Kyocera ECOSYS P3050dn

2T6/2T7/2T8/2T9-1
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware ......................................................................................................... 1-6-1
1-6-2 Remarks on PWB replacement ............................................................................................ 1-6-6
(1) Engine PWB .....................................................................................................................1-6-6
(2) Main PWB......................................................................................................................... 1-6-6
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............................................................................................... 2-1-2
(3) Conveying section ............................................................................................................2-1-3
2-1-2 Drum section ......................................................................................................................... 2-1-4
(1) Charger roller unit............................................................................................................. 2-1-4
(2) Cleaning unit..................................................................................................................... 2-1-5
2-1-3 Developer section .................................................................................................................. 2-1-6
2-1-4 Optical section ....................................................................................................................... 2-1-7
(1) Laser scanner section ...................................................................................................... 2-1-7
2-1-5 Transfer/Separation section ..................................................................................................2-1-8
2-1-6 Fuser section ......................................................................................................................... 2-1-9
2-1-7 Eject/Feedshift section ........................................................................................................ 2-1-10
2-1-8 Duplex conveying section....................................................................................................2-1-12
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ............................................................................................................ 2-2-1
(1) PWBs................................................................................................................................ 2-2-1
(2) Switches and sensors....................................................................................................... 2-2-3
(3) Motors............................................................................................................................... 2-2-4
(4) Clutches and others.......................................................................................................... 2-2-5
2-3 Operation of the PWBs
2-3-1 Main PWB (MPWB) ...............................................................................................................2-3-1
2-3-2 Engine PWB (EPWB) ............................................................................................................2-3-6
2-3-3 Power source PWB (PSPWB) ............................................................................................. 2-3-14
2-3-4 Relay-L PWB (R-LPWB)......................................................................................................2-3-16
2-3-5 High voltage PWB (HVPWB)............................................................................................... 2-3-19
2-4 Appendixes
2-4-1 Appendixes ............................................................................................................................ 2-4-1
(1) Maintenance kits............................................................................................................... 2-4-1
(2) Repetitive defects gauge .................................................................................................. 2-4-2
(3) Firmware environment commands ................................................................................... 2-4-3
(4) Maintenance Commands................................................................................................ 2-4-11
(5) Wiring diagram (60/55/50 ppm model) ........................................................................... 2-4-21
(6) Wiring diagram (45ppm model) ...................................................................................... 2-4-23