g2100config (GTK and console interface) will help you use all the features of an HP LaserJet 2100 series printer.
Here are some key features of "g2100config":
· Regular/Dark Courier Font
· Economode (draft-quality to reduce toner use)
· Tray Locking
· Test Pages - Configuration and Installed Fonts pages
Glade was used to create the GTK+ user interface.
make install (as root, installs in /usr/local/bin)