Sharp SF-1020 manuales

Sharp SF-1020 Manual de servicio (140 paginas)

Marca: Sharp | Categoria: Impresión y escaneo | Tamaño: 4.49 MB |

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Tabla de contenidos

SERVICE MANUAL

1

Contents

2

[1] PRODUCT OUTLINE

5

[2] PRODUCT SPECIFICATIONS

6

3. Supply parts

8

4. Optional specifications

9

[3] PRODUCT VIEWS

11

11 12 13

12

Clutches and solenoids

14

6. Rollers, mirrors, etc

17

1. Unpacking

18

2. Installation

18

Grounding

19

4. Charger cleaning

20

5. Developing unit setting

21

Hand carry strap

22

Developing unit lever

22

Front cabinet

22

Copy tray

22

9. Center shift adjustment

24

10. Label attachment

24

(SF-CM15) installation

25

(SF-CM16)

26

16P connector

27

13. Tray paper size selection

28

(Described with the SF-1020)

28

4. Attach the tray

29

Roller release arm

30

Paper feed roller shaft

30

Paper feed roller

30

2. Developing section

31

(3) Optical section

32

• Brightness (F8.5)

33

• Focus: (195mm ±1%)

33

2. Basic operations

35

• Photo density copy mode

35

(2) Dirt correction

36

(4) Copy process

37

(2) Process diagram

38

Step 1 (Main Charging)

39

Step 2 (Exposure)

39

Step 3 (Development)

40

Step 4 (Transfer)

41

Step 5 (Separation)

41

Step 6 (Cleaning)

42

Step 7 (Discharging)

42

(6) Process control function

43

Process control

44

Process control timing

44

Drum marking

44

Basic structure

44

(5) TRANSPORT/FUSING SECTION

45

(6) Fusing paper exit section

45

Thermo control

46

(DDM rotary encoder sensor)

47

[6] DISASSEMBLY AND ASSEMBLY

48

1-3. PS front roller ass’y

49

1-4. Separation roller

49

2. Transport unit

50

PS mylar

51

3. Fusing section

52

Optical adjustment plate

54

Mirror base B

56

Mirror base positioning plate

57

No.2/3 mirror unit

57

Horizontal scales

58

Projections

58

6) Lens wire replacement

60

L drive pulley

61

Lens unit

61

Notch in the optical

62

5. High voltage section

63

6. Process section

64

7. Developing section

67

MAG roller

68

9. Frame major parts

69

9-2. Power unit

70

9-3. Tray size detecting PWB

70

(SF-2020)

71

10-1. Separation roller

72

Clearance gauges

75

2. Optical system

76

2-2. Note for adjustments

77

No.4/5 drive holder

78

• When the lens is replaced

79

Lens value label

80

Zooming cam

81

10 20 90 100 110

82

G. Vertical skew adjustment

84

H. Horizontal skew adjustment

84

Mirror base rail handle

85

Loosen Loosen

85

1 scale = 1mm

85

I. Center shift adjustment

86

K. Copy lead edge adjustment

87

• RRC-A = 6.151 × (L1 – L2)

88

10 20 30 40

89

[8] SIMULATION

91

4. List of simulations

92

Cassette size switch table

93

5. Details of simulations

94

0.5s 0.5s 0.5s

95

0.5s 0.5s

96

PD1 PD2 PD3 PD4 PD5 PD6

102

Document lead eddge

102

4 Set the obtained values

108

6. User simulation

110

(2) User simulation

111

[9] SELF DIAGNOSTICS

112

PLACEMENT

115

4. Set value recording sheet

117

5. Memory simulation list

118

[11] MAINTENANCE

119

[12] ELECTRICAL SECTION

120

Power ON

121

(1) Block diagram

122

SC3041K12F

123

4 Internal block diagram

124

(3) I/O (IC8) CXD1095Q

127

1 General

127

2 Features

127

3 Pin arrangement

127

DTA123YS

130

2 Operation

132

M51953 BL

133

(12) Operation panel

134

HOUND AC CIRCUIT

135

(14) ADU circuit description

136

(2) ADU CPU (IC1)

137

Phase B Phase B

139

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