Kyocera KM-2540 - Page 12

2JB/2JC-3
1-5 Assembly and Disassembly
1-5-1 Precautions for assembly and disassembly............................................................................................1-5-1
(1) Precautions .......................................................................................................................................1-5-1
(2) Drum..................................................................................................................................................1-5-1
(3) Toner .................................................................................................................................................1-5-1
(4) How to tell a genuine Kyocera Mita toner container..........................................................................1-5-2
1-5-2 Paper feed section..................................................................................................................................1-5-3
(1) Detaching and refitting the forwarding, paper feed and separation pulleys ......................................1-5-3
(2) Detaching and refitting the MP separation, MP paper feed and MP forwarding pulleys ...................1-5-6
1-5-3 Optical section ......................................................................................................................................1-5-15
(1) Detaching and refitting the exposure lamp......................................................................................1-5-15
(2) Detaching and refitting the scanner unit..........................................................................................1-5-19
(3) Detaching and refitting the scanner wires .......................................................................................1-5-23
(3-1) Detaching the scanner wires ...................................................................................................1-5-23
(3-2) Fitting the scanner wires .........................................................................................................1-5-25
(4) Detaching and refitting the ISU (reference).....................................................................................1-5-28
(5) Detaching and refitting the laser scanner unit .................................................................................1-5-30
(6) Adjusting the position of the ISU (reference)...................................................................................1-5-34
1-5-4 Drum section.........................................................................................................................................1-5-35
(1) Detaching and refitting the drum unit ..............................................................................................1-5-35
(2) Detaching and refitting the main charger unit..................................................................................1-5-37
(3) Detaching and refitting the drum separation claws .........................................................................1-5-38
1-5-5 Developing section................................................................................................................................1-5-39
(1) Detaching and refitting the developing unit .....................................................................................1-5-39
1-5-6 Transfer section ....................................................................................................................................1-5-40
(1) Detaching and refitting the transfer roller unit .................................................................................1-5-40
1-5-7 Fuser section ........................................................................................................................................1-5-41
(1) Detaching and refitting the fuser unit...............................................................................................1-5-41
(2) Detaching and refitting the heat roller separation claws..................................................................1-5-44
(3) Detaching and refitting the press roller............................................................................................1-5-45
(4) Detaching and refitting the fuser heater ..........................................................................................1-5-47
(5) Detaching and refitting the heat roller .............................................................................................1-5-49
(6) Detaching and refitting the fuser thermistor 1 .................................................................................1-5-50
(7)
Detaching and refitting the fuser thermistor 2 .................................................................................1-5-51
(8) Detaching and refitting the fuser thermostats 1 and 2.....................................................................1-5-52
(9) Adjusting front position of the fuser unit (adjusting lateral squareness) ..........................................1-5-54
1-5-8 PWBs ....................................................................................................................................................1-5-55
(1) Detaching and refitting the engine PWB .........................................................................................1-5-55
1-5-9 Others ...................................................................................................................................................1-5-57
(1) Detaching and refitting the ozone filter 1.........................................................................................1-5-57
(2) Detaching and refitting the ozone filter 2.........................................................................................1-5-58
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware...........................................................................................................................1-6-1
1-6-2 Adjustment-free variable resistors (VR) ..................................................................................................1-6-1
1-6-3 Remarks on engine PWB replacement...................................................................................................1-6-2
1-6-4 Remarks on main PWB replacement......................................................................................................1-6-2
2-1 Mechanical construction
2-1-1 Paper feed section..................................................................................................................................2-1-1
(1) Cassette paper feed section..............................................................................................................2-1-1
(2) MP tray paper feed section ...............................................................................................................2-1-3
2-1-2 Main charging section .............................................................................................................................2-1-4
2-1-3 Optical section ........................................................................................................................................2-1-5
(1) Image scanner section ......................................................................................................................2-1-5
(2) Laser scanner section .......................................................................................................................2-1-7
2-1-4 Developing section..................................................................................................................................2-1-9
(1) Single component developing system.............................................................................................2-1-11
2-1-5 Transfer and separation sections..........................................................................................................2-1-12
2-1-6 Cleaning and charge erasing sections..................................................................................................2-1-13
2-1-7 Fuser section ........................................................................................................................................2-1-14
2-1-8 Eject and switchback sections ..............................................................................................................2-1-16