Samsung ML-2552W manuali

Samsung ML-2552W Specifiche (176 pagine)

Marchio: Samsung | Categoria: Software | Dimensione: 15.06 MB |

Inglese

Indice

LASER PRINTER

1

ML-2551N

1

ML-2552W

1

Copyright(c) 2003.09

2

Printed in Korea

3

1. Precautions

4

1.2 Caution for safety

5

Precautions

6

1.3 ESD Precautions

7

2. Reference Information

8

2.1 Tool for Troubleshooting

8

2.3 Selecting a Location

10

2.4.1 A4 5% Patten

11

2.4.2 A4 2% Patten

12

2.4.3 A4 LSA 5% Patten

13

2.6 Wireless LAN

14

Reference Information

15

3. Specifications

16

3.3 Electrical Specification

17

3.2 Controller Specification

17

3.5 Environmental Condition

18

Specifications

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4. Summary of Product

20

4.1.2 Rear View

21

4.1.3.1 Display

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4.1.3.2 Buttons

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Accessing Control Panel Menus

24

Summary of Product

25

4.1.3.4 Special Features

26

4.2 System Layout

28

4.2.1 Feeding

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1) Thermostat

30

3) Heat roller

30

4) Pressure roller

30

5) Items for safety

30

4.2.6 Toner Cartridge

31

4.3 Main Board

32

4.3.1 ASIC (SPGPi)

33

Summary of product

34

4.3.2. Memory part

36

4.3.3. RESET Circuit

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4.3.4. ClOCK Circuit

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4.3.5. INTERFACE Part

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4.3.6. Sensor input circuit

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Exit Sensor

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HVPS FuserMain PBA

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>>Power Switch : Use

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>>AC Input

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>>Rated Power Output

40

>>Consumption Power

40

4.4.3. Fuser AC Power Control

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4.5.1.1 Jam 0

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4.5.1.2 Jam 1

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4.5.1.3 Jam 2

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4.5.1.4 Duplex Jam 1

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4.5.1.5 Duplex Jam 2

42

4.5.4 Fusing

43

4.5.5 LSU

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5. Disassembly and Reassembly

45

Transfer Roller

46

MPF Ass’y

47

Tray Link

47

MP Cover

47

Knock Up Plate Ass’y

47

Retard Ass’y

48

5.5 Cover-Right

49

5.6 Main PBA

50

Main Drive Ass’y

51

Main Motor Ass’y

51

Cover Joint PBA

51

5.8 Connector PBA

52

MP Solenoid

53

Main Solenoid

53

Cover-Rear

54

5.11 DC Fan

55

Tie Stopper

56

Rear Cover

56

Top Cover

57

Micro Switch PBA

58

Sensor Cap

58

Thermistor

59

Pressure Roller

60

5.17 Exit Drive

61

Actuator

62

5.19 LSU

63

LSU Lower Cover

64

HV Small

64

Toner Sensor PBA

64

PTL Upper

65

Gear Cap

65

5.22 MP Pick-up Ass’y

66

Bottom Cross Bar

68

Pick Up Unit

69

Power Shield

70

Engine PBA

71

<1> Outline

72

<2> Usage

72

ALIGNMENT & ADJUSTMENTS

74

Service

74

6.1.2.5 Sensor Test

77

Toner Cartridge

79

• Simplex

80

• Duplex

80

• In the Tray1

81

• In the Optional Tray2

82

• In the Multi-Purpose Tray

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6.2.1.5 In the Duplex Area

85

• Duplex Jam 1

85

• Duplex Jam 2

85

6.3 Sample Pattern

86

6.3.3.1 Remaining Toner: xx%

87

6.3.3.2 OPC Count: XXXXXX

87

6.3.3.4 Supplier: SAMSUNG

87

<Rollers Layout>

90

7. Troubleshooting

92

7.1.3 Horizontal Black Band

93

7.1.4 Black/White Spot

93

7.1.5 Light Image

94

7.1.9 Ghost (1)

96

7.1.10 Ghost (2)

96

7.1.11 Ghost (3) : Fuser

97

7.2.1 Wrong Print Position

99

7.2.2 JAM 0

99

7.2.4 JAM 2

100

7.2.3 JAM 1

100

7.2.6 JAM Duplex 2

101

7.2.5 JAM Duplex 1

101

7.2.7 Multi-Feeding

102

Troubleshooting

103

Samsung Electronics

103

Service Manual

103

7.3.1 Fuser Error

104

7.3.2 LSU Error

104

7.3.4 Paper Empty

105

7.3.6 Cover Open

106

7.3.9 No Power

108

7.4 Toner Cartridge Service

110

7.4.4.1 Invalid Toner

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7.4.4.2 Low Toner

111

7.4.4.3 Replace Cartridge

111

Digital Printer

112

7.5.3 Abnormal Printing

117

7.5.4 SPOOL Error

118

Main Assembly Parts List

122

8.2 Base-Houshing Assembly

124

8.3 Frame Assembly (1)

126

Frame Assembly (2)

127

Frame Assembly Parts List

128

8.4 Fuser Assembly

131

8.5 Main Driver Assembly

134

8.6 Exit Driver Assembly

135

8.7 Regi Assembly

136

8.8 SMPS Assembly

137

SMPS Assembly Parts List

138

8.9 Cassette Assembly

139

Cassette Assembly Parts List

140

8.10 SCF Assembly

141

SCF Assembly Parts List

142

9. Block Diagram

144

Block Diagram

145

10. Connection Diagram

146

Connection Diagram

147

Main Circuit Diagram(1/9)

148

Main Circuit Diagram(2/9)

149

Main Circuit Diagram(3/9)

150

Main Circuit Diagram(4/9)

151

Main Circuit Diagram(5/9)

152

Main Circuit Diagram(6/9)

153

Main Circuit Diagram(7/90)

154

Main Circuit Diagram(8/9)

155

Main Circuit Diagram(9/9)

156

Schematic Diagrams

157

HVPS Circuit Diagram(220V)

158

SMPS Circuit Diagram(220V)

160

SCF PBA Circuit Diagram(2/2)

168

RAM DIMM Circuit Diagram(2/2)

170

11-7 PS3 ROM Circuit Diagram

172

11-12 OPC PBA Circuit Diagram

175

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