Epson Expression 636 User Manual - TWAIN 32 - Page 109

RAM and hard disk size, Accelerator boards and CPU upgrades, Video cards, Monitors

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Equipment Your present equipment may be sufficient for your scanning needs, but if you are not satisfied with the quality of the images on your monitor or with the speed of image processing, read this section. While it does not contain specific recommendations, it describes various possibilities for improving your scanning system. For further information, see your dealer or an experienced scanner user. RAM and hard disk size Scanned images can use much more memory than text files, so you may need more Random Access Memory (RAM) in your computer and a larger hard disk than you have used previously. Accelerator boards and CPU upgrades In addition to memory, processing speed is important because large files take longer to process than small ones. Therefore, you may want to add an accelerator board to your computer, or upgrade your CPU. Video cards A video card that is sufficient for text may not be good enough for displaying graphic images, especially in color. If all your scanned images look coarse on your monitor, you may want to upgrade your video card. You will need 24-bit color, also called true color or millions of colors, for the best display of images. Monitors The resolution of your monitor, of course, also affects the quality of the image you see. Consider a high resolution monitor if you do precise color work, but first be sure you have the right video card. Expression 636 Scanner Settings B-19

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Expression 636 Scanner Settings
B-19
Equipment
Your present equipment may be sufficient for your scanning
needs, but if you are not satisfied with the quality of the images
on your monitor or with the speed of image processing, read this
section. While it does not contain specific recommendations, it
describes various possibilities for improving your scanning
system. For further information, see your dealer or an
experienced scanner user.
RAM and hard disk size
Scanned images can use much more memory than text files, so
you may need more Random Access Memory (RAM) in your
computer and a larger hard disk than you have used previously.
Accelerator boards and CPU upgrades
In addition to memory, processing speed is important because
large files take longer to process than small ones. Therefore, you
may want to add an accelerator board to your computer, or
upgrade your CPU.
Video cards
A video card that is sufficient for text may not be good enough
for displaying graphic images, especially in color. If all your
scanned images look coarse on your monitor, you may want to
upgrade your video card. You will need 24-bit color, also called
true color or millions of colors, for the best display of images.
Monitors
The resolution of your monitor, of course, also affects the quality
of the image you see. Consider a high resolution monitor if you
do precise color work, but first be sure you have the right video
card.