Brother HL-5450DNT manuals

Brother HL-5450DNT Service Manual (313 pages)

Brand: Brother | Category: Print & Scan | Size: 14.24 MB |

English

Table of contents

SERVICE MANUAL

1

TRADEMARKS

3

REGULATION

10

WARNING

11

CAUTION

11

Radio Interference

12

Important

13

SAFETY INFORMATION

16

To use the Machine Safely

17

HOT SURFACE

19

Additional Information

20

CHAPTER 1

21

CHAPTER 1 SPECIFICATIONS

22

1. SPECIFICATIONS LIST

23

<Computer requirements>

26

1.2 Network Connectivity

27

1.3 Service Information

28

1.4 Supplies

29

1.5 Paper

31

1.5.3 Type and size of paper

32

1.6 Printable Area

33

CHAPTER 2

34

CHAPTER 2 TROUBLESHOOTING

35

1. INTRODUCTION

37

 Operating environment

38

 Power supply

38

 Consumable parts

38

2. OVERVIEW

40

2.2 Paper Feeding

41

2.3 Operation of Each Part

42

2.4 Block Diagram

44

2.5 Main Components

45

3. ERROR INDICATIONS

46

3.2 Error Messages

52

3.3 LED Display (LED Model)

55

4. TROUBLESHOOTING

64

 Error code 0E00

65

 Error code 0F00

65

 Error codes 1000 to 1D00

65

 Error code 1E00

66

 Error codes 1F00 to 3500

66

 Error code 3600

66

 Error codes 3700 to 3A00

66

 Error code 3B00

67

 Error codes 3C00 to 4300

67

 Error code 4400

67

 Error codes 4500 to 4F00

67

 Error code 5000

68

 Error code 5100

68

Error code 5200

68

Error code 5300

68

 Error code 5400

68

 Error code 5500

69

 Error code 5600

69

 Error code 5700

70

 Error code 5800

71

Error code 5900

71

 Error codes 5A00 to 6200

71

 Error code 6300

72

 Error codes 6400 to 6600

72

 Error code 6700

72

 Error codes 6800 and 6900

72

 Error code 7000

74

 Error code 7100

74

Error code 7200

74

 Error codes 7300 and 7400

74

 Error code 7500

74

 Error code 7600

75

Error code 7800

75

 Error code 7A00

75

 Error codes 7B00 and 7C00

76

 Error code 7D00

76

 Error codes 7E00 to 8200

76

 Error code 8300

76

 Error code 8400

77

 Error code 8500

77

 Error codes 8600 and 8700

78

 Error code 8800

78

 Error code 8900

78

 Error code 8A00

79

Error code 8B00

79

 Error code 8C00

80

 Error code 8D00

80

 Error codes 8E00 and 8F00

80

 Error code 9000

81

Error code 9100

81

Error code 9200

81

 Error code 9300

81

 Error code 9400

82

 Error code 9500

82

 Error code 9600

83

 Error codes 9700 and 9800

83

 Error code 9900

83

 Error code 9A00

84

 Error codes 9B00 to A000

84

 Error code A100

85

 Error codes A200 to BF00

85

 Error code C000

85

 Error codes C100 to C600

86

 Error code C700

86

Error code C800

86

 Error code C900

86

 Error codes CA00 to DC00

87

 Error code DD00

87

 Error code DE00

88

 Error code DF00

88

 Error code E000

88

 Error code E100

88

 Error code E200

89

 Error codes E300 and E400

89

 Error code E600

89

 Error codes E700 to EB00

90

 Error code EC00

90

 Error code ED00

90

 Error code EE00

90

 Error code EF00

91

 Error code F000

91

 Error codes F100 to F800

91

 Error code F900

92

 Error codes FA00 to FF00

92

4.2.2 Paper becomes wrinkled

93

4.2.5 Paper is curled

94

4.3.1 Image defect examples

95

Fig. 2-6

97

Fig. 2-7

97

 Faulty registration

98

 Poor fixing

99

 Completely blank

99

 Image distortion

100

 All black

100

 Dirt on the back of paper

101

 Vertical streaks

101

 Black band

102

 White horizontal streaks

103

 Black horizontal stripes

104

 Faint print

105

 White spots

106

 Black spots

107

 Fogging

108

4.4.1 Cannot print data

109

Confidential

110

4.6.2 LEDs are not activated

111

4.7.3 Drum error

112

4.8.1 Fuser unit failure

113

4.9.1 Laser unit failure

114

4.10.1 Main PCB failure

115

4.11.3 Main motor failure

116

CHAPTER 3

117

CONTENTS

118

1. SAFETY PRECAUTIONS

120

2. PACKING

121

Screw pan (S/P washer)

122

Screw pan

122

Screw bind

122

4. SCREW TORQUE LIST

123

5. LUBRICATION

125

Fig. 3-5

126

Fig. 3-6

126

Fig. 3-7

127

Fig. 3-8

127

7. HARNESS ROUTING

128

1 Main PCB ASSY

128

2 Relay front PCB ASSY

129

3 Fuser unit

130

5 Toner LED PCB ASSY/Main fan

131

6 Laser unit

131

9. DISASSEMBLY PROCEDURE

134

9.2 Paper tray 1

135

Fig. 3-12

136

9.3 Back cover / Outer chute

137

9.4 Fuser cover

138

9.5 MP cover ASSY

139

9.6 Front cover ASSY

140

Fig. 3-20

141

9.8 Side cover R

142

9.9 Top cover ASSY

143

Fig. 3-23

144

9.10 Control panel

145

 LCD model

146

Fig. 3-26

147

9.11 Paper stack lever

148

Fig. 3-28

149

9.13 Fuser unit

150

Fig. 3-30

151

Fig. 3-31

151

Fig. 3-32

152

Fig. 3-33

152

9.14 Main PCB ASSY

153

Fig. 3-35

154

9.15 Laser unit

155

Fig. 3-37

156

Fig. 3-38

157

Fig. 3-39

158

Fig. 3-40

158

9.17 Toner LED PCB ASSY

159

Fig. 3-42

160

9.18 Main fan

161

Fig. 3-44

162

9.19 Air duct / Filter

163

9.20 Relay front PCB ASSY

164

Fig. 3-47

165

9.22 Main frame L ASSY

166

Fig. 3-49

167

9.23 Main motor ASSY

168

Fig. 3-51

169

Fig. 3-52

170

9.25 LT drive gear 29

171

9.26 Toner sensor PCB ASSY

172

9.27 MP solenoid

173

Fig. 3-56

174

9.29 New toner actuator

175

9.30 Fuser drive gear 39

176

Fig. 3-59

177

9.31 Duplex solenoid

178

9.32 Back cover sensor

179

9.33 LT connector (T1)

180

9.34 T1 roller holder ASSY

181

Fig. 3-64

182

Fig. 3-65

183

Fig. 3-66

184

9.36 Eject sensor PCB ASSY

185

Fig. 3-68

186

Fig. 3-69

187

Fig. 3-70

188

Fig. 3-71

189

Fig. 3-72

190

Fig. 3-73

191

Fig. 3-74

192

Fig. 3-75

193

Fig. 3-76

194

10.1 Paper tray 2

195

Fig. 3-79

196

10.2 T2 roller holder ASSY

197

10.3 T2 side cover L

198

10.4 T2 side cover R

199

10.5 T2 front cover ASSY

200

10.6 T2 relay PCB ASSY

201

10.7 T2 clutch

202

Fig. 3-88

203

Fig. 3-89

203

Fig. 3-90

204

Fig. 3-91

204

Fig. 3-92

205

Fig. 3-93

206

10.9 T2 back cover

207

10.10 LT connector ASSY (T2)

208

CHAPTER 4

209

 What you need to prepare

211

LED model

214

LCD model

214

Fig. 4-1

216

Fig. 4-2

219

POWER SUPPLY PCB ASSY

220

REPLACEMENT PARTS

222

CHAPTER 5

223

CHAPTER 5 SERVICE FUNCTIONS

224

1. MAINTENANCE MODE

226

<Function>

231

<Operation Procedure>

231

WSWXX = 0 0 0 0 0 0 0 0

233

 Order of pressing buttons

236

 Location of sensors

240

Fig. 5-6

246

Fig. 5-7

248

Fig. 5-8

250

<Country code list>

253

1.4.1 Test printing

260

1.4.2 Print font list

261

1.4.4 HEX Dump mode

261

1.4.8 Check sensor operation

263

Fig. 5-13

264

1.4.11 Print EEPROM Dump

265

1.4.12 Check RAM

265

Fig. 5-14

266

Fig. 5-15

268

1.4.17 Maintenance printing

269

(First side) (Second side)

271

1.4.22 USB speed lock mode

272

2. PRINTER SETTINGS

274

•LCD model

275

 Printer Settings (1st page)

276

 Printer Settings (2nd page)

276

 Life of toner cartridge

277

 Life of drum unit

280

3. OTHER SERVICE FUNCTIONS

282

 Change USB No. return value

284

Model only)

286

CHAPTER 6

287

CHAPTER 6 WIRING DIAGRAM

288

1. WIRING DIAGRAM

289

CHAPTER 7

290

2.1 Preparation

293

2.2 Fuser unit

294

Fig. 7-4

295

Fig. 7-5

295

Fig. 7-6

296

Fig. 7-7

296

Fig. 7-8

297

2.3 Laser unit

298

Fig. 7-11

299

Fig. 7-12

299

Fig. 7-13

300

Fig. 7-14

301

Fig. 7-15

302

2.4 MP paper feeding kit

303

2.5 Paper feeding kit 1

304

Fig. 7-19

305

2.6 Paper feeding kit 2

306

Fig. 7-22

307

Fig. 7-23

307

APPENDIX 1

308

<How to Read>

309

<Location>

309

APPENDIX 2

310

<Operating Procedure>

311

 Common to all models

311

APPENDIX 3

312

Brother HL-5450DNT User Manual (2 pages)

Brand: Brother | Category: Print & Scan | Size: 4.09 MB |

English

Table of contents

BUSINESS

1

HL-5450DNT is the high speed

2

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