HP 3840 - Manual (Page 68)

• Calibrate: Calibrates the print cartridges.
• Calibrate Color:
Adjusts color to correct problems with tint.
• Supplies: Provides print cartridge selection numbers.
• Support: Provides access to the HP Web site where you can find support for
the printer and information about HP products and supplies.
• Register: Accesses the HP Web site to register the printer.
HP Deskjet 3840 series printer User's Guide
68