Just for information. Later versions of sane-backends will auto detect the
kodak AiOs using avahi instead of cups.
But there could be similar problems due to the compiled code depending on the
presence/absence of avahi headers.
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On 03/03/15 06:19, Rolf Leggewie wrote:
Thanks, Paul. Do you still own the scanner in question?
Yes, I still have kodak aio printer scanners.
I'm not sure if working on this bug is still worth the effort.
Since sane backends 1.0.24 I think we are using avahi instead of cups to
do the network
Till, The printer is a kodak aio hero 9.1
and the driver is my c2espC driver, with command filter command2esp.
This all used to work, for both print self test and clean heads.
But recently I noticed that it no longer worked.
However, if I make a text command file called "selftest" containing
More investigation:
Using ubuntu live DVDs : commands in system-config-printer of ubuntu 13.10 work
OK. In ubuntu 14.10 they do not work.
I uninstalled system-config-printer 1.5.6 from my xubuntu 15.04, then installed
version 1.3.8 The commands work OK.
So some change between system-config
** Description changed:
xubuntu 15.04 64 bit
system-config-printer 1.5.6
when I click the button "Print self test page", I expect the printer to
produce a self test page
instead I get error "client-error-bad-request" and no self test page.
the cups error log has the entry
Yes it seems to be a buffering problem
in file printerproperties.py
I changed the line
with tempfile.NamedTemporaryFile(mode='wt') as tmpfile:
to
with tempfile.NamedTemporaryFile(mode='wt',buffering=1) as tmpfile:
and now the command file sending works for me.
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Till,
system-config-printer version 1.3.8 works
version 1.5.6 does not work.
My impression is that the command file generated in printerproperties.py
using
with tempfile.NamedTemporaryFile(mode='wt') as tmpfile:
tmpfile.write ("#CUPS-COMMAND\n%s\n" % command)
has a size of
Public bug reported:
xubuntu 15.04 64 bit
system-config-printer 1.5.6
when I click the button "Print self test page", I expect the printer to produce
a self test page
instead I get error "client-error-bad-request" and no self test page.
the cups error log has the entry
Print-Job
What I meant was that it was not worth working on autodetection using cups,
when the method had changed to avahi.
I do not know if the avahi autodetection works for everyone, though I have not
seen many complaints about that. But I guess I should be able to test it by
seeing if the live DVD
I did a trial with a live DVD. Ubuntu 16.04
A network connected kodakaio printer can be auto detected. (I think that's with
avahi)
scanimage -L lists the printer.
So this bug is solved.
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