HP LaserJet 4250 - Manual (Page 209)

Ordering directly through the HP Toolbox software (for
printers that are directly connected to a computer)
The HP Toolbox software gives you the ability to order supplies and accessories directly
from the computer. To order supplies by using the HP Toolbox, click Toolbox Links, and
then click Order Supplies. A link is provided to the HP Web site for ordering supplies.
ENWW Ordering parts, accessories, and supplies 197