Samsung 2252W - Printer - B/W manuals

Samsung 2252W - Printer - B/W Specifications (122 pages)

Brand: Samsung | Category: Software | Size: 8.39 MB |

English

Table of contents

LASER PRINTER

1

ML-2250 Series

1

1. Precautions

2

1.2 Caution for safety

3

<ELA HOU-FRAME>

4

<ELA HOU-FUSER LV>

4

Precautions

5

1.3 ESD Precautions

6

• DVM(Digital Volt Meter)

7

Standard : For general use

7

REFERENCE INFORMATION

10

Samsung Electronics

10

Traninung Manual

10

2.4 Sample Tests Patterns

11

2.4.2 A4 2% Pattern

12

2.6 Wireless LAN

14

3. Specifications

15

Specifications

16

3.2 Controller Specification

17

3.3 Software Specifications

18

3.4 Consumable Specifications

18

3.5 Option Specifications

19

3.6 Other Specifications

19

4. Summary of Product

21

Rear output tray

22

(Face up)

22

Power receptacle

22

Parallel port

22

USB port

22

4.1.3 Control Panel

23

2) Cancel button

24

4.2 System Construction

25

4.2.2 System Layout

26

4.2.3 Paper Feed

27

4.2.4 Transfer Ass’y

27

4.2.5 Driver Ass'y

27

4.2.6 Fuser

28

4.2.8 Toner Cartridge

29

4.3 Main PBA(SPL Model)

30

4.3.1 ASIC (SPGPm)

31

4.3.2 Memory

31

4.3.3 Flash Memory

31

4.3.4 SDRAM

32

4.3.5 Sensor Input Circuit

32

4.3.5.9 Transfer

33

4.3.5.10 Fusing

33

4.3.5.10 LSU

33

4.4 SMPS & HVPS

34

2) Charge Voltage (MHV)

35

3)Cleaning Voltage (THV-)

35

5) Supply

35

1) AC Input

36

2) Rated Output Power

36

3) Consumption Power

36

4.5 Engine F/W

37

Summary of Product

38

5. Disassembly and Reassembly

39

5.2 Front Cover

40

5.3 MP-Tray Ass’y

41

Use Driver

42

Exit Roller

43

Middle Cover

44

Exit Gear Bearing

45

SMPS Shield

46

Inlet Bracket

47

Memory Board

47

Connector

47

Main PBA

47

Coin Screws

48

Fuser Cover

49

5.12 Fan

50

5.13 LSU

51

Drive Ass’y

52

Transfer Roller

53

Feed Gear2

54

Feed Gear1

55

Feed Roller1

55

Feed Roller

55

Rubber Pickup

56

Disassembly and Reassembly

57

6. Alignment and Adjustments

59

6.1.2 Code

60

6.1.3 Self Diagnostic Mode

61

Alignment & Adjustments

62

Service

63

6.2 Paper Path

64

6.3 Clearing Paper Jams

65

6.3.2 In the Paper Feed Area

66

6.4 Sample Pattern

68

ALIGNMENT & ADJUSTMENTS

71

<Rollers Layout>

72

7. Troubleshooting

73

Troubleshooting

74

Digital Printer

76

Digital

79

Digital Pri

79

MP Sensor

80

7.2.5 Multi-Feeding

82

7.3.4 Paper Empty

85

7.3.6 Cover Open

86

7.3.9 No Power

88

7.4 Toner Cartridge Service

90

7.5.3 Abnormal Printing

96

7.5.4 SPOOL Error

97

8.1 Main Assembly

99

8.2 Frame Unit Assembly

100

8.3 MP Assembly

101

8.4 Fuser Unit Assembly

102

8.5 RX Driver Unit Assembly

103

8.6 Cassette Unit Assembly

104

9. Block Diagram

105

10. Connection Diagram

106

SMPS Signal PIN Table

107

11. Schematic Diagrams

108

Main Circuit Diagram (2/9)

109

Main Circuit Diagram (3/9)

110

Main Circuit Diagram (4/9)

111

Main Circuit Diagram (5/9)

112

Main Circuit Diagram (6/9)

113

Main Circuit Diagram (7/9)

114

Main Circuit Diagram (8/9)

115

Main Circuit Diagram (9/9)

116

SCHEMATIC DIAGRAMS

117

Service Manual

117

HVPS Circuit Diagram (2/2)

118

SMPS Circuit Diagram (2/3)

120

SMPS Circuit Diagram (3/3)

121

ELECTRONICS

122

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