HP 4300tn HP PCL/PJL reference - Printer Job Language Technical Reference Manu - Page 136
STATUS Category, Example: Using the INFO STATUS, Command
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Note STATUS Category The INFO STATUS command returns online status (TRUE=online, FALSE=offline), the message currently displayed on the control panel, and a status code. In the following example, the status code is 10001, which means the printer is ready. (See Appendix D for a list of all printer status codes.) Only the "string" portion of the "DISPLAY =" status message is localized; the same message as that displayed on the control panel appears in whichever language is used. For those printers supporting Japanese printing, when the language is set to Japanese, strings which correspond to a control panel message are displayed on the control panel using the JIS X0201-76 character set. Example: Using the INFO STATUS Command This example requests status information. The printer, in this case a HP LaserJet 4 printer, returns a status code (10001), the message displayed on the control panel (00 READY), and the online status (ONLINE=TRUE). %-12345X@PJL @PJL COMMENT Using @PJL INFO STATUS @PJL ECHO 17:45:22.5 05-17-92 @PJL INFO STATUS %-12345X A sample HP LaserJet 4 printer response for this example is shown here. Other PJL printers may produce a different response. @PJL ECHO 17:45:22.5 05-17-92 @PJL INFO STATUS CODE=10001 DISPLAY="00 READY" ONLINE=TRUE 7-24 Status Readback Commands EN