On Monday 14 March 2005 11:19, Joao Dias wrote: > Hi all, > > I am posting to this list because of a minor problem with my scanner I would > like > somebody to help me with. > > I have a Genius ColorPage Vivid III scanner. > > Now that finally I got it working under linux (and out of the box with > Fedora Core 3) > it remains with an annoying problem for other users in my family (and that > makes > me feel guilty, cause I switched WindowsXP for Linux, and told them that all > would be > perfect ;).
Great idea :))))))))) > I am able to scan with very good quality, but sometimes the scan is > performed > a bit slower than usual and the result is a corrupted image either full off > horizontal lines of several colors all mixed, or a kind of greenish +-1cm > height bar at the top. > > This happens randomly when scanning. Sometimes happens sometimes not. > It seems nearly alternating (nice/corrupted/nice/corrupted) but that is not > always true. Its very rare that I can scan twice with success, without > repeating > at least one time. > > Is this a bug in the backend driver ? > I thought it could have something to do with warmup time and I managed > a bit with that and lamp on/off times but concluded nothing, or has nothing > to do with that. Hmmm, hard to say. I only have a OpticPro U12 for testing and have no problems so far - but it might be related to some timing issues. > > I noticed too that xsane tells me I have an HR6 model but I actually > have what claims to be ColorPage Vivid III in the scanner lid... > anyway I guess that's what lsusb says that matters... This has nothing to do with XSANE, the backend always will tell you, that you have a HR6, as this usb-id is tied to this device - in the end it is simply a naming thing. > Also if I open and quit xsane two or three times, it seems the usb subsytem > uhci_hcd module gets corrupted in scanner communications and I have to > reload it. > (but that is not a problem because I always load xsane at session start to > get > the lamp off, and then let it stay there - and told others to do the same) > > If more information is needed to help getting around the corruption issue, > please explain me how to obtain it, also if there is > something I can do by myself while properly guided... > Hmmmm, could you please enable the debug messages and do two scans: export SANE_DEBUG_UT12=20 ; xsane Hopefully the second scan fails. Then send me this output. -- Gerhard
