HP OEM HP Color LaserJet CM4540fskm Stapler Assembly - For The Stapler Stacker Multi-Bin Mailbox;;HP Color LaserJet CM4540fskm Stapler Assembly - For The Stapler Stacker Multi-Bin Mailbox;HP, Color, LaserJet, CM4540fskm, Stapler, Assembly, Stapler, Stacker, Multi-B Mailbox, RM1-5166;Brand: HP