HP 4700n Service Manual - Page 477

Interface troubleshooting Communications checks NOTE Communication problems are normally the customer's responsibility. Time spent attempting to resolve these problems might not be covered by the Hewlett-Packard Company warranty. Refer the customer to the network administrator for assistance in troubleshooting network problems. If the printer is not connected to an MS-DOS-based host, proceed to Table 7-35 Communications check on page 457. Table 7-35 Communications check Check Is your computer configured to the parameters that are described in the configuration instructions? Action These parameters are required in order to communicate with the printer. Verify that the configuration of the computer's communications port matches these parameters. NOTE If these parameters are not set correctly, an error message might display on the control panel. AUTOEXEC.BAT standard configurations Parallel MS-DOS commands Ensure that the AUTOEXEC.BAT file contains the following statements for parallel interface communications: MODE LPT1: ,,P For MS-DOS version 4.0 and above: MODE LPT1: ,,B NOTE This example assumes that you are using parallel printer port LPT1. If you are using LPT2 or LPT3, replace LPT1 in the example with the appropriate printer port. Printer Job Language (PJL) commands See the HP Printer Job Language Technical Reference Manual for a complete description of PJL commands. This manual is available with the HP PCL/PJL reference set on CD-ROM (part number 5021-0337). @PJL [Enter] This command enables the specified printer language. If the printer does not receive this command, it enables the default language. This ensures the correct operation for programs that do not support PJL. The following is the command syntax: @PJL [Enter] LANGUAGE = {PCL/PostScript} [] ENWW Interface troubleshooting 457