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RESOLUÇÃO DE PROBLEMAS
MARCADORES
Avaliado
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/ 5. Com base em
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CHAPTER 5 PERIODIC MAINTENANCE
5-7
4.
MTBF / MTTR
The meantime between failure (MTBF) and the meantime to repair (MTTR) for this printer are
as follows;
MTBF:
Up to 4,000 hours
MTTR:
Average 30 minutes
1
2
...
116
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...
242
243
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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