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

[Stef]

Le mardi 3 avril 2012 20:32:18 Hubert Schweinesbein a écrit :
> Am 29.03.2012 22:09, schrieb Stef:
> > 	Hello,
> > 	
> > 	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 ?
> 
> hello,
> 
> thanks for your help - still not working.
> 
> extracted
> cism216.fw
> and
> cism603.fw
> 
> from the windows driver. Renamed it to *.usb abd copied to
> /usr/share/sane/gt68xx>
> With the cism216.usb the scanner does not react.
> With cism603.usb the scanner scans - but as described only a grey page.
> 
> > 	gt68xx.conf lets you tune the analog frontend (afe), see sane-gt68xx
> > 	man
> > 
> > page.
> 
> I saw the manpage and found the afe configuration accordingly - but it
> still has the same result.
> 
> I set the afe in the gt68xx.conf according to the output witg debug level 3.
> 
> 
> 
> -------------------------------SNIP------------------------
> /home/hs/tmp/scan # SANE_DEBUG_GT68XX=3 scanimage --device-name
> gt68xx:libusb:005:003 --resolution 300 --format tiff > image1.tiff
> [sanei_debug] Setting debug level of gt68xx to 3.
> [gt68xx] SANE GT68xx backend version 1.0 build 84 from sane-backends 1.0.20
> [gt68xx] attach: found Genius flatbed scanner ColorPage SF600 at
> libusb:005:003
> [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.
> [gt68xx] get_id: vendor id=0x0412, product id=0x07B3, DID=0x04000005,
> FID=0x0000
> [gt68xx] afe 0x24 0x0a 0x23 0x0f 0x23 0x0b
> [gt68xx] exposure 0x157 0x157 0x157
> [gt68xx] sane_get_parameters: pixels 2575x3531x256
> [gt68xx] sane_cancel: scan finished, scanned 9092325 bytes in 18 seconds
> 
> 
> -------------------------------SNAP------------------------
> 
> 
> thanks for your help
> hubert

	Hello,

	it appears you are running an old version of SANE 1.0.20 .  Please 
upgrade to latest stable release 1.0.22, you will have a better result. BTW 
the USB product and vendor id (07B3/0412) is the same than the optic slim m12 
which works well with 1.0.22.

Regards,
	Stef