FUJITSU fi-4640S - Manual (Page 47)

TROUBLESHOOTING
4-7
Symptom
4
Pictures and photographs are not read correctly.
Is the “Photo” mode
selected?
Is halftone or dither
processing selected?
Are the Document bed,
Document holding pad,
glass, and sheet guides
clean?
Select the “Photo” mode
(White level following “Off”)
through the scanner setting
menu in the software.
Select the halftone or
dithering mode from the host
computer.
NO
NO
YES
YES
NO
YES
Clean the dirty parts.
(See p. 2-5, p. 2-7, p. 2-10)
Contact the manufacturer’s authorized
service center.