Assembly And Disassembly - Kyocera ECOSYS FS-4300DN Service Manual

1-5 Assembly and disassembly

1-5-1 Precautions for assembly and disassembly........................................................................... 1-5-1
(1) Precautions....................................................................................................................... 1-5-1
(2) Drum unit .......................................................................................................................... 1-5-1
(3) Toner ................................................................................................................................ 1-5-1
(4) How to tell a genuine Kyocera toner container................................................................. 1-5-2
1-5-2 Outer covers .......................................................................................................................... 1-5-3
(1) Detaching and refitting the top cover................................................................................ 1-5-3
(2) Detaching and refitting the inlet cover and slot cover....................................................... 1-5-3
(3) Detaching and refitting the right upper cover.................................................................... 1-5-4
(4) Detaching and refitting the right lower cover .................................................................... 1-5-4
(5) Detaching and refitting the rear left cover......................................................................... 1-5-5
(6) Detaching and refitting the left upper cover...................................................................... 1-5-5
(7) Detaching and refitting the left lower cover ...................................................................... 1-5-6
(8) Detaching and refitting the rear cover .............................................................................. 1-5-6
1-5-3 Paper feed section................................................................................................................. 1-5-8
(1) Detaching and refitting the paper feed roller .................................................................... 1-5-8
(2) Detaching and refitting the retard roller ............................................................................ 1-5-8
(3) Detaching and refitting the MP paper feed pulley............................................................. 1-5-9
1-5-4 Developer section ................................................................................................................ 1-5-13
(1) Detaching and refitting the developer unit ...................................................................... 1-5-13
1-5-5 Drum section ....................................................................................................................... 1-5-15
(1) Detaching and refitting the drum unit.............................................................................. 1-5-15
(2) Detaching and refitting the chager roller unit.................................................................. 1-5-15
1-5-6 Transfer/separation section ................................................................................................. 1-5-16
(1) Detaching and refitting the transfer roller assembly ....................................................... 1-5-16
(2) Detaching and refitting the separation needle unit ......................................................... 1-5-17
1-5-7 Optical section ..................................................................................................................... 1-5-18
(1) Detaching and refitting the laser scanner unit ................................................................ 1-5-18
1-5-8 Fuser section ....................................................................................................................... 1-5-19
(1) Detaching and refitting the fuser unit.............................................................................. 1-5-19
1-5-9 ejection section .................................................................................................................... 1-5-21
(1) Detaching and refitting the ejection unit ......................................................................... 1-5-21
1-5-10 PWBs................................................................................................................................... 1-5-22
(1) Detaching and refitting the main PWB............................................................................ 1-5-22
(2) Detaching and refitting the engine PWB......................................................................... 1-5-22
(3) Detaching and refitting the relay-L PWB ........................................................................ 1-5-24
(4) Detaching and refitting the power source PWB.............................................................. 1-5-25
(5) Detaching and refitting the high voltage PWB ................................................................ 1-5-26
(6) Detaching and refitting the operation PWB .................................................................... 1-5-28
1-5-11 Others .................................................................................................................................. 1-5-29
(1) Detaching and refitting the main driving motor unit ........................................................ 1-5-29
(2) Detaching and refitting the paper feed driving motor unit............................................... 1-5-30
(3) Detaching and refitting the power source fan motor....................................................... 1-5-30
(4) Direction of installing the principal fan motors ................................................................ 1-5-31
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware ......................................................................................................... 1-6-1
1-6-2 Remarks on PWB replacement ............................................................................................. 1-6-2
(1) Engine PWB ..................................................................................................................... 1-6-2
2LV/2L1/2L2/2MS/2MT