Kyocera TASKalfa 3050ci Service Manual page 13

1-5-8 Drive section ........................................................................................................................ 1-5-70
(1) Detaching and refitting the drum drive unit K and the drum drive unit MCY................... 1-5-70
(2) Detaching and refitting the main drive unit ..................................................................... 1-5-73
(3) Detaching and refitting the fuser drive unit, transfer drive unit and feed drive unit......... 1-5-74
(4) Detaching and refitting the lift motor 1 and 2.................................................................. 1-5-80
1-5-9 Others .................................................................................................................................. 1-5-81
(1) Detaching the eject filter ................................................................................................. 1-5-81
(2) Detaching and refitting the toner filter............................................................................. 1-5-82
(3) Detaching and refitting the fan filter................................................................................ 1-5-83
(4) Detaching and refitting the transfer belt filter.................................................................. 1-5-84
(5) Detaching and refitting the DU filter................................................................................ 1-5-85
(6) Detaching and refitting the left filter ................................................................................ 1-5-86
(7) Detaching and refitting the hard disk unit ....................................................................... 1-5-87
(8) Direction of installing the principal fan motors ................................................................ 1-5-89
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware ......................................................................................................... 1-6-1
1-6-2 Remarks on main PWB replacement..................................................................................... 1-6-2
1-6-3 Remarks on engine PWB replacement ................................................................................. 1-6-4
2-1 Mechanical Construction
2-1-1 Paper feed/conveying section ............................................................................................... 2-1-1
(1) Cassette paper feed section............................................................................................. 2-1-1
(2) MP tray paper feed section............................................................................................... 2-1-3
(3) Paper conveying section .................................................................................................. 2-1-5
2-1-2 Drum section ......................................................................................................................... 2-1-8
2-1-3 Developer section ................................................................................................................ 2-1-10
2-1-4 Optical section ..................................................................................................................... 2-1-12
(1) Image scanner section ................................................................................................... 2-1-12
(2) Laser scanner section .................................................................................................... 2-1-14
2-1-5 Transfer/Separation section ................................................................................................ 2-1-16
(1) Intermediate transfer unit section ................................................................................... 2-1-16
(2) Secondary transfer roller section.................................................................................... 2-1-18
2-1-6 Fuser section ....................................................................................................................... 2-1-20
2-1-7 Eject/Feedshift section ........................................................................................................ 2-1-22
2-1-8 Duplex conveying section .................................................................................................... 2-1-24
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ............................................................................................................ 2-2-1
(1) PWBs................................................................................................................................ 2-2-1
(2) Switches and sensors....................................................................................................... 2-2-4
(3) Motors............................................................................................................................... 2-2-6
(4) Fan motors ....................................................................................................................... 2-2-8
(5) Others............................................................................................................................. 2-2-10
2-3 Operation of the PWBs
2-3-1 Main PWB.............................................................................................................................. 2-3-1
2-3-2 Engine PWB ........................................................................................................................ 2-3-12
2-3-3 Power source PWB ............................................................................................................. 2-3-38
2-3-4 ISC PWB ............................................................................................................................. 2-3-46
2-3-5 Operation PWB 1................................................................................................................. 2-3-51
2-3-6 Front PWB ........................................................................................................................... 2-3-56
2-3-7 Feed PWB 1 ........................................................................................................................ 2-3-65
2LK/2LN/2LM/2LC