HP 220240 - Manual (Page 37)

2.6.2 Selecting Faceup Printouts (Rear Output Tray)
Use the following procedure to select the rear output tray for faceup
printing.
1. Set the printout selector to the envelope/faceup position.
MLO-005126 (Figure 2-10; 16 picas)
2. Fold out the extension tray.
MLO-005125 (Figure 2-11; 16 picas)
2–10 Operator’s Guide