HP 2500 HP PCL/PJL reference (PCL 5 Printer Language) - Technical Quick Refere - Page 27

Color (continued) Monochrome Print Mode Designates either the current rendering mode or a fast gray-scale equivalent. ? & b # M # = 0 # = 1 Print in mixed render algorithm mode Print everything in gray equivalent Status Readback Set Status Readback Location Type Sets the location type for an inquire entity status request. ? * s # T # = 0 - Invalid Location 1 - Currently Selected 2 - All Locations 3 - Internal 4 - Download entity 5 - Cartridge 7 - SIMMs Set Status Readback Location Unit Sets the location unit for an inquire entity status request. ? * s # U Location Type 0 1 2 3 4 5 7 Location Unit # = * Invalid location = * Currently selected = * All Locations = 0 All internal = 0 All downloaded = 1 Temporary downloaded = 2 Permanent downloaded = 0 All cartridge = 1 Highest priority cartridge :: n Lowest priority cartridge = 0 All SIMMs = 1 Highest priority SIMM :: n Lowest priority SIMM 25