Epson P-2500 manuals

Epson P-2500 Service Manual (178 pages)

Brand: Epson | Category: Print & Scan | Size: 4.21 MB |

English

Table of contents

SERVICE MANUAL

1

PRECAUTIONS

3

Revision Status

5

Contents

7

Disassembly & Assembly

8

Adjustment

8

Maintenance

8

Appendix

8

PRODUCT DESCRIPTION

9

1.1 Features

10

1.2 General Specifications

10

1.2.2 Scan area

11

1.2.3 Print area

12

1.2.4 Printing

13

1.2.5 Input data buffer

13

1.2.6 Control codes

13

1.2.7 Paper feed

13

1.2.8 Paper

14

1.2.9 Ink

15

1.3 Scanner

16

1.4 Common

17

1.4.5 Reliability

18

1.4.6 Acoustic noise

18

1.5 Interfaces

19

1.5.2 Scanner interfaces

21

1.6 Control Panel

23

COPY BUTTON

24

Table 1-13. Settings Menu

25

1.6.3 Initialization

27

1.7 Settings Menu

28

1.8 Stylus Scan Errors

29

1.9 Options

30

1.10.1 Dimensions

31

1.10.2 Weight

31

OPERATING PRINCIPLES

33

2.1 General

34

2.2.1 Printing Mechanism

35

Figure 2-2

36

Printhead

36

Sectional Drawing

36

2.2.2 Printing Process

37

Carriage Motor Specifications

38

Phase drive

38

PLATEN GAP LEVER

39

PF Motor Specifications

40

Motor Control for Each Mode

40

SMALLER TRAILING-EDGE MARGIN

43

CARRIAGE LOCK MECHANISM

44

PAPER PICK-UP OPERATION

45

2.2.5 Ink System

46

Mechanism

46

Pumping modes

48

2.2.7 Cap Mechanism

49

2.3 Scanner Principles

50

2.3.2 Carriage Operation

51

2.4.1 Local copy process

52

2.4.2 PC copy process

53

2.5.1 B102 PSB/PSE Board

55

2.5.2 B102 MAIN Board

57

Printer Block

58

System & Scanner

58

Local Copy Block

58

TROUBLESHOOTING

60

Flowchart 3-1

62

3.1.2 Error is detected

63

Flowchart 3-4

64

Flowchart 3-5

64

Error Cause Solution

65

3.3 Scanner Troubleshooting

70

Table 3-17. Sensor Check

74

DISASSEMBLY & ASSEMBLY

75

4.1 Overview

76

W ARNING

77

4.1.2 Tools

78

4.2 Disassembly Procedures

82

4.3 Removing the Housing

83

4.3.2 Removing the top cover

84

Remove three screws

90

Remove one screw

90

Remove two screws

90

6. Remove the circuit board

92

REQUIRED

97

Spur gear

99

Combination

99

Spur gear 26.4

99

4.7.1 Removing the scanner

111

ADJUSTMENT

114

5.1 Required Adjustments

115

5.2 Printer Adjustment

116

5.3.1 Installing the program

118

Figure 5-5. Head ID Menu

121

PRODUCTION MENU

122

Figure 5-6. Production Menu

123

5.3.4 Bi-D Adjustment

124

5.3.6 Head Voltage ID Input

126

Figure 5-9. Screw Position

127

Figure 5-10. Lever Operation

127

5.4 Scanner Adjustment

128

MAINTENANCE

129

6.1 Overview

130

Maintenance Overview 130

131

Maintenance Overview 131

132

Maintenance Overview 132

133

Maintenance Overview 133

134

Maintenance Overview 134

135

Maintenance Overview 135

136

Maintenance Overview 136

137

Maintenance Overview 137

138

Maintenance Overview 138

139

6.1.2.3 Scanner Mechanism

140

APPENDIX

141

7.1 Connector

142

Appendix Connector 142

143

Appendix Connector 143

144

Appendix Connector 144

145

Appendix Connector 145

146

7.2 EEPROM Address Map

147

Adjusted at factory

150

7.3 Exploded Diagrams

153

Rev.01 10138

154

7.4 Parts List

163

Appendix Parts List 163

164

Appendix Parts List 164

165

Appendix Parts List 165

166

Appendix Parts List 166

167

7.5 Component Layouts

168

7.6 Circuit Diagrams

173

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