How to Clean a Bunn Coffee Grinder for a Flawless Grind

A clean grinder is just as important as fresh beans. Coffee oils and residue can build up in your Bunn grinder, affecting the taste and consistency of your coffee. Regularly cleaning your grinder ensures optimal performance and delicious coffee every time.

Today, we’ll walk you through the simple steps to clean your Bunn coffee grinder effectively, ensuring that you continue to enjoy a delicious cup of coffee every day.

Step-by-step Cleaning Process For Bunn Coffee Grinder

Cleaning your Bunn coffee grinder is an essential maintenance task that ensures your coffee always tastes fresh and flavorful. To help you keep your Bunn coffee grinder in top shape, we have put together this step-by-step cleaning process.

how to clean bunn coffee grinder

Gather Necessary Materials

To begin the cleaning process, you will need to gather a few materials:

  • A soft-bristled brush or toothbrush
  • A clean, damp cloth
  • Mild dish soap

Disassemble And Clean The Burrs

The first step in cleaning your Bunn coffee grinder is to disassemble and clean the burrs, which are the components responsible for grinding the coffee beans. Follow these steps:

Clean The Burrs
  1. Unplug the grinder from the power source.
  2. Remove the bean hopper by turning it counterclockwise.
  3. Locate the burrs beneath the hopper and carefully remove them by turning them counterclockwise.
  4. Using a soft-bristled brush or toothbrush, gently scrub the burrs to remove any remaining coffee grinds or residue.
  5. Wipe the burrs clean with a clean, damp cloth.

Cleaning The Hopper And Ground Coffee Chamber

After cleaning the burrs, it’s time to focus on the hopper and ground coffee chamber, where the coffee beans are stored and ground. Here’s how to clean them:

Cleaning The Hopper And Ground Coffee Chamber
  1. If there are any coffee beans in the hopper, remove them.
  2. Using a clean, damp cloth, wipe down the inside of the hopper to remove any residue or oils.
  3. Add a small amount of mild dish soap to a damp cloth and wipe down the hopper and ground coffee chamber, paying special attention to any areas with visible residue.
  4. Rinse the hopper and ground coffee chamber with clean water to remove any soap residue.
  5. Dry the hopper and ground coffee chamber thoroughly with a clean cloth.

Reassemble The Grinder

Once all the components are clean and dry, it’s time to reassemble the grinder:

Reassemble The Grinder
  1. Place the burrs back into their original position and turn them clockwise until they are securely in place.
  2. Reattach the bean hopper by turning it clockwise.
  3. Plug the grinder back into the power source.

If you’re experiencing issues with your Bunn coffee grinder, don’t worry – we’ve got you covered! Check out our comprehensive guide on Bunn Coffee Grinder Troubleshooting for common problems and their solutions. From malfunctioning motors to grinder jams, we’ve got expert advice to help you get your grinder back up and running smoothly.

Additional Tips And Maintenance

After cleaning your Bunn coffee grinder, there are a few additional tips and maintenance practices that you should follow to keep it in top condition and ensure a consistently delicious cup of coffee. From the frequency of cleaning to using cleaning pellets and storage and care tips, here’s what you need to know:

Maintenance Bunn Coffee Grinder

Frequency Of Cleaning

To maintain optimal performance and flavor, it is recommended to clean your Bunn coffee grinder at least once a month. However, if you use your grinder frequently or notice a change in taste, more frequent cleaning may be necessary. Cleaning at regular intervals prevents coffee residue buildup and preserves the freshness of your beans.

Using Cleaning Pellets

Cleaning pellets are an effective way to remove stubborn oils and stuck coffee grounds from your grinder burrs. These specially formulated pellets are designed to provide a thorough clean without leaving any residue behind. Simply run the grinder with the pellets to remove buildup and ensure a consistent grind.

Storage And Care Tips

Proper storage and care can extend the lifespan of your Bunn coffee grinder. Here are some tips to keep in mind:

  • Always unplug the grinder before cleaning or performing any maintenance tasks.
  • Store your grinder in a dry and cool place to prevent moisture and humidity from affecting its performance.
  • Ensure the grinder is completely dry before reassembling and storing it.
  • Avoid using abrasive cleaners or scouring pads that could damage the grinder’s surface.
  • Regularly inspect the grinder for any signs of wear or damage, and seek professional assistance if needed.


Maintaining a clean Bunn coffee grinder is essential for ensuring the best brewing experience. Regular cleaning not only improves the taste of your coffee but also extends the lifespan of your machine.

With these tips, you’ll be able to enjoy a fresh and flavorful cup of coffee every time.


A. I. Moon

A.I. Moon, an experienced SEO Pythonista, spends his days coding and developing web applications to help business owners. A passionate coffee enthusiast, he believes that drinking coffee fuels his creativity and productivity. His day isn't complete without the rich aroma and invigorating warmth of a perfectly brewed cup. This love for coffee inspired him to found EspressoRivo, a platform dedicated to sharing his coffee knowledge and fostering a community of passionate aficionados.

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