Epson EPL-5500W manuales

Epson EPL-5500W Manual de servicio (105 paginas)

Marca: Epson | Categoria: Impresión y escaneo | Tamaño: 1.47 MB |

Inglés

Tabla de contenidos

SERVICE MANUAL

1

PRECAUTIONS

4

SAFETY INFORMATION

5

Laser Safety Labels

6

[Label inside printer]

7

REVISION SHEET

9

TABLE OF CONTENTS

10

Chapter 1 General Description

11

List of Tables

12

Rev. A 1-iii

13

1.1 FEATURES

14

Cat. No. Description Note

15

S051029 Photoconductor unit —

15

1-2 Rev. A

15

1.2 SPECIFICATIONS

16

Printable Area

17

4.0 mm4.0 mm

17

1.2.6 Applicable Standards

19

1.2.8 Physical Specifications

19

1.2.9 Software Specifications

20

1.3 INTERFACE SPECIFICATIONS

21

GREEN Light

22

RED Light

22

1.4.2 Display of Messages

23

Table 1-6. Status Messages

23

Table 1-7. Error Messages

23

Table 1-8. Host PC Conditions

24

Optical Unit

25

C180 MAIN Board

25

PWB-E Board

25

PWB-F Board

25

Fusing Unit

25

1.5.1 C180 MAIN Board

26

Figure 1-5. C180 MAIN Board

26

1.5.2 PWB-E Board

27

1.5.3 PWB-F Board

27

Figure 1-6. PWB-E Board

27

Figure 1-7. PWB-F Board

27

1.5.4 Optical Unit

28

1.5.5 Fusing Unit

28

Figure 1-8. Optical Unit

28

Figure 1-9. Fusing Unit

28

1.5.6 Photoconductor Unit

29

1.5.7 Developing Cartridge

29

Figure 1-11. Developing Unit

29

Table of Contents

30

List of Figures

30

2.1 ENGINE OPERATION

32

2.1.1 Print Process

33

2.1.1.1 Paper Feeding

34

Figure 2-4. Drum Charge

35

Figure 2-5. Laser Exposure

36

Figure 2-6. Development

36

Figure 2-7. Image Transfer

37

Figure 2-8. Fusing

37

2.1.2 Engine Control

38

2-8 Rev. A

39

M1 Main Motor

40

C180 MAIN

40

2.1.2.3 Fuser Control

41

2.1.2.4 Scanner Motor Control

42

2.1.2.5 Laser Diode Drive

43

Figure 2-20. Print Process

45

2.1.2.7 Fan Motor Control

46

Parallel Interface

47

Controller Section

47

Engine Controller Section

47

3.1 GENERAL INFORMATION

51

3.1.3 Small Parts

52

3.2 DISASSEMBLY AND ASSEMBLY

54

3.2.3.1 Optical Unit Removal

56

1. Open the top cover

57

Rev. A 3-7

57

5. Remove the electrode comb

58

3-8 Rev. A

58

3.2.3.3 Upper Unit Removal

59

Rev. A 3-11

61

3.2.3.6 Fusing Unit Removal

62

7. Remove the harness cover

63

Rev. A 3-13

63

Figure 3-20. Roller Position

64

Figure 3-23. Wiring

66

Thermal Fuse

69

Rev. A 3-19

69

Chapter 4 Adjustment

70

4-ii Rev. A

71

Leading Edge

72

Chapter 5 Troubleshooting

73

5.1 OVERVIEW

74

Table 5-1. Error Codes

75

5.3 TROUBLESHOOTING

76

Table 5-8. Service Error (1)

79

Table 5-11. Service Error (4)

80

Table 5-9. Service Error (2)

80

Table 5-10. Service Error (3)

80

5.4.2 Print Quality Anomalies

81

Improper fusing Fusing unit —

83

Chapter 6 Maintenance

84

6-ii Rev. A

85

Electrode Comb Cleaner

86

Cleaner Section

86

Pre-image Transfer Roller

86

Image Transfer Rear

86

6.1.2 Service Maintenance

88

6-4 Rev. A

89

A.1 CONNECTOR PIN ASSIGNMENTS

91

Main Board (C180 MAIN Board)

92

A-6 Rev. A

96

A.2 CIRCUIT DIAGRAMS

97

A-8 Rev. A

98

Rev. A A-9

99

A-10 Rev. A

100

Rev. A A-11

101

A-12 Rev. A

102

Rev. A A-13

103

As of October 1995

104

Printed in Japan

105

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