You see the print status window:
2.Select the following options as necessary:
OS X 10.6/10.7:
•To cancel printing, click the print job and click the Delete icon.
•To pause a print job, click the print job and click the Hold icon. To resume a print job, click the print job marked "Hold" and click the Resume icon.
•To pause printing for all queued print jobs, click the Pause Printer icon.
•To check ink status, click the Supply Levels icon.
OS X 10.8/10.9:
•To cancel printing, click the 
button next to the print job.
•To pause a print job, click the 
button next to the print job. To resume a print job, click the 
button.
•To pause printing for all queued print jobs, click the large Pause button.
•To check ink status, click the Settings icon, then click the Supply Levels tab.
Parent topic: Printing Your Document or Photo - OS X
Cancelling Printing Using a Product Button
If you need to cancel printing, press the 
Stop/Reset button on your product.
Parent topic: Printing from a Computer
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