HP 2200 HP PCL/PJL reference - Printer Job Language Technical Reference Manual - Page 52
Comments, For HP LaserJet 4PJ, 4V, 4MV, 5Si, 5SiMx, 5Si Mopier printers, if - laserjet page count
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Note Note • DISPLAY="display text " - The command option DISPLAY is used to display a job message on the control panel display. The message is displayed when the printer begins to work on this job and is removed when the last page of this job reaches the output bin. The variable "display text" can be any combination of printable characters and spaces or horizontal tabs, with a maximum of 80 characters. The actual number of characters displayed depends on the printer. The display limit can be determined by sending an INFO CONFIG command to the printer. The printer will return DISPLAY LINES = value and DISPLAY CHARACTER SIZE = value as part of the response. For HP LaserJet 4PJ, 4V, 4MV, 5Si, 5SiMx, 5Si Mopier printers, if the LANG variable is set to Japanese, messages are displayed using the JIS X0201-76 character set. For the LaserJet 4000, 5000, 8000, and 8100 series printers, if LANG is set to POLISH, CZECH, or HUNGARIAN, messages are displayed using the Latin 2 (ISO 8859/2) character set. If LANG is RUSSIAN, messages are displayed using Cyrillic (ISO 8859/5). For LANG=TURKISH, the display is in Latin 5 (ISO 8859/9). This is also true for the HP Color LaserJet 4500 printer, except there is no support for Turkish or Hungarian on this printer. Comments: When a JOB command is received, the printer does not recognize the UEL command as a PJL job boundary until an EOJ command is received. UEL commands within a PJL JOB/EOJ command pair are treated as printer language resets; they default the print environment to the PJL Current Environment settings, instead of the User Default Environment. If your application has status readback capabilities, you can monitor the job status using the USTATUS command with the JOB option. If job status is enabled and the printer receives a JOB command, it returns a job status message. Resetting the page count associated with unsolicited page status affects only future pages. Pages already processed, but not yet printed, are not affected. 5-4 Job Separation Commands EN