Olivetti d-Color MF550, Theory Of Operation

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Outline
Composition/Operation
Theory of Operation Ver. 8.0 Jun. 2008
ii
9.1 Composition .......................................................................................................
38
9.2 Drive ...................................................................................................................
39
9.3 Operation............................................................................................................ 4
0
9.3.1 IU life control ............................................................................................... 4
0
10. Photo conductor section ....................................................................................... 4
2
10.1 Composition ....................................................................................................... 4
2
10.2 Drive ................................................................................................................... 4
2
10.3 Operation............................................................................................................ 4
3
10.3.1 PC drum drive mechanism ......................................................................... 4
3
10.3.2 K PC drum phase control............................................................................ 4
4
10.3.3 PC drum small amount rotation control ...................................................... 4
5
11. Charge Corona section .........................................................................................
46
11.1 Operation............................................................................................................
47
11.1.1 PC drum charge corona ON/OFF control ...................................................
47
11.1.2 Charge corona cleaning control..................................................................
47
11.1.3 Cleaning/main erase mechanism ...............................................................
49
12. Developing section................................................................................................ 5
1
12.1 Composition ....................................................................................................... 5
1
12.2 Drive ................................................................................................................... 5
2
12.3 Operation............................................................................................................ 5
3
12.3.1 Developing drive control ............................................................................. 5
3
12.3.2 Developer flow ............................................................................................ 5
4
12.3.3 Developing bias ..........................................................................................
56
12.3.4 HMT (high grade micro toning) development..............................................
57
12.3.5 Developer Scattering Preventive Mechanism .............................................
58
12.3.6 TCR sensor control..................................................................................... 6
0
13. Toner supply section ............................................................................................. 6
1
13.1 Composition ....................................................................................................... 6
1
13.2 Drive ................................................................................................................... 6
2
13.3 Operation............................................................................................................ 6
3
13.3.1 Toner replenishing mechanism/control ....................................................... 6
3
13.3.2 Toner cartridge life control ..........................................................................
66
13.3.3 Toner cartridge life control ..........................................................................
66
13.3.4 Shutter mechanism.....................................................................................
68
14. Transfer Corona section ........................................................................................
69
14.1 Composition .......................................................................................................
69
14.1.1 1st Image Transfer section..........................................................................
69
14.1.2 2nd Image Transfer section......................................................................... 7
0
14.2 Drive ................................................................................................................... 7
1