Peter, Thanks so much for your helpful reply, also for the link to the hp-backend page.
The problems continue. The scanner does not appear under "Attached Devices"= in /proc/scsi/scsi. And sane-find-scanner fails to list the scanner also. = Should the 4C show up as an attached SCSI device? I will follow Allan's advice on the list to get a terminator. However, the = 4C has a terminator switch on the back, which I have tried in both the + an= d - positions. Thanks, Ted ----- Original Message ----- From: "Peter Kirchgessner" <[email protected]> To: "Ted Parks" <[email protected]> Subject: Re: [sane-devel] ScanJet 4C Date: Mon, 28 Mar 2005 08:10:29 +0200 > > Hi, > > the SCSI-ID 7 has a special meaning. I don't remember what, but=20 > maybe it is the SCSI-ID of the controller itself. SCSI-ID 0 may=20 > als be reserved. So I would recommend to use 1 to 6 only. > Usually the hp-backend is configured to find the SCSI scanner=20 > automatically or at least at /dev/scanner. This requires that=20 > /dev/scanner is a link to the device where the scanner is really=20 > located. Run the tool sane-find-scanner from SANEs=20 > tools-directory. This will print a list of device names where the=20 > scanner is found. If for example /dev/sg0 is in that list (this=20 > is what your log says), become root, create a link and set=20 > permissions with the commands > > ln -s /dev/sg0 /dev/scanner > chmod 666 /dev/sg0 > > You also can try to force scanimage to use the correct device: > > scanimage -d hp:/dev/sg0 > scan.ppm > > For further informations how to configure the hp-backend have a look at > > http://www.kirchgessner.net/sanehpfaq.html#HPFAQ0A > > --Peter > > Ted Parks schrieb: > > Checking the place in the SCSI chain indicated on the small=20 > dial > on my ScanJet 4C, I discovered the scanner was set on 7. I=20 > > changed it to 0 and 1, but Sane still cannot find the scanner. > > > > My continuing questions: > > 1) What should the SCSI setting be for the ScanJet? 0? It is=20 > the > only device I have connected to the SCSI port. As Martin >=20 > suggested, changing the setting from 7 cleared up the repetitions=20 > > in dmesg, where the machine found the scanner 7 times! But Sane=20 > > still does not see the ScanJet. > > > > 2) Dmesg still has two entries associated with the scanner: > > > > First: > > > > SCSI subsystem initialized > > PCI: Found IRQ 9 for device 0000:00:10.0 > > PCI: Sharing IRQ 9 with 0000:00:07.2 > > scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 > > <Adaptec 2940 SCSI adapter> > > aic7870: Single Channel A, SCSI Id=3D7, 16/253 SCBs > > > > Vendor: HP Model: C2520A Rev: 3503 > > Type: Processor ANSI SCSI revision: 02 > > Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 3 > > > > Then: > > > > Vendor: HP Model: C2520A Rev: 3503 > > Type: Processor ANSI SCSI revision: 02 > > Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0, type 3 > > > > This seems to me, perhaps because of my inexperience with SCSI,=20 > > that FedoraCore is attaching the scanner in two places. Why is=20 > > sg0 found at scsi0 in the first entry, then at scsi1 in the >=20 > second? If this is an error, how do I correct it? > > > > 3) Finally, to provide a fuller account of my problem, the=20 > output > from sane-find-scanner follows. Is it normal for a usb=20 > scanner to > appear, even though none is attached? > > > > [root@localhost tparks]# sane-find-scanner > > > > # No SCSI scanners found. If you expected something=20 > different, > make sure that > > # you have loaded a SCSI driver for your SCSI adapter. > > > > found USB scanner (vendor=3D0x049f, product=3D0x505a) at libusb:001:002 > > # Your USB scanner was (probably) detected. It may or may not=20 > > be supported by > > # SANE. Try scanimage -L and read the backend's manpage. > > > > # Scanners connected to the parallel port or other=20 > proprietary > ports can't be > > # detected by this program. > > > > Thanks, > > Ted Parks > > > > > > ----- Original Message ----- > > From: "Martin Collins" <[email protected]> > > To: [email protected] > > Subject: Re: [sane-devel] ScanJet 4C > > Date: Sun, 27 Mar 2005 04:34:16 +0100 > > > > > >> On Sun, 27 Mar 2005 08:41:42 +0800 > >> "Ted Parks" <[email protected]> wrote: > >> > >> > >>> Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 3 > >> > >> ... > >> > >>> Attached scsi generic sg6 at scsi0, channel 0, id 6, lun 0, type 3 > >>> > >>> But, when I run sane-find-scanner, sane reports that there are no > >>> SCSI scanners attached, instead finding a USB scanner that does not > >>> exist. I created a symbolic link between /dev/scanner and >>>=20 > /dev/sg0. What am I doing wrong? > >> > >> The scanner should only be found once not seven times. Have you set > >> the ID on the scanner and terminated the chain properly? > >> > >> Martin > >> > >> -- > >> sane-devel mailing list: [email protected] > >> http://lists.alioth.debian.org/mailman/listinfo/sane-devel > >> Unsubscribe: Send mail with subject "unsubscribe your_password" > >> to [email protected] > > > > > > -- Peter Kirchgessner > http://www.kirchgessner.net > mailto:[email protected] --=20 ______________________________________________ Check out the latest SMS services @ http://www.linuxmail.org=20 This allows you to send and receive SMS through your mailbox. Powered by Outblaze
