Samsung ML-1750 manuals

Samsung ML-1750 Specifications (120 pages)

Brand: Samsung | Category: Software | Size: 7.49 MB |

English

Table of contents

LASER PRINTER

1

ML-1700 Series

1

ELECTRONICS

2

2003. 02

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

2.3.1 A4 5% Pattern

10

2.3.2 A4 2% Pattern

11

2.3.3 A4 IDC Pattern

12

REFERENCE INFORMATION

13

3. Specifications

14

3.3 Electrical Specification

15

3.2 Controller Specification

15

3-4 Environmental Range

15

Specifications

16

4. Summary of Product

18

(ML-1750 Only)

19

4.1.3 Control Panel

20

2) Cancel button

21

4.2 System Layout

22

4.2.4.3 Heat Roller

23

4.2.4.4 Pressure roller

23

4.2.4.5 Safety Relevant Facts

24

4.2.6 Toner Cartridge

25

4.3 Main PBA(SPL Model)

26

•Main function block

27

1) Paper Empty Sensing

27

2) MP Sensing

27

4) Paper Exit Sensing

28

5) Cover Open Sensing

28

6) DC FAN / SOLENOID Driving

28

7) Motor Driving

28

4.4 Main PBA (PCL Model)

29

SUMMARY OF PRODUCT

30

4.4.1 Asic(SPGPm)

31

4.4.2 Memory

31

SPGPm Internal Block Diagram

32

4.5 SMPS & HVPS

33

2) Charge Voltage (MHV)

34

3)Cleaning Voltage (THV-)

34

5) Supply Voltage(SUP)

34

1) AC Input

35

2) Rated Power Output

35

3) Consumption Power

35

4) Length of Power Cord :

35

5) Power Switch :

35

4.5.3 Fuser AC Power Control

36

4.6.1.1 Jam 0

37

4.6.1.2 Jam 1

37

4.6.1.3 Jam 2

37

4.6.4.1 Heat Lamp Method

38

4.6.4.2 Q-PID Method

38

4.6.5 LSU

39

5. Disassembly and Reassembly

40

Cassette

41

Top Cover

41

Rear Cover

41

Front Cover

41

5.3 Fuser

42

Fuser Ass’y

43

Idle Gear

43

Thermostat

43

Thermister Harness

44

Thermister

44

5.4 Exit Roller

45

Drive Ass'y

46

Main PBA

47

Inlet Bracket

48

5.11 Transfer Roller

49

Guide paper

50

Disassembly and Reassembly

51

6. Alignment and Adjustments

52

6.1.2 Code

53

6.1.3 Self Diagnostic Mode

54

ALIGNMENT & ADJUSTMENTS

55

6.1.4 Self Test Button

56

6.2 Paper Path

57

6.3 Clearing Paper Jams

58

6.3.2 In the Paper Feed Area

59

Service

60

6.4 Sample Pattern

61

6.7 Periodic Defective Image

64

7. Troubleshooting

66

7.1.3 Horizontal Black Band

67

7.1.4 Black/White Spot

67

7.1.5 Light Image

68

7.1.6 Dark Image or a Black

68

Digital Printer

69

7.1.9 Ghost (1)

70

7.1.10 Ghost (2)

70

7.1.11 Ghost (3)

71

7.1.12 Ghost (4)

71

7.2 bad discharge

73

7.2.3 JAM 1

74

7.2.4 JAM 2

74

7.2.5 Multi-Feeding

75

TROUBLESHOOTING

76

7.3 Malfunction

77

7.3.4 Paper Empty

78

7.3.6 Cover Open

79

7.3.9 No Power

80

7.4 Toner Cartridge Service

82

7.5.3 Abnormal Printing

87

7.5.4 SPOOL Error

88

8.1 Main Assembly

90

Main Assembly Parts List

91

8.2 Frame Unit Assembly

92

8.3 Drive Unit Assembly

95

8.5 Fuser Unit Assembly

98

Samsung Electronics

100

Service Manual

100

9. Block Diagram

101

9.2 SPL Model

102

10. Connection Diagram

103

10.2 SPL Model

104

SCHEMATIC DIAGRAMS

105

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