Environmental Conditions 22 Temperature/ Operating Humidity Storage 5 to 45°C {41 to 113°F}, 10 to 90% RH (See the operating temperature and humidity range below.) -10 to 50°C {14 to 122°F}, 10 to 90% RH (except for paper) [%RH] 90 34°C, 90% humidity 65 40°C, 65% 45°C, 50% Relative Operating environment range 10 5 34 40 45 [°C] Ambient temperature Acoustic noise (Operating) Approximately 65 dB (Bystander position) Note) The values above are measured in the Epson evaluation condition. The acoustic noise differs depending on the paper used, printing contents, and print speed. Operating environment range