Dell 5130 Color Laser User's Guide (PDF) - Page 153

NOTE: Ensure that you load an envelope with the flap completely closed. NOTE: If you do not load envelopes in the MPF right after they have been removed from the packaging, they may bulge. To avoid jams, flatten them as shown below when loading them in the MPF. NOTE: If envelopes are still not fed correctly, add some bending to the lead edge of the envelopes as shown in the following illustration. The amount of the bending shall be 5mm or less. Loading Letterhead The letterhead must be toward the top edge of the standard tray or the optional feeder with the print side facing up. However, the letterhead must be inserted top edge first with the print side facing down when loading paper into the multipurpose feeder (MPF). Print media source Print side Face up Page orientation Tray 1 550-sheet feeder 1100-sheet feeder Letterhead enters the printer first MPF Face down Letterhead enters the printer first