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 following components:
• Weight: The weight of the envelope paper should not exceed 28 lb (105 g/m2), or jamming may result.
• Construction: Prior to printing, envelopes should lie flat with less than 0.25 in (6 mm) curl, and should not contain air. (Envelopes that trap air may cause problems.)
• Condition: Make sure envelopes are not wrinkled, nicked, or otherwise damaged.
• Sizes in Tray 1: From 3 by 5 in (76 by 127 mm) to 8.5 by 14 in (216 by 356 mm).
• Sizes in the optional envelope feeder: From 3.5 by 6.3 in
If you do not have an optional envelope feeder, always print envelopes from Tray 1. If envelopes wrinkle, try opening the Rear Output Bin.
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