HP 2500 HP PCL/PJL reference - Printer Job Language Technical Reference Manual - Page 329

Explicit Switching Explicit switching occurs when a printer language is activated due to processing a PJL ENTER command. Factory Default Factory defaults refer to the feature settings that are programmed into the printer at the factory. These values are stored in read-only memory and cannot be changed. Factory default settings are in use unless you override them using either the control panel or by sending printer commands. Factory Default Environment A factory default is a setting programmed into the printer at the factory. The group of all the printer's factory settings is referred to as the Factory Default Environment. Implicit Switching Implicit switching occurs when a printer language is activated due to reception of non-PJL data which is not preceded by a PJL ENTER command. (See context-sensitive printer language selection.) Job Boundary The beginning or end of a print job. The position between two characters of data in the data stream where the previous character is the last character of the previous print job, and the next character is the first character of the next print job. Macro A macro is a collection of escape sequences, control codes, and data downloaded to the printer. Its execution can be initiated using a single command. Modified Print Environment Once a printer language, such as PCL, is entered, the current feature settings constitute the modified print environment. Whenever a feature setting is altered using printer language commands, the new setting is recorded in the Modified Print Environment. EN Glossary-3