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Full user review
"bit confusing - figured it out, works great!"
My iPhone 4 picked up the printer effortlessly.
***I did not have to buy a Air Printer***
Confusing install for 10.7.4.
If you are running this version of an Intel Mac, the steps are not the same as described above.
Download AirPrintActivator 2.2b2
Separate window opens with two files: .dmg and a text file
Click on the .dmg
Pass warning window.
System Preferences>AirPrintActivator Preferences appears.
Software Update window also appears.
Go to System Preferences>Security and add AirPrintActivator to accept list.
Done from the MAC side.
On your iPhone 4, test print a small email, your printer will appear under Air Print Printers.