Brother HLL3290CDW Service Manual page 6

9.5 Fuser cover ASSY / Fuser unit ................................................................................. 3-32
9.6 Cord hook ................................................................................................................. 3-37
9.7 Side cover L.............................................................................................................. 3-38
9.8 Side cover R ............................................................................................................. 3-39
9.9 Back cover lower ...................................................................................................... 3-40
9.10 Document scanner unit........................................................................................... 3-41
9.11 ADF unit (For models with ADF) ............................................................................. 3-44
9.11.1 ADF unit ......................................................................................................... 3-44
9.11.2 Document separation roller ASSY ................................................................. 3-47
9.11.3 ADF separation holder ASSY ........................................................................ 3-49
9.11.4 Second side CIS unit / Second side CIS flat cable
(Only for models with duplex scanning) ......................................................... 3-50
9.11.5 Document detection sensor PCB /
Document scanning position sensor PCB ..................................................... 3-55
9.12 Document cover ASSY (For models without ADF) ................................................. 3-56
9.13 Panel unit................................................................................................................ 3-58
9.13.1 Key PCB / Panel PCB / Touch panel ASSY / LCD ........................................ 3-59
9.13.2 Panel PCB / LCD ASSY ................................................................................ 3-61
9.14 Panel flat cable / First side CIS unit / First side CIS flat cable................................ 3-63
9.15 Modem flat cable / Modem PCB ............................................................................. 3-70
9.16 Joint cover ASSY.................................................................................................... 3-71
9.17 LED unit.................................................................................................................. 3-74
9.18 Speaker unit............................................................................................................ 3-76
9.19 NFC PCB................................................................................................................ 3-77
9.20 LED control flat cable / LED control PCB ............................................................... 3-79
9.21 LED ASSY (Y/M/C/K) / LED ASSY flat cable (Y/M/C/K) ........................................ 3-82
9.22 MP paper guide ASSY / MP cover ASSY / USB host PCB
(Only for MP models).............................................................................................. 3-85
9.23 MP roller holder ASSY (Only for MP models)......................................................... 3-89
9.24 MP unit (Only for MP models) ................................................................................ 3-91
9.25 Manual feed cover ASSY / USB host PCB (Only for Manual feed models)............ 3-92
9.26 High-voltage power supply PCB / Develop release sensor PCB............................ 3-94
9.27 Fan ......................................................................................................................... 3-97
9.28 WLAN PCB............................................................................................................. 3-98
9.29 Main PCB ............................................................................................................... 3-99
9.30 Cartridge sensor relay flat cable ........................................................................... 3-101
9.31 Develop release clutch / Process drive unit / High-voltage power supply flat cable /
Process motor flat cable / Paper feed motor flat cable .......................................... 3-102
9.32 T1 pick-up clutch / Registration clutch / Paper feed drive unit...............................3-111
9.33 Eject sensor PCB ................................................................................................. 3-113
iv
Confidential