[sane-devel] genesys: canon lide 210 produces black color scans

[Jiri Slaby]

On 11/14/2011 10:40 PM, Stef wrote:
> Le lundi 14 novembre 2011 18:18:19 Jiri Slaby a écrit :
>> Hi,
>>
>> The backlight is not turned on for resolutions < 600 when scanning in
>> Color mode. Scanning in 600 or 1200 DPI works fine. So this sucks for
>> xsane preview mode for example.
>>
>> I tried to move ~/.sane away. This has no effect though.
>>
>> This is the scanner:
>> ID 04a9:190a Canon, Inc. CanoScan LiDE 210
>>
>> The commandline is:
>> $ export SANE_DEBUG_GENESYS=255
>> $ export SANE_DEBUG_GENESYS_LOW=255
>> $ scanimage --resolution 300 -y 5 --mode Color 2>dump300c >scan300c.pnm
>> $ scanimage --resolution 600 -y 5 --mode Color 2>dump600c >scan600c.pnm
>> $ scanimage --resolution 300 -y 5 --mode Gray 2>dump300g >scan300g.pnm
>>
>> All three dumps and scans are here:
>> http://www.fi.muni.cz/~xslaby/sklad/lide210-dark/
>>
>> thanks,
> 
> 	Hello,
> 
> 	from the logs I see you are running SANE 1.0.22. It would be nice if you 
> could test on current git version. This can be done by downloading source code 
> (see http://www.sane-project.org/snapshots/ ), unpack it, then run configure 
> and make (you'll need libusb-devel), don't do make install, you can test as a 
> normal user without installing by running this (in the backend directory):
> export SANE_DEBUG_GENESYS=255
> export SANE_DEBUG_GENESYS_LOW=255
> export SANE_DEBUG_GENESYS_GL124=255
> export LD_PRELOAD=.libs/libsane-genesys.so
> genesys --clear-calibration --resolution 300 --mode Color  2>rl.log >rl.pnm

Uploaded at the same place. (No change.)

$ ./configure --without-snmp BACKENDS=genesys --prefix=/usr
--sysconfdir=/etc
$ make -j5
$ make install DESTDIR=`pwd`/ddd
$ export LD_LIBRARY_PATH=ddd/usr//lib64/sane/:ddd/usr/lib64/
$ ./ddd/usr/bin/scanimage --clear-calibration --resolution 300 --mode
Color  2>rl.log >rl.pnm

thanks,
-- 
js