HP LaserJet 4345 Multifunction Printer series - Manual (Page 294)

7. Slide the new hard disk into the slot on the formatter door. Make sure that the black
plastic latch on the left side of the hard disk is firmly seated in its slot.
8. Reconnect the ribbon cable to the top of the new hard disk.
9. Close the formatter door.
10. Replace the formatter cover.
11. Reinstall the output bin, the 3-bin mailbox, or the stapler/stacker.
280 Appendix E MFP memory and expansion ENWW