Who and where do you get the idea that you should be able to, to scan in colour you need a colour scanner, yours is not it has a greyscale scanner only.
This machine has a scanning kit option but that is not colour see specs below.
AR-NS2 Network Scanning Kit (optional) 4
Type:
Flat bed monochrome scanning system
Original Feed System: Platen/document feeder, simplex/duplex with RSPF feeds up to 39 opm
Resolution:
200 dpi, 300 dpi, 600 dpi
Image Format:
TIFF 6.0, ITU-T G3/G4 TIFF, G3/G4 single/multi-page PDF
Scan Destinations:
E-mail, Desktop, FTP, URL
Destination Profiles:
Up to 200
Operating System:
Windows 95/98/ME, 2000, XP
Network Protocols:
TCP/IP (includes SMTP, LDAP, FTP)
Network Security:
E-mail server user authentication
Software:
Sharpdesk Document Management Software (included)
Link to brochere of the AR-M 237 GREYSCALE copier
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