Oki MC160MFP Maintenance Manual page 19

Oki Data CONFIDENTIAL
MC160n Main body
OUTLINE........................................................................... 20
System configuration ......................................................................................... 20
1.
Product specifications........................................................................................ 20
2.
3. Center cross section .......................................................................................... 22
4. Media path.......................................................................................................... 22
COMPOSITION/OPERATION ........................................... 23
5. Overall composition ........................................................................................... 23
5.1 Control block diagram ..................................................................................... 23
5.2 Image creation process ................................................................................... 23
5.3 Operation sequence ........................................................................................ 24
6. Interface section................................................................................................. 24
6.1 Composition..................................................................................................... 24
7. Scanner section ................................................................................................. 25
7.1 Composition..................................................................................................... 25
7.2 Drive................................................................................................................. 25
7.3 Operation ......................................................................................................... 26
7.3.1 When the Start key is pressed.................................................................. 26
7.3.2 Home position detection ........................................................................... 26
7.3.3 Shading compensation ............................................................................. 26
8. Write section (PH section) ................................................................................. 27
8.1 Composition..................................................................................................... 27
8.2 Operation ......................................................................................................... 27
8.2.1 Outline ...................................................................................................... 27
8.2.2 Laser exposure process ........................................................................... 27
8.2.3 Laser emission area ................................................................................. 28
8.2.4 Image stabilization control item ................................................................ 28
9. Imageing cartridge section ................................................................................ 28
9.1 Composition..................................................................................................... 28
9.2 Drive................................................................................................................. 29
9.3 Operation ......................................................................................................... 29
9.3.1 Imaging cartridge (IC) life control ............................................................. 29
10. Photo conductor section .................................................................................... 29
10.1 Composition..................................................................................................... 29
44292401TH Rev.1
CONTENTS
10.2 Drive................................................................................................................. 29
10.3 Operation ......................................................................................................... 30
10.3.1 Photo conductor drive mechanism ........................................................... 30
10.3.2 Photo conductor cleaning mechanism...................................................... 30
11. Charge corona section....................................................................................... 30
11.1 Composition..................................................................................................... 30
11.2 Operation ......................................................................................................... 30
11.2.1 Charge corona control .............................................................................. 30
12. Developing section............................................................................................. 31
12.1 Composition..................................................................................................... 31
12.2 Drive................................................................................................................. 31
12.3 Operation ......................................................................................................... 31
Toner flow ................................................................................................. 31
12.3.1
12.3.2 Toner Cartridge Rack ............................................................................... 32
12.3.3 Developing Roller drive............................................................................. 35
12.3.4 Developing bias ........................................................................................ 35
12.3.5 Developing system ................................................................................... 35
12.3.6 Toner cartridge (TC) life control................................................................ 35
12.3.7 Image refresh mode ................................................................................. 36
13. 1st transfer section............................................................................................. 36
13.1 Composition..................................................................................................... 36
13.2 Drive................................................................................................................. 37
13.3 Operation ......................................................................................................... 37
13.3.1 1st transfer output control......................................................................... 37
13.3.2 Transfer belt cleaning mechanism ............................................................ 37
13.3.3 Cleaning blade pressure/retraction mechanism ....................................... 38
13.3.4 Belt Positioning Sensor ............................................................................ 39
13.3.5 ATVC (Auto transfer voltage control) ........................................................ 40
13.3.6 Image stabilization control item ................................................................ 40
14. 2nd transfer section/ media separation ............................................................. 41
14.1 Composition..................................................................................................... 41
14.2 Drive................................................................................................................. 41
14.3 Operation ......................................................................................................... 42
14.3.1 2nd transfer roller pressure/retraction control........................................... 42
14.3.2 2nd transfer roller cleaning ....................................................................... 42
14.3.3 Neutralization and separation of media .................................................... 43
15. Toner collecting section ..................................................................................... 43
15.1 Composition..................................................................................................... 43
15.2 Drive................................................................................................................. 43
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