Sane and HP 4100C usb scanner

[adavis@saipan.com]

This scanner was working until recently.  An upgrade to sane and some
kernel recompiles have taken place in the interim.  I am seeking
advice about the sane upgrade, whether it may have broken for me.

I had a bit of trouble to set this scanner up on a sid box, quite some
time ago.  Perhaps over six months ago.  It all worked pretty ok---with
some glitches, but ok.  

It took some tweaking of /etc/sane.d/dll.conf and
/etc/sane.d/hp.conf.  In hp.conf, it was trial and error, and all the
previous posts etc. I read didn't give a clue.  I had to add a line to
hp.conf after poring over email, lists, docs.  Then it worked.  

|    #scsi HP
|    #/dev/scanner
|    # uncomment this if you're using a usb scanner
|     /dev/usbscanner0
|       option connect-device  <-- added this line
|       ^^^^^^^^^^^^^^^^^^^^^ 

Now it's stopped.  Perhaps coincident with the recent sane upgrade.
Perhaps something else? 

Also, in the meanwhile, I added preliminary usb dev file system
support.  Is this a possible source of trouble?  Also, I installed, or
tried to install, a lexmark z23 printer on the same usb bus.  

Now, sane-find-scanner works.

|   # Note that sane-find-scanner will find any scanner that is connected
|   # to a SCSI bus and some scanners that are connected to the Universal
|   # Serial Bus (USB) depending on your OS. It will even find scanners
|   # that are not supported at all by SANE. It won't find a scanner that
|   # is connected to a parallel or proprietary port.
|   
|   # You may want to run this program as super-user to find all devices.
|   # Once you found the scanner devices, be sure to adjust access
|   # permissions as necessary.
|   
|   sane-find-scanner: found USB scanner (vendor = 0x03f0, product = 0x0101) at device /dev/usbscanner
|   sane-find-scanner: found USB scanner (vendor = 0x03f0, product = 0x0101) at device /dev/usbscanner0

But scanimage -L fails to find a scanner.  

I recompiled the kernel with usb-ohci.o and scanner.o  hardwired into
the kernel.  No change.  I have tried the unplug/replug, and replug
the usb cable.  No help.  the hp_scan utility works ok.  

This looks a WHOLE lot like the earlier problems, some capriciousness
in the config files.  I didn't allow new config files to be written at
upgrade, but recently have tweaked them a bit.  

I undid the usb dev fliesystem, but the situation isn't better.

Thanks for any advice.  It was sure great to have a scanner!

Alan Davis
Marianas High School

-- 
adavis@saipan.com                                     1-670-322-6580
    Alan E. Davis,  PMB 30, Box 10006, Saipan, MP 96950-8906, CNMI

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