M577f and M577z models only.
Open the stapler door.
Open the stapler door

Pull the staple cartridge straight out of the printer to remove it.
Remove the staple cartridge

Unpack the replacement part from the packaging.
For complete information on HP's recycling programs, go to Product return and recycling.
HP recommends responsible disposal of the defective part.
Recycle and unpack

M577f and M577z models only.
Push the staple cartridge straight into of the printer to install it.
Install the staple cartridge

Close the stapler door.
Close the stapler door
