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Hewlett-Packard HP-GL plotters are supported through an RS-232C serial I/O port.
Set the Hewlett-Packard plotters at 9600 baud with 7 data bits, 1 stop bit, and even parity.
For detailed cabling, switch setting, and other information related to using the HP-GL driver, see HP-GL Custom Properties Dialog Box.
For more information about using this driver, see the topic HP-GL Driver Custom Properties.
The 7580, 7585, 7586, DraftPro DXL/EXL, DraftMaster I, 7586B, and 7596A plotters return hard clip limits to AutoCAD. These limits require two-way communication between AutoCAD and the plotter. The plotter sends AutoCAD the installed paper's exact plot area so that AutoCAD can position the plot on the paper based on the actual sheet size. If you turn off the AutoCAD request for hard clip limits, AutoCAD positions the plot based on the configured paper size. In most cases, if you turn off hard clip limits, you must adjust the configured paper size to reflect the actual printable area of the device. Otherwise, your plot may be clipped. You can adjust the location of the plot on the paper by changing the plot origin.
If your plot is sent through the Windows print spooler, the AutoCAD request for hard clip limits is turned off because of a conflict with a Windows system printer or because you're plotting to a network port. If you see a warning message, you may have to adjust your configured paper size and plot origin.
AutoCAD sends the plot to the currently configured port in the same manner that it sends the plot to a file. After the plot is sent, you can plot directly to plotter buffers or over networks.
For roll-fed media, HP-GL devices limit the frame height. Frame height varies with roll width. You must perform a long-axis plot to plot more than the frame height.
AutoCAD determines whether a long-axis plot is necessary when you configure to use a long-axis paper size and when you create a long-axis plot paper size using the Add Paper Size wizard in the Plotter Configuration Editor.
The driver sends all vectors to the plotter buffer or hard disk. The pen plotters automatically advance the page to plot each frame.
Follow the instructions in the Hewlett-Packard user's guide. For long-axis, multiframe plotting, you need a black 0.3 mm fiber-tip pen (for plotter paper) or a 0.35 mm drafting pen (for vellum or polyester film) in pen stall 8. Only these pens enable the plotter to detect the registration marks used for frame-to-frame alignment.
When you create a long-axis plot with the 7586B roll-feed plotter, the Out of Limit light comes on occasionally. Generally this is a result of the interaction between AutoCAD and the plotter when plotting very large drawings.