3–38 Operator ManualControl Panel Key FunctionsControl Panel Key FunctionsOnline KeyThis key toggles the printer between Online and Offline states,or exits from the menu directly to an Online state. When theprinter is Online, the indicator will light. In the Offline state,you may change parameter selections, load paper, and so on.LF Key (Line Feed)This key advances the paper one line. It performs the samefunction whether the printer is Online or Offline. You mayauto-repeat this command by holding down the key.While Offline With Data BufferedAny buffered data falling in the next line (as defined by thecurrent LPI setting), prints. This repeats upon subsequent LFkeystrokes as long as there is data in the buffers. If pressedwhile printing is in progress, the printer ignores the key com-mand and maintains the Top of Form position.While Offline With No Data BufferedPaper advances one line. While printing is in progress, the printer ignores thecommand and maintains the Top of Form position.While In A Fault ConditionPaper advances one line. No data is printed and the Top of Form position movesdown one line. This allows the use of the LF Key to advance paper while in aPaper Out condition without printing any buffered data.FF Key (Form Feed)This key performs the same function whether the printer is Online or Offline.While Offline With Data BufferedAny buffered data falling between the current form position and the top of thenext form (as defined by the current Form Length setting), prints. This functionrepeats upon subsequent FF keystrokes as long as there is data in the buffers.The printer ignores the command while printing is in progress and maintains theTop of Form position.While Offline With No Data BufferedPaper advances to the top of the next form. The printer ignores this commandwhile printing is in progress and maintains the Top of Form position.Figure 3 - 3. Control Panel
