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Espresso guides, machine reviews, and barista technique from Papel Espresso — practical articles on dialing in shots, troubleshooting channeling, and machine care.

How to Clean the E61 Mushroom Assembly to Remove Scale Buildup
A step-by-step guide: how to clean the E61 mushroom assembly and remove scale buildup The legendary E61 group head is the heart of many high-end espresso machines, prized for its thermal stability and crucial role in crafting the perfect shot. However, deep within this marvel of engineering lies the mushroom assembly, a component highly susceptible […]
The Impact of Group Head Temperature Stability on Espresso Flavor
In the relentless pursuit of the perfect espresso shot, baristas and home enthusiasts obsess over countless variables: bean origin, grind size, dose, and tamping pressure. Yet, one of the most critical and often misunderstood factors is the temperature stability of the group head. This component, the final point of contact before water meets coffee, plays […]
Why Your E61 Group Head Leaks from the Bottom Discharge Manifold
The iconic Faema E61 group head is a marvel of espresso engineering, beloved for its thermal stability and classic design. However, even the most robust machines need maintenance. One of the most common and alarming issues for owners is discovering a persistent drip or a steady stream of water leaking from the bottom of the […]
Replacing Your E61 Group Gasket: Silicone vs. Rubber Benefits
A perfect espresso shot is a symphony of variables, and one of the most critical, yet often overlooked, is the seal on your group head. For owners of the legendary E61 group head, that unmistakable drip from the side of the portafilter during a shot is a frustrating sign. It means your group gasket has […]
How to Lubricate E61 Cam Pins Using Food-Safe Grease
How to lubricate E61 cam pins using food-safe grease: a complete guide The E61 group head is an iconic piece of espresso technology, celebrated for its thermal stability and role in creating beautiful, nuanced shots. However, owners of machines with this classic component will inevitably encounter a common issue: a stiff, noisy, or squeaky brew […]
The Difference Between Passive and Active Pre-infusion on an E61 Group
The legendary E61 group head is an icon in the world of espresso, celebrated for its temperature stability and its role in creating rich, balanced shots. A key part of its magic is a feature known as pre-infusion, the gentle wetting of the coffee puck before applying full extraction pressure. However, not all pre-infusion on […]
Identifying and Fixing a Thermosyphon Stall in Your Espresso Machine
A stable temperature is the cornerstone of great espresso. For many prosumer and commercial machines, particularly those with the iconic E61 group head, this stability is achieved through a clever piece of passive engineering called a thermosyphon. This system continuously circulates hot water from the boiler, through the group head, and back again, keeping everything […]
E61 Flow Control: How to Manage Pressure Profiling at Home
The quest for the perfect espresso shot at home has led countless enthusiasts down a rabbit hole of grinders, tampers, and temperature-stable machines. For many, the journey leads to a machine with the iconic E61 group head, a testament to classic espresso engineering. But what happens when you’ve mastered the basics and want to unlock […]
How to Use a Group Head Thermometer for Better Espresso Consistency
The pursuit of the perfect espresso shot is a journey filled with variables. From the grind size and dose to the tamping pressure, every step matters. Yet, one of the most critical and often overlooked variables is brew water temperature. Even a change of a few degrees can drastically alter the taste of your shot, […]
The Essential E61 Backflushing Guide: Daily and Weekly Routines
For any espresso enthusiast, the E61 group head is an icon of thermal stability and classic design. Owning a machine with this legendary component is a commitment to quality. However, to get the most out of your investment and pull consistently delicious shots, regular maintenance is not just recommended; it’s essential. The single most important […]











