System setup2713. Useful Setting MenusAuto ContinueDetermine whether or not the machine continuesprinting when it detects the paper does not match thepaper settings.• 0 Sec: This option allows you to continue printingwhen the paper size you have set is mismatched withthe paper in the tray.• 30 Sec: If a paper mismatch occurs, an error messagewill display. The machine waits for about 30 second,then automatically clear the message and continueprinting.• Off: If a paper mismatch occurs, the machine waitsuntil you insert the correct paper.AltitudeAdjustmentOptimize print quality according to the machine’saltitude.Humidity Optimizes print quality according to the humidity in theenvironment.Auto CR Allows you to append the required carriage return toeach line feed, which is useful for Unix or DOS users.Firmware Version Shows the product’s firmware version.Item DescriptionAuto Tray SwitchDetermine whether or not the machine continuesprinting when it detects the paper does not match. Forexample, if both tray 1 and tray 2 are filled with the samesize paper, the machine automatically prints from tray 2after the tray 1 runs out of paper.This option does not appear if you selected Autofor Paper Source from printer driver.Paper SubstitutionAutomatically substitutes the printer driver’s paper sizeto prevent the paper mismatch between Letter and A4.For example, if you have A4 paper in the tray but you setthe paper size to Letter in the printer driver, the machineprints on A4 paper and vice versa.Skip Blank PagesThe printer detects the printing data from computerwhether a page is empty or not. You can set to print orskip the blank page.Tray ProtectionDecides to use or not use the Auto tray switch feature.If you set tray 1 to On, for example, then tray 1 isexcluded during tray switching.This setting works for copy or print jobs: Itdoesn't affect fax jobs.Item Description