Espresso Machine Diagram - How Semi-Automatic Coffee Makers Work #98022 (License: Personal Use)

This black-and-white technical illustration depicts a classic semi-automatic espresso machine, highlighting essential parts including the boiler, pressure gauge, steam wand, portafilter with filter basket, and drip tray. The drawing emphasizes functional design elements like the group head, water reservoir, and manual lever operation, making it ideal for educational or repair guides. Clean linework ensures clarity for both beginners and experienced baristas studying machine mechanics.

Used on coffee education sites, appliance manuals, DIY repair blogs, or e-commerce product pages to illustrate machine structure and operation; matches user intent for learning, troubleshooting, or comparing espresso equipment.