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S T E P 1
Setting the Resolution and Magnification
The magnification of an image can be changed before scanning to accommodate
reproductions that are larger or smaller than the original. The settings can be
changed in increments of 1%.
Changing the magnification setting causes the resolution display on the control
panel to change correspondingly. This resolution setting is referred to as the
“scanning resolution.”
Output Device Resolution= 720 dpi, Magnification= 100%
Scanning at 200%
Scanning at 50%
12"/30cm
3"/7.5cm
2"/5cm
6"/15cm
4"/10cm
8"/20cm
Scanning with horizontal/
vertical 2x magnification
Scanning with horizontal/
vertical 0.5x magnification
The scanning resolution changes
accordingly.
Magnification
changed to
50%
Magnification
Scanning Resolution
➟
➟
Magnification
50%
Scanned at
360 dpi
Image size = 5"x5"
(12.7 x 12.7cm)
Image size = 2.5"x2.5"
(6.35 x 6.35cm)
Output device
corrects to
720 dpi
Hint
Magnification and Resolution
Why does the image size change with the magnification? Let us answer this
with an example using a “BJ (720 dpi)” output device. If you were to scan
an image with this device setting and set the magnification factor to 50%,
the scanning resolution will automatically change to 360 dpi. At this
setting, the image will be scanned at a resolution of 360 dpi and the output
device will convert this to 720 dpi, shrinking the size of the output in the
process because it will only have half the data with which to fill the space.