Hitachi SCANJET N9120 - Manual (Page 20)

Install or replace a print cartridge in the imprinter
The scanner uses an HP 51604A print cartridge. You must purchase the print cartridge
separately.
1. Raise the ADF input tray until it clicks into place.
2. Lift the green lever slightly, and slide the imprinter completely to the left.
3. Raise the cartridge stall latch.
Chapter 2
18 Useful scanner features