[sane-devel] ScanJet 4C

Ted Parks tparks@linuxmail.org
Mon, 28 Mar 2005 11:08:47 +0800


Yes, I did reboot after changing the scanner's id.=20

I don't have a SCSI terminator on the other connector coming out of the 4C.=
 How important is a terminator? From my Mac days, I think I remember using =
unterminated SCSI devices without any problem.

Thanks,
Ted

----- Original Message -----
From: "Jeff Hubbs" <hbbs@comcast.net>
To: "Ted Parks" <tparks@linuxmail.org>
Subject: Re: [sane-devel] ScanJet 4C
Date: Sun, 27 Mar 2005 21:06:22 -0500

>=20
> Did you reboot or at least rmmod/modprobe your scsi card beore changing
> the scanner's scsi id?
>=20
>=20
> On Mon, 2005-03-28 at 07:04 +0800, Ted Parks wrote:
> > Checking the place in the SCSI chain indicated on the small dial=20
> > 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 the=20
> > 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 output=20
> > from sane-find-scanner follows. Is it normal for a usb scanner to=20
> > appear, even though none is attached?
> >
> > [root@localhost tparks]# sane-find-scanner
> >
> >   # No SCSI scanners found. If you expected something different,=20
> > 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 proprietary=20
> > ports can't be
> >   # detected by this program.
> >
> > Thanks,
> > Ted Parks
> >
> >
> > ----- Original Message -----
> > From: "Martin Collins" <martin@mkcollins.org>
> > To: sane-devel@lists.alioth.debian.org
> > 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" <tparks@linuxmail.org> 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: sane-devel@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@lists.alioth.debian.org
> >
> > -- ______________________________________________
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