HP 4600 Service Manual - Page 380
AUTOEXEC.BAT standard configurations, Parallel MS-DOS commands, Printer Job Language (PJL) commands
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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} [] UEL This command (also referred to as the universal exit language command) terminates the current printer language and returns control to PJL. It performs the following actions: ■ Prints all data that was received before this command. ■ Performs a reset: E in PCL, D in PostScript. ■ Turns control over to PJL. This command is also a valid HP-GL/2 terminator. The UEL command must be immediately followed by the "@PJL" command prefix. Characters or control codes other than @PJL (such as or ) enable the default language and process the print job in that language. All jobs must begin and end with the UEL command. In addition to starting PJL, the UEL command creates the same effect as the E command. However, the E command should always be included to ensure backward compatibility. @PJL COMMENT This command designates the current line as a comment, which is ignored. The following is the command syntax: @PJL COMMENT [] 364 Chapter 7 Troubleshooting ENWW