HP LaserJet 3100 All-in-One Printer series - Manual (Page 17)

16 1 Set Up EN
Identifying parts
Before setting up the HP LaserJet 3100 product, make sure you can
identify the following parts related to the scanner path and paper print
path.
Identifying scanner path parts
Items to be faxed, copied, or scanned use the scanner path, which
consists of the following parts:
Document
Feeder Tray
Special Media Lever (on top edge
of Document Release Door)
Document
Release Door/
Control Panel
Document
Output Slot