Sharp MX-C311 Operation Manual page 69

SPECIFICATIONS
Pull scan function (TWAIN) specifications
Supported
protocol
Supported client
PC operating
systems
Color modes
Resolution
settings
Scanning area
66
TCP/IP (IPv4)
Windows 98 / Me / 2000 / XP / Server 2003 / Vista / Server 2008
Full Color, Grayscale, Mono Diffusion, Mono 2 gradation
75 dpi, 100 dpi, 150 dpi, 200 dpi, 300 dpi, 400 dpi, 600 dpi
(The resolution can be specified by entering a numerical value
from 50 to 9600 dpi. However, when a high resolution is specified,
it is necessary to reduce the scanning area.)
Maximum: 8-1/2" x 13" (A4)