Oki MC160MFP - Page 19

44292401TH Rev.1
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Oki Data CONFIDENTIAL
CONTENTS
MC160n Main body
OUTLINE...........................................................................20
1. System configuration ......................................................................................... 20
2. Product specifications........................................................................................20
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
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
12.3.1 Toner flow .................................................................................................31
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