HP-GL TO HP-GL/2 COMMAND CHANGES LEGEND: Ec = [Ctrl] [P] [Esc] in DOS EDIT There are some commands of the HP-GL language that are not available in the HP-GL/2 language for LaserJets, because of the differences between the LaserJet printers, and HP Plotters. XT AND YT ( X TICK AND Y TICK ) This command allows for automatic x- and y-axis tick mark printing. It is not available in HP-GL/2 as implemented on the LaserJet printers. RP ( REPLOT ) This command allows a plotter to recreate the plot image without sending new data to the plotter, (or printer). The only way to produce multiple copies on the LaserJet running in HP-GL/2 mode is to send a PCL copies command before entering HP-GL/2 mode, then at the end of the plot file an exit HP-GL/2 command is required. PG ( PAGE ADVANCE ) This is an eject plot command. It has been disabled in the LaserJets to allow mixing of HP-GL/2 and PCL commands on the same page. The only way to eject a page is from PCL mode. The following commands will cause a conditional (if buffer holds data) page eject: Printer Reset Command EcE Page Size Command Ec&l#A Paper Source Command Ec&l#H Page Length Command Ec&l#P Orientation Command Ec&l#O The printer will also unconditionally eject the page if a form feed control code character is sent (Decimal value 012 in ASCII). A form feed can also be invoked on the front panel of the printer if there is data in the buffer. Copyright Hewlett-Packard Co. 1993 The information contained herein is subject to change without notice. Hewlett-Packard shall not be liable for incidental or consequential damages in connection with the use of this material.
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