HP 5100tn Printer Job Language - Technical Reference Manual - Page 118

Note The supported variables and range of values for each variable may not be the same in all PJL printer models. See Appendix A for a list of valid variables for each printer, or send the @PJL INFO VARIABLES command to request this information directly from the printer. value - This parameter is the returned value of the requested variable. For example, if you sent the DINQUIRE LOWTONER command, the returned value is either ON or OFF (or CONTINUE/STOP), indicating whether or not you want the printer to stay online when the toner is low. See Appendix A for valid variable values. Parameters: Parameter personality port variable value Variable Names PCL ESCP POSTSCRIPT (other personalities may be supported) PARALLEL SERIAL Supported on HP LaserJet 4PJ only Valid variables for each printer are listed in Appendix A. Acceptable values for each variable are also listed in Appendix A. 7-10 Status Readback Commands