Olivetti d-Color MF550, Theory Of Operation

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Outline
Composition/Operation
Theory of Operation Ver. 8.0 Jun. 2008
i
CONTENTS
d-Color MF
550/
MF
45
0
Main body
Outline
1. System configuration............................................................................................... 1
1.
1 MF
550 ..................................................................................................................
1
1.
3 MF
45
0
..................................................................................................................
3
2. Product specifications .............................................................................................
5
3. Section configuration............................................................................................. 1
2
4. Paper path............................................................................................................. 1
3
4.1
MF
550 .......................................................................
.......
.................................. 1
3
4.2
MF
45
0
...............
.
.................................................................................................1
4
5. Image creation process ......................................................................................... 1
5
Composition/Operation
6. Overall composition...............................................................................................
17
6.1 Control block diagram .........................................................................................
17
7. Scanner section (IR section) .................................................................................
18
7.1 Composition........................................................................................................
18
7.1.1 CCD unit .....................................................................................................
19
7.2 Drive ...................................................................................................................
19
7.3 Operation ............................................................................................................ 2
0
7.3.1 Scan and exposure lamp control................................................................. 2
0
7.3.2 Preventing stain on the DF original glass.................................................... 2
3
7.3.3 Original size detection control .....................................................................
26
8. Write section (PH section).....................................................................................
29
8.1 Composition........................................................................................................
29
8.2 Operation ............................................................................................................ 3
0
8.2.1 Outline......................................................................................................... 3
0
8.2.2 Laser exposure process.............................................................................. 3
1
8.2.3 Laser emission timing ................................................................................. 3
2
8.2.4 Laser emission area.................................................................................... 3
3
8.2.5 Color registration control (color shift correction) system ............................. 3
4
8.2.6 Color skew correction control ......................................................................
36
8.2.7 PH unit temperature detection control ........................................................
37
9. Imaging unit...........................................................................................................
38