More about hex and printing and gdi printers...

Peter Alcibiades palcibiades-first at
Mon Dec 28 03:59:26 EST 2009

And by the way, one last thing.  When you do this, permissions will stop
ordinary users from addressing lp0.   Which obviously you will tell by
trying out the command from the terminal and discovering that it works with
su but not as ordinary user.   And putting the user into the lp group with
usermod does not fix this, I don't know why.  You could probably use suid,
but the simplest way may be to install sudo (which Ubuntu will already have)
and then edit the sudoers file to permit the user to use lp.  Otherwise
everything will be set up right, but it won't work.
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