HP 3550 - Manual (Page 219)

Acoustic emissions (HP Color LaserJet 3700 series printer)
Sound power level Declared per ISO 9296
Printing (16 PPM) 1 L
WAd
= 6.4 Bels (A) [64 dB (A)]
Ready L
WAd
= 5.5 Bels (A) [55 dB (A)]
Sound pressure level: bystander position Declared per ISO 9296
Printing (16 PPM) 1 L
pAm
= 49 dB (A)
Ready L
pAm
= 39 dB (A)
1 The printing speed is 16 PPM for Letter size media and 16 PPM for A4 size media.
Acoustic emissions (HP Color LaserJet 3550 series printer) 1
Sound power level Declared per ISO 9296
Printing (16 PPM) 2 L
WAd
= 6.4 Bels (A) [64 dB (A)]
Ready L
WAd
= 4.9 Bels (A) [49 dB (A)]
Sound pressure level: bystander position Declared per ISO 9296
Printing (16 PPM) 2 L
pAm
= 49 dB (A)
Ready L
pAm
= 32 dB (A)
1 The HP Color LaserJet 3550 in the simplex print mode was used for testing.
2 The printing speed is 16 PPM for Letter size media and 16 PPM for A4 size media.
NOTE These values are subject to change. For current information, see http://www.hp.com/support/
clj3550 for the HP Color LaserJet 3550 series printer and http://www.hp.com/support/clj3700
for the HP Color LaserJet 3700 series printer.
Operating environment specifications
Environment Recommended Allowed
Temperature 17 to 25° C (62.6 to 77° F) 10 to 27° C (50 to 81° F)
Humidity 20 to 60% RH 10 to 70% RH
Altitude Not applicable 0 to 2600 m (0 to 8530 ft)
NOTE These values are subject to change. For current information, see http://www.hp.com/support/
clj3550 for the HP Color LaserJet 3550 series printer and http://www.hp.com/support/clj3700
for the HP Color LaserJet 3700 series printer.
ENWW Specifications information 207