Samsung ML-1740 - ML 1740 B/W Laser Printer manuali

Manuali dei proprietari e guide per l'utente per Software Samsung ML-1740 - ML 1740 B/W Laser Printer.
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Indice

LASER PRINTER

1

ML-1740/XSH

1

ELECTRONICS

2

2003. 12

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

Samsung Electronics

13

Service Manual

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

4.1.2 Rear View

19

4.1.3 Inside View

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 SMPS & HVPS

29

2) Charge Voltage (MHV)

30

3)Cleaning Voltage (THV-)

30

5) Supply Voltage(SUP)

30

1) AC Input

31

2) Rated Power Output

31

3) Consumption Power

31

4) Length of Power Cord :

31

5) Power Switch :

31

4.4.3 Fuser AC Power Control

32

4.5.1.1 Jam 0

33

4.5.1.2 Jam 1

33

4.5.1.3 Jam 2

33

4.5.4.1 Heat Lamp Method

34

4.5.4.2 Q-PID Method

34

4.5.5 LSU

35

5. Disassembly and Reassembly

36

Top Cover

37

Rear Cover

37

Front Cover

37

5.3 Fuser

38

5.4 Exit Roller

39

Drive Ass'y

40

Engine Shield

41

Ass'y

41

Main PBA

41

Inlet Bracket

42

5.11 Transfer Roller

43

5.12 Feed Roller

44

Disassembly and Reassembly

45

6. Alignment and Adjustments

46

6.1.2 Code

47

6.1.3 Self Diagnostic Mode

48

LIGNMENT & DJUSTMENTS

49

6.1.4 Self Test Button

50

6.2 Paper Path

51

6.3 Clearing Paper Jams

52

6.3.2 In the Paper Feed Area

53

Service

54

6.4 Sample Pattern

55

ML-1740 Series

56

<Rollers Layout>

59

7. Troubleshooting

61

7.1.3 Horizontal Black Band

62

7.1.4 Black/White Spot

62

7.1.5 Light Image

63

7.1.6 Dark Image or a Black

63

Digital Printer

64

7.1.9 Ghost (1)

65

7.1.10 Ghost (2)

65

7.1.11 Ghost (3)

66

7.1.12 Ghost (4)

66

7.2 bad discharge

68

7.2.3 JAM 1

69

7.2.4 JAM 2

69

7.2.5 Multi-Feeding

70

TROUBLESHOOTING

71

7.3 Malfunction

72

7.3.4 Paper Empty

73

7.3.6 Cover Open

74

7.3.9 No Power

75

7.4 Toner Cartridge Service

77

7.5.3 Abnormal Printing

82

7.5.4 SPOOL Error

83

8.1 Main Assembly

85

SA : Service Available

86

8.2 Frame Unit Assembly

87

8.4 Cassette Unit Assembly

91

8.5 Fuser Unit Assembly

93

9. Block Diagram

96

COMPATIABLE

97





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