Each staple cassette holds 1,500 unformed staples. To load staples into the all-in-one, insert a staple
To load staples
Open the stapler door.
Opening the stapler door disables the stapler.
If you are replacing a staple cassette (for example, if your staple cassette has run out of
staples), remove the staple cassette from the all-in-one.
Insert one 1,500-staple cassette into the opening inside the staple door.
Close the stapler door.
Chapter 10 Convenience stapler (HP LaserJet 3392 all-in-one only)