magicolor 1680MF
magicolor 1690MF
OUTLINE
COMPOSITION/
OPERATION
Theory of Operation
V
er. 1.0
N
ov. 200
8
i
CO
N
TE
N
TS
magicolor 16
8
0MF/magicolor 1690MF Main body
OUTLI
N
E
1.
System configuration
...............................................................................................
1
2.
Product specifications
.............................................................................................
2
3.
Center cross section
...............................................................................................
6
4.
Media path
..............................................................................................................
7
COMPOSITIO
N
/OPERATIO
N
5.
Overall composition
.................................................................................................
9
5.1
Control block diagram
...........................................................................................
9
5.2
Image creation process
......................................................................................
10
5.3
Operation sequence
...........................................................................................
11
6.
Interface section
....................................................................................................
12
6.1
Composition
........................................................................................................
12
6.1.1
magicolor 16
8
0MF
......................................................................................
12
6.1.2
magicolor 1690MF
......................................................................................
13
7.
Scanner section
....................................................................................................
14
7.1
Composition
........................................................................................................
14
7.2
Drive
...................................................................................................................
15
7.3
Operation
............................................................................................................
16
7.3.1
When the Start key is pressed
....................................................................
16
7.3.2
Home position detection
.............................................................................
17
7.3.3
Shading compensation
...............................................................................
17
8
.
Write section (PH section)
.....................................................................................
1
8
8
.1
Composition
........................................................................................................
1
8
8
.2
Operation
............................................................................................................
19
8
.2.1
Outline
.........................................................................................................
19
8
.2.2
Laser exposure process
..............................................................................
19
8
.2.3
Laser emission area
....................................................................................
20
8
.2.4
Image stabilization control item
...................................................................
20
9.
Imageing cartridge section
....................................................................................
21
9.1
Composition
........................................................................................................
21
9.2
Drive
...................................................................................................................
22
9.3
Operation
............................................................................................................
22
9.3.1
Imaging cartridge (IC) life control
................................................................
22
10.
Photo conductor section
........................................................................................
23