HP Color LaserJet CM6030CM6040 Multifunction Printer series - Manual (Page 224)

2. Push up to on the staple cartridge to remove it from the booklet maker or stapler/stacker.
3. Insert the replacement staple cartridge unit into the stapler unit.
4. Push the staple cartridge unit into the stapler unit until it clicks into position.
5. Close the front door.
208 Chapter 14 Manage and maintain the product ENWW