HP 4100n HP LaserJet 4100mfp -User Guide - Page 122
Envelopes, Envelope construction, Envelopes with double-side seams
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Envelopes Envelope construction Envelope construction is critical. Envelope fold lines can vary considerably, not only between manufacturers, but also within a box from the same manufacturer. Successful printing on envelopes depends upon the quality of the envelopes. When selecting envelopes, consider the components listed below. Many envelope manufacturers are now making envelopes optimized for laser printers. q Weight: The weight of the envelope paper should be 75 to 105 g/m2 (20 to 28 lb), or jamming may result. q Construction: Prior to printing, envelopes should lie flat with less than 6 mm (0.25 inches) curl, and should not contain air. (Envelopes that trap air may cause problems.) q Condition: Make sure envelopes are not wrinkled, nicked, or otherwise damaged. q Sizes in Tray 1: From 76 by 127 mm (3 by 5 inches) to 216 by 356 mm (8.5 by 14 inches). q Sizes in the optional power envelope feeder: From Monarch (#7¾) (98.4 by 190.5 mm, or 3.88 by 7.50 inches) to B5 (ISO) (176 by 250 mm, or 6.93 by 9.84 inches). If you do not have an optional power envelope feeder, always print envelopes from Tray 1 (see "Using envelopes" on page 26). To print envelopes with the optional envelope feeder, see "Using an optional power envelope feeder" on page 26. If envelopes curl, try opening the rear output slot. Envelopes with double-side seams Double-side seams with envelopes have vertical seams at both ends of the envelope rather than diagonal seams. This style may be more likely to wrinkle unless properly constructed. Be sure the seam extends all the way to the corner of the envelope. 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 product. 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. Type of address Return address Delivery address Top margin 15 mm (0.6 inch) 51 mm (2 inches) Left margin 15 mm (0.6 inch) 89 mm (3.5 inches) Note For the best print quality, position margins no closer than 15 mm (0.6 inch) from the edges of the envelope. Envelope storage Proper envelope storage contributes to good print quality. Envelopes should be stored flat. If air is trapped in an envelope, creating an air bubble, the envelope may wrinkle during printing. 120 Appendix A - Specifications EN