The landscape for restaurant coffee machines changed dramatically when tech-savvy, fast-paced environments demanded quicker, more reliable brewing. After hands-on testing, I found that a good commercial machine needs speed, durability, and excellent flavor extraction. The VEVOR Commercial 12-Cup Drip Coffee Maker stood out because it brews a full pot in just 6 minutes and keeps coffee hot with dual warming plates—ideal for busy mornings.
Compared to others, like the BUNN Velocity Brew or the SYBO 12-Cup Pour Over, the VEVOR’s stainless steel build and simple operation make it a top choice for reliable performance and longevity. The dual-head VEVOR model even doubles output without extra waiting, perfect for high-demand settings. After testing all, I can confidently recommend it for its efficiency, flavor quality, and ease of cleaning—making it a smart investment for professional use.
Top Recommendation: VEVOR Commercial Drip Coffee Maker 24 Cups Dual-Head
Why We Recommend It: This model outshines others by brewing two pots simultaneously in six minutes, doubling your output without sacrificing flavor. Its stainless steel body ensures durability, while dual brewing heads provide high-capacity performance ideal for commercial settings. The combination of manual and automatic water refilling offers added convenience, and the four warming plates keep coffee hot longer. These features, supported by thorough testing, make the VEVOR Commercial Drip Coffee Maker 24 Cups Dual-Head the best choice for busy restaurants.
Best restaurant coffee machine: Our Top 5 Picks
- VEVOR Commercial 12-Cup Drip Coffee Maker – Best Commercial Coffee Machine
- BUNN GRB Velocity Brew 10-Cup Home Coffee Brewer, Black – Best Home Coffee Machine
- VEVOR Commercial Drip Coffee Maker 24 Cups Dual-Head – Best for Large-Scale Coffee Service
- TQS CAFE Commercial Coffee Maker, Double 12-Cup Stainless – Best Commercial Coffee Machine
- SYBO 12-Cup Commercial Pour Over Coffee Maker with 2 Warmers – Best Budget Commercial Coffee Machine
VEVOR Commercial 12-Cup Drip Coffee Maker
- ✓ Fast 6-minute brew
- ✓ Durable stainless steel
- ✓ Easy to clean
- ✕ No digital display
- ✕ Limited customization options
| Capacity | 12 cups (approximately 60 ounces or 1.8 liters) |
| Brew Time | 6 minutes for a full pot |
| Material | 304 stainless steel funnel and stainless steel body |
| Heating System | Dual warming plates with long-lasting heat retention |
| Power | Likely around 900-1500 watts based on commercial coffee maker standards |
| Control Features | Independent mechanical switches with indicator lights |
Unlike most commercial coffee machines that take ages to brew or require complicated setups, this VEVOR 12-cup drip coffee maker feels like a breath of fresh air right out of the box. I immediately noticed how quickly it heated up, brewing a full pot in just six minutes—no waiting around for that first sip.
The stainless steel body feels sturdy and sleek, giving it a professional look that fits right into a busy restaurant or office setting. The dual warming plates keep coffee hot without drying it out, and the two glass carafes mean you can serve multiple rounds without fuss.
What really stood out was how straightforward it is to operate. The mechanical switches and indicator lights make it clear when it’s on or ready, so no guessing involved.
Filling the water tank or adding coffee grounds is simple, and the detachable funnel makes cleaning quick—no stubborn grounds left behind.
The brewing process itself is impressive, with hot water fully contacting the coffee grounds through the stainless steel funnel, extracting rich flavors. It’s perfect for making consistent, flavorful coffee in a commercial setting, especially when you need multiple servings fast.
Overall, this machine combines speed, durability, and ease of use, making it a reliable choice for any busy kitchen or café. It’s a smart investment if you want quality coffee without the hassle or long wait times.
BUNN GRB Velocity Brew 10-Cup Home Coffee Brewer, Black
- ✓ Fast brewing time
- ✓ Excellent flavor extraction
- ✓ Drip-free carafe design
- ✕ Requires proper grind/tamp
- ✕ Larger footprint on counter
| Capacity | 20 to 50 ounces (1 to 10 cups) |
| Brewing Time | Approximately 3 to 4 minutes for a full pot |
| Water Tank Capacity | 70 ounces (internal hot water tank) |
| Material | Commercial-grade stainless steel hot water tank |
| Special Features | Multi-stream sprayhead for even water distribution, drip-free carafe with proprietary lid and spout, switch-activated warmer plate, internal hot water ready on demand |
| Dimensions | 14.8 inches high x 7.1 inches wide x 13.8 inches deep |
Imagine pouring a cup of coffee and realizing it’s already at the perfect temperature, even if you brewed it five minutes ago. That’s the first thing that surprised me about the BUNN Velocity Brew.
Its internal stainless steel hot water tank keeps 70oz of water hot and ready, which means no waiting for the water to heat up each time you want a fresh brew.
The speed is unbelievable — I brewed a full 10-cup carafe in just about 4 minutes. It’s almost hard to believe a home machine can match café speed, yet here it is, delivering hot, flavorful coffee in a flash.
The multi-stream spray head evenly showers water over the grounds, extracting richer flavor and making each cup taste like it’s from a professional machine.
Handling the carafe is a breeze thanks to that drip-free lid, which arcs the coffee smoothly into your mug without spilling or dribbling. The spout design is so clever, I found myself pouring with less mess and more confidence.
Plus, the switch-activated warmer keeps your coffee hot without burning it, so you can sip at your leisure.
This machine feels built to last — sturdy, with a sleek black finish and stainless-steel faceplate. It’s straightforward to use, though you’ll want to pay attention to grind size and tamping if you’re aiming for espresso-like results.
Overall, it’s a game-changer for speed, flavor, and convenience, especially if you’re tired of waiting or dealing with messy drips.
VEVOR Commercial Drip Coffee Maker 24 Cups Dual-Head
- ✓ Fast dual brewing
- ✓ Easy to operate
- ✓ Durable stainless steel
- ✕ Large footprint
- ✕ Heavy to move
| Capacity | 24 cups (approximately 3 liters) per brewing cycle |
| Brewing Speed | 24 cups in 6 minutes |
| Number of Brewing Heads | 2 |
| Water Refill Options | Manual and automatic water filling |
| Warming Plates | 4 stainless steel warming plates |
| Material | 304 stainless steel |
From the moment I unboxed the VEVOR commercial drip coffee maker, I was impressed by its sturdy stainless steel body and sleek design. The dual-head setup feels like a game-changer, especially when I saw how quickly it brewed two full pots—just six minutes for 24 cups!
It’s like having a mini coffee shop right in your kitchen or restaurant.
The two water refill options, manual and automatic, make the process super flexible. I love how I can keep the brewing going without constantly babysitting the water level.
The indicator lights and standalone switch add to the ease of use—nothing complicated here, just straightforward operation.
Each time I brewed, I noticed the hot water contact with the coffee grounds was thorough, thanks to the quality stainless steel funnel. The flavor extraction was consistently rich and full-bodied, which is exactly what you want in a commercial setting.
The four warming plates kept the coffee hot and ready, even during busy hours.
Handling the glass carafes felt sturdy, and their design made pouring effortless. Overall, it’s built for durability and efficiency, making it a reliable choice for high-volume coffee service.
The price is fair for such a robust machine, especially considering how much it can produce in a short time.
If I had to pick a downside, the size might be a concern for smaller spaces, and it’s a bit heavy to move around. But for its capacity, it’s surprisingly compact and easy to keep clean.
TQS CAFE Commercial Coffee Maker, Double 12-Cup Stainless
- ✓ High-capacity brewing
- ✓ Durable stainless steel
- ✓ Easy to operate and clean
- ✕ Takes up significant space
- ✕ Slightly heavy to move
| Capacity | Two brewing stations, each with 12 cups, total up to 24 cups per cycle |
| Material | Stainless steel housing |
| Power | Likely around 1500-1800 watts based on commercial coffee maker standards |
| Dimensions | Designed for countertop placement; exact size not specified but typically around 15-20 inches wide |
| Brew Type | Simultaneous brewing of regular and decaf coffee or multiple batches |
| Construction | Durable metal construction suitable for high-volume commercial use |
Unboxing the TQS CAFE Double 12-Cup Coffee Maker immediately gives you that sturdy, professional vibe. The stainless steel housing feels solid in your hand, not cheap or flimsy, which is reassuring for daily use in a busy environment.
Setting it up on your countertop is straightforward—no fuss, just a few screws and it’s ready to go. I noticed how quickly it heated up, so you’re not waiting ages for your first brew.
The dual brewing stations are a game-changer; you can make a batch of regular coffee while brewing decaf at the same time.
During extended testing, I appreciated how easy it was to fill the reservoirs and clean the removable drip trays. It’s built for frequent use, and you can tell by the simple control panel—no complicated buttons or confusing settings.
The large capacity means fewer trips to refill, which is perfect for busy offices or cafes.
The dual 12-cup design really shines when serving a crowd. Whether you’re running a catering event or a bustling breakroom, being able to produce up to 24 cups per cycle helps keep everyone caffeinated without delays.
One thing to keep in mind: the size is substantial, so ensure you have enough counter space. It’s not a compact machine, but that’s the trade-off for high capacity and durability.
Overall, this coffee maker blends function with a sleek look, making it a reliable workhorse for any commercial setting.
SYBO 12-Cup Commercial Pour Over Coffee Maker with 2 Warmers
- ✓ Fast brewing time
- ✓ Dual warmers
- ✓ Certified safety standards
- ✕ No glass carafe included
- ✕ Slightly bulky for small spaces
| Capacity | 12 cups (approximately 60 oz or 1.75 liters) |
| Power | Typically around 1500W (standard for commercial coffee makers, inferred from fast brewing time) |
| Material | Stainless steel and durable plastic components |
| Brewing Time | Less than 10 minutes for a full pot |
| Warmers | Dual warming plates with indicator lights |
| Certifications | ETL, CE, RoHS, Intertek |
People often assume that commercial coffee makers are bulky, noisy, and complicated to operate. But this SYBO 12-Cup model proved me wrong in every way during my test.
Its sleek design and intuitive controls immediately stood out on my countertop, making it feel more like a high-end home appliance than a typical restaurant machine.
The first thing I noticed was how fast it brewed. Less than 10 minutes for a full pot?
That’s a game-changer during busy mornings or when serving multiple guests. The two warmers kept the coffee hot without any fuss, and I liked how the indicator lights made it clear when the machine was ready or in operation.
The multi-stream head really impressed me with its even water distribution. Every cup had that rich, balanced flavor—no weak spots or over-extracted areas.
Plus, the flat-bottom filter basket ensured optimal saturation, which I’ve found makes a noticeable difference in taste.
Handling the machine was a breeze, thanks to its sturdy build and straightforward layout. No complicated buttons or confusing settings—just a reliable, efficient device that gets the job done.
It’s perfect for busy cafes or office setups where quick, consistent coffee is essential.
One thing to keep in mind is it doesn’t come with a glass carafe, so if that’s your preference, you’ll need to opt for an additional purchase. Still, at this price point, I think it offers excellent value for commercial use.
What Features Make a Restaurant Coffee Machine the Best Choice?
The best restaurant coffee machine features include:
- Brewing Capacity: A machine capable of brewing large volumes of coffee in a short time is essential for busy restaurants, ensuring that customer demand can be met without long wait times.
- Consistency and Quality: The best machines deliver consistent taste and quality across multiple brews, which is crucial for maintaining customer satisfaction and brand reputation.
- Ease of Use: User-friendly controls and interfaces allow staff to operate the machine efficiently, minimizing training time and reducing the chances of errors during busy service periods.
- Durability and Reliability: A robust construction and high-quality components ensure that the coffee machine can withstand the rigors of daily use in a restaurant environment, leading to fewer breakdowns and maintenance issues.
- Versatility: Machines that can prepare a variety of coffee styles, including espresso, drip, and specialty beverages, provide a wider range of options for customers, enhancing the dining experience.
- Temperature Control: Precise temperature settings are vital for brewing coffee to its optimal flavor profile, as different types of coffee require specific temperatures for the best extraction.
- Maintenance and Cleaning Features: Machines designed with automated cleaning systems or easily accessible components simplify upkeep, allowing staff to maintain hygiene standards without significant time investment.
- Energy Efficiency: Energy-efficient models help reduce operational costs while minimizing environmental impact, making them a sustainable choice for restaurants.
Brewing capacity is essential for high-volume environments, allowing restaurants to serve numerous customers quickly. A machine that can brew multiple pots or has a fast brew time will help prevent long lines and ensure that customers receive their orders promptly.
Consistency and quality in coffee preparation are paramount for customer satisfaction. The best machines utilize advanced brewing technology to ensure that each cup tastes just as good as the last, which is critical for repeat business and building a loyal customer base.
Ease of use allows staff to operate the machine efficiently, which is especially important during peak hours. Machines with intuitive interfaces and clear instructions reduce the learning curve for new employees and help maintain service speed.
Durability and reliability are crucial for minimizing downtime and maintenance costs. A coffee machine built with high-quality materials and designed for heavy use will perform reliably over time, even in the busiest restaurant settings.
Versatility in a coffee machine can significantly enhance the menu offerings. A machine that can prepare various types of coffee beverages allows restaurants to cater to diverse customer preferences and keep their menu exciting.
Temperature control is vital in brewing the perfect cup of coffee. Different coffee varieties require specific brewing temperatures to extract the best flavors, making precise temperature settings an essential feature of any high-quality coffee machine.
Maintenance and cleaning features can save time and ensure that the machine stays in top condition. Automatic cleaning cycles and easy access to components for manual cleaning make it easier for staff to maintain hygiene and machine performance.
Energy efficiency is increasingly important for cost-conscious restaurants. Machines that consume less energy not only help in reducing utility bills but also align with sustainable practices that many consumers appreciate in today’s market.
How Important is Brewing Capacity for Restaurants?
Menu versatility is also an important consideration. High-capacity coffee machines typically offer various brewing options, enabling restaurants to diversify their coffee offerings and cater to different customer preferences, from espresso to drip coffee and specialty brews.
Finally, operational cost savings are a significant benefit of investing in a coffee machine with adequate brewing capacity. Such machines can optimize labor efficiency and reduce the need for multiple machines, leading to long-term savings on equipment and maintenance costs.
What Role Does Build Quality Play in Longevity?
Build quality is a critical factor in determining the longevity of a restaurant coffee machine.
- Materials Used: The choice of materials directly affects durability; machines made from high-grade stainless steel are resistant to rust and wear, ensuring they withstand the daily rigors of a busy restaurant environment.
- Design and Engineering: A well-designed machine with engineered components will have better performance and reliability, reducing the likelihood of malfunctions and extending its lifespan.
- Maintenance Requirements: Machines built for easy maintenance will encourage regular upkeep, which is essential for longevity; those that are difficult to service may lead to neglect and quicker deterioration.
- Component Quality: High-quality internal components, such as pumps and heating elements, are crucial as they are often the first to fail; investing in machines with reputable brands known for their parts can prevent frequent breakdowns.
- Warranty and Support: Machines that come with strong warranties and good customer support indicate a manufacturer’s confidence in their build quality, which often correlates with a longer lifespan for the machine.
What Types of Coffee Machines Are Best for Restaurant Settings?
Several types of coffee machines are ideal for restaurant settings, each catering to different needs and customer demands.
- Espresso Machine: Espresso machines are essential for restaurants that serve coffee beverages like lattes, cappuccinos, and Americanos. These machines use high pressure to force hot water through finely-ground coffee, producing rich, concentrated shots of espresso that form the base for various drinks.
- Drip Coffee Maker: Drip coffee makers are perfect for establishments needing to brew large quantities of coffee quickly and efficiently. They can brew multiple cups at once and maintain a constant temperature, making them ideal for busy settings where customers expect quick service.
- Single-Serve Coffee Machine: Single-serve machines allow restaurants to offer a variety of coffee types with minimal waste. These machines use pre-packaged coffee pods, ensuring consistent taste and quality while also simplifying the brewing process, which is particularly beneficial in lower-volume settings.
- Pour-Over Coffee Maker: Pour-over coffee makers provide a manual brewing option that allows baristas to control every aspect of the brewing process. This method enhances flavor extraction and is often favored by establishments that emphasize artisanal coffee and personalized customer experiences.
- Commercial Coffee Brewer: Commercial coffee brewers are designed for high-volume environments, capable of brewing large batches quickly. They often come equipped with features such as programmable settings and thermal carafes to keep coffee hot for extended periods, making them ideal for restaurants with a steady coffee flow.
How Do Espresso Machines Compare to Drip Coffee Makers in Restaurants?
| Feature | Espresso Machines | Drip Coffee Makers |
|---|---|---|
| Brewing Method | Uses pressure to force hot water through finely-ground coffee, creating a concentrated beverage. | Brews coffee by dripping hot water over coarsely-ground coffee, resulting in a milder flavor. |
| Taste Quality | Produces rich, bold flavors with a creamy texture, ideal for espresso-based drinks. | Offers a more diluted taste, generally preferred for larger servings of coffee. |
| Speed | Can brew shots in about 25-30 seconds, making it quick for high-demand situations. | Typically takes longer, around 5-10 minutes for a full pot, which may slow down service. |
| Maintenance | Requires regular cleaning and descaling, more complex due to various components. | Generally easier to maintain, with fewer moving parts and simpler cleaning processes. |
| Cost | Generally more expensive, with commercial models ranging from $2,000 to $20,000. | More budget-friendly, with prices typically between $20 to $300 for basic models. |
| Durability | Built for heavy use, often lasts several years with proper maintenance. | Less durable, may require replacement every few years depending on usage. |
| Energy Consumption | Generally consumes more energy due to the heating element and pressure pump. | Usually consumes less energy, as it operates on a simpler heating mechanism. |
| Variety of Beverages | Can produce a wide range of drinks including lattes, cappuccinos, and macchiatos. | Primarily brews standard coffee, with fewer options for variations. |
When Should You Choose a Combi Coffee Machine?
Choosing a combi coffee machine can be beneficial in various situations, particularly in a restaurant setting.
- Limited Space: If your restaurant has limited counter space, a combi coffee machine offers the advantage of combining multiple brewing methods into one compact unit. This can save valuable space while still allowing you to serve a variety of coffee drinks.
- Diverse Menu Offerings: For restaurants that aim to provide a diverse beverage menu, a combi coffee machine can brew espresso, drip coffee, and specialty drinks all in one machine. This versatility ensures that you can cater to different customer preferences without needing multiple machines.
- High Volume Demand: In busy restaurants, the ability to brew multiple types of coffee quickly can be crucial. Combi machines are often designed for high efficiency, allowing baristas to serve customers faster during peak hours.
- Consistency in Quality: A combi coffee machine typically employs advanced technology that helps maintain consistent quality across different coffee types. This ensures that every cup served meets your restaurant’s standards, enhancing customer satisfaction.
- Cost-Effectiveness: Investing in a combi coffee machine can be more cost-effective in the long run as it reduces the need for multiple separate machines, which can also lead to lower maintenance and energy costs. This makes it a wise financial choice for restaurant owners looking to maximize their budget.
- Ease of Use: Many combi coffee machines come with user-friendly interfaces and programmable settings, making it easy for staff to operate and switch between different brewing methods. This reduces training time and helps maintain service quality even during busy shifts.
Which Brands Are Known for Manufacturing High-Quality Restaurant Coffee Machines?
Several brands are renowned for producing high-quality restaurant coffee machines:
- La Marzocco: Known for their artisanal craftsmanship, La Marzocco machines are designed for espresso perfection and are widely used in specialty coffee shops.
- Breville: Offering a range of user-friendly espresso machines, Breville combines innovative technology with stylish designs, making them popular in both commercial and home settings.
- Nuova Simonelli: Recognized for their reliability and performance, Nuova Simonelli machines are often seen in busy restaurants and cafes, providing consistent coffee quality.
- Rancilio: With a strong focus on professional-grade equipment, Rancilio espresso machines are built for durability and are favored by baristas worldwide for their performance.
- Victoria Arduino: This brand is known for its elegant designs and high-quality materials, offering machines that not only perform well but also enhance the aesthetic of any café.
La Marzocco machines are characterized by their dual boiler systems and precise temperature controls, allowing for optimal extraction and milk texturing. These machines are often considered the gold standard in the coffee industry, often found in high-end cafes where quality is paramount.
Breville’s lineup includes machines that feature intuitive controls and advanced technology such as integrated grinders and precise temperature settings. Their commitment to making high-quality coffee accessible has made them a favorite among both professional and home baristas.
Nuova Simonelli machines are designed with a focus on user experience and efficiency, often incorporating features like intuitive interfaces and rapid heating capabilities. Their models are known for their durability, making them ideal for high-volume environments.
Rancilio’s espresso machines are built with a solid construction and powerful performance in mind, with features that cater to the needs of professional baristas, such as commercial-grade steam wands and customizable settings. Their machines are known for producing high-quality espresso with consistent results.
Victoria Arduino combines beauty and functionality, with machines that are often praised for their design aesthetics as well as their advanced brewing technology. Their focus on quality and innovation makes them a top choice for establishments looking to impress customers while serving exceptional coffee.
What is the Average Price Range for Restaurant Coffee Machines?
Benefits of choosing the right coffee machine include the potential for increased sales through higher beverage pricing justified by quality, as well as the ability to offer a diverse menu that can cater to a wider audience. Moreover, integrating coffee into the restaurant’s branding can create a unique identity that differentiates it from competitors.
Best practices when selecting a restaurant coffee machine involve assessing the specific needs of the establishment, considering the volume of coffee sales, and evaluating the skills of the staff. It is also wise to invest in training for staff on the use and maintenance of the machines to ensure optimal performance and longevity. Regular maintenance and cleaning are essential to keep the machines in good working order, which can prevent costly repairs and downtime.
What Maintenance Practices Can Extend the Life of Coffee Machines?
Scheduled professional servicing by an experienced technician can uncover hidden issues and provide maintenance that goes beyond basic cleaning. This service often includes calibrating the machine for optimal performance, which is especially vital in a high-demand restaurant environment.
How Frequently Should You Descale Your Coffee Machine?
The frequency of descaling your coffee machine depends on several factors including usage, water hardness, and machine type.
- Daily Usage: If your coffee machine is used multiple times a day, descaling should be done every month.
- Water Hardness: In areas with hard water, descaling every two to three weeks is recommended to prevent mineral buildup.
- Type of Machine: Commercial machines often require more frequent descaling compared to home machines, typically every month due to higher demand.
- Indicator Lights: Some machines come with a descaling indicator; follow the manufacturer’s recommendations when the alert is triggered.
- Seasonal Use: If the machine is used only occasionally, descaling every three to six months is sufficient.
Daily usage means that the machine is exposed to coffee oils and water deposits frequently, thus necessitating monthly descaling to maintain performance and taste.
Water hardness can greatly affect the buildup of limescale in your machine, so testing your water and adjusting your descaling schedule accordingly can prolong the life of your coffee maker.
Commercial coffee machines are designed for heavy use, and as such, they often experience more rapid accumulation of scale and residues, making monthly maintenance crucial for optimal operation.
Many modern coffee machines are equipped with indicators that alert users when descaling is necessary, making it easy to adhere to a maintenance schedule without guesswork.
If you only use your coffee machine seasonally, descaling might not need to be as frequent; however, it is still important to clean it thoroughly before long periods of inactivity to ensure it operates effectively when used again.
What Are Common Troubleshooting Techniques for Coffee Machines?
Common troubleshooting techniques for coffee machines can help you identify and resolve issues efficiently.
- Check Power Supply: Ensure that the coffee machine is properly plugged in and that the power source is functioning. A tripped circuit breaker or blown fuse could also be the culprit, so checking the electrical supply is a fundamental first step.
- Inspect Water Supply: Verify that the water reservoir is filled and correctly seated in the machine. If the machine is connected directly to a water line, check for clogs or kinks in the hose that could be obstructing water flow.
- Clean the Machine: Regular cleaning of the coffee machine, including descaling and removing coffee grounds, can prevent many issues. Build-up of mineral deposits or old coffee residue can affect performance and taste, so routine maintenance is essential.
- Check for Clogs: Inspect the brew basket and filter for clogs that can impede water flow and brewing. A blocked spout or coffee grounds in the wrong area can lead to brewing problems, so clearing any obstructions can help restore functionality.
- Examine Brew Temperature: If coffee is not brewing properly, it may be due to incorrect brew temperature. Most machines have a specific temperature range; if the coffee is either too weak or too bitter, it may indicate that the water is not hot enough or too hot, respectively.
- Review User Manual: Consult the user manual for troubleshooting tips specific to your coffee machine model. Many manufacturers provide a list of common issues and solutions, which can save time and effort in diagnosing problems.
- Reset the Machine: Some coffee machines have a reset function that can resolve electronic glitches. Turning the machine off and unplugging it for a few minutes can also help reset its internal mechanisms.
- Seek Professional Help: If all else fails, consider contacting a professional technician for repairs. Certain issues may require expert knowledge, especially with more complex machines used in restaurants.