LJConfig 1.2 allows you to easily modify the settings of supported HP LaserJet printers from your desktop across any sort of printer connection. Version 1.2 allows you to change the Lines Per Page, Control Panel Display, Density, Tray Locking, Fuser Temperature, EconoMode, REt, and Resolution settings.
LJConfig supports the following LaserJet printers:
Some LaserJet 4s (4 Plus, 4Si, and some others)
* LaserJet 5P, 5MP, 5L-FS, 5L Xtra
* LaserJet 6P, 6MP, 6L, 6L Xtra
* LaserJet 1100
* LaserJet 1200/1220
* LaserJet 2100/2200
* LaserJet 3200
* LaserJet 4000/4050/4100
* LaserJet 5000
* LaserJet 8000/8100/8150