[sane-devel] Fujitsu M3093GD

[m. allan noah]

On 7 Nov 2003, Andi McLean wrote:

> On Thu, 2003-11-06 at 08:57, Oliver Schirrmeister wrote:
> > Am Mit, 2003-11-05 um 21.40 schrieb m. allan noah:
> > > On 5 Nov 2003, Andi McLean wrote:
> > > 
> > > > Hi,
> > > > 
> > > > I'm using 
> > > > red-hat 8.0 
> > > > sane-backends 1.0.12
> > > > scanimage 1.0.12
> > > > and a M3093GD
> > > > 
> > > > Scanning the front of the document works perfectly but if I try to scan
> > > > the back page I get about 38 rows of blank image. If I try full duplex I
> > > > only get the front side. Does any one have any ideas of what causes this
> > > > or how to fix it?
> > > 
> > > try using scanadf instead of scanimage, and see what that does for the 
> > > duplex=both situation. for the duplex=back, i am not sure why the image is 
> > > truncated. try turning on some debug:
> > 
> > I'm not shure if the scanner supports back side only. As far as I remember
> > the fujitsu windows twain-driver doesn't offer this feature.
> > Duplex scan works with that scanner at least with sane-backends 1.08 
> > I havn't tried newer versions.
> You're right about not being able to scan just the back page. 
> I've turned on debug as suggested and there seems to be a problem when
> setting up the window.
> 
> Selected output follows :-
> .... truncated
> [fujitsu] wait_scanner
> [fujitsu] test_unit_ready
> [fujitsu] 000: 00 00 00 00 00 00
> [fujitsu] <cmd<
> [fujitsu] 000: 00 00 00 00 00 00
> [fujitsu] sanei_scsi_cmd: returning 0 bytes:
> [fujitsu] wait_scanner: ok
> [fujitsu] set_window_param
> [fujitsu] Window set - front
> [fujitsu] 000: 00 00 01 2c 01 2c 00 00 00 00 00 00 00 00 00 00
> [fujitsu] 016: 27 d7 00 00 36 cf 00 00 00 02 08 00 00 00 00 00
> [fujitsu] 032: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0
> [fujitsu] 048: 20 00 00 00 00 84 00 00 00 00 00 00 00 00 00 00
> [fujitsu] Window set - back
> [fujitsu] 000: 80 00 01 2c 01 2c 00 00 00 00 00 00 00 00 00 00
> [fujitsu] 016: 27 d7 00 00 36 cf 00 00 00 02 08 00 00 00 00 00
> [fujitsu] 032: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0
> [fujitsu] 048: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [fujitsu] <cmd<
> [fujitsu] 000: 24 00 00 00 00 00 00 00 88 00 00 00 00 00 00 00
> [fujitsu] 016: 00 40 00 00 01 2c 01 2c 00 00 00 00 00 00 00 00
> [fujitsu] 032: 00 00 27 d7 00 00 36 cf 00 00 00 02 08 00 00 00
> [fujitsu] 048: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [fujitsu] 064: 00 a0 20 00 00 00 00 84 00 00 00 00 00 00 00 00
> [fujitsu] 080: 00 00 80 00 01 2c 01 2c 00 00 00 00 00 00 00 00
> [fujitsu] 096: 00 00 27 d7 00 00 36 cf 00 00 00 02 08 00 00 00
> [fujitsu] 112: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [fujitsu] 128: 00 a0 20 00 00 00 00 00 00 00 00 00 00 00 00 00
> [fujitsu] 144: 00 00
> [fujitsu]       5/38/0: Invalid field in parm list 
> [fujitsu] sanei_scsi_cmd: returning 0x00000004
> [fujitsu] sanei_scsi_cmd: returning 0 bytes:
> [fujitsu] sane_start: ERROR: failed to set window
> [fujitsu] freeScanner
> [fujitsu] release_unit

you are trying to do an 8bit grayscale, duplex scan. i notice 1 thing now 
in the manual for the M3093DG: 'duplex reading supports only 0x01' 
(lineart)

try setting --mode=lineart and see if that works. if so, i will update the 
backend to prevent you from trying :)

allan


> 
> .... truncated
> > 
> if you need any more of the debug info just ask.
> 
> Many thanks for your help 
> 
> Andi
> 
> 
> 
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