What are the operating temperature and humidity requirements for the HP LaserJet Pro 4004?
The printer requires an operating temperature between 10°C and 32.5°C, with a relative humidity of 30 to 70% RH. For storage, the temperature range is -20 to 40°C. Operating outside these conditions may affect printer performance. (Page 4)
From the official HP Laserjet Pro 4001 4004n DN DW D Printer manual, page 4
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