Keurig® K-3550™ Single Serve Commercial Coffee Maker

Introduction

The Keurig® K-3550™ Brewer is designed for commercial environments, offering a versatile and efficient coffee brewing solution. This brewer combines intuitive technology with a modern design, providing a wide selection of coffee, tea, and cocoa varieties. Engineered for continuous use, it supports back-to-back brewing, making it ideal for busy breakrooms and offices.

The K-3550™ is constructed with non-porous materials for easy cleaning and enhanced hygiene. Its K-Cup® pod system ensures that each beverage is brewed from a completely protected, air-tight pod, maintaining freshness and flavor.

Front view of the Keurig K-3550 Commercial Coffee Maker, actively brewing hot coffee into a red ceramic mug.

Key Features

• Versatile Brewing: Brews over 225 K-Cup® pod varieties from more than 35 top brands, including coffee, tea, and hot cocoa.
• Rapid Brewing: Delivers freshly brewed beverages in approximately one minute.
• Multiple Cup Sizes: Offers five brew sizes: 4 oz, 6 oz, 8 oz, 10 oz, and 12 oz.
• Strong Brew Option: Provides a bolder, more intense flavor for those who prefer a stronger coffee.
• Brew Over Ice: Capable of brewing any K-Cup® pod over ice for refreshing iced beverages.
• Intuitive Touchscreen: Features a high-resolution touch screen for easy navigation and selection.
• Automatic Pod Ejection: Includes a pod auto-eject functionality for convenient disposal, with a bin holding up to 30 K-Cup® pods.
• Direct Waterline Plumbing: Designed for continuous, back-to-back brewing without the need to refill a water reservoir.
• Dedicated Hot Water Dispense: Separate on-demand hot water dispense for other hot beverages or uses.
• Travel Mug Friendly: Accommodates most travel mugs.
• Commercial Grade: Built to withstand the demands of a commercial coffee station, ensuring durability and optimal performance.
• NSF-4 Certified: National Sanitation Foundation certification for meeting health & safety standards.

Overview of the K-3550's key features, highlighting its commercial capabilities.

The K-3550's ability to brew both hot and iced beverages.

Certification and commercial-grade construction of the K-3550.

Rear view illustrating the direct water line connection and internal tank features.

Setup Instructions

1. Unpacking: Carefully remove the brewer and all components from the packaging. Retain packaging for future transport or storage.
2. Placement: Place the brewer on a stable, level surface in your desired location. Ensure adequate clearance around the unit for ventilation and access.
3. Water Line Connection: The K-3550™ is designed for direct water line plumbing for continuous operation.
   • Locate the water inlet connection at the rear of the brewer.
   • Connect the included water filter to your water supply line, then connect it to the brewer's inlet.
   • It is highly recommended to have a qualified plumber or technician perform the water line installation to ensure proper connection and prevent leaks.
   • Once connected, slowly open the water supply valve to fill the internal tanks.
4. Power Connection: Plug the power cord into a grounded electrical outlet.
5. Initial Rinse Brew: Before first use, perform a rinse brew without a K-Cup® pod.
   • Place a large mug on the drip tray.
   • Close the brewer handle (without a pod).
   • Select any brew size and press "Brew". Discard the hot water.
   • Repeat this process 2-3 times to thoroughly rinse the system.

Detail of the rear water line connections for direct plumbing.

Operating Instructions

1. Power On: Ensure the brewer is plugged in and powered on. The touchscreen will display the home screen.
2. Insert K-Cup® Pod: Lift the brewer handle. Place a K-Cup® pod into the K-Cup® pod holder. Lower the handle completely to close.
3. Place Mug: Place your mug or travel tumbler on the drip tray. The adjustable drip tray can be removed to accommodate larger travel mugs.
4. Select Beverage Type: On the touchscreen, select your desired beverage type (e.g., "Brew Hot Beverage" or "Brew Over Ice").
5. Choose Brew Size: Select your preferred brew size from the available options (4 oz, 6 oz, 8 oz, 10 oz, or 12 oz).
6. Strong Brew (Optional): For a bolder, more intense flavor, select the "Strong" option on the touchscreen before pressing "Brew".
7. Start Brewing: Press the "Brew" button on the touchscreen. The brewing process will begin and complete in about one minute.
8. Hot Water Dispense: To dispense hot water, select the "Hot Water" option on the touchscreen. This dispenses hot water from a dedicated line, separate from the coffee brewing system.

Visual guide for the three main steps of brewing a beverage.

User interacting with the high-resolution touchscreen to select brew options.

Maintenance and Cleaning

Regular maintenance ensures optimal performance and longevity of your Keurig K-3550™ brewer. The non-porous materials make cleaning straightforward.

• Exterior Cleaning: Wipe the exterior of the brewer with a damp, soft cloth. Do not use abrasive cleaners or harsh chemicals.
• Drip Tray: The drip tray should be emptied and cleaned regularly. It is top-rack dishwasher safe.
• Pod Ejection Bin: The automatic pod ejection system collects used K-Cup® pods in a removable bin. Empty and clean this bin frequently. It can hold up to 30 used pods.
  

  The automatic pod ejection bin, designed for easy removal and cleaning.

• Descaling: Over time, calcium deposits can build up in the brewer, affecting performance. Descale your brewer every 3-6 months, or as indicated by the brewer, using Keurig Descaling Solution. Follow the instructions provided with the descaling solution.
• Water Filter: The included water filter should be replaced periodically as per the manufacturer's recommendations to ensure optimal water quality and prevent mineral buildup.
• Drainable Internal Tank: For moving or storage, the internal water tank can be drained. Refer to the full product manual for detailed instructions on this process.

Troubleshooting

If you encounter issues with your Keurig K-3550™ brewer, consider the following common solutions:

• No Water Dispensing / Slow Brew:
  • Ensure the direct water line is properly connected and the water supply valve is fully open.
  • Check if the water filter is clogged or needs replacement.
  • Perform a descaling cycle if the brewer has not been descaled recently.
• "No Pod Detected" Error:
  • Ensure the K-Cup® pod is correctly seated in the pod holder.
  • Verify the brewer handle is fully closed.
• Coffee Not Hot Enough:
  • Ensure the brewer has had sufficient time to heat up after being powered on.
  • Perform a descaling cycle.
• General Performance Issues:
  • Unplug the brewer for 30 seconds, then plug it back in to reset the system.
  • Ensure the brewer is on a stable, level surface.

For more detailed troubleshooting or persistent issues, please refer to the comprehensive user manual or contact Keurig Customer Service.

Specifications

Detailed product dimensions for placement and planning.

Warranty and Support

For information regarding the product warranty, please refer to the warranty card included with your Keurig K-3550™ brewer or visit the official Keurig website. For technical support, replacement parts, or service inquiries, please contact Keurig Customer Service directly.

Keurig Customer Service: Please refer to the contact information provided in your product packaging or on the official Keurig website.