7. Scanner section (IR section)
Theory of Operation Ver. 1.0 Sep. 2008
18
bizhub C200
Composition/Operation
(2) DF mode
1.
The press of the Start key turns ON the exposure lamp.
2.
The exposure unit moves from the home position to the shading position to make a
shading correction.
3.
The exposure unit moves from the shading position to the DF document read posi-
tion.
4.
The document in the automatic document feeder is fed up to the document read
position and the exposure unit reads the image of the document.
5.
After the image of the document has been read, the exposure lamp turns OFF.
6.
The exposure unit moves from the document read position to the home position.
7.
The R, G, and B data are stored in memory through a single scan motion, so the
scan sequence is carried out only once even for color copying.
A02FT2C068AA
A02FT2C069AA
Reading of the image of the document
Automatic document feeder (DF-612)
Exposure lamp (FL201) ON
Shading position
Home position
Return
Shading correction
Home position
Original
Image reading
position
Theory of Operation Y109670-2