HP 4550 Service Manual - Page 25

Consumable storage requirements The life of consumables is greatly affected by their storage environment. Use Table 1-5 to determine the shelf life of stored consumables. Table 1-5 Consumable storage requirements Item Storage time Storage condition Temperature Normal (maximum of 2.5 years) 0° to 35° C (32° to 95° F) Severe (maximum of 18 days) High 35° to 40° C (95° to 104° F) Low 0° to -20° C (32° to -4° F) Maximum temperature 40° to 15° C (104° to 59° F) within 3 minutes change rate -20° to 25° C (-4° to 77° F) within 3 minutes Humidity Normal (maximum of 2.5 years) 35% to 85% RH Severe (maximum of 18 days) High 85% to 95% RH Low 10% to 35% RH Atmospheric pressure 460 to 760 mm Hg (18.1 to 29.9 in Hg) Average storage time 1 year Printer specifications Table 1-6 describes the dimensions of the printer. Table 1-6 Printer dimensions HP Color LaserJet 4500, 4500N Height 395 mm (15.6 inches) Width 500 mm (19.7 inches) Depth 559 mm (22 inches) Weight 57 kg (125 lb) HP Color LaserJet 4500 DN 578 mm (22.8 inches) 500 mm (19.7 inches) 709 mm (27.9 inches) 75 kg (165 lb) HP Color LaserJet 4550, 4500N 395 mm (15.6 inches) 500 mm (19.7 inches) 559 mm (22 inches) 57 kg (125 lb) HP Color LaserJet 4550DN, 4550HDN 578 mm (22.8 inches) 500 mm (19.7 inches) 709 mm (27.9 inches) 75 kg (165 lb) Table 1-7 lists the acoustic emissions of the printer when it is printing and when it is in standby mode. Table 1-7 Acoustic emissions HP Color LaserJet 4500 Series Operating position Printing Standby Bystander 1m Printing Standby Sound power Printing Standby Per ISO 9296, DIN 45635, T.19 LPA 58 dB(A) LPA 49 dB(A) Per ISO 7779, DIN 45635, T.19 LPA 52 dB(A) LPA 45 dB(A) Per ISO 9296 LWAd = 6.6 bels(A) LWAd = 5.8 bels(A) HP Color LaserJet 4550 Series Per ISO 9296, DIN 45635, T.19 LPA 56 dB(A) LPA 48 dB(A) Per ISO 7779, DIN 45635, T.19 LPA 52 dB(A) LPA 44 dB(A) Per ISO 9296 LWAd = 6.7 bels(A) LWAd = 5.3 bels(A) C7085-90921 Chapter 1 Printer description 23