lpstat can show information on all jobs in the printer queue, not just your own jobs.
/> disable Sales
printer "Sales" now disabled
/> lp -dSales /etc/passwd
request id is Sales-2 (1 file)
/> lpstat -t
scheduler is running
system default destination: Sales
device for Sales: /dev/lp0
Sales accepting requests since Wed Apr 15 21:01:36 1998
printer Sales disabled since Sat Apr 18 15:41:49 1998. available.
unknown reason
Sales-2 root 937 Apr 18 15:41