Canon NP-2120 manuals

Canon NP-2120 Technical Information (207 pages)

Brand: Canon | Category: Copiers | Size: 6.81 MB |

English

Table of contents

220/24OV]

1

INTRODUCTION

3

FY8-13AM-02Y

4

REVISION PAGE

8

REVISION

10

PROCESSES

11

Configuration

13

CHAPTER

14

GENERAL DESCRIPTION

14

Construction

16

C. Performance

17

Paper Size

20

Externa1

21

5. Cross-Sectional View

22

A. Control Panel

24

Auto-Start (NP21 20)

28

Indicator

29

COPYING PROCESS

33

35

--------_

35

Figure 2-10

37

Figure 2-11

37

Figure 2-12

37

Figure 2-13

37

Figure 2-14

38

A. Blank Exposure Mechanism

39

Ozone Filter

39

OPERATIONS AND TIMING

40

Functional

41

Electrical Circuitry

42

Figure 3-2

43

C. Inputs to DC Controller

44

Figure 3-4

45

Figure 3-5

46

(output)

46

Outputs from DC Controller

48

Figure 3-8

49

Figure 3-9

50

E. Basic

51

A. Varying the Reproduction

53

Drive System

54

Figure 3-13

55

Drive System (viewed from

55

Drive Motor

57

Figure 3-15

57

C. Scanner Drive System

58

1. Outline

61

2. Mechanism

61

Figure 3-19

61

Table 3-3

63

Figure 3-21

63

B. Basic

65

of Image

65

Formation

65

C. Controlling the Scanning

66

Figure 3-28

71

F. Measuring the

73

Document

73

G. Developing Assembly and

76

Drum Cleaning Unit

76

H. Blank Control

77

1. Controlling the Transfer

78

Cleaning

78

Mechanism

78

Outline

79

Figure 3-39

80

IN JAPAN

85

C. Fixing Assembly and

86

'2 155°C:

88

D. Error Detection

89

(NP2020)

89

Error Detection

90

(NP21 20)

90

Jam Detection

93

A. DC Power Supply

97

DC Power Supplyfor Options

98

------/--iEq

99

A. Outline

100

Using the Service Mode

101

CHAPTER 4

104

MECHANICAL SYSTEM

104

C. Copyboard

109

Control Panel

109

2. Scanner Cooling Fan

110

4. Feeder Fan

110

3. Exhaust Fan

110

Drive Unit

111

B. Scanner Drive Unit

113

5. Lubrication

115

C. Main Motor Unit

116

A. Pick-Up Unit

117

B. Feeder Unit

122

A. Illuminating Unit

124

B. Blank Exposure Unit

125

A. Drum Unit

127

Primary and Transfer

128

Corona Units

128

Figure 4-71

130

Developing Assembly

131

A. Fixing Assembly

134

CHAPTER 5

140

INSTALLATION

140

Unpacking

142

B. Mounting the Drum

145

C. Checking the Operation

146

D. Aciding Toner

147

E. Checking the Image

148

Figure 5-10

152

Figure 5-I 1

152

Figure 5-12

152

Figure 5-13

152

2. NP2120

158

CHAPTER 6

159

MAINTENANCE AND SERVICING

159

APPENDIX

164

WIRING DIAGRAM (NP2020lA603)

170

WIRING DIAGRAM (NP2120/A603)

174

WIRING DIAGRAM (NP2020/A604)

175

13. LIST

176

CHAPTER 1

180

CHAPTER 2

183

OPERATIONS AND

183

TIli/lING

183

CONSTWUCT~ON

184

C. Outline

187

and Feed Operations

188

Sequence

189

Figure 2-206

189

E. Releasing the Pick-Up and

190

Separation Rollers

190

CHAPTER 3

192

Pick-Up Roller

193

Feed Roller

194

C. Separation Roller

194

D. Registration Roller

195

Deck Drive Unìt

196

Making Adjustments

197

Modifying the Deck Size

199

MAINTENANCE

200

AND SERVICING

200

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