magicolor 1680MF
magicolor 1690MF
OUTLINE
COMPOSITION/
OPERATION
Theory of Operation
V
er. 1.0
N
ov. 200
8
iii
15.3
Operation
............................................................................................................
51
15.3.1
Toner collecting mechanism
........................................................................
51
15.3.2
Waste toner near full detection system
.......................................................
52
16.
Media feed section
................................................................................................
53
16.1
Composition
........................................................................................................
53
16.2
Drive
...................................................................................................................
54
16.3
Operation
............................................................................................................
55
16.3.1
Up/down control
..........................................................................................
55
16.3.2
Paper feed control
.......................................................................................
56
16.3.3
Double feed prevention mechanism
............................................................
56
16.3.4
Remaining media detection control
.............................................................
56
16.3.5
Media feed retry function
............................................................................
57
17.
Fusing section
.......................................................................................................
5
8
17.1
Composition
........................................................................................................
5
8
17.2
Drive
...................................................................................................................
59
17.3
Operation
............................................................................................................
60
17.3.1
Fusing temperature control
.........................................................................
60
17.3.2
Wait control
.................................................................................................
61
17.3.3
Print control
.................................................................................................
61
17.3.4
Protection against abnormally high temperature
........................................
62
17.3.5
PPM control
................................................................................................
62
1
8
.
Media exit section
..................................................................................................
63
1
8
.1
Composition
........................................................................................................
63
1
8
.2
Drive
...................................................................................................................
64
1
8
.3
Operation
............................................................................................................
64
1
8
.3.1
Conveyance control
.....................................................................................
64
1
8
.3.2
Media exit full detection control
...................................................................
64
19.
Image stabilization control
.....................................................................................
65
19.1
Overview
.............................................................................................................
65
19.2
Operation
............................................................................................................
66
19.2.1
Leak detection control
.................................................................................
66
19.2.2
IDC sensor LED intensity control
................................................................
66
19.2.3
Transfer belt surface correction control
.......................................................
66
19.2.4
Control of the maximum amount of toner sticking
.......................................
66
19.2.5
Laser intensity adjustment control
..............................................................
66
19.2.6
g correction control
.....................................................................................
66
19.3
Operation timing
.................................................................................................
67
19.4
Operation flow
.....................................................................................................
67
20.
Fan control
............................................................................................................
6
8