
  • Page 121 – DRIVE VOLTAGE ADJUSTMENT
  • Page 122 – Table 4-1. Head Drive Voltage and Jumper Setting; Head Drive Voltage
  • Page 124 – Slant Adjustment; CAUTION
  • Page 125 – P r i n t P o s i t i o n A d j u s t m e n t
  • Page 126 – ADJUSTMENT ON MAIN BOARD
  • Page 130 – REPAIR BY UNIT REPLACEMENT
  • Page 131 – power
  • Page 135 – I ID
  • Page 138 – REPAIR OF POWER SUPPLY BOARD; T a b l e 5 - 5 . R e p a i r o f P o w e r S u p p l y B o a r d
  • Page 140 – REPAIR OF MAIN BOARD; T a b l e 5 - 6 . R e p a i r o f M a i n B o a r d
  • Page 150 – T a b l e 6 - 2 . L u b r i c a t i o n P o i n t s
  • Page 155 – A P P E N D I X; C O N N E C T O R; M A I N B o a r d C o m p o n e n t L a y o u t ( B a c k S i d e ) .
  • Page 156 – Table
  • Page 157 – A.1 CONNECTOR SUMMARY
  • Page 160 – Signal
  • Page 162 – F i g u r e A - 4 . C 0 7 6 P S B B o a r d C i r c u i t
  • Page 164 – F i g u r e; D i a g r a m
  • Page 165 – Figure A-7. C076 PSE Boerd Circuit Diagram
  • Page 166 – F i g u r e A - 8 . C o n t r o l P a n e l B o a r d C i r c u i t D i a g r a m
  • Page 167 – A.3 CIRCUIT BOARD COMPONENT LAYOUT
  • Page 169 – II II; II; Figure A-1 1. C076 PSB Board Component Layout
  • Page 170 – II I; I I; F i g u r e A - 1 2 . C 0 7 6 P S E B o a r d C o m p o n e n t L a y o u t
  • Page 173 – A.5 CASE OUTLINE DRAWING; Case Outline Drawing
  • Page 174 – F i g u r e A - 2 0 . S Q - 1 1 7 0 C a s e O u t l i n e D r a w i n g
  • Page 175 – EPSON
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EPSON TERMINAL PRINTER

SQ - 870/1170

4 0 0 1 2 2 5

REV.-A

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Summary

Page 3 - PRECAUTIONS; DANGER

REV.-A 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 prec...

Page 4 - PREFACE

PREFACE T h i s m a n u a l d e s c r i b e s f u n c t i o n s , t h e o r y o f e l e c t r i c a l a n d m e c h a n i c a l operations, maintenance, and repair of the 170. T h e i n s t r u c t i o n s a n d p r o c e d u r e s i n c l u d e d h e r e i n a r e i n t e n d e d f o r t h e e x p ...

Page 5 - REVISION SHEET; DATE ISSUED; st issue

REVISION SHEET DATE ISSUED C H A N G E D O C U M E N T A F e b . 2 1 , 1 9 9 2 1st issue ,

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