HP 1200 series Basic Manual page 14

HP Fax 1200 Series
4 Slide the paper-width and -length adjusters in until they stop at the edges of the
paper, and be sure that the paper stack lies flat in the input tray and fits under the
tab of the paper-length adjuster.
5 Push the input tray back in until it stops.
8 Chapter 3—Load paper or transparency film, or load originals