HP 2500 HP PCL/PJL reference - Printer Job Language Technical Reference Manual - Page 269

Resource Saving Printers that support resource saving: HP LaserJet 4 Plus, 4M Plus, 4V, 4MV, 4Si, 4SiMx, 4000 series, 5, 5M, 5P, 5MP, 6P, 6MP, 5Si, 5SiMx, 5Si Mopier, 2100 series, 5000 series, 8000 series, 8100 series Resource saving is a feature that allows you to prevent loss of permanent resources (such as fonts, macros, and PostScript dictionaries) when the printer language, page protection, or resolution status changes. You can use either PJL or the control panel to configure resource saving on HP LaserJet 4 Plus, 4M Plus, 4V, and 4MV printers. For HP LaserJet 4Si/4SiMx and 5Si/5SiMx printers, resource saving is only configurable from the control panel. Printer-Specific Job Boundaries Printers that support PJL job boundaries: HP LaserJet 4, 4M, 4 Plus, 4M Plus, 4V, 4MV, 4Si, 4SiMx, 4ML, 4P, 4MP, 4PJ, 4LJ Pro, 4LC, 4000 series, 5, 5M, 5P, 5MP, 6P, 6MP, 5Si, 5SiMx, 5Si Mopier, HP Color LaserJet, HP Color LaserJet 5, 5M, 4500 series, 8500 series, LaserJet 2100 series, 5000 series, 8000 series, 8100 series The printers listed above handle the following conditions as PJL job boundaries. When any of these conditions occur, the User Default Environment values are loaded into the PJL Current Environment, which then are loaded into the Modified Print Environment. • Control panel reset • Printer language-specific exit command, such as ^D for PostScript. (Printer language-specific exit commands are not job boundaries when within a PJL JOB/EOJ command pair.) • Data stream idle timeout (this occurs when a PJL job is in progress and there is no data received over the I/O for a specified length of time). To avoid a timeout, use the PJL JOB or ENTER commands, since using the JOB or ENTER commands increases the time the printer waits for I/O data. This increase is because the printer is processing a job with clearly indicated start-of-job and end-of-job data stream commands. See the following "Timeouts" section. EN Product-Specific Feature Support A-47