Lexmark E312L User's Guide - Page 68
Interface, Error, to verify that the parallel buffer
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If your printer lights look like this when you double-click the operator panel button: Then your printer: has an error communicating with the host computer (Host Interface Error). This error is displayed if: • you have an external print server connected to your printer, but your printer can't detect it when you first turn the printer on, or • the computer attempts to communicate with the printer through the parallel port, but the port setting has been disabled in configuration mode, or • the computer attempts to communicate with the printer through the USB port, but the port has been disabled in configuration mode. • If this error occurs when you turn on the printer, double check that the ENA is still plugged in to the printer. • If you want to print through the parallel port, print a menu settings page (see Printing a test page) to verify that the parallel buffer setting is disabled. Re-enable the parallel port in configuration mode (see the table on page 69). • If you're printing through the USB port, print a menu settings page (see Printing a test page) to verify that the USB buffer setting is disabled. Re-enable the USB port in configuration mode (see the table on page 76). Indicator lights 55