I can confirm that this is working for me in Precise.
You must add
Option usb-unidir true
to the printers.conf file
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Title:
Delay after every
Tres Finocchiaro, this is an old bug report which is already marked as
fixed. Therefore I recomment to first boot a live system of a newer
Ubuntu release and check whether the problem is gone there. If the
problem still persists, it probably has another origin than this bug. In
this case please rep
*Correction, Here is the AskUbuntu question:
http://askubuntu.com/questions/427176/cups-print-delays/
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Title:
Delay after every print job on USB
I too have a hard time determining if this issue is fixed. I tried
contacting Canonical for paid support on this to no avail.
Here is the AskUbuntu question:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028
Here is the bug report for my FOSS Java software:
https://github.com/qzindustr
I have this problem with Epson Stylus Photo R300 printer, tried setting
lpadmin -p Stylus-Photo-R330 -o usb-unidir-default=true
but still have several seconds delay at the end of print job, i.e. the printer
stops, waits several seconds, then does final carriage return and paper feed.
I've also tri
I did not decide yet but probably we will backport the change to
Precise.
The change is immediately active, also on existing printer definitions.
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Will that change be back-ported to Precise?
Will that work for existing printer defintions, or new ones only?
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Title:
Delay after every print jo
The current version of CUPS in Quantal sets uni-directional for all
Zebra printers, so the problem of the original poster is solved out-of-
the-box now.
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OK, latest update for CUPS and ML1710 and everything is back to normal
again. I can queue up print jobs, switch on the printer and they will
all come out. Thanks!
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Here is the printer from my lsusb that needs the uni-directional
setting:
Bus 002 Device 003: ID 0a5f:0027 Zebra
Bus 002 Device 003: ID 0a5f:0027 Zebra
Device Descriptor:
bLength18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass7 Printer
bDe
I have to count about 20 seconds between job to ensure print success
else jobs don't get printed. Sometimes they don't print after the
printers warm-up cycle ends. Bidirectional worked fine for many years.
Please just reinstate the old behaviour as I don't think unidirectional
is working either.
Note that to actually solve this problem you need to force uni-
directional mode.
This can be done by the command
lpadmin -p -o usb-unidir-default=true
with replaced by the name of your print queue.
Everyone with this problem please post the output of the command
lsusb
here, so that we can
I suspect there has been some sort of regression somewhere.
When I updated to the newer version, I had this problem again.
I had the problem on two machines after the upgrade to 1.5.3-0ubuntu3.
The problem seemed to resolve itself when I downgraded to 1.5.3-0ubuntu2~ppa11.
@Rocklobster, I can
@Rocklobster - you should probably open a new bug. See comment #49. I
doubt the developers are watching this one any more.
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Title:
Delay after
I'll add that in my printers.conf I have:
Option usb-unidir true
This hasn't helped one iota.
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Title:
Delay after every print job on USB
To ma
I don't think it's fixed. I am using 12.04/x64 that is completely up to
date with CUPS 1.5.3-0ubuntu3 and I am still getting these messages
after every time I print on my Samsung ML1710. CUPS used to work just
fine until recently. I don't know which update started to make it fail
for me as I pri
This bug was fixed in the package cups - 1.5.3-0ubuntu2
---
cups (1.5.3-0ubuntu2) precise-proposed; urgency=low
* debian/patches/usb-backend-further-enhancements.patch: Added latest
development work on the libusb-based USB backend:
- Support for uni-directional devices, bot
Mitch, thank you very much for testing, I have set the "verification-
done" tag now.
** Tags removed: verification-needed
** Tags added: verification-done
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It works great. No noticeable delay between print jobs.
Also verified that the setting persists across reboots.
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Title:
Delay after every print
Please change the tag to "verification-done". I can't figure out where
to do that.
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Title:
Delay after every print job on USB
To manage notific
Hello Mitch, or anyone else affected,
Accepted cups into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/cups/1.5.3-0ubuntu2 in
a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubu
Yes, it is persistent. It creates an entry in /etc/cups/printers.conf.
Use always the commands given in this bug report,
/etc/cups/printers.conf can only be edited if the CUPS daemon is
stopped, otherwise the daemon would restore it to the old state.
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lpadmin -p -o usb-unidir-default=true
will this setting change be persistent across reboots and restarts of
CUPS?
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Title:
Delay after every pri
Yes, it is not yet approved.
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Title:
Delay after every print job on USB
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I'm not seeing the fix in proposed yet. Is it still pending?
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Title:
Delay after every print job on USB
To manage notifications about this bug
Please use "In progress" instead of "Fix commited" as the status for bugs that
have a fix in the queue but not yet accepted to -proposed, otherwise it's
making our reports quite confusing...
The SRU script will automatically changed it to "Fix commited" when it lands in
-proposed and then "Fix
** Changed in: cups (Ubuntu Precise)
Assignee: (unassigned) => Till Kamppeter (till-kamppeter)
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Title:
Delay after every print job on USB
T
** Description changed:
Ubuntu 12.04 64 bit (also 32 bit is affected)
Zebra LP 2844-Z USB printer - connected with a generic "raw queue" driver.
usblp0 appears to disconnect after every print job and then
automatically reconnect after 8 seconds. The next job to the printer
won't print
Uploaded proposed fix for Precise to the precise-proposed package
repository. As soon as it gets approved we will post another comment
here with instructions how to install and test it. Please test it that
as your feedback here is required for making the package an official
update.
For the SRU tea
This bug was fixed in the package cups - 1.5.3-3
---
cups (1.5.3-3) experimental; urgency=low
* debian/patches/usb-backend-further-enhancements.patch: Added latest
development work on the libusb-based USB backend:
- Support for uni-directional devices, both protocol-1 devic
Installed cups from Till's PPA and I can confirm that it works without delay in
uni-directional mode.
Thank you so much.
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Title:
Delay after eve
Thank you very much for testing. As your case is rather rare and also
not predictable when setting up the printer, I will include the USB
backend with the option to force uni-directional access in the next
update (SRU) for CUPS in Precise and also propose this version for CUPS
upstream.
Please sta
** Attachment added: "error_log for ppa7 test"
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028/+attachment/3190851/+files/error_log.ppa7
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apt-cache policy cups
cups:
Installed: 1.5.3-0ubuntu2~ppa7
Candidate: 1.5.3-0ubuntu2~ppa7
test 1 - blacklisted, normal mode (not unidirectional)
prints OK, 8 second delay
test 1a - blacklisted, uni-directional mode
prints OK, little or no delay between jobs
test 2 - not blacklisted,
Next testing round: cups 1.5.3-0ubuntu2~ppa7 is uploaded to my PPA now
and this respects uni-directional devices and gives some more messages
in error_log.
Please repeat the tests with it (with and without blacklisting usblp)
and attach syslog and error_log of the failing tests.
In addition, you
** Attachment added: "error log for ppa5 test"
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028/+attachment/3188215/+files/error_log.20120613b
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apt-cache policy cups
cups:
Installed: 1.5.3-0ubuntu2~ppa5
Candidate: 1.5.3-0ubuntu2~ppa5
Test 1 - blacklisted
prints OK but still has 8 second delay (printed 3 jobs)
Test 2 - not blacklisted
prints OK but still has 8 second delay (printed 3 jobs)
syslog and error_log attached
** Atta
New version uploaded which does not do an initial reset on the printer
(~ppa5). please do the same tests with this version.
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Title:
Delay after e
** Attachment added: "error_log for today's tests"
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028/+attachment/3187754/+files/error_log.20120613a
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apt-cache policy cups
cups:
Installed: 1.5.3-0ubuntu2~ppa4
Candidate: 1.5.3-0ubuntu2~ppa4
test 1 - usblp blacklisted
did not print
test 2 - not blacklisted
did not print
syslog and error_log attached
** Attachment added: "syslog for today's tests"
https://bugs.launchpad.net/ubuntu/+
Next testing round to get the USB backend working: In some hours cups
1.5.3-0ubuntu2~ppa4 will be available on my PPA, update your system to
get it, check whether you actually got it, and do the tests of comment
#15 again. For each failed test attach the error_log and
/var/log/syslog, thanks.
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** Attachment added: "Syslog for these tests"
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028/+attachment/3185216/+files/syslog
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Ti
I started with a clean system.
With 1.5.3-0ubuntu1
prints fine with 8 second delay
Installed 1.5.3-0ubuntu2~ppa3
Rebooted
/etc/modprobe.d/blacklist-cups-usblp.conf contains
# cups talks to the raw USB devices, so we need to blacklist usblp to avoid
# grabbing them
blacklist usblp
unplugge
I also tried the 1.5.3-0ubuntu2~ppa3 above requested, but could not print at
all with or without usblp.
At one time, I could print one job, but then needed to unplug the USB and
replug it in again before it would print another job. I rebooted a few times
between attempts. I've reverted to 1.5.3
Even with the usblp kernel module blacklisted you are not able to print?
Please do tests for the case with the usblp module active and with the
usblp module blacklisted and attach the error_log for both.
If you do not have a file /etc/modprobe.d/blacklist-cups-usblp.conf run
the following command
Does this mean that with the official SRU of CUPS (1.5.3-0ubuntu1) you
can print and with both PPA versions (~ppa2 and ~ppa3) you are not able
to print?
Can you attach your error_log of the failed jobs with the newest version
(~ppa3)?
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apt-cache policy cups
cups:
Installed: 1.5.3-0ubuntu2~ppa3
Candidate: 1.5.3-0ubuntu2~ppa3
Test results same as before. Nothing prints.
Syslog attached.
** Attachment added: "syslog for today's test - won't print"
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1001028/+attachment/3
My CUPS upload to my PPA (1.5.3-0ubuntu2~ppa2) is broken. In some hours
the new version 1.5.3-0ubuntu2~ppa3 will be available. Please wait for
this new version, update your system then, check whether you actually
have 1.5.3-0ubuntu2~ppa3 and then do the tests of comment #15 again.
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cups:
Installed: 1.5.3-0ubuntu2~ppa2
Candidate: 1.5.3-0ubuntu2~ppa2
Test 1 - did not print at all.
Several of these messages in syslog:
usb 3-1: usbfs: process 2631 (usb) did not claim interface 0 before use
Test 2
mv /etc/modprobe.d/blacklist-cups-usblp.conf ~
mv: cann
The packages have arrived, please update and re-test.
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Title:
Delay after every print job on USB
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h
The new packages are still in the queue on the build server. It will
take several hours until it is their turn to get built. For amd64 the
build is scheduled to happen in ~1 hour, for i386 in ~14 hours from now.
The relevant parts of the version you have tested are identical with the
CUPS SRU for
apt-cache policy cups
cups:
Installed: 1.5.3-0ubuntu2~ppa1
Candidate: 1.5.3-0ubuntu2~ppa1
This is not the version you mentioned, but I don't have a ppa2 version
to install.
First test after updating: printer works, but there is till the 8
second delay between jobs.
Second test: same result
I have uploaded a modified CUPS package to my PPA now. Please add my PPA
to your system as described on
https://launchpad.net/~till-kamppeter/+archive/ppa
in the section "Adding this PPA to your system" and then install the new
CUPS package, preferably by simply doing a full system update. The CU
Reopening wrongly closed Precise task.
** Changed in: cups (Ubuntu Precise)
Status: Fix Released => Confirmed
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Title:
Delay after every p
This bug was fixed in the package cups - 1.5.3-0ubuntu1
---
cups (1.5.3-0ubuntu1) precise-proposed; urgency=low
[ Till Kamppeter ]
* New upstream release
- Numerous fixes on IPP (LP: #945028, LP: #973270, LP: #990734,
LP: #992468, LP: #992982, LP: #1000172, LP: #100075
Unfortunately, the USB backend fixes applied in the most recent CUPS
packages for Quantal and in the proposed SRU for Precise do not fix this
problem. Reopening for Quantal and taking out of the SRU process for
Precise.
** Summary changed:
- usblp0 removed after every print job
+ Delay after ever
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