Konica Minolta bizhub c650 Service Manual page 31

9.1 Composition ....................................................................................................... 42
9.2 Drive ................................................................................................................... 43
9.3 Operation............................................................................................................ 44
9.3.1 IU life control ............................................................................................... 44
10. Photo conductor section ....................................................................................... 46
10.1 Composition ....................................................................................................... 46
10.2 Drive ................................................................................................................... 46
10.3 Operation............................................................................................................ 47
10.3.1 PC drum drive mechanism ......................................................................... 47
10.3.2 K PC drum phase control............................................................................ 48
10.3.3 PC drum small amount rotation control ...................................................... 49
11. Charge Corona section ......................................................................................... 50
11.1 Operation............................................................................................................ 51
11.1.1 PC drum charge corona ON/OFF control ................................................... 51
11.1.2 Charge corona cleaning control.................................................................. 51
11.1.3 Cleaning/main erase mechanism ............................................................... 53
12. Developing section................................................................................................ 55
12.1 Composition ....................................................................................................... 55
12.2 Drive ................................................................................................................... 56
12.3 Operation............................................................................................................ 57
12.3.1 Developing drive control ............................................................................. 57
12.3.2 Developer flow ............................................................................................ 58
12.3.3 Developing bias .......................................................................................... 60
12.3.4 HMT (high grade micro toning) development.............................................. 61
12.3.5 Developer Scattering Preventive Mechanism ............................................. 62
12.3.6 TCR sensor control..................................................................................... 64
13. Toner supply section ............................................................................................. 65
13.1 Composition ....................................................................................................... 65
13.2 Drive ................................................................................................................... 66
13.3 Operation............................................................................................................ 67
13.3.1 Toner replenishing mechanism/control ....................................................... 67
13.3.2 Toner cartridge life control .......................................................................... 70
13.3.3 Toner cartridge life control .......................................................................... 70
13.3.4 Shutter mechanism..................................................................................... 72
14. Transfer Corona section ........................................................................................ 73
14.1 Composition ....................................................................................................... 73
14.1.1 1st Image Transfer section.......................................................................... 73
14.1.2 2nd Image Transfer section......................................................................... 74
14.2 Drive ................................................................................................................... 75
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Theory of Operation Ver. 8.0 Jun. 2008