[sane-devel] Printer/Scanner HP3300 locks-up when done

[Rob Tanner]

That made all the difference.  Instead of /dev/usb/lp0, I'm setup to 
print to /var/run/ptal-printd/mlc_usb_scanner, and it printing and 
scanning both work great.

-- Rob

--On Friday, January 03, 2003 09:08:06 AM -0800 David Paschal 
<paschal@rcsis.com> wrote:

> Rob Tanner wrote:
>> Scanning works fine, but afterwards the printer won't print, in
>> fact,  it won't even recognize print commands.  I end up having to
>> power-cycle  it every time I'm finished with a scanning session.
>>
>> I presume that the software is putting the device into scan mode and
>> then failing to reset it.  Is this a known issue?  Is there a known
>> work-around?  Does anyone know the sequence I need to write directly
>> to  the printer to reset it?
>
> Hi, Rob.  Make sure you set up printing according to the instructions
> in the hpoj documentation.  In particular, you can't just print to
> something like /dev/lp0 or /dev/usb/lp0, because the low-level I/O
> driver which allows you to scan (ptal-mlcd) has to have exclusive
> direct access to the device.  Instead, you print to something under
> /var/run/ptal-printd (for lpd) or using the "ptal" backend (for CUPS).
>
> I hope this helps.  If you have any further questions or problems
> about the hpoj software that aren't covered in the documentation, the
> hpoj-devel mailing list (http://hpoj.sf.net/join.shtml) is the best
> place to discuss them.
>
> David
>
>




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  Rob Tanner
  McMinnville, Oregon
  <rtanner@cheshiresgrin.net>