HP 1100A - Manual (Page 39)

EN Printing letterhead 39
Printing letterhead
1 Load with the top down and the side-to-be-printed facing toward
the front of the printer. Adjust the paper guides to fit the width of
the paper.
2 Print.
To print a single page cover letter, using letterhead, followed by a
multi-page document, load the letterhead in the single-sheet paper
input tray and load the standard paper in the multi sheet paper input
tray. By default, the printer prints from the single sheet paper input
tray first.
Cover letter followed by document.
Use both input trays.