How to Print a #10 Envelope on an Epson EcoTank 2850 (Step-by-Step Guide)

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Printing envelopes on the Epson EcoTank ET-2850 can feel confusing the first time—but once you understand the setup, it’s quick and repeatable.

This guide walks you through exactly how to print a #10 envelope, including printer setup, Microsoft Word configuration, and proper envelope placement.

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What You’ll Need

• Epson EcoTank 2850 printer
• #10 business envelope
• Microsoft Word
• Recipient + return address

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Step 1: Prepare the Printer

Before adjusting any settings:

• Remove all regular paper from the tray
• Move the paper guide:
  • Back and to the left
  • Center it for the envelope

This ensures the envelope feeds correctly without jamming.

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Step 2: Set Envelope Size on the Printer

On the printer screen:

1. Press right arrow → Printer Setup → OK
2. Go to:
   • Paper Source Settings → OK
   • Paper Settings → OK
   • Paper Size → OK
3. Scroll and select:
   • #10 Envelope → OK

💡 Tip: If you get lost, press the Home button to reset.

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Step 3: Insert the Envelope Correctly

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• Insert envelope:
  • Seal side facing back
  • Aligned to the left guide

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Step 4: Set Up the Envelope in Microsoft Word

1. Highlight the recipient address
2. Go to:
   • Mailings → Envelopes
3. Word auto-fills the delivery address
4. Confirm:
   • Return address looks correct
   • Envelope size = #10
5. Click OK

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Step 5: Print the Envelope

1. Click Print
2. Confirm:
   • Printer = Epson EcoTank 2850
   • Paper size = #10 Envelope
3. Print your envelope

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Common Mistakes (Avoid These)

• Leaving regular paper in the tray
• Not setting printer paper size to #10
• Inserting envelope in the wrong direction
• Forgetting to update settings in Word

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🎥 Watch the Full Video Tutorial