On 10/30/05, Pierre Willenbrock <pie...@pirsoft.dnsalias.org> wrote: > Cameron Harris schrieb: > > On 10/30/05, Pierre Willenbrock <pie...@pirsoft.dnsalias.org> wrote: > > > >> > >>Thanks for the log. > >> > >>Please try the attached patch. > >>I don't know if it helps. The backend is trying to read 1560000 bytes > >>from the scanner, but libusb does not provide that much. We need to find > >>out where the data is lost. The patch addresses one possible cause. > >> > >>Regards, > >> Pierre > >> > > > > Ummmm.. well... good and bad news. > > > > The patch made it get past where it was stopping before, and now loads > > of rubbish appears on the terminal when I do scanimage. I ran xsane to > > see if it was scanning anything, hit acquire preview. > > The "loads of rubbish" actually are the requested image. scanimage > outputs on stdout per default. > > > > > The scanner made a few noises, then went "beeeeeeeeeeeeeeeeeeeeeeeep" > > until the scan was done. While it was beeping, the scanner head was > > lit green. > > Did the head move? xsanes default is to scan in grey mode, which is > translated into a monochrome green scan. > > > > > The image produced was just grey lines on a black-ish background. One > > good thing is that if I open the scanner lid mid-scan, it seems to > > have an effect on the image appearing on screen. > > > > Sane Screenshot: http://htsc01.b3ta.org/scan.png > > > > Where it gets lighter is where I opened the lid, and darker again when > > I closed it. > > > > I guess the calibration step failed. > > Each scan should look like this: > - (optionally)move head home > - blink lamp > - move head away from home > - blink lamp > - move head home > - (maybe) blink lamp > - move head away from home > - blink lamp > - move head home > - do a short scan > - move head home > - do the real scan > > If the head moved in the "short scan" part, please compress and send me > black_white_shading.pnm. That image should be generated while using > scanimage with SANE_DEBUG_GENESYS=255. > > > I'll try getting it onto a Windows system and actually making sure the > > scanner works properly :|, maybe I could get a USB snoop while I'm at > > it, just in case. > > > > Regards, > Pierre > Fantastic! I just messed around with the lock button on the bottom of the scanner, locking and unlocking a few times, then tilting it to the side a bit.. and it works now!
All I can guess is that someone picked up the scanner when it was unlocked and I wasn't looking and it made the scanner head lock in a funny position... but now it works, so that's cool. :D It was the bulkin patch that seemed to actually make it scan. Thanks for your help :) -- Cameron Harris
