1. Product Overview
The Mr. Coffee 12-Cup Programmable Automatic Coffee Maker in Stainless Steel is designed for convenience and consistent coffee quality. This appliance features programmable options for customized brewing, a specialized cleaning cycle, and an automatic shut-off for safety and energy efficiency. Its sleek stainless steel finish complements modern kitchen aesthetics.

Image: Front view of the Mr. Coffee 12-Cup Programmable Coffee Maker, showcasing its stainless steel finish, digital display, control buttons, and glass carafe filled with brewed coffee.
Key Features:
- 2-Hour Shut Off: Automatically powers the coffee maker down after 2 hours, enhancing safety and conserving energy.
- Removable Filter Basket: Designed for quick and easy cleaning, ensuring optimal coffee flavor.
- Modern Stainless Steel Design: A durable and aesthetically pleasing exterior that fits various kitchen decors.
- Grab-A-Cup Auto Pause: Temporarily stops the brewing cycle, allowing you to pour a cup before brewing is complete without drips.
- Easy Cord Storage: Integrated cord storage helps keep your countertop tidy and clutter-free.
2. Setup Instructions
Before first use, ensure all packaging materials are removed. Wash the carafe, lid, and removable filter basket in warm, soapy water. Rinse thoroughly and dry. It is recommended to run a full brewing cycle with only water to clean the internal components.
Initial Setup Steps:
- Place the Coffee Maker: Position the coffee maker on a flat, stable surface near an electrical outlet.
- Fill the Water Reservoir: Open the top lid and fill the water reservoir with fresh, cold water using the carafe. Refer to the water level markings on the side of the reservoir for desired cups.
- Insert Filter and Coffee Grounds: Place a standard paper filter into the removable filter basket. Add your desired amount of ground coffee into the filter. For optimal flavor, use 1 tablespoon of ground coffee per cup.

Image: Top-down view of the Mr. Coffee 12-Cup Programmable Coffee Maker with the lid open, revealing the removable filter basket containing a paper filter and fresh coffee grounds.
- Close the Lid and Place Carafe: Close the top lid securely. Ensure the empty glass carafe with its lid is properly placed on the warming plate.
- Plug In: Plug the power cord into a standard electrical outlet. The digital clock will illuminate.
- Set the Clock (Optional): Use the HOUR and MINUTE buttons to set the current time.
3. Operating Instructions
Brewing Coffee:
- Start Brewing Immediately: Press the ON/OFF button to begin the brewing cycle. The indicator light will illuminate.
- Adjust Brew Strength: If desired, press the BREW STRENGTH button to select between Regular or Strong brew. The corresponding indicator light will show your selection.
- Grab-A-Cup Auto Pause: During brewing, you can temporarily remove the carafe to pour a cup of coffee. The flow of coffee will automatically pause. Return the carafe to the warming plate within 30 seconds to prevent overflow.
- Automatic Shut-Off: The coffee maker will automatically shut off 2 hours after the brewing cycle is complete.
Using Delay Brew (Programmable Brewing):
- Prepare Coffee Maker: Follow steps 1-3 from the "Initial Setup Steps" above (fill water, add filter and grounds, place carafe).
- Set Delay Time: Press the SET DELAY button. The clock display will flash. Use the HOUR and MINUTE buttons to set the desired time for brewing to start.
- Activate Delay Brew: Press the SET DELAY button again to confirm the setting. The indicator light for Delay Brew will illuminate, and the clock will return to the current time. Your coffee maker is now programmed to brew at the set time.
4. Maintenance
Regular cleaning and maintenance ensure the longevity and optimal performance of your Mr. Coffee 12-Cup Programmable Coffee Maker.
Daily Cleaning:
- Always unplug the coffee maker before cleaning.
- Discard used coffee grounds and paper filter.
- Wash the carafe, carafe lid, and removable filter basket in warm, soapy water. These parts are top-rack dishwasher safe.
- Wipe the exterior of the coffee maker with a soft, damp cloth. Do not use abrasive cleaners or scouring pads.
Decalcification (Cleaning Cycle):
Mineral deposits from water can build up over time and affect brewing performance. The coffee maker features a special cleaning cycle to address this.
- Prepare Cleaning Solution: Fill the water reservoir with 4 cups of undiluted white vinegar.
- Start Cleaning Cycle: Place an empty paper filter in the filter basket (no coffee grounds). Place the empty carafe on the warming plate. Press the CLEAN button. The indicator light will illuminate.
- Complete Cycle: The cleaning cycle will run automatically. Once complete, discard the vinegar solution and rinse the carafe and filter basket.
- Rinse Cycle: Run 2-3 full brewing cycles with fresh, cold water only to flush out any remaining vinegar taste.
5. Troubleshooting
If your coffee maker is not functioning as expected, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Coffee does not brew. | Not plugged in; ON/OFF button not pressed; Delay Brew set. | Ensure unit is plugged in. Press ON/OFF. Check if Delay Brew is active and wait for programmed time or cancel. |
| Coffee is too weak or too strong. | Incorrect coffee-to-water ratio; Brew Strength setting. | Adjust coffee grounds amount. Select desired Brew Strength (Regular/Strong). |
| Filter basket overflows. | Too much coffee grounds; filter not seated correctly; unit needs decalcification. | Reduce coffee grounds. Ensure filter is properly seated. Perform decalcification cycle. |
| Coffee tastes bad. | Old coffee grounds; unit needs cleaning; poor water quality. | Use fresh coffee. Perform decalcification. Use filtered water. |
6. Specifications
- Brand: Mr. Coffee
- Model Name: 12-Cup Programmable
- Item Model Number: JWX31-RB
- Color: Stainless Steel
- Capacity: 12 Cups
- Product Dimensions: 9.15"D x 11.2"W x 14.5"H
- Item Weight: 4.9 pounds
- Special Feature: Permanent Filter, Programmable
- Coffee Maker Type: Drip Coffee Machine
- Operation Mode: Fully Automatic
- Voltage: 110 Volts
- Included Components: Filter
- Coffee Input Type: Ground Coffee
7. Warranty and Support
For detailed warranty information, product registration, or to contact customer support, please refer to the official Mr. Coffee website or the documentation included with your purchase. Keep your proof of purchase for warranty claims.





