HP LaserJet 8000 Multifunction Printer series - Manual (Page 82)

Chapter 2 Printing Tasks 82
Selecting the Input Tray
7 Insert up to 500 sheets of paper into the tray.
Do not fill the input tray above the paper fill
marks on the guides.
Note
For single-sided and double-sided printing,
place paper into the tray with the side-to-be-
printed down. The top of the letterhead should
be toward the rear of the tray.
7