12 Microline 390/391 Turbo/n|Operation Tip: Turning the Platen Knob! If you turn the platen knob when the printer is turnedon, you will cause the Top of Form to mis-align. Alwaysturn the printer off before turning the platen knob!Operation Tip: Control Access to thePrinterYou can control access to the printer by changing the settingfor the Operator Panel Function (in the Menu).When the Operator Panel Function is set to Full Operation(the factory default), all keys on the front panel operate.When the Operator Panel Function is set to LimitedOperation, the PRINT QUALITY and CHARACTER PITCHkeys don’t work. This prevents these settings from beingchanged from the control panel when several people areusing the printer.For more information, refer to “Using Your Printer, MenuMode, Menu Settings Table, Setup, Operator PanelFunction.”
