MFP M527c, f and z 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.
http://www8.hp.com/us/en/hp-information/environment/product-recycling.html
HP recommends responsible disposal of the defective part.
Recycle and unpack

Push the staple cartridge straight into the printer to install it.
Install the staple cartridge

Close the stapler door.
Close the stapler door
