Brother International HL 1240 Service Manual - Page 301

For Apple Macintosh Computers user CHAPTER 4 TROUBLESHOOTING Problem Unable to print from application software. Recommendation • Make sure that the supplied Macintosh printer driver is installed in the System Folder and it is selected with Chooser. • Check the PORT selection within the Chooser : it should match the port to which you physically attached the printer cable. • The serial slide switch of the optional interface board should be in the Apple (RS-422A) position. • Check the printer cable type : you cannot use a Local Talk or straight-through cable. Refer to Chapter 2 for details on printer cable types. For iMac and Power Macintosh G3 with USB Problem HL-1240 (or HL-1250) does not appear in Chooser. Unable to print from application software. Recommendation • Check the printer is turned on. • Check the USB interface cable is connected correctly. • Check the printer driver is installed correctly. Make sure that the supplied Macintosh printer driver is installed in the System Folder and it is selected with Chooser. 4-17