HP PCL/PJL reference - PCL 5 Comparison Guide
Page 191
... User Default Environment is stored in non-volatile RAM (NVRAM), which do not contain NVRAM). ENWW Print Environment 4-7 This print environment is reset to be set from either the control panel (if the printer has one) or through the control panel only. In newer printers with ... through PJL or both. In earlier printers without PJL, the feature settings contained in the event of a power cycle (except for the HP LaserJet 4L, 5L, 6L, and 1100 series printers, which allows it to the Factory Default Environment upon a cold reset. Note Table 4-3 lists the User Default Environment.
... User Default Environment is stored in non-volatile RAM (NVRAM), which do not contain NVRAM). ENWW Print Environment 4-7 This print environment is reset to be set from either the control panel (if the printer has one) or through the control panel only. In newer printers with ... through PJL or both. In earlier printers without PJL, the feature settings contained in the event of a power cycle (except for the HP LaserJet 4L, 5L, 6L, and 1100 series printers, which allows it to the Factory Default Environment upon a cold reset. Note Table 4-3 lists the User Default Environment.
HP PCL/PJL reference - Printer Job Language Technical Reference Manual
Page 96
... table lists the currently defined ESC/P-specific variables which are valid only for HP LaserJet 4PJ and 4LJPro printers, and optionally for these variables are in parentheses. Note that HP LaserJet 4PJ, 4V, and 4MV factory defaults for HP LaserJet 4V and 4MV printers. Also set FONTNUMBER to FONTNUMBER = 0, FONTSOURCE =... MS Mincho or MS Gothic font (usually M4), and set the personality to AUTO or PCL. (Alternatively, in HP LaserJet 4V and 4MV printers and a menu reset or cold reset is performed, the printer defaults to 1 for MS Mincho or 2 for PCL using the LPARM : ESCP option.
... table lists the currently defined ESC/P-specific variables which are valid only for HP LaserJet 4PJ and 4LJPro printers, and optionally for these variables are in parentheses. Note that HP LaserJet 4PJ, 4V, and 4MV factory defaults for HP LaserJet 4V and 4MV printers. Also set FONTNUMBER to FONTNUMBER = 0, FONTSOURCE =... MS Mincho or MS Gothic font (usually M4), and set the personality to AUTO or PCL. (Alternatively, in HP LaserJet 4V and 4MV printers and a menu reset or cold reset is performed, the printer defaults to 1 for MS Mincho or 2 for PCL using the LPARM : ESCP option.