What is the purpose of the pull-out keyboard on the HP flow MFPs?

What is the purpose of the pull-out keyboard on the HP flow MFPs?
A . To provide an easier and faster way to enter information into the MFP control panel
B. To enable use of the embedded word processor feature to create documents directly on the MFP
C. To provide a way to edit or add text to a scanned document file
D. To provide access to custom features that is not available on the MFP touch screen control panel

Answer: C