Original Reading Area; Ae/Acs Control; Image Processing - Develop ineo+ 6500 Service Manual

7. SCANNER SECTION
7.3.3

Original reading area

• The original reading area for both in platen mode and DF mode is determined as described below.
A. When the automatic "Erase outside of original" is turned ON
Out of original auto-reading area equals to the max. original size.
B. When the automatic "Erase outside of original" is turned OFF
The scanning size specified in the user setting menu "Erase outside of original" equals to the original reading
area.
Setting for Erase outside of original
Erase outside of original
Auto-size/Auto magnification only
Except original Glass (1:1)
7.3.4

AE/ACS control

• When AE/ACS is selected, the density of the original is detected, and the print density is automatically
adjusted.
• When ACS is selected, the color of the original is detected, and color or monochrome print is selected
automatically.
A. AE/ACS sampling area
• The original density sampling area for both in platen mode and DF mode is same as the original reading
area.
7.3.5

Image processing

For the image processing, the following items are provided: Refer
(See P.117)
• AOC (automatic offset control)
• AGC (automatic gain control)
• Shading correction
• AE processing
• ACS processing
• Brightness/Density conversion
• Filter/scaling
• Half tone processing (Error diffusion)
• Compression
• Image data storage
• Screen processing
30
Mode
All
Auto-size/Auto magnifi-
cation
Manual
Equal magnification to
platen
Other than equal magni-
fication to platen
to"24. IMAGE PROCESSING
Theory of Operation Ver1.0 Sep.2006
Scanning size
Original size
Original size
Paper size
Paper size
Original size
" for details.