Printer settings in Mac> 56PRINTER SETUP OPTIONSPrinter optionsMedia weightSelect the thickness or type of paper in the printer. It isimportant to set this correctly as it affects the temperatureat which the toner is fused to the paper. For example, ifyou are printing on normal A4 paper, do not select Labelsor Transparency as this may cause toner smearing andpaper jams.Auto tray switchIf the printer runs out of paper in the current tray, AutoTray Switch automatically changes to a tray that has thesame type of paper and continues printing.Paper size checkSelect Paper Size check if you want the printer to warn youwhen the document paper size is different from the paperin the printer.A warning message is displayed and printing continueswhen you load the correct paper in the paper tray andpress ONLINE. When this option is deselected, the printeruses the paper loaded in the selected tray regardless of thedocument size.