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HP OfficeJet Pro X476DW missing standard output or feedback stream

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  HP OfficeJet Pro X476DW missing standard output or feedback stream Antti Louko <alo@iki.fi> - 2014-06-07 20:03 +0300
    Re: HP OfficeJet Pro X476DW missing standard output or feedback stream luser- -droog <mijoryx@yahoo.com> - 2014-06-08 10:49 -0700
    Re: HP OfficeJet Pro X476DW missing standard output or feedback stream James Cloos <cloos@jhcloos.com> - 2014-06-10 20:07 -0400
      Re: HP OfficeJet Pro X476DW missing standard output or feedback stream Antti Louko <alo@iki.fi> - 2014-06-11 10:06 +0300
        Re: HP OfficeJet Pro X476DW missing standard output or feedback stream Antti Louko <alo@iki.fi> - 2014-06-17 10:33 +0300

#1917 — HP OfficeJet Pro X476DW missing standard output or feedback stream

I just got HP OfficeJet Pro X476DW.  Postscript seems to be quite OK
after some basic testing.  Printer is fast and scanner has working
autofeeder with duplex support.

However, on Postscript side, any operators which are supposed to print
back using print, ==, pstack etc. operators, produce no data back to the
TCP channel.  I used the normal "telnet printer-IP-address 9100" way to
connect.

Does anyone know more about this?  Is it common to disable the feedback
channel totally.  I have some scripts which have used this in the past.

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#1918

On Saturday, June 7, 2014 12:03:19 PM UTC-5, Antti Louko wrote:
> I just got HP OfficeJet Pro X476DW.  Postscript seems to be quite OK
> after some basic testing.  Printer is fast and scanner has working
> autofeeder with duplex support.
> 
> However, on Postscript side, any operators which are supposed to print
> back using print, ==, pstack etc. operators, produce no data back to the
> TCP channel.  I used the normal "telnet printer-IP-address 9100" way to
> connect.
> 
> Does anyone know more about this?  Is it common to disable the feedback
> channel totally.  I have some scripts which have used this in the past.

I've never heard of disabling the back channel. But Postscript 3 makes
lots of system parameters accessible to the script. There may be one 
that does this. Or it may be something you need to enable from the
front panel, like printing error reports on paper.

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#1919

There might be a config setting which affects whether port 9100 is
bidirectional.

I seem to recall seeing such on another printer at some point, but the
memory is vague.  Something along the lines of which class of 1284 it
should emulate?

-JimC
--
James Cloos <cloos@jhcloos.com>         OpenPGP: 0x997A9F17ED7DAEA6

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#1920

James Cloos wrote:
> There might be a config setting which affects whether port 9100 is 
> bidirectional.

If there is, it is not visible to any user accessible menus.

> I seem to recall seeing such on another printer at some point, but
> the memory is vague.  Something along the lines of which class of
> 1284 it should emulate?

I don't think they would still have any LPT compatibility as HP printers
hav not had parallel interfaces for many years.  And earlier models,
even from 1990s didn't have any LPT emulation visible in their Jetdirect
interfaces.

I opened a support case for this.  I will tell here how it goes.

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#1921

Antti Louko wrote:

> I opened a support case for this.  I will tell here how it goes.

And now they closed the case, without any comments.  Quite rude, I
think.  I had to phone them to reopen the case.

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