Canon NP6621 manuels

Canon NP6621 Manuel de service (340 pages)

marque: Canon | Catégorie: Copieurs | Taille: 3.79 MB |

Anglais

Table des matières

FY8-13F4-000

1

COPYRIGHT © 1998 CANON INC

2

Introduction

3

CONTENTS

5

CHAPTER 5 INSTALLATION

6

CHAPTER 4 MECHANICAL SYSTEM

6

CHAPTER 1

9

I. FEATURES

11

II. SPECIFICATIONS

12

3. Performance

13

4. Others

14

Cassette Feeding Unit-K1

15

C. Paper Deck Pedestal-K1

16

A. Exterior

17

B. Cross Section

18

2. Cassette Feeding Module-A2

19

3. Cassette Feeding Unit-K1

20

4. Paper Deck Pedestal-K1

21

GENERAL DESCRIPTION

22

A. Control Panel

23

Figure 1-402

25

Table 1-403

25

B. Making Copies

26

C. Using the Stack Bypass

27

D. User Mode

29

3. Auto Clear Time

30

4. Auto Energy Saver Time

30

5. Zoom Fine Adjustment

31

Sorter (options))

33

11. Initializing User Mode

35

V. WARNINGS AND

36

Door/Sorter/Stapler Sorter)

40

Cartridge)

41

Sealing tape

42

B. Cleaning the Static Charge

43

Eliminator

43

VI. ROUTINE CLEANING

44

CHAPTER 2

45

COPYING PROCESS

45

I. IMAGE FORMATION

47

B. Latent Static Image

48

Formation Block

48

Pre-exposure lamp

49

Primary charging roller

49

Toner Blade

50

Cylinder

50

Developing

50

G. Step 5 (transfer)

51

H. Step 6 (separation)

52

J. Step 8 (drum cleaning)

53

I. Step 7 (fixing)

53

II. AUXILIARY PROCESS

54

CHAPTER 3

55

I. BASIC OPERATIONS

57

B. Outline of Electrical Cir

58

Figure 3-103

59

Figure 3-104

60

Figure 3-105

61

Figure 3-106

62

Figure 3-107

63

Figure 3-108

64

Figure 3-109

65

Figure 3-110

66

Figure 3-111

67

Figure 3-112

68

Driver PCB

69

Figure 3-115

71

Figure 3-117

73

Figure 3-118

74

Figure 3-119

75

Figure 3-120

76

H. Main Motor Control Circuit

77

Figure 3-122

78

Table 3-101

79

J. Original Size Detection

80

3. Original Size Detection

82

II. EXPOSURE SYSTEM

83

Figure 3-202

84

Microprocessor

85

C. Scanner Drive System

87

III. IMAGE FORMATION

91

Figure 3-302

92

C. Controlling the Scanning

93

D. Controlling the Primary

94

Charging Roller

94

E. Controlling the Transfer

97

Roller Bias

97

1. Outline

100

Static Eliminator Bias

101

G. Controlling the Developing

102

OPERATIONS AND TIMING

103

H. Copy Density Automatic

104

3. AE Adjustment

105

I. Developing/Cleaning As

106

J. Blank Exposure Control

109

Margin and Sheet Gap

110

K. Primary Charging Roller

111

Cleaning Control

111

L. Transfer Roller Locking/

112

Releasing Control

112

IV. PICK-UP/FEEDING

113

Figure 3-401

114

Figure 3-402

115

B. Making Two-Sided Copies

117

(1 copy)

117

(forward)

118

C. Duplexing Unit

119

2. Set-Back Operations

120

Set-back roller 1

121

Set-back rollers

121

12mm12mm

123

Set-back roller

124

Duplex exit

124

3. Re-Pick Up Operation

125

Slip roller

126

Photosensitive

126

D. Pick-Up from the Cassette

128

Feeding Module-A2

128

Figure 3-427

129

E. Pick-Up from the Cassette

130

Feeding Unit-K1

130

Figure 3-429

131

Figure 3-430

131

F. Paper Deck Pedestal-K1

132

2. Pick-Up/Feeding Operation

133

Figure 3-433

134

3. Lifter Operation

135

Figure 3-435

136

Paper detecting spacer

137

Paper detecting lever

137

Paper sensor (PS1)

137

G. Multifeeder

138

Slide guide (Front)

139

Multifeeder tray

139

Slide guide (rear)

139

DC controller PCB

139

Variable resistor (VR1)

139

Figure 3-440

140

Cassette

141

Paper size lever

142

Guide plates (vertical)

142

Guide plate (horizontal)

142

I. Fixing/Delivery Assembly

143

Table 3-403

144

2. Oil Application Roller

145

Figure 3-443

146

5. Protection Mechanism

147

J. Detecting Jams

148

COPYRIGHT

151

7. Separation Delay Jam

152

8. Separation Timing Jam

152

9. Delivery Delay Jam

153

10. Delivery Stationary Jam

154

1.3 sec 1.3 sec

155

Figure 3-456

156

Figure 3-457

156

V. POWER SUPPLY

157

B. Power Supply Circuitry

158

C. Detecting Errors on the

159

Power Supply PCB

159

D. Protection Mechanisms for

160

Service mode switch

161

Register

162

C. Control Display Mode (‘1’)

163

D. I/O Mode (‘2’)

166

Table 3-609

167

No. 222 Port P0 Display

169

Table 3-611

169

E. Adjustment Mode (‘3’)

170

Jam history clear

173

H. Counter Mode (‘6’)

176

VII.SELF DIAGNOSIS

177

C. RDF/ADF Self Diagnosis

181

D. Sorter Self Diagnosis

182

VIII. STANDARDS AND

183

ADJUSTMENTS

183

Adjustment

187

Universal Cassette

188

CHAPTER 4

191

MECHANICAL SYSTEM

191

I. EXTERNALS

193

B. Control Panel

194

C. Removing the Display

194

1. Removing the Exhaust Fan

195

E. Counter*

196

II. DRIVE SYSTEM

197

Position B

198

Longest pin

198

Medium-Length pin

198

4. Routing the Scanner Cable

199

No. 2 and No. 3 mirrors)

201

2. Routing the Lens Cable

204

Figure 4-223

205

Drive belt

206

Tensioner

206

A. Pick-Up Assembly

207

B. Multifeeder Assembly

209

(front of copier

210

C. Registration Roller Assem

212

D. Feeding Assembly

214

E. Delivery Assembly

214

F. Duplexing Assembly

215

G. Cassette Unit

216

Pick-Up Roller

217

5. Removing the Pick-Up Unit

217

H. Paper Deck Pedestal-K1

219

3. Removing the Lifter Wire

220

6. Points to Note

223

8. Points to Note

224

10.Points to Note

224

A. Illuminating Assembly

226

Attach the spring the outside

228

Slide shutter (rear)

228

Wind 3.5 items

228

Slide shutter (front)

228

9. Installing the Lens Heater

229

V. CHARGING SYSTEM

230

B. Primary Charging Assem

231

C. Transfer Charging Assem

232

D. Drum Heater*

233

Side Seal

235

Assembly

236

VII. FIXING SYSTEM

237

3. Removing the Fixing Roller

238

Upper Fixing Unit

239

Pressure (nip)

241

VIII. ELECTRICAL

242

C. AE Sensor PCB

243

CHAPTER 5

245

INSTALLATION

245

A: 19.7in./50cm

247

B: 3.9in./10cm

247

Scanner fixing

248

Spacer Spacer Spacer

249

B. Turning On the Copier

251

D. Attaching the Drum Unit

254

E. Changing the Cassette Size

255

III. RELOCATING THE COPIER

257

Releasing spacer

258

A. Unpacking

262

B. Installation (to copying

263

Cassette heater

264

Heater mounting hole

264

Switch for the

265

Mounting plate 2

266

Cord clamp

267

Copier's connector

268

Molded member

268

Copier's base plate

268

Relay harness

268

B. Installation

271

Cord guides

272

C. Attaching the Ratings

273

B. Installation to the Copier

274

12345678

277

CHAPTER 6

281

MAINTENANCE AND SERVICING

281

II. DURABLES AND CONSUMABLES

284

III. BASIC SERVICING

286

IV. SERVICING CHART

287

APPENDIX

289

B. SIGNALS AND ABBREVIATIONS

292

3. Abbreviations

293

C. GENERAL CIRCUIT DIAGRAM

295

DC Controller (1/14)

297

DC Controller (2/14)

298

DC Controller (3/14)

299

DC Controller (4/14)

300

DC Controller (5/14)

301

DC Controller (6/14)

302

DC Controller (7/14)

303

DC Controller (8/14)

304

DC Controller (9/14)

305

DC Controller (10/14)

306

DC Controller (11/14)

307

DC Controller (12/14)

308

DC Controller (13/14)

309

DC Controller (14/14)

310

H.V.GENERATOR

313

AC+DC BIAS

313

DISCHARGE

314

TRANSFER

315

Control Panel Key PCB (1/3)

317

Control Panel Key PCB (2/3)

318

Control Panel Key PCB (3/3)

319

Driver Circuit Diagram (1/2)

325

Driver Circuit Diagram (2/2)

326

Deck Driver

335

R. SPECIAL TOOLS

337

70% reprocessed paper

340

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