Symptom
A shared printer appears in your printer list even though you have turned off the option to "Show printers connected to other computers".
A shared printer contains a print job, but you cannot delete the print job in Print Center.
Solution
Use the CUPS Web Admin utility.
1. Open a Web browser and go to the address:
http://127.0.0.1:631
2. Click the "Manage Jobs" link.
3. Select print job then click the "Cancel Job" button.
Note: Only use the CUPS Web Admin Utility when you cannot resolve an issue in Print Center.
Related documents
106714: "Mac OS X: Troubleshooting Printing Issues"