1. Introduction
Thank you for choosing the GAGGIA Magenta Prestige SUP051U Automatic Coffee Machine. This manual provides essential information for the safe and efficient operation, maintenance, and care of your new appliance. Please read these instructions carefully before first use and keep them for future reference.
The GAGGIA Magenta Prestige SUP051U is designed to deliver a wide range of coffee and milk-based beverages with ease, featuring a ceramic grinder and an automatic milk frothing system.
2. Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons. This appliance is for household use only.
- Do not immerse the appliance, power cord, or plug in water or other liquids.
- Ensure the voltage indicated on the appliance corresponds to your local mains voltage before connecting.
- Keep the appliance out of reach of children.
- Do not operate the appliance if the power cord or plug is damaged.
- Always unplug the appliance before cleaning or when not in use for an extended period.
- Use only original GAGGIA accessories and spare parts.
3. Product Overview
The GAGGIA Magenta Prestige SUP051U is a compact and versatile automatic coffee machine, offering 12 different beverage options. Its dimensions are approximately 22.4 cm (width) x 43.5 cm (depth) x 35.7 cm (height), with a weight of about 7.7 kg.
Key Features:
- 12 Beverage Options: Enjoy a wide variety of coffee and milk-based drinks.
- Ceramic Grinder: Equipped with a durable ceramic grinder to extract maximum flavor from coffee beans.
- Automatic Milk Frothing: Integrated milk carafe for automatic preparation of milk-based beverages.
- User-Friendly Control Panel: Intuitive interface for easy selection and customization.
- Compact Design: Space-saving footprint suitable for various kitchen sizes.
Included Components:
- Main unit
- Power cord (1.2m)
- Instruction manual
- Powdered coffee spoon
- Cleaning brush
- Brewing unit grease (5g)
- Descaling solution (MEL-F2000) x 2 bottles
- Milk cleaning solution (MEL-F1000)
- Coffee oil cleaning tablets (Camellia Cafe Clean)
- Water filter (Intenza)
- Water hardness test strip

Figure 3.1: GAGGIA Magenta Prestige SUP051U Automatic Coffee Machine.

Figure 3.2: Dimensions of the GAGGIA Magenta Prestige SUP051U.
4. Setup
Before using your GAGGIA Magenta Prestige SUP051U for the first time, follow these steps:
- Power On: Press the power button to turn on the machine.
- Fill Water Tank: Fill the water container with fresh water up to the MAX level.
- Add Coffee Beans: Open the coffee bean container lid and add fresh coffee beans.
Video 4.1: Initial setup of the GAGGIA Magenta Prestige SUP051U, including powering on, filling the water tank, and adding coffee beans.
5. Operating Instructions
The GAGGIA Magenta Prestige SUP051U offers a variety of beverages. Follow these steps to prepare your desired drink:
5.1 Selecting a Beverage
Browse the screen to find and select your desired beverage from the 12 available options. The machine features multiple screens for different drink categories.

Figure 5.1: The intuitive control panel of the GAGGIA Magenta Prestige SUP051U.

Figure 5.2: Example of beverage menu options on the display.
5.2 Preparing Milk-Based Beverages (e.g., Latte Macchiato)
- Remove the water spout and lift the milk carafe lid.
- Pour cold milk into the carafe, ensuring it is between the MIN and MAX levels. Use whole milk at around 5°C for optimal results. Semi-skimmed, lactose-free, or soy milk can also be used.
- Close the carafe lid and insert the carafe into the machine, sliding it to the right until it locks onto the drip tray.
- Place a glass under the milk and coffee spouts and adjust the spouts to fit your glass.
- Select "Latte Macchiato" from the menu and press the START/STOP button to begin brewing.
5.3 Preparing Coffee-Based Beverages (e.g., Americano)
- Ensure the water spout is inserted.
- Place a cup under the coffee dispensing spout and adjust it to your cup.
- Select "Americano" from the menu and press the START/STOP button. The machine will first dispense espresso, then hot water.
5.4 Preparing Two Espressos
- Take out the espresso tray and place it at the right height for espresso cups.
- Place two espresso cups on the tray.
- Select "Espresso" from the menu and press the 2x cups button (usually located on the top right of the screen) before pressing START/STOP.
6. Customizing Beverages
You can customize various settings for each beverage to suit your preferences:
- Coffee Length: Adjust the amount of coffee dispensed.
- Milk Length: Adjust the amount of milk dispensed for milk-based drinks.
- Temperature: Select low, mid, or high temperature.
- Aroma Strength: Adjust the ground coffee quantity from 1 (light aroma) to 5 (more intense flavor).
After brewing, you can save your customized beverage settings using the MEMO function by pressing the checkmark icon on the screen. If brewing is interrupted, the memo screen will not appear.
6.1 Adjusting Grind Settings
The ceramic grinders are adjustable on 5 different levels to modify the body of your coffee. Adjust the grind settings only when the grinder is working. From 1 (finest grind for a stronger taste) to 5 (coarsest for a lighter flavor).

Figure 6.1: Close-up of the ceramic grinder adjustment dial.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your GAGGIA Magenta Prestige SUP051U.
7.1 Quick Milk Clean
After any milk-based beverage, the machine requires a quick milk clean procedure. You can activate it by pressing the START/STOP button immediately after brewing, or by selecting the procedure from the CLEAN/SET menu at a later time.
7.2 Storing the Milk Carafe
When you have finished brewing a milk-based beverage, remove the milk carafe and place the milk spout on the lock position. You can then store the carafe in the fridge.
7.3 Descaling
The machine will prompt you when descaling is required. Use the provided GAGGIA descaling solution (MEL-F2000) and follow the instructions in the separate maintenance booklet or on the machine's display.
7.4 Cleaning the Drip Tray and Coffee Grounds Container
Regularly empty and clean the drip tray and the coffee grounds container to prevent blockages and maintain hygiene.

Figure 7.1: Removing and cleaning the drip tray.
8. Troubleshooting
If you encounter any issues with your GAGGIA Magenta Prestige SUP051U, please refer to the following common troubleshooting tips:
- No coffee dispensed: Check water tank level, ensure coffee beans are present, and the brew group is correctly inserted.
- Milk not frothing correctly: Ensure the milk carafe is clean, the milk is cold, and the milk spout is correctly positioned. Perform a quick milk clean.
- Machine not turning on: Check power connection and ensure the power button is pressed.
- Error messages: Consult the full instruction manual or GAGGIA support for specific error code meanings and solutions.
If the problem persists, contact GAGGIA customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | GAGGIA |
| Model Name | Magenta Prestige |
| Model Number | SUP051U |
| Capacity | 1.8 Liters (Water Tank) |
| Color | Black |
| Product Dimensions (D x W x H) | 43.5 x 22.4 x 35.7 cm |
| Item Weight | 7.7 Kilograms |
| Wattage | 1200 W |
| Voltage | 100 V |
| Coffee Bean Container Capacity | 250g |
| Coffee Bean Quantity per Cup | Approx. 7.5-10g |
| Origin | Italy |
10. Warranty and Support
Your GAGGIA Magenta Prestige SUP051U comes with a manufacturer's warranty. Please refer to the warranty card included in your packaging for details on coverage and duration. For technical support, spare parts, or service, please contact your local GAGGIA authorized service center or visit the official GAGGIA website.







