HP LaserJet 3100 All-in-One Printer series - Manual (Page 18)

EN 1 Set Up 17
Identifying printer path parts
Paper for printing, received faxes, and copy output follows the printer
path. This path consists of the following parts:
Printer Door
Paper Path
Lever
Front Paper
Output
Printer Door
Release Latches
Single-Sheet
Input Slot
Paper Input Bin
Paper Output Bin