On 27.04.2009, at 12:50, PaulFransen wrote: > On Sunday 12/04/2009 12:13 ono at safe-mail.net wrote: > ------------------------------------------------------- >> I can try something like SnoopyPro >> (http://sourceforge.net/projects/usbsnoop/), much later. I just >> left town >> for (probably) two months and did not take the scanner with me. >> >> The proper function of the ADF on my Hewlett-Packard ScanJet 8250 >> scanner >> has always been sensitive to the initial position of its feed >> roller, even >> when using Windows drivers under the Windows operating system. I do >> not >> have access to any Hewlett-Packard ScanJet 8250 scanner other than >> the one >> I own, so I do not know if that type of ADF behavior is common to all >> Hewlett-Packard ScanJet 8250 scanners. ========================== >> Subject: Re: [sane-devel] Hewlett-Packard ScanJet 8250 ADF issue >> Date: 10 Apr 2009 12:56 >> From: Ren? Rebe<rene at exactcode.de> >> Apparently from: >> sane-devel-bounces+ono=safe-mail.net at lists.alioth.debian.org To: >> ono at Safe-mail.net >> Cc: sane-devel at lists.alioth.debian.org >> >> Hey, I'm the Avision backend author, but I do not have this scanner. >> >> A year ago someone said the hp8250 ADF worked, no idea what >> changed or if there are multiple models. >> >> If you can send me the usbsnoop log from a windows machine >> scanning, let's say 2 pages at 200 dpi black&white (to keep the >> log small) I can see what I can do. >> >> ono at Safe-mail.net wrote: >> Using a live CD of the 20090409 daily build of Ubuntu 9.04 I used >> the xsane >> 0.996 application to run my Hewlett-Packard ScanJet 8250 scanner. >> Scanning >> seemed to work okay except for the ADF. >> When trying to use the ADF, the ADF begins to whir without drawing >> paper >> from the ADF tray and then an error message is generated by xsane >> that >> states 'Error during read: Scanner cover is open.' The ADF hardware >> on my >> Hewlett-Packard ScanJet 8250 scanner sometimes functions >> inconsistently, >> but this xsane error occurs every time I have tried using the ADF. I >> noticed some previous messages about a similar problem. >> http://lists.alioth.debian.org/pipermail/sane-devel/2008-November/023197.ht >> ml http://bugs.debian.org/521410 >> Is the ADF issue going to be addressed by some future version of >> SANE? >> >> -- >> sane-devel mailing list: sane-devel at lists.alioth.debian.org >> http://lists.alioth.debian.org/mailman/listinfo/sane-devel >> Unsubscribe: Send mail with subject "unsubscribe your_password" >> to sane-devel-request at lists.alioth.debian.org > > ------------------------------------------------------- > > > I think that this issue has nothing to do with (X)SANE. I own a > ScanJet 8250 > and encountered this problem recently. It appeared to be related to > one of > the detectors not working properly. When I followed the advice in: > http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00158021 > the problem was resolved. > > > There is another annoying problem with the Avision backend (I think > but am not > sure) that remains: it will not allow to use the duplex facility of > the > ScanJet 8250. When you put the switch on the scanner to duplex > scanning, it > will continue to scan only one side. It works perfectly well when > using the > HP software under Windows though... This problem has been reported > before, > see: > http://lists.alioth.debian.org/pipermail/sane-devel/2008-November/023196.html > > Regards, Paul.
I once added some special ADF mode support, does it not work if you select --source "ADF Duplex" ? (I do not have such a scanner I can not test.) When I added this code the tester said it worked. -- Ren? Rebe - ExactCODE GmbH - Europe, Germany, Berlin http://exactcode.de | http://t2-project.org | http://rene.rebe.name
