IBM 1725 SLS - Manual (Page 68)

Emulations
QMS 1725 SLS Print System User's Guide 2-34
Default Font Index
Sets the default font index when Select by Index is chosen in the
Administration/Emulations/PCL 5/Default Font menu. If a font by the
same index number exists, it is selected as the default font. This font
must be a cartridge or downloaded soft font.
Monochrome HP-GL/2
Allows your printer to emulate a monochrome or color plotter.
Default Enable
Notes This feature may be useful when printing PCL4 documents
which may inadvertently select unwanted scalable fonts.
Menu Administration/Emulations/PCL 5/Default Font Idx
Choices 00000-32767
Default Depends on cartridge or downloaded font(s)
Menu Administration/Emulations/PCL 5/Monochrome GL/2
Choices Off—Emulate a color plotter (8 pens). Since a monochrome
print system has only 2 pen colors (black and white), grayscale
patterns are substituted for other colors.
On—Emulate a monochrome plotter (2 pens).
Default On