Epson WorkForce WF-7820 Users Guide - Page 376
Environmental Specifications, Interface Specifications, External USB Device Specifications
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Environmental Specifications Temperature Humidity (without condensation) Operating: 50 to 95 °F (10 to 35 °C) Storage (after initial ink charge): 5 to 104 °F (-15 to 40 °C) Storage (before initial ink charge): -4 to 104 °F (-20 to 40 °C) 1 month at 104 °F (40 °C) Operating: 20 to 80% RH Storage: 5 to 85% RH Parent topic: Technical Specifications Interface Specifications Interface type Hi-Speed USB (Device Class for computers)* Hi-Speed USB (for Mass storage class for external storage) *: USB 3.0 cables are not supported. Note: Epson cannot guarantee the operation of externally connected devices. Parent topic: Technical Specifications External USB Device Specifications Do not use devices with the following requirements: • Dedicated driver • Security settings, such as password or encryption, etc. • Built-in USB hub Note: Use only external storage devices with independent AC power sources. External storage devices that are powered via USB are not recommended. Epson cannot guarantee the operation of externally connected devices. 376
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