Develop ineo+ 6500 Service Manual page 68

Theory of Operation Ver1.0 Sep.2006
2.
Detecting the color registration marks
The PS8 and PS9 detect the edges of the color registration mark "
result into digital signals. The edge detection is performed at four points (edges) per mark.
[1] Detecting direction (transferring direction)
[2] Binarized digital signals
[3] Detection signal of the color registration
sensors /Fr and /Rr (PS8 and PS9) (analog
signal)
[4]
[3]
[2]
" of each color and convert the detected
[5]
[1]
[4] Color registration sensor /Fr and /Rr (PS8
and PS9)
[5] Color registration mark
8. WRITE SECTION
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