Brother HL-1040 Manuel d'utilisateur Page 50
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III-1
CHAPTER III DISASSEMBLY AND REASSEMBLY
1. SAFETY PRECAUTIONS
To avoid creating secondary problems by mishandling, be careful to follow the following
precautions during maintenance work.
(1) Always turn off the power switch and unplug the power cord from the power outlet
before accessing any parts inside the printer.
(2) Be careful not to lose screws, washers, or other parts removed.
(3) Be sure to apply grease to the gears and applicable positions specified in this
chapter.
(4) When using soldering irons or other heat-generating tools, take care not to
accidentally damage parts such as wires, PCBs, and covers.
(5) Before handling any PCBs, touch a metal portion of the equipment to discharge
any static electricity charge on your body, or the electronic parts or components
may be damaged.
(6) When transporting PCBs, be sure to wrap them in the correct protective packaging.
(7) Be sure to replace self-tapping screws correctly, if removed. Unless otherwise
specified, tighten screws to the following torque values.
TAPTITE, BIND or CUP B
M3 : 7kgf • cm
M4 : 10kgf • cm
TAPTITE, CUP S
M3 : 8kgf • cm
SCREW
M3 : 7kgf • cm
M4 : 8kgf • cm
(8) When connecting or disconnecting cable connectors, hold the connector body, not
the cables. If the connector has a lock, release the connector lock first to release
it.
(9) After a repair, check not only the repaired portion but also all connectors. Also
check that other related portions are functioning properly before operational
checks.
- APPENDICES 6
- 1. FEATURES 7
- 2. SPECIFICATIONS 9
- 69.8 to 229 mm 11
- 105 to 356mm (face down) 11
- Feeding direction 11
- 2.7 Effective Printing Area 13
- Printable area 13
- 3. SAFETY INFORMATION 15
- Fig. 1-1 16
- Fig. 1-2 16
- 1. ELECTRONICS 17
- Low-voltage power 18
- supply block 18
- High-voltage power 18
- supply block 18
- 1.2 Main PCB Block Diagram 20
- HL-820/1020 20
- Fig. 2-5 21
- Fig. 2-6 22
- Fig. 2-7 23
- Fig. 2-8 24
- CPU Receive Mode 26
- DMA Receive Mode 26
- (11) Engine control I/O 27
- Fig. 2-11 31
- Fig. 2-12 31
- Fig. 2-13 32
- Fig. 2-14 32
- Fig. 2-15 33
- Fig. 2-16 34
- Fig. 2-17 34
- Fig. 2-18 34
- Fig. 2-19 35
- Fig. 2-20 35
- Fig. 2-21 35
- Fig. 2-22 36
- 1.3.10 Engine I/O 37
- HL-820/1020/1040 37
- Fig. 2-24 38
- Fig. 2-25 39
- Fig. 2-26 39
- Fig. 2-27 40
- Fig. 2-28 41
- 2. MECHANICS 42
- 2.5.2 Exposure Stage 47
- 1. SAFETY PRECAUTIONS 50
- 2. DISASSEMBLY FLOW 51
- 3. DISASSEMBLY PROCEDURE 52
- 3.5 MP Sheet Feeder ASSY 54
- 3.7 Scanner Unit 57
- Caution: 59
- 3.10 Panel Sensor PCB ASSY 60
- (1) Remove the main shield 60
- 3.15 Drive Unit 64
- PR980109 64
- 4. PACKING 67
- 1. INTRODUCTION 68
- 2. CONSUMABLE PARTS 70
- 3. IMAGE DEFECTS 71
- I-1 Light 72
- I-2 Dark 73
- I-3 Completely blank 74
- I-4 All black 75
- I-5 Dirt on the back of paper 76
- (Fig.4-5) 77
- I-9 White vertical streaks 78
- I-10 Faulty registration 78
- I-11 Poor fixing 79
- I-12 Image distortion 79
- I-13 Faint print 80
- I-14 White spots 80
- I-15 Black spots 81
- I-16 Black band 82
- I-17 Gray background 83
- I-18 Hollow print 83
- I-20 Horizontal lines 84
- I-21 Light rain 85
- I-22 Ghost 85
- Fig. 4-7 87
- Feed shaft roller 87
- For feed roller 87
- 4. PAPER JAM 88
- P8-1 P8-4 Approx. 24V 89
- P8-2 P8-3 Approx. 5V 89
- M-3 Main motor unrotated 90
- M-4 No paper supplied 90
- M-7 BD failure 91
- M-8 Scanner failure 92
- F-1 Double feeding 93
- F-2 Wrinkles 93
- 6. INSPECTION MODE 94
- Fig. 4.8 95
- Fig. 4-9 96
- SERIAL I/F 100
- CODE UK4007000 101
- B48K312CIR 101
- CODE UK4041000 103
- B512001CIR 103
- CODE UK4010000 108
- B48K303CIR 108
- Low-voltage 109
- PS Circuit (110 - 120V) 109
- PS Circuit (220 - 240V) 110
- High-voltage PS CircuitNAME 113
- Drum Life 115
- 00000030303030202 115
- PARTS REFERENCE LIST 117
- B48K056 - 201A 118
- CONTENTS 119
- (Legend model only) 120
- T/I NO. PR98176 123
- MODEL: LT-24CL 133
- MODEL LT-24CL 54S-X06 137
- REGULATIONS 142
- CLASS 1LASER PRODUCT 143
- APPAREIL Å LASER DE CLASSE 1 143
- LASER KLASSE 1 PRODUKT 143
- SAFETY INSTRUCTIONS 144
- 1. PRODUCT OUTLINE 148
- 2. SPECIFICATIONS 149
- 3. INSTALLATION 150
- 3.2 Unpacking 151
- 3.3 Installation Procedures 152
- INSTALLATION 153
- 4. MAINTENANCE 157
- 5. DISASSEMBLY 158
- 5.2 Paper Size Sensor (PSU) 159
- 5.3 Paper Feeding Clutch 159
- DISASSEMBLY 160
- 6. CLEARING PAPER JAMS 161
- GENERAL DRAWING 162
- Quick Setup Guide 173
- To Use the Printer Safely 174
- Action 2: Place the printer 177
- Starter Sheet 178
- Troubleshooting 184
- Printing a Test Sample Page 186
- LAMPS AND SWITCH 195
- REPLACING THE TONER CARTRIDGE 198
- REPLACING THE DRUM UNIT 201
- ALARM INDICATIONS AT A GLANCE 204
- PRINTER SPECIFICATIONS 209
- Disconnect device 212
- For Finland and Sweden 212
- LUOKAN 1 LASERLAITE 212
- KLASS 1 LASER APPARAT 212
- Re-pack the printer 213
- HL-800/1000 Series 215
- TABLE OF CONTENTS 216
- Inside the Printer 218
- Shipment of the Printer 219
- CHAPTER 1 221
- INTRODUCTION 221
- ABOUT YOUR PRINTER 222
- Features 223
- Power Supply 227
- Environment 227
- CHAPTER 2 229
- PAPER HANDLING 229
- USER’S GUIDE 230
- CHAPTER 2 PAPER HANDLING 231
- Fig. 2-1 Fan the Paper and 231
- Straighten the Paper 231
- Fig. 2-2 Envelopes 232
- Fig. 2-3 Printable Area 232
- MULTI-PURPOSE SHEET FEEDER 233
- MANUAL FEED SLOT 237
- CHAPTER 3 240
- CONTROL PANEL 240
- CHAPTER 3 CONTROL PANEL 242
- CHAPTER 4 244
- CHAPTER 4 OPTIONS 246
- MAINTENANCE 253
- CHAPTER 5 253
- CHAPTER 5 MAINTENANCE 255
- Fig. 5-3 Inside the Printer 255
- Fig. 5-13 Inside the Printer 260
- CLEANING THE PRINTER 263
- Fig. 5-21 Inside the Printer 264
- Scanner Window 265
- RE-PACKING THE PRINTER 267
- CHAPTER 6 269
- TROUBLESHOOTING 269
- CHAPTER 6 TROUBLESHOOTING 271
- PAPER JAMS 273
- Q & A 276
- Print Quality 282
- CHAPTER 7 285
- APPENDIX 285
- CHAPTER 7 APPENDIX 287
- RESIDENT FONTS 291
- SYMBOL SETS/CHARACTER SETS 293
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