How to Print Envelopes on Brother MFC Printer

Learning how to print envelopes on Brother MFC printer models can save you hours of hand-addressing mail, whether you're sending out invoices, holiday cards, or professional correspondence. Brother's MFC (Multi-Function Center) lineup — spanning everything from compact inkjet units to robust laser all-in-ones — handles envelope printing surprisingly well once you know the correct settings. The key is in the tray configuration, driver settings, and feed method. Get those three things right, and you'll be printing clean, crisp addresses on envelopes in minutes. This guide walks you through the entire process from hardware setup to driver configuration, with troubleshooting tips for the most common snags along the way.

Brother MFC printers are popular choices in home offices and small businesses because of their versatile paper handling. However, envelopes present a unique challenge: they're thicker than standard paper, have a flap that can catch on rollers, and vary considerably in size. The good news is that most Brother MFC models include a manual feed slot or a dedicated bypass tray specifically designed for non-standard media like envelopes, labels, and cardstock. Once you understand how to use that feed path alongside the correct driver settings, the process becomes straightforward and repeatable. You can also explore the full range of Brother and other printer options to find a model that fits your specific printing needs.

Understanding How Brother MFC Printers Handle Envelopes

Before diving into settings, it helps to understand the mechanics. Unlike standard A4 or letter-size paper, envelopes have varying thicknesses — especially near the flap seam — and they can be sensitive to heat from laser fuser units. Brother MFC printers route media through different paths depending on whether they're inkjet or laser-based, and this distinction matters when it comes to envelopes.

Manual Feed Slot vs. Paper Tray

Most Brother MFC inkjet models (such as the MFC-J series) allow envelopes to be loaded directly into the main paper tray, but only a small stack at a time — typically no more than 10 envelopes. Brother MFC laser models (the MFC-L series) generally require you to use the manual feed slot or the multi-purpose tray, sometimes labeled as MP Tray. This bypass path runs the envelope on a straighter route through the printer, reducing the bending that causes jams and print misalignment.

The straight-through paper path is especially important for laser printers because the fuser — the component that bonds toner to the page using heat and pressure — can crinkle or warp envelopes if they travel through the standard curved paper path. Always check your specific model's manual to confirm which feed method is recommended.

Envelope Compatibility by Model Type

Brother's inkjet MFC models handle most common envelope types: #10 business envelopes, C5, C6, DL, and Monarch sizes. Laser MFC models are generally compatible with the same range but require heavier-weight envelopes (at least 75–90 g/m²) to withstand the fusing temperature. Avoid envelopes with plastic windows or metallic coatings in laser printers — the heat can melt adhesives and damage the fuser unit. According to the Wikipedia article on envelopes, standard business envelopes are typically made from 60–90 g/m² paper stock, making most commercial envelopes compatible with Brother laser printers when the correct settings are applied.

Preparing Your Printer for Envelope Printing

Proper physical setup is half the battle. A correctly loaded envelope — aligned, unsealed, and positioned against the right guide — will feed cleanly on the first attempt. Rushing this step is the most common reason envelope printing fails.

Loading Envelopes Correctly

Follow these steps to load envelopes into a Brother MFC printer:

1. Close the flap. Press the envelope flap firmly down so it lies flat. An open or partially sealed flap can catch on feed rollers and cause a jam.
2. Orient the envelope face-down. For most Brother MFC models, envelopes should be loaded face (print side) down with the top edge (the address side) going in first.
3. Flap position: For landscape-oriented envelopes (like a #10 business envelope), the flap should face toward you, on the bottom edge. For portrait orientation, the flap should face left.
4. Load one at a time for laser models. When using the manual feed slot on laser MFC printers, feed envelopes one at a time. For inkjet MFC models using the main tray, you can load up to 10.
5. Fan the stack. If loading multiple envelopes into an inkjet tray, gently fan them apart before loading to prevent static-caused multi-feeds.

Adjusting the Paper Width Guides

After placing the envelopes in the tray or feed slot, slide the paper width guides in until they lightly touch the edges of the envelopes. The guides should fit snugly without bowing the envelope. Too loose and the envelope will skew as it feeds, causing misaligned printing. Too tight and you'll get friction jams. Take a moment to visually check that the envelope sits flat and square before sending a print job.

How to Print Envelopes on Brother MFC Printer: Step-by-Step

With the printer loaded, the next step is configuring your computer's print dialog to match the media. This is where most users go wrong — they send the job without changing paper size or media type, and the printer either refuses to print or produces an offset image that misses the address area entirely.

Configuring the Driver on Windows

If you need to first get your printer recognized by Windows, take a look at our guide on how to set up a printer on Windows 11 before proceeding.

1. Open your document or template (Microsoft Word's envelope wizard under Mailings > Envelopes is ideal for this purpose).
2. Click File > Print (or press Ctrl+P).
3. Click Printer Properties or Preferences next to your Brother MFC printer name.
4. In the Basic tab, change the Paper Size dropdown to the specific envelope size you're using (e.g., Env. #10, Env. C5, Env. DL).
5. Change Media Type to Envelopes if available, or Thick Paper for laser models.
6. Under Paper Source, select Manual Feed Slot or MP Tray (for laser models) or Sheet Feeder (for inkjet models, if loading multiple).
7. Verify the Orientation matches your envelope design — typically Landscape for standard business envelopes.
8. Click OK to apply settings, then click Print.

For laser MFC models using the manual feed slot, the printer will pause and display a prompt on its LCD screen asking you to insert the envelope. Feed it in gently, and the printer will automatically pull it through.

Configuring the Driver on Mac

Mac users will find the process slightly different. Our detailed guide on how to change printer settings on Mac covers the full driver interface, but here's the envelope-specific workflow:

1. Open your document and press Cmd+P.
2. Select your Brother MFC printer from the dropdown.
3. Click Show Details at the bottom of the print dialog if it's collapsed.
4. From the Paper Size dropdown, select Manage Custom Sizes if your envelope size isn't listed. Click the + button to add it, enter the dimensions, and save it with a recognizable name.
5. From the application dropdown (where it currently says something like "Copies & Pages"), select Brother Features or Print Settings.
6. Set Media Type to Envelopes and Paper Source to Manual Feed or MP Tray.
7. Click Print.

Envelope Sizes and Recommended Settings

Choosing the correct paper size in your driver is critical. If you select the wrong size, the printer will scale or offset the print job, and your address will land in the wrong place. Below is a quick reference for common envelope sizes and the recommended settings for Brother MFC printers:

If your envelope size doesn't appear in the driver's preset list, use the custom paper size feature described in the Mac setup section above, or in Windows go to Printer Properties > Advanced > Paper Size > Custom.

This same attention to media-specific settings applies when printing on other non-standard stock. If you've ever wrestled with thick media on a different brand, the process outlined in our guide on how to print on cardstock with a Canon printer illustrates how most printer drivers handle non-standard paper types, and the logic carries over to Brother's driver interface as well.

Troubleshooting Common Envelope Printing Problems

Even with the correct settings, envelope printing occasionally misbehaves. Here are the most common issues and how to resolve them.

Envelope Jams and Misfeeds

The envelope jams mid-feed. This almost always comes down to one of three causes: the flap isn't fully closed, the paper guides are set too tight or too loose, or you're using an envelope type not suited to your printer (e.g., a padded envelope in a laser printer). Double-check all three before printing again. For laser MFC models, also ensure you're using the manual feed slot or MP tray — routing envelopes through the standard cassette often causes jams because the paper path bends too sharply.

The printer feeds multiple envelopes at once. This happens when envelopes are stacked without being fanned first, or when the stack is too large. Reduce the stack to five or fewer envelopes and fan them thoroughly before reloading.

The envelope skews as it feeds. The width guides need to be tighter. Readjust them so they just touch both edges without squeezing.

Smearing, Blurring, and Alignment Issues

Ink smears on inkjet models. This happens when the media type setting is left on "Plain Paper." Switch the media type to "Envelopes" or "Thick Paper" in the driver — this reduces ink volume and extends drying time, preventing smear.

Toner doesn't fuse on laser models. A laser printer that produces a faded, powdery print on envelopes may have the fuser temperature set too low for the envelope's heavier stock. Some Brother MFC laser models have a "Reduce Toner Fixing" or "Thick Paper" mode accessible via the printer's menu system. Check your model's LCD menu under Settings > General Setup > Tray Setting or equivalent.

The address prints in the wrong position. This is almost always a paper size mismatch. The driver thinks it's printing on a different-sized envelope than what's actually loaded. Verify that the paper size in the driver exactly matches the physical envelope dimensions.

Tips for Professional-Looking Results

Getting a clean envelope off the printer is the foundation — here's how to elevate your results to a genuinely professional standard:

• Use a template. Microsoft Word includes built-in envelope templates under Mailings > Envelopes and Labels. Google Docs users can create a custom page size matching envelope dimensions. Templates ensure consistent margins and positioning every time.
• Leave a margin from the edges. Most Brother MFC printers have a minimum non-printable border of approximately 3–4mm. Keep your return address and recipient address at least 6mm from any edge to avoid clipping.
• Print a test on paper first. Before feeding an expensive batch of pre-printed or high-quality envelopes, print your envelope layout on a plain sheet of paper cut to the same size. Hold it against an actual envelope to verify alignment.
• Choose a clean sans-serif font. Fonts like Arial, Calibri, or Helvetica print crisply at small sizes on envelope-weight paper. Decorative or script fonts can blur at 10–11pt on envelopes.
• Keep a log of your settings. Once you've dialed in the perfect combination of media type, paper size, and tray source for a particular envelope brand, note it down. Brother drivers don't always save custom presets persistently, so having a reference saves time on future runs.
• Clean the scanner glass regularly. If your Brother MFC is also being used for scanning return mail or documents alongside your envelope printing tasks, keeping the scanner bed clean is important for overall print quality — our guide on how to clean printer scanner glass for clearer scans covers this in detail.