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Effortlessly Replace Your Brother Printer MFC 7860DW Drum – Complete Guide and Tips

Have you noticed that your Brother MFC 7860DW printer is not producing the same high-quality prints it once did? Over time, the drum unit in your printer can become worn down and will need to be replaced. But don’t let the thought of drum replacement intimidate you – it’s actually a simple process that you can do yourself. In this blog post, we’ll provide you with a step-by-step guide on how to replace the drum unit in your Brother MFC 7860DW printer.

By following our instructions, you’ll be able to restore your printer’s quality and get back to producing clear and vibrant prints in no time. Let’s get started!

What is a Drum Unit?

If you own a Brother Printer MFC 7860DW, you may have heard the term “drum unit” thrown around when discussing replacement parts. But what exactly is a drum unit? Essentially, it’s a component of a laser printer or copier that is responsible for transferring toner particles onto paper in a process called electrostatic printing. The drum unit consists of a metal or plastic cylinder that’s covered in a special coating that can hold an electrostatic charge.

When the printer receives a print job, the drum unit is charged with a high voltage and then rolled through the toner cartridge, picking up toner particles along the way. The drum is then rolled over the paper, transferring the toner particles to create the final printed image. Over time, the drum unit may become worn out or damaged, leading to print quality issues.

If you notice that your Brother Printer MFC 7860DW is producing blurry or faded prints, it may be time to replace your drum unit with a new one, which is often a simple process that can be done at home.

Learn about this important component of your Brother printer.

As a printer user, you may have heard of a Drum Unit and wondered what it is. Well, the Drum Unit is an essential component of your Brother printer. It is responsible for transferring toner to the paper during the printing process.

The Drum Unit is made of a photosensitive material that is charged by a laser beam. The charged areas attract the toner particles, forming the image or text on the paper. Without a functioning Drum Unit, your printer will not work correctly.

It is recommended that you replace your Drum Unit periodically, depending on the printer model and usage. If you notice faded prints, ghosting, or toner particles on your pages, it may be an indication that your Drum Unit needs to be changed soon. In summary, a Drum Unit is a crucial part of your Brother printer.

It allows your printer to produce high-quality prints by transferring toner to the paper. Keep an eye on your printer’s performance, and don’t hesitate to replace the unit when needed to ensure that your printer is running smoothly.

brother printer mfc 7860dw drum replacement

When to Replace the Drum Unit?

As a Brother printer owner, one of the things you will encounter is the need to replace the drum unit. But how do you know when it’s time to do so? One indication is when you start noticing poor print quality, such as faded or blotchy prints. This might mean that the drum unit has become worn or damaged, and needs to be replaced.

Another sign is when your printer starts indicating the need for a drum replacement through error messages. It’s important to note that some printers have a drum life counter that will notify you when it’s time to replace the drum. For the Brother printer MFC 7860DW drum replacement, it’s recommended to replace it every 12,000 pages.

Regularly checking your print quality and being aware of error messages can help you determine when it’s time for a drum replacement. By taking care of your printer’s maintenance needs, you can ensure that it continues to produce high-quality prints efficiently.

Know the signs of a worn-out drum and when to replace it.

Drum Unit, Replace, Signs As printers age, the drum unit can become worn out, causing print quality to decline. So, how do you know when it is time to replace the drum unit? There are a few signs to look out for. The first is a consistent decrease in print quality over time.

This can include faint or blurry text, streaks, or smudges. Another sign is a decrease in page yield. If your printer is producing fewer pages than usual, it could be a sign that the drum unit is reaching the end of its lifespan.

Finally, if you start to notice strange noises or vibrations coming from your printer, it may be time to replace the drum unit. Overall, it is best to keep track of how many pages your printer is producing and monitor print quality over time. If you start to notice any of these signs, it’s time to replace your drum unit.

With a fresh unit installed, you’ll be back to producing high-quality prints in no time.

Step-by-Step Drum Replacement Guide

Replacing the drum on a Brother Printer MFC 7860DW is a simple process that takes just a few steps. First, you’ll need to turn off the printer and unplug it from the wall. Next, open the front cover of the printer and remove the toner cartridge.

After removing the toner cartridge, you will see the drum assembly inside the printer. Simply pull the assembly out of the printer and dispose of the old drum. Then, remove the new drum from its packaging and slide it into the printer until it clicks securely into place.

Finally, reinsert the toner cartridge and close the front cover of the printer. Don’t forget to power on the printer and check that the drum has been successfully replaced. With these easy steps, you’ll have your Brother Printer MFC 7860DW up and running smoothly in no time!

Detailed instructions to replace the drum unit of your MFC 7860DW printer.

If you need to replace the drum unit of your Brother MFC 7860DW printer, don’t worry! It’s actually a pretty straightforward process. Here’s a step-by-step guide to help you through it. First, turn off your printer and unplug it from the wall.

Then, open the front cover of the printer to access the drum unit. Next, gently pull out the drum unit and toner cartridge assembly. Be careful not to touch the electrodes on the drum unit, as this can cause damage.

Once you’ve removed the drum unit, press down on the green lock lever to release the old drum unit from the toner cartridge. Then, take the new drum unit out of its packaging and remove any protective materials. Insert the new drum unit into the toner cartridge until you hear it click into place.

Then, reinsert the drum unit and toner cartridge assembly back into the printer. Finally, close the front cover of the printer and plug it back in. Turn on the printer and print a test page to confirm that everything is working properly.

Remember, regular drum unit replacement is necessary for your printer to continue functioning effectively over time. By following these simple steps, you can easily replace the drum unit and keep your MFC 7860DW printer in top condition.

Step 1: Turn Off the Printer

When it comes to replacing the drum on your printer, it can seem like a daunting task, but in reality, it’s a lot more straightforward than you might think. The first step is to turn off the printer and unplug it from the wall. This is crucial for safety purposes and to prevent any electrical damage during the replacement process.

Once you’ve done that, you’ll need to locate the drum unit and open the printer cover to access it. This may vary depending on the brand and model of your printer, so it’s essential to consult the user manual if you’re unsure. From there, you can remove the old drum and replace it with the new one, making sure to follow any specific instructions provided by the manufacturer.

By taking things one step at a time and being cautious, you can successfully replace the drum on your printer and keep it running smoothly.

Step 2: Remove the Toner Cartridge

Now that you’ve disconnected your printer and opened up the drum cover, it’s time to move on to the next step: removing the toner cartridge. This is a crucial part of the process, as you’ll need to swap out the old toner for a new one once you’ve replaced the drum. Begin by finding the release lever or button that keeps the cartridge in place.

Once you’ve located it, gently press or pull it to release the cartridge. Be mindful of any small levers or tabs that might be holding it in place, as they can easily break or get damaged if not handled correctly. Once the cartridge is free, set it aside somewhere safe where it won’t get damaged or dirty.

With the toner cartridge out of the way, you can move on to the next step in the drum replacement process and get your printer up and running again in no time!

Step 3: Take out the Old Drum Unit

To replace your printer’s drum unit, you need to follow a few easy steps carefully. After removing the toner cartridge, it’s time to take out the old drum unit. Look for the small green lever that’s located on the left-hand side of the printer’s interior.

Push it back to release the drum unit, and then gently pull it out of the printer. Be careful not to shake or touch the new drum unit, so as not to damage it. If you encounter any difficulties, consult your printer’s manual for guidance.

Remember to keep the old drum unit safe, as it can be recycled. With the old drum unit removed, it’s now time to prepare for the new one. With this simple guide, you can replace your drum unit like a pro, and continue printing in no time!

Step 4: Install the New Drum Unit

Installing a new drum unit is the final step in the process of drum replacement. It’s a crucial step that ensures your printer continues to produce high-quality prints. Begin by carefully removing the protective tape from the new drum unit.

Ensure you don’t touch the drum surface, as it’s delicate and could be damaged by the slightest touch. Align the new drum unit with its slot and push it in gently until there’s an audible click sound. Close the printer’s front cover and press down until it locks into place.

Finally, switch on the printer and run a test print to ensure everything is working correctly. With these simple steps, you’ve successfully replaced the old drum unit and installed a new one that guarantees you excellent printing performance. Remember, always use genuine OEM drum units to prevent printer damage and ensure color accuracy, sharpness, and clarity in your prints.

Step 5: Reinsert the Toner Cartridge

After successfully cleaning the drum unit, it’s time to reinsert the toner cartridge. Begin by taking the cartridge out of its packaging and shaking it a bit to distribute the toner evenly. Hold the cartridge by its handles and align it with the rails inside the printer.

Gently slide the cartridge back into place until you feel it click into position. Once you’re sure the cartridge is securely in place, close the access cover and give the printer a few moments to initialize. Your printer may take a couple of minutes to warm up before it’s ready to use again.

Congratulations! You’ve successfully replaced your drum unit and can continue printing as normal. Remember to properly dispose of the old drum unit by recycling it according to your local regulations. By taking care of your printer’s drum unit, you’ll enjoy crisp and clear prints for many more pages to come.

Step 6: Print a Test Page

After replacing the drum unit in your printer, it is important to print a test page to ensure that the replacement was successful. This will verify that the new drum unit is functioning properly and the print quality meets your expectations. To print a test page, simply go to the printer settings and select the option to print a test page.

This will send a sample print job to your printer, which will show you the output quality. Check for any streaking, smudging, or missing colors. If the test page looks good, you can confidently continue to print your documents without any worries.

However, if it doesn’t look satisfactory, you may need to troubleshoot or check the printer settings to ensure that everything is configured correctly. Remember, taking the time to print a test page after replacing the drum unit can save you from any potential printing issues in the future. Make sure to include this step in your drum replacement process.

Where to Buy Replacement Drum Units?

If you’re in need of a Brother Printer MFC 7860DW drum replacement, there are a number of places you can turn to find what you need. One option is to visit the Brother website itself, where you can find genuine Brother replacement drums that are guaranteed to work seamlessly with your printer. However, these may come with a higher price tag than some third-party options.

Another option is to check out popular online retailers like Amazon or Best Buy, where you can find both OEM and third-party replacement drums at varying price points. Just be sure to research the seller and read reviews to ensure you’re getting a quality product. If you prefer to shop in-person, office supply stores like Staples or Office Depot may also carry replacement drums for your Brother MFC 7860DW.

Whatever route you choose, replacing the drum is a necessary step in maintaining the quality and longevity of your printer.

Suggestions on where to find genuine Brother drum units.

If you’re in need of a replacement Brother drum unit, there are various options available to you. The first and most obvious is to purchase directly from Brother. Not only will you be guaranteed a genuine product, but you’ll also often have access to special offers and promotions.

Another option is to buy from a reputable electronics retailer such as Best Buy or Staples. These stores often carry a wide range of printer accessories, and they’ll likely have genuine Brother drum units to choose from. If you’re trying to save money, you might consider purchasing from an online retailer such as Amazon or Newegg.

Just be sure to read reviews and check the seller’s credibility before making your purchase to ensure you’re getting a genuine product. Regardless of where you choose to buy your replacement drum unit, be sure to check its compatibility with your specific Brother printer model before making your purchase. By doing so, you can ensure that you’re getting the right product for your needs.


In conclusion, replacing the drum in your Brother Printer MFC-7860DW is like giving your trusty steed a fresh pair of horseshoes. Just as a horse needs proper footing to perform at its best, your printer needs a functioning drum to reach its full potential. Don’t let a worn-out drum slow down your printing game – give your printer the love and care it deserves with a new drum replacement.

Your documents (and your wallet) will thank you.”


What is a drum unit in a Brother Printer MFC 7860DW?
The drum unit in a Brother Printer MFC 7860DW is responsible for transferring toner to paper during printing.

How often do I need to replace the drum unit in a Brother Printer MFC 7860DW?
Drum units in Brother Printer MFC 7860DW need to be replaced typically after printing 12,000 to 15,000 pages.

Can I clean the drum unit instead of replacing it in a Brother Printer MFC 7860DW?
It is not recommended to clean the drum unit in a Brother Printer MFC 7860DW. It is best to replace the drum unit when it reaches the end of its life.

How can I align the new drum unit in a Brother Printer MFC 7860DW?
To align the new drum unit in a Brother Printer MFC 7860DW, remove the old unit, unpack the new unit and carefully insert it until it clicks into place. Then, close the front cover and proceed with calibration.

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