gscan2pdf "Error opening device: Invalid argument"

[Michael Havens]

I got home from the gym and thought to myself that I should remove and
re-add my printer. Well, removing it was no problem but I found I had
difficulties re-adding it.
I go to menu->administration->printers->add.... but don't know what to do
past that. I tried entering the ip address of the printer into the URI
field and into Network printer->host field but that didn't work. What am I
doing wrong?

:-)~MIKE~(-:

On Thu, Oct 23, 2014 at 12:15 AM, Michael Havens <bmike1 at gmail.com> wrote:

> I got home from work and figured out why gscan2pdf isn't working. The
> printer isn't connecting to the system! I tried printing a test page and
> the Printer State field runs between 'processing' and 'rendering completed'
> but nothing prints. It is a wireless printer and I have no notes on setting
> it up (why? I have NO idea) If you could please help and I will write the
> notes down and then not bug you about it and possibly be able to help
> others.
>
> :-)~MIKE~(-:
>
> On Wed, Oct 22, 2014 at 11:00 AM, Michael Havens <bmike1 at gmail.com> wrote:
>
>> I got a problem: after I open gscan2pdf an info window appears saying:
>>
>>    Save as DjVu requires djvulibre-bin
>>    unpaper missing
>>    OCR requires gocr, tesseract, ocropus, or cuneiform
>>
>> after I close that window the little progress bar then runs back and
>> forth as it is "opening device".  Then an info window appears saying, :
>>
>>    "Error opening device: Invalid argument"
>>
>> It was working. It was doing this with gscan2pdf version 1.2.3 (the apt
>> version) so I updated  it to version 1.2.6 but it was still doing it. I
>> googled 'gscan2pdf "Error opening device: Invalid argument"' but their were
>> only 4 results. The only one of which might have helped said to:
>>
>>    rm  ~/user/.gscan2pdf
>>    rm: cannot remove ‘/home/bmike1/user/.gscan2pdf’: No such file or
>>       directory
>>
>> I then  ran apt-get for the programs it said were missing and now only
>> the "Error opening device: Invalid argument" info window appears.
>>
>> Any ideas as to how to resolve this?
>>
>> :-)~MIKE~(-:
>>
>
>
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