HP Color LaserJet 9500 Multifunction Printer series - Manual (Page 123)

ENWW Fax product specifications 107
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Fax product specifications
Environmental specifications
Operating environment Temperature: 10°C to 32.5°C (50°F to 91°F)
Relative humidity: 20% to 80% (no condensation)
Storage environment Temperature: -20°C to 40°C (-4°F to 104°F)
Relative humidity: less than 95% (no condensation)
Fax specifications
Fax compatibility CCIT/ITU-T Group 3, EIA/TIA Class 1, Class 2.1
Phone connector RJ11
Compression methods MH, MR, MMR, and JBIG