you can eliminate the need for a switchbox by connecting each printer to a USB port
Oscar Tech 801/802
the Para 177 Reflector F Kit from Broncolor allows users to produce precise
Operating Temperature Min -40°C Voltage Rating X 330V Capacitor Terminals Radial Leaded Voltage Rating Y - Operating Temperature Max 110°C dv/dt Rating 400V/µs Product Range B32912 Series Automotive Qualification Standard - Capacitor Case Style - Suppression Class X1 Capacitance 0
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EPCOS B41858C5398M000 Electrolytic Capacitor, 3900 µF, 25 V, B41858 Series, ± 20%, Radial Leaded, 18 mm PermaJetUSA APJ24125 you can eliminate the needThis is a Electrolytic Capacitor, 3900 F, 25 V, B41858 Series, 20%, Radial Leaded, 18 mm product from EPCOS with the model number B41858C5398M000Product details Operating Temperature Min 55C Capacitor Terminals Radial Leaded Operating Temperature Max 105C Lifetime @ Temperature 5000 hours @ 105C Voltage Rating 25V Product Range B41858 Series Diameter 18mm Automotive Qualification Standard AEC Q200 ESR 0. 021ohm Capacitance 3900F Lead Spacing 7. 5mm