The machine is notready.Confirm that the Power lamp is lit green.If the Power lamp is off, turn the machine on.While the Power lamp is flashing green, themachine is initializing. Wait until the Powerlamp stops flashing and remains lit green.If the Alarm lamp is lit orange, an error mayhave occurred on the machine. For details onhow to resolve the error, see An Error MessageIs Displayed on the LCD.Machine is notconnected properly.Make sure that the USB cable is securelyplugged in to the machine and the computer.If you are using a relay device such as aUSB hub, disconnect it, connect the machinedirectly to the computer, and try printingagain. If printing starts normally, there is aproblem with the relay device.Consult the reseller of the relay device fordetails.There could also be a problem with theUSB cable. Replace the USB cable and tryprinting again.Your machine is notselected in Printeron the Print dialogbox.Select your machine's name in Printer on thePrint dialog box.If your machine's name does not appear inPrinter, follow the procedure below to checkthat the driver for your machine is installed toyour computer.(1) Select Print & Fax Preferences inPrinter.In Mac OS X v.10.2.8 or 10.3.x, select EditPrinter List in Printer.(2) Check that your machine's name isdisplayed in the list of printers and that thecheck box is selected.In Mac OS X v.10.2.8, check that your machine'sname is displayed in Printer List.(3) If your machine's name is not displayed,click Add(+) to add the machine.If you cannot add the machine, follow theprocedure described in your setup sheet to190