USING THE CONTROL PANEL 3.1533Job Time OutYou can set the time length the printer waitsbefore printing the last page of a print jobthat does not end with a command to printthe page.When a print time-out occurs, the printerprints the page in the print buffer.RS-232CThis item is only available if the optionalserial interface card is installed in yourprinter. For details, see page F.6.• Baud Rate: Lets you select the rate atwhich data is being sent to or from yourcomputer using the serial communication.Note that using a setting higher than19200 bps with the COM port may causeunexpected errors in DOS mode.• Robust XON: Turns use of XON/OFF ofserial communication control on or off.When this item is set to On, the printersends a continuous stream of XONs to thecomputer to indicate that the serial port isready to receive more data.MaintenanceThis item allows you to maintain the tonercartridge.• OPC Cleaning: Cleans the OPC drum ofthe cartridge and produces a cleaningsheet with toner debris on it.• Fuser Cleaning: Cleans the fuser unitinside of the printer and produces acleaning sheet with toner debris on it.• Remain Toner: This item allows you tocheck how much toner are left in thecartridge.Item ExplanationValues: 0 ~ 300 sec *15 sec