AND offcourse, just a minute later, I found out in GOOGLE:
[root@andorinha ~]# lpc -Px476dw stop
Printer: x476dw@andorinha
x476dw@andorinha.antinsect.com.br: stopped
[root@andorinha ~]# lpc -Px476dw disable
Printer: x476dw@andorinha
x476dw@andorinha.antinsect.com.br: disabled
[root@andorinha ~]# lpc -Px476dw status
Printer Printing Spooling Jobs Server Subserver Redirect Status/(Debug)
x476dw@andorinha disabled disabled 0 none none
DISABLE avoid to anyone to put jobs on queue, STOP just avoid print jobs to be printed.
I´ll use DISABLE and create an alias disable-printer / script to be easy to use!