Cannot Print over Bonjour networks
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Check1 Is the computer you are trying to print from configured correctly?
Make sure the computer is configured correctly.
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Check2 Are the computer and printer on the same network?
Due to the nature of Bonjour, printing may not be possible if the printer is on another network behind a router. Make sure the computer and printer are on the same network. For information about network settings, ask your network administrator.
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Check3 Are the printer's Bonjour settings configured correctly?
Make sure the Bonjour settings are configured correctly.