I want to ask you to do another test, so that we can find out whether we
can stop blacklisting the usblp kernel module:

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 CUPS
version must be 1.5.3-0ubuntu2~ppa2.

Now turn off and turn on your USB printer and re-plug the USB (with the
printer turned on). Try to print. does it work now?

Independent whether printing works for you now or not, reactivate the
usblp kernel module by running the following two commands in a terminal
window:

sudo mv /etc/modprobe.d/blacklist-cups-usblp.conf ~
sudo modprobe usblp

Turn off and turn on your printer again and re-plug the USB (with the
printer turned on). Try to print again. does it also work now?

If it works, you are done. If it worked in the first test and stopped in
the second, return to the configuration of the first test by running the
following commands in a terminal window:

sudo mv ~/blacklist-cups-usblp.conf /etc/modprobe.d/
sudo rmmod usblp

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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1000253

Title:
  Brother HL-1440 printing extra page with PJL codes

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https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1000253/+subscriptions

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