Brother DCP-8045D Service Manual - Page 5

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Brother DCP-8045D Service Manual
TABLE OF CONTENTS
2.5 Drum
2.6 T oner Cartridge .............................................................................................................. 3-22
2.7 Print
CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY .............................. 4-1
1. S AFETY PRECAUTIONS ....................................................................................... 4-1
2. D ISASSEMBLY FLOW ........................................................................................... 4-2
3. DISASSEM BLY PROCEDURE ............................................................................... 4-3
3.1 AC
3.2 Drum
3.3 Paper
3.4
3.5
3.6
3.7 ADF
3.8 Doc ument Scanner......................................................................................................... 4-28
3.9 Panel
3.10 Rear Cover C (MFC-8440, DCP-8040 only)................................................................... 4-36
3.11 Outer Chute (MFC-8440, DCP-8040 only) ..................................................................... 4-37
3.12 Rear Cover MP ASSY / Outer Chute MP ASSY
3.13 Rear Cover L/R............................................................................................................... 4-39
3.14 Side Cover L/R ............................................................................................................... 4-40
3.15 J oint Cover ..................................................................................................................... 4-41
3.16 Front Cover ASSY (MFC-8440, DCP-8040 only) ........................................................... 4-45
3.17 MP Unit (MFC-8840D/8840DN, DCP-8045D/8045DN only) .......................................... 4-46
3.18 Rear Cover Sensor.........................................................................................................4-51
3.19 NCU (MFC-8440/8840D/8840DN only) .......................................................................... 4-52
3.20 Fix ing Unit....................................................................................................................... 4-53
3.21 Las er Unit ....................................................................................................................... 4-62
3.22 Main PCB ....................................................................................................................... 4-64
3.23 Base Plate / LV Insulation Sheet .................................................................................... 4-66
3.24 DX-Sensor PCB ASSY (MFC-8840D/8840DN, DCP-8045D/8045DN only)................... 4-67
3.25 Engine PCB .................................................................................................................... 4-68
3.26 High-voltage PS PCB ASSY........................................................................................... 4-69
3.27 Low-voltage PS PCB ASSY............................................................................................ 4-70
fineline6
2.4.9 Rear cover sensor .............................................................................................................3-21
2.4.10 HP sensor .........................................................................................................................3-21
Unit ....................................................................................................................... 3-22
2.5.1 Photosensitiv e drum..........................................................................................................3-22
2.5.2 Primary charger.................................................................................................................3-22
2.5.3 T ransfer roller ....................................................................................................................3-22
2.5.4 C leaner..............................................................................................................................3-22
Process .................................................................................................................. 3-22
2.7.1 Charging ............................................................................................................................3-22
2.7.2 Ex posure stage .................................................................................................................3-23
2.7.3 Dev eloping ........................................................................................................................3-24
2.7.4 T ransfer .............................................................................................................................3-24
2.7.5 Fix ing stage .......................................................................................................................3-25
Cord............................................................................................................................ 4-3
Unit ......................................................................................................................... 4-3
Tray........................................................................................................................ 4-4
DX Feed ASSY (MFC-8840D/8840DN, DCP-8045D/8045DN only) .............................. 4-14
Access Cover / Battery ................................................................................................... 4-17
Driver PCB Access Cover .............................................................................................. 4-18
Unit ......................................................................................................................... 4-19
Unit ....................................................................................................................... 4-33
(MFC-8840D/8840DN, DCP-8045D/8045DN only) ........................................................ 4-38
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