HP LaserJet Enterprise M4555 MFP series - Manual (Page 25)

Accessibility features
The product includes several features that aid you with accessibility issues.
● Online user guide that is compatible with text screen-readers.
● The print cartridge can be installed and removed by using one hand.
● All doors and covers can be opened by using one hand.
● Paper can be loaded in Tray 1 by using one hand.
ENWW Accessibility features 5