Envelopes with Double-Side-Seams Double-side-seam construction has vertical seams at both ends of the envelope rather than diagonal seams. This style may be more likely to wrinkle. Be sure the seam extends all the way to the corner of the envelope as illustrated below. Acceptable Unacceptable Figure 1-3 Envelopes with Double-Side-Seams Envelopes with Adhesive Strips or Flaps Envelopes with a peel-off adhesive strip or with more than one flap that folds over to seal must use adhesives compatible with the heat and pressure in the printer. The extra flaps and strips might cause wrinkling, creasing, or jams.
Envelope Margins The following table gives typical address margins for a Commercial #10 or DL envelope. Table 1-14. Envelope Margins Type of Address Top Margin Left Margin Return Address 0.6 in (15 mm) 0.6 in (15 mm) Delivery Address 2 in (51 mm) 3.5 in (89 mm) Note For the best print quality, position margins no closer than 0.6 in (15 mm) from the edges of the envelope. EN Paper Specifications 1-17