HP Color LaserJet Managed MFP E77800 Series, HP LaserJet Managed MFP E72500 Series - User Guide

4. Push in the two blue tabs, and then lift up to open
the top of the staple cartridge carriage.
5. Lift two tabs on each staple cartridge, and then lift
up to remove the empty staple cartridges from the
staple cartridge carriages.
NOTE: Do not discard the staple cartridge carriages.
They must be reused with the new staple cartridges.
6. Insert the new staple cartridges into the staple
cartridge carriages, and then close the top of the
staple cartridge carriers.
7. Reinstall the two staple cartridge carriages into the
booklet maker by pressing the colored handles
until they snap into place.
ENWW Replace the staple cartridge 57