Mac OS X
When the printer is connected to Mac OS X and the Ready indicator does not flash or light up, try the following procedures to check the port connection.
Use [About This Mac] to check the USB information.
Use the printer browser to check if the printer is displayed.
Using [About This Mac]
Click Apple Menu, and then select [About This Mac].
Click [More Info].
Under [Contents], for [Hardware], Select [USB].
Using the printer browser
In the menu bar, click [Go], select [Application], and then select [Utilities].
Double click [Printer Setup Utility].
Click [Add].
The printer browser stars.
Confirm the printer is displayed on the browser. If it is not, reinstall the driver.
