[sane-devel] Genius CP delivers only a grey page - where is my mistake?

Stef stef.dev at free.fr
Thu Mar 29 20:09:22 UTC 2012

Le jeudi 29 mars 2012 09:20:24 Hubert Schweinesbein a écrit :
> Hi,
> I try get a Genius CP-SF600 running on a SUSE Linux Enterprise Desktop
> It seems I got the firmware upload up and running.
> Firmwarefile: cism603.usb
> If I run scanimage
> -------------------------------SNIP------------------------
> scanimage -d gt68xx:libusb:005:006 -v --format=tiff >image.tiff
> [gt68xx] WARNING: Your scanner is not fully supported or at least
> [gt68xx]          had only limited testing. Please be careful and
> [gt68xx]          report any failure/success to
> [gt68xx]          sane-devel at lists.alioth.debian.org. Please provide as many
> [gt68xx]          details as possible, e.g. the exact name of your [gt68xx]
>          scanner and what does (not) work.
> scanimage: scanning image of size 2575x3531 pixels at 8 bits/pixel
> scanimage: acquiring gray frame
> scanimage: min/max graylevel value = 129/133
> scanimage: read 9092325 bytes in total
> -------------------------------SNAP------------------------
> Scanning starts and a page is scanned.
> But the result is only a grey page.
> Where can I configure to get the image scanned and not only a grey page?
> Thanks
> Hubert


	this sheet-fed scanner needs to be calibrated to provide bets results. In 
SANE 1.0.22, this scanner (usb 0x0458 0x2021) is described as using a 
"cism216.fw" firmware. Did you extract the one you are using from the windows 
driver installer ? Is the usb id different ?
	gt68xx.conf lets you tune the analog frontend (afe), see sane-gt68xx man 


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