WorkCentre Pro 421 User Guide 4-13PrintPrinter Driver FeaturesThere are a number of Printer Drivers available for theWorkCentre Pro 421. The features available depends on theprinter driver being used. The following feature descriptionsare an overview of the typical features provided by theWorkCentre Pro 421 Printer Drivers.For information about a specific Printer Driver feature, pleaserefer to the online Help facility provided as part of the PrinterDriver software.Control OptionsThere are a number of options which appear on all of theprinter driver screens:OK Saves all the new settings and closes the driver or dialog.These new settings remain in effect until you change them.Cancel Closes the dialog and returns all settings in the tabs to thevalues that were in place before you opened the dialog. Anychanges you have made are lost.Apply Saves all the changes you have made without closing thedriver.Defaults Resets the current tab and all its settings to the system defaultvalues. The action of this button applies only to the current tab.All other tabs remain unchanged.Default All Resets options to default system values on the Paper Output,Layout, and Image Options tabs. Other features and tabs maynot have specific default settings and will not be affected by thisbutton.Help Select the [Help] button in the bottom right of the printer driverscreen or [F1] on the PC keyboard for information on thedisplayed printer driver screen.