Epson SQ-870 manuals

Epson SQ-870 Specifications (176 pages)

Brand: Epson | Category: Print & Scan | Size: 3.11 MB |

English

Table of contents

SQ - 870/1170

1

PRECAUTIONS

3

REVISION SHEET

5

TABLE OF CONTENTS

6

CHAPTER 1

7

GENERAL DESCRIPTION

7

1.1 FEATURES

9

Table 1-2. Optional Units

10

1.2 SPECIFICATIONS

11

Rear Push Position

12

Release Position

12

to 82 g/m2)

12

F;;::~?nch)

13

Temperature (“c)

16

1.2.2 Firmware

17

Specifications

17

SP control code

20

Figure 1-8. Character Matrix

21

1.3 INTERFACE OVERVIEW

22

CONTROL PANEL

24

(9) RESET Button

25

INDICATORS

25

(1) POWER (green)

25

(4) PAPER-OUT (red)

25

1.5.1 DIP Switch Settings

26

When SW 1-4 is ON

27

1.6 OPERATING INSTRUCTIONS

28

1.6.5 Buzzer Operation

29

1.6.6 Printer Initialization

29

1.6.7 Default Values

30

Tear-off Function

31

1.6.10 Adjust Lever Operation

31

Printhead Protection

32

1.6.12 Ink Charge

32

1.6.13 Ink End Detection

32

Cover Open Detection

32

1.7 MAIN COMPONENTS

33

1.7.2 Control Panel

35

1.7.5 Housing

36

CHAPTER 2

37

OPERATION PRINCIPLES

37

2.1.1 Printhead Mechanism

41

Piezoelectric Element

42

Pressure Chamber

42

2.1.2 Carriage Mechanism

43

LEVER, GAP, ADJUST

44

2.1.3 Paper Feed Mechanism

45

/-’--=

46

‘“p’at&

49

OD Edae Holder Plate

52

,’.,, ,...

53

Pulley Pump

55

● Timer Value: Not relevant

62

2.2.1 Voltage Allocation

66

– – - – –

68

● 1/0 Port

69

● Printhead control

69

2.3.2 Reset Circuit

70

2.3.3 Detection Circuit

70

2.3.8 TE Motor Drive Circuit

76

CHAPTER 3

78

DISASSEMBLY AND ASSEMBLY

78

3.1 OVERVIEW

81

RIAGE LOCK

83

Packing Material

85

Protective Sheet

85

3.1.2 TOOIS

87

3.1.3 Service Check List

89

3.2 DISASSEMBLY AND ASSEMBLY

90

3.2.1 Housing Removal

91

3.2.2 Printhead Replacement

92

I I I I

93

ASSEMBLY POINTS

94

3.2.5 Circuit Board Removal

97

[Step 3]

98

[Step 4]

98

‘igh’Frame*$;:

100

(M3 X 8)

103

HOLDER, PLATEN, LEFT/RIGHT

109

REQUIRED ADJUSTMENT ITEMS

110

ROLLER ASSY., DRIVE

111

B, RIGHT

113

Shaft (C)

113

Release Lever

114

INTERMITTED

114

Posifien

114

CHAPTER 4

116

ADJUSTMENTS

116

LIST OF FIGURES

116

LIST OF TABLES

116

4.2 PLATEN GAP ADJUSTMENT

118

PULLEY, DRIVEN

120

PRINTHEAD

121

DRIVE VOLTAGE ADJUSTMENT

121

MAIN Board

123

4.5 PRINT ADJUSTMENT

124

Print Position Adjustment

125

4.6 VOLUME

126

ADJUSTMENT ON MAIN BOARD

126

CHAPTER 5

127

TROUBLESHOOTING

127

5.1 OVERVIEW

128

1011026

129

(2) Error is detected

132

(3) Print failure occurs

134

5.4 REPAIR OF MAIN BOARD

140

Rcmair nf Main Board

141

TE motor

144

ICI 2 is Check

144

5.5 REPAIR OF THE PRINTER

145

MECHANISM

145

CHAPTER 6

150

MAINTENANCE

150

6.1 PREVENTIVE MAINTENANCE

151

APPENDIX

155

A.1 CONNECTOR SUMMARY

157

. . . .

158

1/0 Signal Name Function

159

1/0 Signal Name Function

161

1/0 Signal Name

161

Re~tifier

162

A-6. C076 PSE Board Circuit

164

—-----+11

166

1==-r’:=’os’

169

2004225 00 #CHK-S4Xl

170

A.5 CASE OUTLINE DRAWING

173

I -----1

174

Printed in Japan

176

92.02 -.7-G

176

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