In Windows, you cannot cancel a print job from the computer once it has been completely sent to the printer. In this case, cancel the print job by using the printer's control panel.
When printing several pages from Mac OS, you cannot cancel all of the jobs by using the control panel. In this case, cancel the print job from the computer.
If you have sent a print job from Mac OS X v10.6.8 through the network, you may not be able to cancel printing from the computer. In this case, cancel the print job by using the printer's control panel.