Panasonic DP-MB251CX Operating Instructions Manual page 86

12. Programmable Features
Feature
Error page
printing
Emulation setting
86
Code Selection
#777 When "ON" is selected, the unit will print the error information after a processing
problem related to the page description language (PCL or PostScript) occurs.
M0N "OFF" (default)
M1N "ON"
#779 To set the emulation (printer language).
M1N "AUTO" (default)
M2N "PCL"
M3N "POSTSCRIPT"