Brother HL-L2361DN Service Manual Page 91
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Confidential
4.5 Troubleshooting for Network Problems
4.5.1 Cannot print via network connection
4.5.2 Cannot connect to access point
<User Check>
- Check the relevant section in the Network Setting Guide.
- Check the network connection.
- Reset the network. (Refer to the User's Guide.)
- Check the LAN cable.
Step Cause Remedy
1
Wireless LAN PCB failure Replace the wireless LAN PCB.
2
Deformed LAN terminal pin
Main PCB failure
Replace the main PCB ASSY.
<User Check>
- Check the wireless LAN settings.
- Check the access point settings.
- Change the machine installation location.
- Set the access point manually.
Step Cause Remedy
1
Invalid wireless LAN setting Enable the WSW54 selector 4 setting.
- SERVICE MANUAL 1
- Trademarks 2
- Open Source Licensing Remarks 3
- Copyright and License 3
- Other Information 3
- CONTENTS 4
- REGULATION 9
- CAUTION 10
- International ENERGY STAR 11
- Qualification Statement 11
- (USA only) 11
- IMPORTANT 12
- WARNING 13
- SAFETY INFORMATION 14
- To use the Machine Safely 15
- HOT SURFACE 17
- CHAPTER 1 SUPPLEMENTAL 18
- SPECIFICATIONS 18
- 3. SERVICE INFORMATION 20
- 2. NETWORK CONNECTIVITY 20
- 4. SUPPLIES 21
- TROUBLESHOOTING 23
- Operating environment 24
- Power supply 24
- Consumable parts 24
- Warning 25
- 2. OVERVIEW 26
- 2.2 Paper Feeding 27
- 2.3 Operation of Each Part 28
- 2.4 Block Diagram 29
- 2.5 Main Components 30
- 3.1 Error Codes 31
- 3.2 Error Messages 38
- 3.3 LED Display (LED Models) 41
- 4. TROUBLESHOOTING 48
- Error code 0300 49
- Error code 0305 49
- Error code 0401 49
- Error code 0405 49
- Error code 0501 50
- Error code 0502 50
- Error code 0503 50
- Error code 0504 50
- Error code 0505 50
- Error code 0506 51
- Error code 050A 52
- Error code 050B 52
- Error code 050C 52
- Error code 050F 52
- Error code 0600 53
- Error code 0900 53
- Error code 0A02 54
- Error code 0B01 54
- Error code 0B02 54
- Error code 4000 55
- Error code 4200 55
- Error code 4B01 55
- Error code 4C01 56
- Error code 4D01 56
- Error code 4E01 56
- Error code 4F01 56
- Error code 6001 57
- Error code 6004 57
- Error code 6101 58
- Error code 6801 58
- Error code 6901 59
- Error code 6902 59
- Error code 6A00 60
- Error code 6F00 61
- Error code 7000 61
- Error code 7100 62
- Error code 7300 62
- Error code 7700 63
- Error code 7C00 63
- Error code 8000 64
- Error code 8903 64
- Error code 8904 64
- Error code 8A01 65
- Error code 8C00 65
- Error code 9002 66
- Error code 9302 66
- Error code 9701 66
- Error code F900 68
- 4.2.4 Paper becomes wrinkled 71
- Fig. 2-7 72
- 4.2.6 Paper is curled 73
- 4.2.8 Paper jam 74
- 4.3.1 Image defect examples 78
- Faulty registration 79
- Poor fixing 80
- Completely blank 81
- Image distortion 81
- All black 82
- Dirt on the paper 82
- Vertical streaks 83
- Horizontal streaks 84
- White vertical streaks 85
- White horizontal streaks 85
- Faint print 85
- White spots 86
- Single-colored dot or dirt 87
- Black band 87
- Horizontal lines 88
- Fogging 89
- 4.4.1 Cannot receive data 90
- 4.7.4 Drum error 94
- 4.8.1 Fuser unit failure 95
- 4.9.1 Laser unit failure 95
- 4.10.1 Main PCB failure 96
- 4.10.2 Memory full 96
- 4.11.1 Cannot print 97
- 4.11.2 Cannot update firmware 97
- 1. SAFETY PRECAUTIONS 98
- 2. PACKING 99
- Fig. 3-2 100
- 4. SCREW TORQUE LIST 101
- 5. LUBRICATION 102
- Fig. 3-4 103
- Fig. 3-5 103
- Fig. 3-6 104
- Fig. 3-7 104
- 7. HARNESS ROUTING 105
- 1 Right side of the machine 105
- 4 Left side of the machine 108
- 5 Rear side of the machine 109
- Confidential 110
- 9. DISASSEMBLY PROCEDURE 111
- 9.2 Back Cover 112
- 9.3 Outer Chute ASSY 113
- 9.4 Front Cover ASSY 114
- 9.5 Side Cover R 115
- 9.6 Fuser Cover 116
- 9.7 Inner Chute ASSY 117
- 9.8 Side Cover L 118
- 9.9 Top Cover ASSY 119
- Fig. 3-17 120
- Fig. 3-18 121
- 9.10 Fuser Unit 122
- Fig. 3-21 123
- Fig. 3-22 123
- Fig. 3-23 124
- Fig. 3-24 125
- 9.12 Fan 126
- Fig. 3-26 127
- Fig. 3-27 128
- Fig. 3-28 128
- 9.14 Filter 129
- 9.15 Laser Unit 130
- Fig. 3-31 131
- Fig. 3-32 131
- Fig. 3-33 132
- Fig. 3-34 132
- 9.17 Roller Holder ASSY 133
- 9.18 Main PCB ASSY 134
- Fig. 3-38 135
- Fig. 3-39 135
- Fig. 3-40 136
- 9.21 Main Frame L ASSY 137
- Fig. 3-42 138
- 9.22 Main Motor 139
- Fig. 3-45 140
- Fig. 3-46 140
- 9.23 Fuser Gear 67R/40R 141
- 9.24 Eject Sensor PCB ASSY 142
- Fig. 3-49 143
- Fig. 3-50 144
- Fig. 3-51 145
- Fig. 3-52 146
- Fig. 3-53 146
- SETTINGS AS REQUIRED 147
- AFTER PARTS 147
- REPLACEMENT 147
- 1.1.2 Installing firmware 149
- Setting by Spec (LCD Models) 150
- Laser Unit 151
- POWER SUPPLY PCB ASSY 152
- What you need to prepare 153
- <Operating Procedure> 154
- Common to all models 154
- CHAPTER 5 SERVICE FUNCTIONS 155
- <Function> 160
- (function code: 10, 11) 162
- WSWXX = 0 0 0 0 0 0 0 0 163
- ■ Order of pressing keys 166
- Location of sensors 169
- Change USB No. return value 171
- Fig. 5-6 175
- Frame pattern 176
- Test pattern 179
- Setting by spec code list 181
- Maintenance information 182
- 1.4.1 Test printing 188
- 1.4.4 Quiet mode 190
- 1.4.7 Check sensor operation 191
- 1.4.9 Check RAM 192
- 1.4.12 Maintenance printing 194
- 2. OTHER SERVICE FUNCTIONS 197
- (LCD models only) 198
- 2.3 Print Printer Settings 199
- CHAPTER 6 WIRING DIAGRAM 200
- A 4 N 1 1 1 1 0 1 202
- INFORMATION 203
- PRINTER DRIVER 204
- App. 3-2 205
- App. 3-3 206
- App. 3-4 207
- Printer icon is shown 207
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