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Brother 3450CN - HL Color Laser Printer manuals

Owner’s manuals and user’s guides for Copiers Brother 3450CN - HL Color Laser Printer.
We providing 1 pdf manuals Brother 3450CN - HL Color Laser Printer for download free by document types: Service Manual


Brother 3450CN - HL Color Laser Printer Service Manual (367 pages)


Brand: Brother | Category: Copiers | Size: 8.31 MB |

 

Table of contents

SERVICE MANUAL

1

MODEL: HL-3450CN

1

PREFACE

3

TABLE OF CONTENTS

4

HL-34500CN SERVICE MANUAL

5

REGULATIONS

8

780nm-800nm

9

SAFETY INSTRUCTIONS

10

SHIPMENT OF THE PRINTER

12

CHAPTER 1

17

PRODUCT OUTLINE

17

CHAPTER 1 PRODUCT OUTLINE

19

CHAPTER 1 PRODUCT OUTLINE

20

3. INTERNAL STRUCTURE

24

4.1 Video Controller Mode

25

4.2 Engine Controller Mode

25

Fig. 1-4

26

CHAPTER 2

27

SPECIFICATIONS

27

CHAPTER 2 SPECIFICATIONS

29

2.1. Printing

30

2.2. Functions

30

2.4. Paper

32

2.5 Printing Area

34

B 5 (ISO)

35

Executive

35

2.5.2 Print guarantee area

36

<Plain paper>

36

<Envelope>

36

3. ENVIRONMENTAL CONDITIONS

37

CHAPTER 2 SPECIFICATIONS

38

CHAPTER 3

39

INSTALLATION

39

CHAPTER 3 INSTALLATION

41

CHAPTER 3 INSTALLATION

42

Fig. 3-1

42

2.1 Unpacking the Printer

43

Fig. 3-2

44

2.2 Unpack the Starter Kit

45

3. INSTALLATION WORK

46

3.5 Test Print

52

Fig. 3-26

53

Fig. 3-27

53

CHAPTER 4

54

STRUCTURE OF

54

COMPONENTS

54

1.1 Mechanical Structures

56

Fig. 4-1

57

Fig. 4-2

58

First Transfer

59

Second Transfer

59

Fusing

59

Transfer

62

Transfer Drum

63

OPC Belt

64

1.5 Scanning System

76

Fig. 4-25

78

1.7 Fusing Unit

79

(a) Before Fusing

80

(b) After Fusing

80

Fig. 4-28

82

1. Video

84

controller PCB

84

Fig. 4-31

87

Fig. 4-33

90

Fig. 4-34

92

Fig. 4-35

93

Fig. 4-36

94

Fig. 4-37

96

HL-3450CN SERVICE MANUAL

100

Fig. 4-38

103

Fig. 4-39

103

B512137CIR (1/8)

104

LJ8907001

104

B512137CIR (2/8)

105

B512137CIR (3/8)

106

B512137CIR (4/8)

107

B512137CIR (5/8)

108

B512137CIR (6/8)

109

B512137CIR (7/8)

110

B512137CIR (8/8)

111

CODE LJ8107001

112

B512058CIR

112

Power Switch

114

Fig. 4-41

116

2.6 Connection Diagram

118

CHAPTER 5

126

CONTROL PANEL

126

OPERATION

126

CONTENTS

127

1. PANEL LAYOUT

128

2. VIDEO CONTROLLER MODE

129

2.2 Line Test Mode

130

XXXXXXXX

131

12345678

131

TRAY 2 = A4

132

TRAY 2 CHK START

132

CARD R/W OK

133

CARD R/W START

133

2.3 DRAM Test Mode

134

2.4 Test Print Mode

135

2.5 NVRAM Reset Mode

135

3. ENGINE CONTROLLER MODE

136

Table 5-2

137

19 SLEEP MODE

144

[*4]

144

20 SERVICE CALL

144

3.3 Service Mode

145

Paper feeding direction

169

CHAPTER 6

173

PERIODIC

173

MAINTENANCE

173

1.1 Handling Precautions

175

CAUTION

181

Fig. 6-2

182

Paper guide

182

Fig. 6-3

183

Fig. 6-4

184

Transfer roller

184

Transfer unit

184

PRECAUTION

186

Fig. 6-8

187

Fig. 6-10

189

Printer interior

189

2.10 Cleaning the Oil Pad

190

PR2002127

193

REPLACE OPC BELT

194

REPLACE FUSER

196

REPLACE 240K KIT

199

Fig. 6-21

200

REPLACE 120K KIT

201

Fig. 6-23

202

Fig. 6-24

202

Paper discharger

202

Fig. 6-26

204

Fig. 6-27

204

Drum cleaner

204

REPLACE PF KIT1

206

REPLACE TRF DRUM

207

4.9 Oil Pad Replacement

208

CHAPTER 7

209

DISASSEMBLY &

209

RE-ASSEMBLY

209

1.1 Precautions

212

2.1 Cover

214

2.2 Circuit Boards (PWBs)

215

2.3 Motor Units

215

2.4 Clutches

216

2.5 Sensors

216

3. DISASSEMBLY FLOW

217

4. DISASSEMBLY PROCEDURE

218

Fig. 7-11

220

Fig. 7-12

221

4.2 Top of the Printer

231

WARNING

244

4.4 Paper Exit Unit

250

4.5 Front of the Printer

255

4.6 Rear of the Printer

258

4.7 Fusing Unit

262

CHAPTER 8

265

TROUBLESHOOTING

265

CHAPTER 8 TROUBLESHOOTING

267

2. OPERATOR CALL

269

CHAPTER 8 TROUBLESHOOTING

270

3.1 Feed Jam

274

3.2 Inner Jam

275

3.3 Outer Jam

277

3.4 Others

277

4. SERVICE CALL

278

Replace the developer motor

292

Replace the MCTL PWB

292

Replace the connector

307

Replace the heater

307

5. IMAGE FAILURE

311

Fig. 8-6

314

Fig. 8-11

319

Belt seam

319

Fig. 8-13

327

OPC belt cartridge

327

X X X X X X X X X X X X X X X

329

APPENDIX

330

X X X X - X X X

331

X X X X X X X X X

331

X X X X X

332

X X X X X X X X X X

332

(8) Power Supply Unit

333

<Location>

333

6.1 Toner Cartridge

342

6.2 OPC Belt Cartridge

343

6.3 Fusing Unit

344

6.4 Waste Toner Pack

345

6.5 Cleaning

345

&$87,21

346

6.6 Packing

347

7.1 Line Test Menu

349

7.2 Professional Menu

350

SAVE SETTINGS

351

SAVE FONT

351

SAVE MACRO

351

SPOOL PRINT

351

TRAYCOMMAND MODE

352

READOUT SELECT

352

FONT SELECT

352

PAPER&TRAY SIZE

356

PARALLEL MENU

356

REPRINT ON/OFF

356

AUTO HRC OFF

356

PROTECT OFF MODE

358

HP ESC E COMMAND

358

PS300RESO

358

COPY PAGES

358

PANEL RESET MODE

358

JOB TIMEOUT SEL

359

DEMO PAGE ON/OFF

359

JOB CANCEL TIME

359

PSCOPYPAGE

359

APPLEUSBPS

359

7.3 Reset Parts Life

360

7.4 Service Menu

361

--SERVICE MENU

362

ERROR HISTORY

362

MODIFY COUNT

363

RESET COUNT

363

Fig. A- 34

366

Preparation tool

367




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