Tips for Using and Troubleshooting Your Mr Coffee Coffeemaker

by Site Administrator

Programmable 12 Cup Mr. Coffee Maker

Programmable 12 Cup Mr. Coffee Maker

Here are some tips for using your 12 cup programmable Mr Coffee coffee maker. They may as well apply to other coffeemakers.

  • Generally, add about 1 tbsp of grounds per 6 oz of coffee. Adjust according to your taste.

  • Level of grind, type of coffee, temperature and quality of water and the condition of the coffee maker may affect the taste, flavors and strengths. For instance, finely ground coffee allows for more flavors extraction (for drip coffee makers, including the MrCoffee 12 cup coffeemaker, a medium grind level should be fine), so experiment and adjust according to your taste considering all factors involved.

  • Filtered water may enhance the quality of the coffee. Similarly, cleaning the coffee maker may improve the taste of the coffee.

  • Take into account that the resulting amount of brewed coffee may be a bit less than you added to the reservoir. This is because of the absorption of some water by the coffee grounds. If you brew many cups, you may want to consider this and add a bit more grounds to maintain your preferred taste and strength of the coffee. If you add milk, you don't need to add more coffee since you will not fill the cup with coffee.

  • Keep in mind that coffee "cups" frequently refer to small sized cups, not 8-oz. For example, the Mr. Cofffee coffee makers refer to 5 ounce cups. Therefore, a 12 cup Mr.Coffee coffeemaker will take 12 5-oz cups, amounting to 60 oz of coffee.

  • Before brewing make sure you have filled the water reservoir. Should you ever forget to fill the water chamber (and it happened to me once) and "brew" an empty carafe, discard the decanter immediately. (This may sound foolish, but it happens: if you turn on the machine and coffee is not dripping, make sure there's water added to the reservoir.)

  • If using a paper filter, make sure it sits well in the filter holder. If it tends to collapse, wet it before placing in the basket.

  • Always let the decanter cool before brewing or cleaning the coffee machine. Don't add cold water to a hot decanter. Don't place a hot decanter on a wet or cold surface.

  • Before turning on the coffee maker to brew, make sure the decanter is placed well on the warming plate. Failure to do so may cause the grounds and water in the filter basket to overflow.

  • To take advantage of the programmable timer (this pertains to the 12 cup programmable Mr. coffee coffee machine, you'll need to set the brew time for each brew separately by pressing the Delay Brew button and then setting the hour and minute when you wish the brew to start. It will not automatically brew again at the time that you had set for the previous brew.

  • Before you place any part of the coffeemaker in the dishwasher, make sure it is dishwasher-safe. The coffee machine itself or the water filter may not be dishwasher safe (a permanent coffee grounds filter usually is).

  • To pour coffee before the brew is finished, remove the decanter and pour; this will stop the dripping for 30 seconds. Make sure to replace it immediately; if the decanter is removed for more than 30 seconds, it may cause the coffee grounds and water in the filter basket to overflow.


  • If the machine is turned on, but no coffee is dripping, make sure that...

    • The machine is plugged in.

    • There's water added to the water chamber.

    • The carafe sits properly on the heating plate.

    • The filter basket sits well in place.

  • Grounds and water overflowing from the filter basket is a common complain by people of their coffee makers. Here are some reasons why your filter holder may be overflowing:

    • The decanter is not placed well on the heating element.

    • It was removed using the Pause-N-Serve feature for more than 30 seconds (the dripping stops when using this feature, but the machine actually continues brewing, so if the decanter is removed for too long the water and grounds will start to overfly from the filter basket).

    • The filter basket has to fit well in its spot; if it does not, this may also cause an overflow.

    • You added to many grounds to the filter, so the water runs over before it can get through the grounds into the carafe.

  • Some problems, such as bad-tasting coffee and slow brewing, may be a sign that it is time to clean your coffeemaker.


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