Confidential
9.9.11 ADF cover/document detection sensor PCB ASSY /
First side document scanning position sensor PCB ASSY /
Second side document scanning position sensor PCB ASSY
(duplex scanning models only).................................................................... 3-45
9.9.12 Drive frame ASSY / Document feed roller ASSY 1 .....................................3-47
9.9.13 ADF motor ASSY ........................................................................................3-52
9.9.14 First side document hold .............................................................................3-52
9.10 Panel cover / Printed panel cover............................................................................. 3-53
9.11 Document scanner unit ............................................................................................. 3-60
9.11.1 First side CIS unit ........................................................................................3-62
9.12 Joint cover.................................................................................................................3-67
9.13 Wireless LAN PCB ASSY ......................................................................................... 3-68
9.14 USB host PCB ASSY................................................................................................ 3-68
9.15 Speaker unit .............................................................................................................. 3-69
9.16 NCU PCB ASSY ....................................................................................................... 3-70
9.17 Main PCB ASSY ....................................................................................................... 3-71
9.18 Fuser unit..................................................................................................................3-73
9.19 Laser unit ..................................................................................................................3-76
9.20 Low-voltage power supply PCB ASSY ..................................................................... 3-77
9.21 Toner LED PCB ASSY .............................................................................................. 3-80
9.22 Main fan ....................................................................................................................3-82
9.23 Air duct / Filter...........................................................................................................3-84
9.24 Relay front PCB ASSY.............................................................................................. 3-85
9.25 Registration clutch / T1 clutch................................................................................... 3-86
9.26 Main frame L ASSY .................................................................................................. 3-87
9.27 Main motor ASSY ..................................................................................................... 3-89
9.28 Develop joint gear 37 / Develop joint ........................................................................ 3-91
9.29 LT drive gear 29 ........................................................................................................ 3-92
9.30 Toner sensor PCB ASSY .......................................................................................... 3-93
9.31 MP solenoid .............................................................................................................. 3-94
9.32 Develop clutch 51R / Develop one way clutch 53..................................................... 3-95
9.33 New toner actuator.................................................................................................... 3-96
9.34 Internal temperature thermistor................................................................................. 3-97
9.35 Fuser drive gear 39................................................................................................... 3-98
9.36 Duplex solenoid ...................................................................................................... 3-100
9.37 Back cover sensor .................................................................................................. 3-101
9.38 LT connector (T1).................................................................................................... 3-102
9.39 T1 roller holder ASSY ............................................................................................. 3-103
9.40 High-voltage power supply PCB ASSY................................................................... 3-104
9.41 Eject sensor PCB ASSY ......................................................................................... 3-107
9.42 MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring .... 3-108
9.43 T1 paper feed sensor PCB ASSY /
T1 paper feed actuator / T1 paper feed actuator spring ......................................... 3-109
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