Copystar CS-2550 - Page 14

2FT
2-1 Mechanical construction
2-1-1 Paper feed section..................................................................................................................................2-1-1
2-1-2 Optical section ........................................................................................................................................2-1-4
(1) Original scanning...............................................................................................................................2-1-5
(2) Image printing....................................................................................................................................2-1-6
2-1-3 Drum section...........................................................................................................................................2-1-8
2-1-4 Developing section................................................................................................................................2-1-10
(1) Formation of magnetic brush...........................................................................................................2-1-11
(2) Single component developing system.............................................................................................2-1-12
2-1-5 Transfer and separation sections..........................................................................................................2-1-13
2-1-6 Fixing section........................................................................................................................................2-1-15
(1) Fixing temperature system..............................................................................................................2-1-16
(2) Fixing temperature control based on ambient temperature.............................................................2-1-16
2-1-7 Exit and switchback sections ................................................................................................................2-1-17
2-1-8 Duplex section ......................................................................................................................................2-1-18
(1) Paper conveying operation in duplex copying.................................................................................2-1-19
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout..............................................................................................................................2-2-1
(1) PCBs .................................................................................................................................................2-2-1
(2) Switches and sensors .......................................................................................................................2-2-2
(3) Motors ...............................................................................................................................................2-2-4
(4) Other electrical components..............................................................................................................2-2-5
2-3 Operation of the PWBs
2-3-1 Power source PCB..................................................................................................................................2-3-1
2-3-2 Main PCB................................................................................................................................................2-3-4
2-3-3 Engine PCB ............................................................................................................................................2-3-8
2-3-4 Printer board PCB.................................................................................................................................2-3-15
2-3-5 Operation unit PCB...............................................................................................................................2-3-19
2-3-6 CCD PCB..............................................................................................................................................2-3-22
2-4 Appendixes
Timing chart No.1....................................................................................................................................2-4-1
Timing chart No.2....................................................................................................................................2-4-2
Timing chart No.3....................................................................................................................................2-4-3
Timing chart No.4....................................................................................................................................2-4-4
Chart of image adjustment procedures...................................................................................................2-4-5
Maintenance parts list.............................................................................................................................2-4-8
Periodic maintenance procedures ..........................................................................................................2-4-9
General wiring diagram.........................................................................................................................2-4-11