Brother MFC-4350 Service Manual Page 193
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- SERVICE MANUAL 1
- SAFETY INFORMATION 4
- CHAPTER I 5
- 1. EQUIPMENT OUTLINE 7
- 2. SPECIFICATIONS 9
- CHAPTER II 17
- FACSIMILE EQUIPMENT 19
- CHAPTER III 21
- 1. OVERVIEW 23
- 2. MECHANISMS 24
- 2.2 Laser Printing Mechanism 26
- 2.2.2 Print process mechanism 28
- 2.2.3 Heat-fixing mechanism 31
- III - 11 33
- 3. CONTROL ELECTRONICS 34
- III - 13 35
- 3.2 Main PCB 35
- III - 14 36
- III - 15 37
- 3.3 NCU PCB 37
- U.S.A. versions 37
- III - 16 38
- European versions 38
- III - 19 41
- CHAPTER IV 42
- 1. DISASSEMBLY/REASSEMBLY 45
- Tightening Torque List 46
- MFC-9550/MFC6650MC) 50
- 1.3 Document Guide Base 52
- (2) Open the top cover 59
- **For the FAX-8250P/MFC-9050 68
- 1.19 Gear Drive Unit 82
- 2. LUBRICATION 89
- [ 2 ] Control panel locks 90
- [ 4 ] Top cover lock spring 91
- [ 5 ] Gear drive unit 91
- CHAPTER V 92
- Within 2 seconds 94
- Maintenance-mode Functions 95
- Function/Menu key 96
- Mode key 96
- Stop key 96
- 3. DETAILED DESCRIPTION OF 97
- MAINTENANCE-MODE FUNCTIONS 97
- Test Pattern 1 101
- (Dial pulse setting) 104
- (Tone signal setting) 105
- (Dial tone setting 1) 113
- (Dial tone setting 2) 114
- (Busy tone setting) 117
- *1000 ms in Chinese versions 118
- Selector 7: Delay 118
- (Modem setting) 119
- (AUTO ANS facility setting) 120
- (REDIAL facility setting) 121
- (Function setting 1) 122
- (Function setting 3) 124
- (Transmission speed setting) 125
- * EP: Echo protection 126
- Selector 1: EP tone prefix 126
- (TAD setting 1) 127
- (ECM and caller ID setting) 128
- * ECM: Error correction mode 128
- (Communications setting) 129
- (TAD setting 3) 131
- (Function setting 4) 132
- (Function setting 6) 134
- (Function setting 7) 135
- (Function setting 8) 136
- (Function setting 10) 138
- (Function setting 11) 139
- (Function setting 13) 141
- Configuration List 143
- FAX2750/FAX-8250P 145
- MFC4350/MFC4650/MFC-9050 145
- MFC6650MC/MFC-9550 146
- FAX-8050P 146
- CHAPTER VI 151
- CONTENTS 152
- 1. ERROR INDICATION 153
- 2. TROUBLESHOOTING 165
- July ’98 174
- Printed in Japan 174
- MFC4350/MFC4650/MFC6650MC 175
- MFC-9050/MFC-9550 175
- LJ6106MFC/LJ6206MFC/L621 175
- EEPROM Customizing Codes 176
- (2) LJ6106MFC/LJ6206MFC/L621 177
- Appendix 2. Circuit Diagrams 179
- Main PCB 1/8 181
- Main PCB 2/8 182
- Main PCB 3/8 183
- Main PCB 4/8 184
- Main PCB 5/8 185
- Main PCB 6/8 186
- S P A M P 187
- Main PCB 8/8 188
- Switzerland/Denmark/Sweden) 190
- (France) 194
- Control Panel 1/2 195
- (FAX2750/FAX-8250P) 195
- (MFC4350/MFC4650/MFC6650MC/ 196
- MFC-9050/MFC-9550) 196
- Control Panel 2/2 197
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