Advertisement
1-5-7 Fuser section ....................................................................................................................... 1-5-17
(1) Detaching and refitting the fuser unit.............................................................................. 1-5-17
1-5-8 Drive section ........................................................................................................................ 1-5-18
(1) Detaching and refitting the drive unit 1 ........................................................................... 1-5-18
(2) Detaching and refitting the drive unit 2 ........................................................................... 1-5-19
(3) Detaching and refitting the drive unit 3 ........................................................................... 1-5-19
1-5-9 Optical section ..................................................................................................................... 1-5-20
(1) Detaching and refitting the laser scanner unit ................................................................ 1-5-20
(2) Checks and adjusts the assembly frame of LSU unit ..................................................... 1-5-21
(3) Color registration adjustment.......................................................................................... 1-5-22
(4) Detaching and refitting the image scanner unit .............................................................. 1-5-25
(5) Detaching and refitting the LED unit............................................................................... 1-5-28
(6) The cautions at the time of movement of an exposure unit............................................ 1-5-30
1-5-10 PWBs................................................................................................................................... 1-5-31
(1) Detaching and refitting the main PWB............................................................................ 1-5-31
(1-1) Remarks on main PWB replacement .................................................................... 1-5-33
(2) Detaching and refitting the engine PWB......................................................................... 1-5-36
(2-1) Remarks on engine PWB replacement ................................................................. 1-5-38
(3) Detaching and refitting the high voltage PWB ................................................................ 1-5-39
(4) Detaching and refitting the power source PWB.............................................................. 1-5-47
(5) Detaching and refitting the operation panel PWB main.................................................. 1-5-48
(6) Detaching and refitting the IH PWB................................................................................ 1-5-51
1-5-11 Others .................................................................................................................................. 1-5-52
(1) Detaching and refitting the language sheet .................................................................... 1-5-52
(2) Detaching and refitting the conveying unit...................................................................... 1-5-53
(3) Direction of installing the principal fan motors ................................................................ 1-5-55
1-6 Upgrading the firmware
1-6-1 Upgrading the firmware ......................................................................................................... 1-6-1
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) Conveying section ............................................................................................................ 2-1-4
2-1-2 Drum section ......................................................................................................................... 2-1-5
2-1-3 Developing section ................................................................................................................ 2-1-7
2-1-4 Optical section ....................................................................................................................... 2-1-9
(1) Image scanner section ..................................................................................................... 2-1-9
(2) Laser scanner section .................................................................................................... 2-1-11
2-1-5 Transfer/Separation section ................................................................................................ 2-1-13
(1) Intermediate transfer unit section ................................................................................... 2-1-13
(2) Secondary transfer roller section.................................................................................... 2-1-15
2-1-6 Fuser section ....................................................................................................................... 2-1-16
2-1-7 Eject/Feedshift section ........................................................................................................ 2-1-18
2-1-8 Duplex conveying section .................................................................................................... 2-1-20
2NP-5
Advertisement
