Epson LQ-2070 Service Manual

About Epson LQ-2070 Service Manual

Epson LQ-2070 Service Manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of the FX-2070. The instructions and procedures included herein are intended for the experienced repair technician, and attention should be given to the precautions on the preceding page. The chapters are organized as follows:

Epson LQ-2070 TABLE OF CONTENTS

CHAPTER 1. GENERAL DESCRIPTION
CHAPTER 2. OPERATION PRINCIPLES
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
CHAPTER 4. ADJUSTMENTS
CHAPTER 5. TROUBLESHOOTING
CHAPTER 6. MAINTENANCE
APPENDIX

Epson LQ-2070 Specifications

These specifications provide statistical information for the LQ-2070 serial impact dot matrix printer.

Epson LQ-2070 Features

The LQ-2070 is a 24pin serial impact dot-matrix printer suitable for the VAR (value addedreseller) market. The major features of this printer are:

  • Print speed
    • High speed draft 300 characters per second (cps)
    • Draft 275 CPS
    • LQ 92 cps at 10 characters per inch (cPi)
  • Feeding method
    • Friction feed (front, rear)
    • Push tractor feed (front, rear)
    • Push and pull tractor feed (front, rear)
    • Pull tractor feed (front, rear, bottom)
  • Feeder
    • Front push tractor(option), rear push &actor, CSF bin 1 / bin 2 (option)
    • Pull tractor (option), roll paper holder (option)
  • Paper/media
    • Single sheet, continuous paper, multipart paper, envelopes, card labels, roll paper
  • Fonts
    • 9 LQ and 1 draft bitmap typefaces, 4 Sarable typefaces,
    • 8 barcode fonts
  • Character tables
    • Standard version 11 tables
    • NLSP version 20 tables
  • Input buffer 64KB
  • Acoustic noise  51 dB (A), 1S0 7779 pattern
  • Reliability
    • Total print volume 6 million lines, except printhead
    • MTBF 6000 power on hours (POH)
    • Printhead life 200 million strokes/wire
    • Ribbon life 8 million characters
  • Interfaces Bidirectional parallel interface (IEEE-P1284 nibble mode supported) Type B I/F Level 2 (option)
  • Control codes ESC/P2 and IBM 2390/2391 plus emulation
  • Copy capability 1 original+ 3 copies
  • Control panel functions Font, Pause, Condensed Pause, Tear off, Bin, LF/FF, Load/Eject, Micro Adjust, Default Setting

Refer to Figure 1-1 on the next page for an exterior view of the LQ-2070.

Epson LQ-2070 Hardware Specifications

This section provides detailed hardware specifications for the LQ-2070.

Printing Method

  • Printig method Impact dot matrix
  • Color Black
  • Number of pins 24 pins
  • Pin arrangement  12x 2 staggered
  • Print Pin diameter  0.2 mm (0.0079 inch)

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Epson LQ-2070 Service Manual