Brother 1270N manuals

Brother 1270N User Manual (243 pages)

Brand: Brother | Category: Printers | Size: 4.97 MB |

English

Table of contents

SERVICE MANUAL

1

TABLE OF CONTENTS

4

APPENDICES

8

REGULATION

10

SAFETY INFORMATION

11

CHAPTER 1 GENERAL

13

CHAPTER 1 GENERAL

14

2. OVERVIEW

16

10/100BASE TX

16

L F A TEST

16

3. SPECIFICATIONS

17

3.2 Functions

18

3.5 Paper

20

3.6 Printing Area

23

1.1 Power Supply

25

1.2 Environment

25

2. UNPACKING

26

3. INSTALL THE PRINTER

27

Fig. 2-4

28

Fig. 2-5

28

Fig. 2-6

28

Fig. 2-7

28

3.2 For Windows

29

Users with No CD-ROM Drive

29

Fig. 2-12

30

Fig. 2-13

30

Parallel interface

30

98 only)

31

Fig. 2-17

32

Fig. 2-18

32

Fig. 2-19

32

Fig. 2-20

32

Fig. 2-21

33

Fig. 2-22

33

4. PAPER HANDLING

34

Fig. 2-25

35

Fig. 2-26

35

Fig. 2-27

36

5. CONTROL PANEL OPERATION

37

5.3 Drum LED Indications

38

5.4 Alarm LED Indications

38

5.6 Other Control Features

39

5.6.2 Test print mode

40

Fig. 2-29

41

Fig. 2-30

41

Fig. 2-31

41

42

1. ELECTRONICS

43

Fig. 3-2

44

HL-1270N

45

1.2 Main PCB Block Diagram

46

Fig. 3-5

47

1.3 Main PCB

49

Fig. 3-8

51

Fig. 3-9

52

Fig. 3-10

52

Fig. 3-12

54

Fig. 3-13

54

HL-1250/1270N

55

1.3.5 Optional RAM

56

Fig. 3-16

57

Fig. 3-17

57

Fig. 3-18

58

Fig. 3-19

58

Fig. 3-20

58

Fig. 3-21

58

Fig. 3-22

59

Fig. 3-23

59

Fig. 3-24

59

1.4 Engine PCB

60

1.6 Power Supply

61

Fig. 3-26

62

2. MECHANICS

63

Fig. 3-28

64

2.2 Paper Transfer

65

2.3 Sensors

66

2.4 Drum Unit

67

2.5 Toner Cartridge

67

2.6 Print Process

68

Surface Potential (V)

69

1. SAFETY PRECAUTIONS

71

3. DISASSEMBLY PROCEDURE

73

3.3 Paper Cassette

74

(1) Open the rear cover

80

3.5 Front Cover

81

3.6 Top Cover

82

3.7 Main Cover

83

3.8 Laser Unit

85

3.9 Drive Unit

86

3.10 Fixing Unit

88

Paper eject actuator

98

Fixing unit cover

98

Eject actuator spring

98

3.11 Base Plate

99

3.12 Main PCB ASSY

101

Fig. 4-55a

103

AC inlet ASSY

103

3.16 Panel PCB ASSY

106

3.17 Solenoid ASSY

106

3.18 Fan Motor ASSY

109

3.22 Paper Feed Roller ASSY

112

3.23 Outer Chute 1

113

4. PACKING

114

1. CONSUMABLE PARTS

115

1.2 Toner Cartridge

116

Fig. 5-4

117

Fig. 5-5

117

Fig. 5-6

117

3. PERIODICAL CLEANING

119

CAUTION:

120

4. MTBF / MTTR

121

1. INTRODUCTION

123

CHAPTER 6 TROUBLESHOOTING

124

The printer does not print

125

Printed page has a problem

125

2.1 Operator Calls

126

2.2 Service Calls

126

Time delay

127

: OFF : ON

127

3. ERROR MESSAGES

128

3.2 Error Message Printouts

130

4. PAPER PROBLEMS

131

4.2 Paper Jams

132

4.3 Paper Feeding Problems

134

F-1 Double feeding

134

F-2 Wrinkles or creases

134

F-3 Page skew

135

F-4 Curl or Wave

135

5. SOFTWARE SETTING PROBLEMS

136

(HL-1250 only)

138

(HL-1240/1250/1270N only)

138

6. MALFUNCTIONS

140

M-4 No paper supplied

141

M-7 BD failure

142

M-8 Scanner failure

143

M-9 Fuser failure

143

M-12 Engine interface error

144

7. IMAGE DEFECTS

145

I-1 Light

146

I-2 Dark

147

I-3 Completely blank

148

I-4 All black

149

I-5 Dirt on the back of paper

150

I-9 White vertical streaks

153

I-10 White horizontal stripes

153

I-11 Faulty registration

154

I-12 Poor fixing

154

I-13 Image distortion

155

I-14 Faint print

155

I-15 White spots

156

I-16 Black spots

158

I-17 Black band

158

I-18 Gray background

159

I-19 Hollow print

159

I-21 Horizontal lines

160

I-22 Light rain

161

I-23 Ghost

161

I-24 Toner specks

162

8. INCORRECT PRINTOUT

164

9.1 Installation Problem

167

9.2 Intermittent Problem

168

9.3 TCP/IP Troubleshooting

169

9.4 UNIX Troubleshooting

169

Troubleshooting

171

10. INSPECTION MODE

174

10.2 Inspection Mode

175

Fig. 6-12

176

Fig. 6-13

176

(HL-1250/1270N only)

176

X X X X X X G 9 J 1 1 1 1 0 1

179

9 F 3 0 J

179

F 9 9 1 0 0 1 0 4

179

E 9 0 0 1 0 2

180

F 9 9 6 0 0 1 9 9

180

2 1 0 0 1

180

APPENDIX

181

Fig. A-1

183

Page counter and

183

Fig. A-2

184

Drum Life

185

00000090909090909

185

MZ-L160003F000000

185

Fig. A-8

188

Fig. A-7

188

Fig. A-9

189

2. Diagnostics

190

Fig. A-12

191

3. Printer Information

192

Fig. A- 15

194

Cutting position

194

Plastic rib

194

Paper tray cover

194

AC INPUT

195

HALOGEN HEATER LAMP

196

CODE UK4352000

198

B512040CIR (1/2)

198

B512040CIR (2/2)

199

CODE UK4361000

200

B512049CIR (1/5)

200

B512049CIR (2/5)

201

B512049CIR

202

B512049CIR (4/5)

203

B512049CIR (5/5)

204

CODE UK4444000

205

B512059CIR

205

CODE LJ8107000

207

B512058CIR

207

Low-voltage PS Circuit

208

(110 - 120V)

208

(220 - 240V)

209

High-voltage PS Circuit

210

ENGINE PCB

212

PARTS REFERENCE LIST

219

B48K056 - 201A

220

CONTENTS

221

(LIGHT RECEPTION) B512037

222

PR2001023

223

3. PAPER FEEDER

225

4. FIXING UNIT

227

5. PAPER CASSETTE

230

HL-1270/1270N

234

T/I NO. PR99188 / PR2000113

236

T/I NO. PR99179 / PR2000055

238

MODEL HL-1270N 84U-Z03-150

241

PRT-001f

243

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