Minolta Di850 manuals

Minolta Di850 Service Manual (138 pages)

Brand: Minolta | Category: Multifunctionals | Size: 3.49 MB |

English

Table of contents

Service Manual

1

CONTENTS

4

IMPORTANT NOTICE

6

EXPRESSIONS

6

SAFETY WARNINGS

7

WARNING: Wall Outlet

8

WARNING: Power Plug and Cord

8

WARNING: Wiring

9

WARNING: Ground Lead

9

°C to 30°C 50 °F to 86°F

10

CAUTION: Vibration

11

CAUTION: Ventilation

11

WARNING: Safety Checkpoints

12

SAFETY INFORMATION

14

SAFETY CIRCUITS

15

ATTENTION

17

VORSICHT

17

PRECAUCION

17

ATTENZIONE

17

Elektrische Teile

18

In dieser Einheit

18

Use care after opening the

19

Trimmer [TMG-2]

20

1 OUTLINE

22

OUTLINE OF SYSTEM

24

PRODUCT SPECIFICATIONS

25

CENTER CROSS-SECTIONAL VIEW

27

DRIVE SYSTEM DIAGRAM

28

[2] Drum Drive Section

29

[3] Developing Drive Section

30

[4] Paper Feed Drive Section

30

[11] Paper Exit Drive Section

37

[13] Optics Drive Section

38

[14] Web Drive Section

39

UNIT EXPLANATION

40

2 UNIT EXPLANATION

41

EXTERNAL SECTION

42

[3] M1 (Main) Control

45

[4] M2 (Drum) Control

45

READ SECTION

46

PS5 PS6PS7

48

PRCB SCDB

49

[5] Original Read Control

50

[6] APS Control

50

ICB IFB ICB

52

WRITE UNIT

54

DCPS2 PMDB

55

M5 DRIVE A

56

M5 DRIVE B

56

M5 DRIVE C

56

[4] Image Write Control

57

DRUM UNIT

60

[3] Separation Claw Control

61

[4] Paper Guide Plate Control

61

[5] Drum Potential Control

62

CORONA UNIT SECTION

64

DCPS2 HV1

65

PRCB HV2

66

PS41 PS42

67

[7] PCL/TSL Control

69

DEVELOPING UNIT

70

[4] Developing Bias Control

71

[5] Toner Density Control

72

[6] Dmax Control

73

PRCB TCSB

76

DCPS2 ACDB

77

TONER SUPPLY UNIT

78

CLEANING/TONER RECYCLE UNIT

82

[3] M14 (Blade) Control

83

TRAY 1/2 PAPER FEED UNIT

84

[3] First Paper Feed Control

86

[4] Paper Up Drive Control

88

PRCB DCPS1

91

TRAY 3 PAPER FEED UNIT

92

BY-PASS TRAY

98

1. Operation

100

2. Signals

100

[1] Composition

102

[2] Mechanisms

102

PRCB DCPS2

113

DCPS1 DCPS2

116

FIXING UNIT

120

[3] M16 (Web Drive) Control

124

2. Signal

127

OTHER KINDS OF CONTROL

128

[4] Operation Panel Control

133

[5] Counter Control

135

[6] Option Control

136

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