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Printing Envelopes

Introduction
This document explains how to print envelopes using either Tray 1 or the optional envelope feeder, and how to install and remove the optional envelope feeder. It also provides specifications for envelopes.
About printing envelopes
It is possible to print envelopes from Tray 1 or the optional envelope feeder. Tray 1 holds up to 10 envelopes and supports standard or custom sizes. The optional envelope feeder holds up to 75 envelopes and supports only standard envelope sizes.
For printing on any size of envelope, make sure to set the margins in the program at least 15 mm (0.6 inch) from the edge of the envelope.
Printing performance depends on the construction of the envelope. Always test a few sample envelopes before purchasing a large quantity. (For information about envelope specifications, see "Envelope specifications" below.)
 warning:
Never use envelopes with coated linings, exposed self-stick adhesives, or other synthetic materials. These items can emit noxious fumes.
 caution:
Envelopes with clasps, snaps, windows, coated linings, exposed self-stick adhesives, or other synthetic materials can severely damage the printer.
To avoid jamming and possible printer damage, never try to print on both sides of an envelope.
Before loading envelopes, make that sure they are flat and not damaged or stuck together. Do not use envelopes with pressure-sensitive adhesive.
 note:
The printer might print at a slower speed when printing envelopes.
Loading envelopes in Tray 1
Many types of envelopes can be printed from Tray 1. Up to 10 can be stacked in the tray. (For information about envelope specifications, see "Envelope specifications" below.)
  1. Open Tray 1, but do not pull out the extension. (Most envelopes feed best without the extension. However, oversize envelopes might need the extension.)
    Figure : Opening Tray 1
  2. Load up to 10 envelopes in the center of Tray 1 with the front side facing up, and the postage-end toward the printer. Slide the envelopes into the printer as far as they will go without forcing them.
    Figure : Loading envelopes
  3. Adjust the guides to touch the envelope stack without bending the envelopes. Make sure that the envelopes fit under the tabs and maximum-height indicators on the guides.
    Figure : Adjusting the guides
  4. To reduce curl and jams, open the rear-output bin to use the straight-through paper path. (See the printer User Guide for information about printing to the rear-output bin.)
Feeding envelopes automatically (optional envelope feeder)
With the optional envelope feeder, the printer will automatically feed up to 75 standard-size envelopes. See the printer User Guide for information about ordering an optional envelope feeder.
  • Print only on envelopes approved for use in the printer. (For information about envelope specifications, see "Envelope specifications" below.)
  • Before using the optional envelope feeder, ensure that the printer driver is set to recognize it. (This setting only needs to be made once. See the printer driver online Help for details.)
  • Become familiar with the parts of the optional envelope feeder, as shown in Figure 4.
      Figure : Parts of the optional envelope feeder
    1. Tray extension
    2. Envelope weight
    3. Release lever
    4. Guides
Installing the optional envelope feeder
Use these steps to install the optional envelope feeder onto the printer.
  1. Open Tray 1.
    Figure : Opening Tray 1
  2. Remove the plastic envelope-entrance cover from the printer.
    Figure : Removing the plastic envelope-entrance cover
  3. Insert the optional envelope feeder firmly into the printer until it latches into position. Pull outward on the optional envelope feeder to be sure that it is securely in place.
    Figure : Inserting the envelope feeder in the printer
Removing the optional envelope feeder
Use these steps to remove the optional envelope feeder from the printer.
  1. Press the release button that is located on the left side and pull the optional envelope feeder away from the printer.
    Figure : Pressing the release button and pulling the envelope feeder away from the printer
  2. Replace the plastic envelope-entrance cover in the printer and close Tray 1.
    Figure : Replacing the plastic envelope-entrance cover and closing Tray 1
Loading envelopes in the optional envelope feeder
Use these steps to load envelopes in the optional envelope feeder.
  1. Fold down the envelope-feeder tray. Lift the envelope weight.
    Figure : Folding down the envelope feeder tray and lifting the envelope weight
  2. Squeeze the release lever that is located on the left-envelope guide and slide the guides apart.
    Figure : Squeezing the release lever
  3. Load envelopes with the front side facing up, and the postage-end toward the printer. (Stack envelopes no higher than the arrows on the guides.) Slides the envelopes into the printer as far as they will go without forcing them. The envelopes at the bottom of the stack should slide in slightly further than the envelopes at the top of the stack.
    Figure : Sliding envelopes at the bottom in further than envelopes at the top
  4. Adjust the guides to touch the envelopes without bending them.
    Figure : Adjusting the guides
  5. Lower the envelope weight onto the envelopes.
    Figure : Lowering the envelope weight
  6. To reduce curl and jams, open the rear-output bin to use the straight-through paper path. (See the printer User Guide for information about printing to the rear-output bin.)
 note:
Select the envelope size in one of these locations, trying them in this order: in the program, in the printer driver, or on the Paper Handling menu at the printer control panel.
Envelope specifications
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.
  • Weight: The weight of the envelope paper should be 75 to 105 /m2 (20 to 28 lb), or jamming might result.
  • Construction: Prior to printing, envelopes should lie flat with less than 6 mm (0.25 inch) curl, and should not contain air. (Envelopes that trap air might cause problems.)
  • Condition: Make sure that envelopes are not wrinkled, nicked, or otherwise damaged.
  • Sizes in Tray 1: Standard and custom sizes from 76 x 127 mm (3 x 5 inches) to 216 x 356 mm (8.5 x 14 inches).
  • Sizes in the optional envelope feeder (Standard sizes):
    • COM 10 Envelopes
    • Monarch Envelopes
    • C5 Envelopes
    • DL Envelopes
    • B5 Envelopes
    From Monarch (#7-3/4) (98 x 191 mm, or 3.9 x 7.5 inch) to B5 (ISO) (176 x 250 mm, or 6.9 x 9.8 inch).
If an optional envelope feeder is not installed, always print envelopes from Tray 1. To print envelopes with the optional envelope feeder, see "Feeding envelopes automatically." If envelopes curl, try opening the rear-output bin.
Envelopes with double-side-seams
Double-side-seam construction has vertical seams at both ends of the envelope rather than diagonal seams. This style might 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 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.
Type of address
Top margin
Left margin
Return address
15 mm (0.6 inch)
15 mm (0.6 inch)
Delivery address
51 mm (2 inches)
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 storage of envelopes helps contribute to good print quality. Envelopes should be stored flat. If air is trapped in an envelope, creating an air bubble, then the envelope might wrinkle during printing.

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