[sane-devel] Duplex and Halftone Problem with Fujitsu M3091DC

[Frank Schiller]

Hi all,
 
I compiled the newest SANE Version on my linux box where a Fujitsu
M3091DC scanner is cable-connected.
 
Scanimage works basically but the option "-duplex both" doesn't work and
"-mode Halftone" generates an "invalid argument" error. "-mode Lineart"
only generates inverse images (white characters on black paper).
 
Scanning with "-mode Color" or "-mode Gray" works in "nonduplex", but
they generate bigger images despite a lower resolution than Lineart.
 
Do you have a suggestion how to scan in duplex and halftone or lineart?
 
Here are some scanimage outputs:
 
scanimage -L
 
device `fujitsu:/dev/sg0' is a FUJITSU M3091DCd scanner
 
 
scanimage --help --device fujitsu:/dev/sg0
 
Options specific to device `fujitsu:/dev/sg0':
  Scan Mode:
    --source ADF|FB [ADF]
        Selects the scan source (such as a document-feeder).
    --mode Lineart|Halftone|Gray|Color [Color]
        Selects the scan mode (e.g., lineart,monochrome, or color).
    --duplex front|both [front]
        Select if you want the front or back to be scanned, or both.
    --resolution 50..300dpi (in steps of 1) [300]
        Sets the horizontal resolution of the scanned image.
    --y-resolution 75|150|300|600dpi [300]
        Sets the vertical resolution of the scanned image.
 
 
Thanks
Frank Schiller
 
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