Epson LX-86TM manuali

Epson LX-86TM Specifiche (142 pagine)

Marchio: Epson | Categoria: Stampa e scansione | Dimensione: 2.52 MB |

Inglese

Indice

TECHNICAL MANUAL

1

PRECAUTIONS

3

REVISION SHEET

5

TABLE OF CONTENTS

6

CHAPTER 1

7

GENERAL DESCRIPTION

7

FEATURES

9

1.2 INTERFACE

11

1.3 SPECIFICATIONS

14

1.4 OPERATING CONTROLS

20

Middle and

21

1.5 MAIN COMPONENTS

26

CHAPTER 2

30

OPERATING PRINCIPLES

30

2.1 GENERAL

33

MODEL-3A1O PRINTER MECHANISM

34

(MAIN BOARD)

34

2.3 POWER SUPPLY CIRCUIT

35

2.3.2 Regulator Circuit

37

2.4 CONTROL CIRCUIT

41

(ControIl

46

1. Address latch

47

-“’’’’’’’’’’’’’;’’’”:l

51

*m(cN2pin’3)

54

2.4.6 Paper Feed Motor

59

~---vuvu

61

61

EPSON LX-800

62

2.4.8 Print Timing Control

66

4,,1<,1

68

2.5.1 Sensor Mechanism

69

Carriage Guide Shaft

70

Paper Feed Motor

72

Breaking

74

CHAPTER 3

75

OPTIONAL EQUIPMENT

75

3.1 GENERAL

76

3.2 OPTIONAL INTERFACES

76

CHAPTER 4

77

ISASSEMBLY, ASSEMBLY, AND

77

ADJUSTMENT

77

4.2 DISASSEMBLY AND ASSEMBLY

82

4.2.2 Removal of Cases

83

Flat Spring

92

, Platen

92

Platen Gear

92

Carriaga Guide

93

Shaft Ground

93

Sprocket Shaft

98

Guide Roller’

98

Sprocket Wheel

98

4.3 ADJUSTMENT

99

,’v?,?la

100

CHAPTER 5

101

TROUBLESHOOTING

101

LIST OF FIGURES

101

LIST OF TABLES

101

‘ARN’NG~

102

I printer mechanism

104

Set the gap-adjustment lever

107

Printhead

111

5.3 UNIT REPAIR

112

● The l/F cable is

113

Solution

113

5.3.2 Printer Mechanism

115

● Replace the

116

● Resistance value:

117

● Sheet load

118

● Remove any

118

CHAPTER 6

120

MAINTENANCE

120

6.1 PREVENTIVE MAINTENANCE

121

Adhesive Application Point

122

No. of Point

122

APPENDIX

124

A.1 PRINCIPAL

126

SPECIFICATIONS

126

Fig. A-2. wPD7810/7811 Block

128

E05A03BA

132

(E05A03CA)

132

Gate Array

132

Memory Ce I

134

A.1.4 494 Regulator IC

135

A.1.5 7407

137

Fig. A-1 2. 7407 Pin Diagram

137

A.2 SCHEMATICS AND DIAGRAMS

138

Fig, A-15

139

Board Component Layout

139

in Japan

142

87.07 -.6

142

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